chamilo / chamilo-lms

main/inc/lib/glossary.lib.php

Doc Comments +6 added lines, -1 removed lines

@@ -86,7 +86,7 @@ 
      * This functions stores the glossary in the database
      *
      * @param array    Array of title + description (glossary_title => $title, glossary_comment => $comment)
-     * @return mixed   Term id on success, false on failure
+     * @return false|string   Term id on success, false on failure
      * @author Christian Fasanando <christian.fasanando@dokeos.com>
      * @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
      * @version januari 2009, dokeos 1.8.6
@@ -443,6 +443,10 @@ 
      * @param integer Number of items to collect
      * @param string  Name of column on which to order
      * @param string  Whether to sort in ascending (ASC) or descending (DESC)
+     * @param integer $from
+     * @param integer $number_of_items
+     * @param integer $column
+     * @param string $direction
      * @return unknown
      *
      * @author Patrick Cool <patrick.cool@ugent.be>
@@ -520,6 +524,7 @@ 
      * @param integer $glossary_id
      * @param array   Parameters to use to affect links
      * @param array   The line of results from a query on the glossary table
+     * @param string $url_params
      * @return string HTML string for the action icons columns
      *
      * @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium

Spacing +34 added lines, -34 removed lines

@@ -39,13 +39,13 @@ 
      * @param int $glossary_id
      * @return string The glossary description
      */
-    public static function get_glossary_term_by_glossary_id ($glossary_id)
+    public static function get_glossary_term_by_glossary_id($glossary_id)
     {
-        $glossary_table  = Database::get_course_table(TABLE_GLOSSARY);
+        $glossary_table = Database::get_course_table(TABLE_GLOSSARY);
         $course_id = api_get_course_int_id();
         $sql = "SELECT description FROM $glossary_table
                 WHERE c_id = $course_id  AND glossary_id =".intval($glossary_id);
-        $rs=Database::query($sql);
+        $rs = Database::query($sql);
         if (Database::num_rows($rs) > 0) {
             $row = Database::fetch_array($rs);
 
@@ -61,9 +61,9 @@ 
      * @param string The glossary term name
      * @return string The glossary description
      */
-    public static function get_glossary_term_by_glossary_name ($glossary_name)
+    public static function get_glossary_term_by_glossary_name($glossary_name)
     {
-        $glossary_table  = Database::get_course_table(TABLE_GLOSSARY);
+        $glossary_table = Database::get_course_table(TABLE_GLOSSARY);
         $session_id = api_get_session_id();
         $course_id = api_get_course_int_id();
         $sql_filter = api_get_session_condition($session_id);
@@ -163,7 +163,7 @@ 
         $course_id = api_get_course_int_id();
 
         // check if the glossary term already exists
-        if (GlossaryManager::glossary_exists($values['glossary_title'],$values['glossary_id'])) {
+        if (GlossaryManager::glossary_exists($values['glossary_title'], $values['glossary_id'])) {
             // display the feedback message
             if ($message)
                 Display::display_error_message(get_lang('GlossaryTermAlreadyExistsYouShouldEditIt'));
@@ -210,7 +210,7 @@ 
         $get_max = "SELECT MAX(display_order) FROM $t_glossary
                     WHERE c_id = $course_id ";
         $res_max = Database::query($get_max);
-        if (Database::num_rows($res_max)==0) {
+        if (Database::num_rows($res_max) == 0) {
             return 0;
         }
         $row = Database::fetch_array($res_max);
@@ -231,7 +231,7 @@ 
      * @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
      * @version januari 2009, dokeos 1.8.6
      */
-    public static function glossary_exists($term, $not_id='')
+    public static function glossary_exists($term, $not_id = '')
     {
         // Database table definition
         $t_glossary = Database :: get_course_table(TABLE_GLOSSARY);
@@ -241,7 +241,7 @@ 
                 WHERE
                     c_id = $course_id AND
                     name = '".Database::escape_string($term)."'";
-        if ($not_id<>'') {
+        if ($not_id <> '') {
             $sql .= " AND glossary_id <> '".intval($not_id)."'";
         }
         $result = Database::query($sql);
@@ -347,27 +347,27 @@ 
         // action links
         echo '<div class="actions">';
 
-        if (api_is_allowed_to_edit(null,true)) {
+        if (api_is_allowed_to_edit(null, true)) {
             echo '<a href="index.php?'.api_get_cidreq().'&action=addglossary&msg=add?'.api_get_cidreq().'">'.
-                Display::return_icon('new_glossary_term.png',get_lang('TermAddNew'),'', ICON_SIZE_MEDIUM).'</a>';
+                Display::return_icon('new_glossary_term.png', get_lang('TermAddNew'), '', ICON_SIZE_MEDIUM).'</a>';
         }
 
         echo '<a href="index.php?'.api_get_cidreq().'&action=export">'.
-            Display::return_icon('export_csv.png',get_lang('ExportGlossaryAsCSV'),'',ICON_SIZE_MEDIUM).'</a>';
-        if (api_is_allowed_to_edit(null,true)) {
+            Display::return_icon('export_csv.png', get_lang('ExportGlossaryAsCSV'), '', ICON_SIZE_MEDIUM).'</a>';
+        if (api_is_allowed_to_edit(null, true)) {
             echo '<a href="index.php?'.api_get_cidreq().'&action=import">'.
-                Display::return_icon('import_csv.png',get_lang('ImportGlossary'),'',ICON_SIZE_MEDIUM).'</a>';
+                Display::return_icon('import_csv.png', get_lang('ImportGlossary'), '', ICON_SIZE_MEDIUM).'</a>';
         }
 
         echo '<a href="index.php?'.api_get_cidreq().'&action=export_to_pdf">'.
-            Display::return_icon('pdf.png',get_lang('ExportToPDF'),'', ICON_SIZE_MEDIUM).'</a>';
+            Display::return_icon('pdf.png', get_lang('ExportToPDF'), '', ICON_SIZE_MEDIUM).'</a>';
 
-        if ((isset($_SESSION['glossary_view']) && $_SESSION['glossary_view'] == 'table') or (!isset($_SESSION['glossary_view']))){
+        if ((isset($_SESSION['glossary_view']) && $_SESSION['glossary_view'] == 'table') or (!isset($_SESSION['glossary_view']))) {
             echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=list">'.
-                Display::return_icon('view_detailed.png',get_lang('ListView'),'',ICON_SIZE_MEDIUM).'</a>';
+                Display::return_icon('view_detailed.png', get_lang('ListView'), '', ICON_SIZE_MEDIUM).'</a>';
         } else {
             echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=table">'.
-                Display::return_icon('view_text.png',get_lang('TableView'),'',ICON_SIZE_MEDIUM).'</a>';
+                Display::return_icon('view_text.png', get_lang('TableView'), '', ICON_SIZE_MEDIUM).'</a>';
         }
         echo '</div>';
         if (!$_SESSION['glossary_view'] || $_SESSION['glossary_view'] == 'table') {
@@ -380,9 +380,9 @@ 
             //$table->set_header(0, '', false);
             $table->set_header(0, get_lang('TermName'), true);
             $table->set_header(1, get_lang('TermDefinition'), true);
-            if (api_is_allowed_to_edit(null,true)) {
+            if (api_is_allowed_to_edit(null, true)) {
                 $table->set_header(2, get_lang('Actions'), false, 'width=90px', array('class' => 'td_actions'));
-                $table->set_column_filter(2, array('GlossaryManager','actions_filter'));
+                $table->set_column_filter(2, array('GlossaryManager', 'actions_filter'));
             }
             $table->display();
         }
@@ -399,11 +399,11 @@ 
      */
     public static function display_glossary_list()
     {
-        $glossary_data = self::get_glossary_data(0,1000,0,'ASC');
+        $glossary_data = self::get_glossary_data(0, 1000, 0, 'ASC');
         foreach ($glossary_data as $key => $glossary_item) {
             $actions = '';
-            if (api_is_allowed_to_edit(null,true)) {
-                $actions = '<div class="pull-right">'.self::actions_filter($glossary_item[2], '',$glossary_item).'</div>';
+            if (api_is_allowed_to_edit(null, true)) {
+                $actions = '<div class="pull-right">'.self::actions_filter($glossary_item[2], '', $glossary_item).'</div>';
             }
             echo Display::panel($glossary_item[1], $glossary_item[0].' '.$actions);
         }
@@ -418,7 +418,7 @@ 
      * @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
      * @version januari 2009, dokeos 1.8.6
      */
-    public static  function get_number_glossary_terms($session_id=0)
+    public static  function get_number_glossary_terms($session_id = 0)
     {
         // Database table definition
         $t_glossary = Database :: get_course_table(TABLE_GLOSSARY);
@@ -456,7 +456,7 @@ 
         $t_glossary = Database :: get_course_table(TABLE_GLOSSARY);
         $t_item_propery = Database :: get_course_table(TABLE_ITEM_PROPERTY);
 
-        if (api_is_allowed_to_edit(null,true)) {
+        if (api_is_allowed_to_edit(null, true)) {
             $col2 = " glossary.glossary_id	as col2, ";
         } else {
             $col2 = " ";
@@ -471,8 +471,8 @@ 
             'glossary.session_id'
         );
         $column = intval($column);
-        if (!in_array($direction,array('DESC', 'ASC'))) {
-            $direction          = 'ASC';
+        if (!in_array($direction, array('DESC', 'ASC'))) {
+            $direction = 'ASC';
         }
         $from = intval($from);
         $number_of_items = intval($number_of_items);
@@ -497,15 +497,15 @@ 
         while ($data = Database::fetch_array($res)) {
             // Validation when belongs to a session
             $session_img = api_get_session_image($data['session_id'], $_user['status']);
-            $array[0] = $data[0] . $session_img;
+            $array[0] = $data[0].$session_img;
 
             if (!$_SESSION['glossary_view'] || $_SESSION['glossary_view'] == 'table') {
-                $array[1] = str_replace(array('<p>','</p>'),array('','<br />'),$data[1]);
+                $array[1] = str_replace(array('<p>', '</p>'), array('', '<br />'), $data[1]);
             } else {
                 $array[1] = $data[1];
             }
 
-            if (api_is_allowed_to_edit(null,true)) {
+            if (api_is_allowed_to_edit(null, true)) {
                 $array[2] = $data[2];
             }
             $return[] = $array;
@@ -528,14 +528,14 @@ 
     public static function actions_filter($glossary_id, $url_params, $row)
     {
         $glossary_id = $row[2];
-        $return = '<a href="'.api_get_self().'?action=edit_glossary&amp;glossary_id='.$glossary_id.'&'.api_get_cidreq().'&msg=edit">'.Display::return_icon('edit.png',get_lang('Edit'),'',22).'</a>';
+        $return = '<a href="'.api_get_self().'?action=edit_glossary&amp;glossary_id='.$glossary_id.'&'.api_get_cidreq().'&msg=edit">'.Display::return_icon('edit.png', get_lang('Edit'), '', 22).'</a>';
         $glossary_data = GlossaryManager::get_glossary_information($glossary_id);
 
         $glossary_term = $glossary_data['glossary_title'];
 
         if (api_is_allowed_to_edit(null, true)) {
             if ($glossary_data['session_id'] == api_get_session_id()) {
-                $return .= '<a href="'.api_get_self().'?action=delete_glossary&amp;glossary_id='.$glossary_id.'&'.api_get_cidreq().'" onclick="return confirmation(\''.$glossary_term.'\');">'.Display::return_icon('delete.png', get_lang('Delete'),'',22).'</a>';
+                $return .= '<a href="'.api_get_self().'?action=delete_glossary&amp;glossary_id='.$glossary_id.'&'.api_get_cidreq().'" onclick="return confirmation(\''.$glossary_term.'\');">'.Display::return_icon('delete.png', get_lang('Delete'), '', 22).'</a>';
             } else {
                 $return  = get_lang('EditionNotAvailableFromSession');
             }
@@ -556,7 +556,7 @@ 
     {
         return "<script type=\"text/javascript\">
 				function confirmation (name) {
-					if (confirm(\" ". get_lang("TermConfirmDelete") ." \"+ name + \" ?\"))
+					if (confirm(\" ". get_lang("TermConfirmDelete")." \"+ name + \" ?\"))
 						{return true;}
 					else
 						{return false;}
@@ -616,7 +616,7 @@ 
         $res = Database::query($sql);
         $found = false;
         while ($row = Database::fetch_array($res)) {
-            if ($found && empty($next_id))	{
+            if ($found && empty($next_id)) {
                 $next_id = $row['glossary_id'];
                 $next_display_order = $row['display_order'];
             }

Braces +15 added lines, -10 removed lines

@@ -108,8 +108,9 @@ 
         // check if the glossary term already exists
         if (GlossaryManager::glossary_exists($values['glossary_title'])) {
             // display the feedback message
-            if ($message)
-                Display::display_error_message(get_lang('GlossaryTermAlreadyExistsYouShouldEditIt'));
+            if ($message) {
+                            Display::display_error_message(get_lang('GlossaryTermAlreadyExistsYouShouldEditIt'));
+            }
             return false;
         } else {
 
@@ -165,8 +166,9 @@ 
         // check if the glossary term already exists
         if (GlossaryManager::glossary_exists($values['glossary_title'],$values['glossary_id'])) {
             // display the feedback message
-            if ($message)
-                Display::display_error_message(get_lang('GlossaryTermAlreadyExistsYouShouldEditIt'));
+            if ($message) {
+                            Display::display_error_message(get_lang('GlossaryTermAlreadyExistsYouShouldEditIt'));
+            }
             return false;
         } else {
             $sql = "UPDATE $t_glossary SET
@@ -188,8 +190,9 @@ 
                 api_get_user_id()
             );
             // display the feedback message
-            if ($message)
-                Display::display_confirmation_message(get_lang('TermUpdated'));
+            if ($message) {
+                            Display::display_confirmation_message(get_lang('TermUpdated'));
+            }
         }
 
         return true;
@@ -323,8 +326,9 @@ 
         // reorder the remaining terms
         GlossaryManager::reorder_glossary();
         $_SESSION['max_glossary_display'] = GlossaryManager::get_max_glossary_item();
-        if ($message)
-            Display::display_confirmation_message(get_lang('TermDeleted'));
+        if ($message) {
+                    Display::display_confirmation_message(get_lang('TermDeleted'));
+        }
         return true;
     }
 
@@ -633,8 +637,9 @@ 
                  WHERE c_id = $course_id  AND glossary_id = '".Database::escape_string($next_id)."'";
         Database::query($sql1);
         Database::query($sql2);
-        if ($message)
-            Display::display_confirmation_message(get_lang('TermMoved'));
+        if ($message) {
+                    Display::display_confirmation_message(get_lang('TermMoved'));
+        }
     }
 
     /**

main/inc/lib/grade_model.lib.php

Doc Comments +3 added lines

@@ -248,6 +248,9 @@
 	    //event_system(LOG_CAREER_DELETE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
     }
 
+    /**
+     * @param CatForm $form
+     */
     public function fill_grade_model_select_in_form(&$form, $name = 'gradebook_model_id', $default_value = null)
     {
         if (api_get_setting('gradebook_enable_grade_model') == 'false') {

Indentation +17 added lines, -17 removed lines

@@ -50,15 +50,15 @@ 
     /**
      * Displays the title + grid
      */
-	public function display()
+    public function display()
     {
-		// action links
-		echo '<div class="actions" style="margin-bottom:20px">';
+        // action links
+        echo '<div class="actions" style="margin-bottom:20px">';
         echo '<a href="grade_models.php">'.Display::return_icon('back.png',get_lang('Back'),'','32').'</a>';
-		echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png',get_lang('Add'),'','32').'</a>';
-		echo '</div>';
+        echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png',get_lang('Add'),'','32').'</a>';
+        echo '</div>';
         echo Display::grid_html('grade_model');
-	}
+    }
 
     /**
      * Returns a Form validator Obj
@@ -115,7 +115,7 @@ 
         }
 
         $form->addElement('hidden', 'maxvalue', '100');
-		$form->addElement('hidden', 'minvalue', '0');
+        $form->addElement('hidden', 'minvalue', '0');
         $renderer = & $form->defaultRenderer();
 
         $component_array = array();
@@ -127,7 +127,7 @@ 
             $form->addElement('text', 'components['.$i.'][title]',      null);
             $form->addElement('hidden', 'components['.$i.'][id]',       null);
 
-             $template_percentage =
+                $template_percentage =
             '<div id=' . $i . ' style="display: '.(($i<=$nr_items)?'inline':'none').';" class="control-group">
                 <p>
                 <label class="control-label">{label}</label>
@@ -192,7 +192,7 @@ 
         // Setting the rules
         $form->addRule('name', get_lang('ThisFieldIsRequired'), 'required');
 
-		return $form;
+        return $form;
     }
 
     public function get_components($id)
@@ -206,8 +206,8 @@ 
 
     public function save($params, $show_query = false)
     {
-	    $id = parent::save($params, $show_query);
-	    if (!empty($id)) {
+        $id = parent::save($params, $show_query);
+        if (!empty($id)) {
             foreach ($params['components'] as $component) {
                 if (!empty($component['title']) && !empty($component['percentage']) && !empty($component['acronym'])) {
                     $obj = new GradeModelComponents();
@@ -218,7 +218,7 @@ 
         }
 
         //event_system(LOG_CAREER_CREATE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
-   		return $id;
+            return $id;
     }
 
     /**
@@ -244,8 +244,8 @@ 
 
     public function delete($id)
     {
-	    parent::delete($id);
-	    //event_system(LOG_CAREER_DELETE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
+        parent::delete($id);
+        //event_system(LOG_CAREER_DELETE, LOG_CAREER_ID, $id, api_get_utc_datetime(), api_get_user_id());
     }
 
     public function fill_grade_model_select_in_form(&$form, $name = 'gradebook_model_id', $default_value = null)
@@ -290,14 +290,14 @@ 
     public $table;
     public $columns = array('id', 'title', 'percentage', 'acronym', 'grade_model_id');
 
-	public function __construct()
+    public function __construct()
     {
         $this->table =  Database::get_main_table(TABLE_GRADE_MODEL_COMPONENTS);
-	}
+    }
 
     public function save($params, $show_query = false)
     {
-	    $id = parent::save($params, $show_query);
+        $id = parent::save($params, $show_query);
         return $id;
     }
 }

Spacing +13 added lines, -13 removed lines

@@ -15,7 +15,7 @@ 
      */
     public function __construct()
     {
-        $this->table =  Database::get_main_table(TABLE_GRADE_MODEL);
+        $this->table = Database::get_main_table(TABLE_GRADE_MODEL);
     }
 
     /**
@@ -54,8 +54,8 @@ 
     {
 		// action links
 		echo '<div class="actions" style="margin-bottom:20px">';
-        echo '<a href="grade_models.php">'.Display::return_icon('back.png',get_lang('Back'),'','32').'</a>';
-		echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png',get_lang('Add'),'','32').'</a>';
+        echo '<a href="grade_models.php">'.Display::return_icon('back.png', get_lang('Back'), '', '32').'</a>';
+		echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('add.png', get_lang('Add'), '', '32').'</a>';
 		echo '</div>';
         echo Display::grid_html('grade_model');
 	}
@@ -110,7 +110,7 @@ 
 
         if ($action == 'edit') {
             if (!empty($components)) {
-                $nr_items = count($components) -1;
+                $nr_items = count($components) - 1;
             }
         }
 
@@ -123,12 +123,12 @@ 
         for ($i = 0; $i <= $max; $i++) {
             $counter = $i;
             $form->addElement('text', 'components['.$i.'][percentage]', null);
-            $form->addElement('text', 'components['.$i.'][acronym]',    null);
-            $form->addElement('text', 'components['.$i.'][title]',      null);
-            $form->addElement('hidden', 'components['.$i.'][id]',       null);
+            $form->addElement('text', 'components['.$i.'][acronym]', null);
+            $form->addElement('text', 'components['.$i.'][title]', null);
+            $form->addElement('hidden', 'components['.$i.'][id]', null);
 
              $template_percentage =
-            '<div id=' . $i . ' style="display: '.(($i<=$nr_items)?'inline':'none').';" class="control-group">
+            '<div id='.$i.' style="display: '.(($i <= $nr_items) ? 'inline' : 'none').';" class="control-group">
                 <p>
                 <label class="control-label">{label}</label>
                 <div class="controls">
@@ -141,11 +141,11 @@ 
 
             $template_title =
             '&nbsp{element} <!-- BEGIN error --> <span class="form_error">{error}</span><!-- END error -->
-             <a href="javascript:plusItem(' . ($counter+1) . ')">
-                <img style="display: '.(($counter>=$nr_items)?'inline':'none').';" id="plus-' . ($counter+1) . '" src="'.Display::return_icon('add.png').'" alt="'.get_lang('Add').'" title="'.get_lang('Add').'">
+             <a href="javascript:plusItem(' . ($counter + 1).')">
+                <img style="display: '.(($counter >= $nr_items) ? 'inline' : 'none').';" id="plus-'.($counter + 1).'" src="'.Display::return_icon('add.png').'" alt="'.get_lang('Add').'" title="'.get_lang('Add').'">
             </a>
-            <a href="javascript:minItem(' . ($counter) . ')">
-                <img style="display: '.(($counter>=$nr_items)?'inline':'none').';" id="min-' . $counter . '" src="'.Display::return_icon('delete.png').'" alt="'.get_lang('Delete').'" title="'.get_lang('Delete').'">
+            <a href="javascript:minItem(' . ($counter).')">
+                <img style="display: '.(($counter >= $nr_items) ? 'inline' : 'none').';" id="min-'.$counter.'" src="'.Display::return_icon('delete.png').'" alt="'.get_lang('Delete').'" title="'.get_lang('Delete').'">
             </a>
             </div></p></div>';
 
@@ -292,7 +292,7 @@ 
 
 	public function __construct()
     {
-        $this->table =  Database::get_main_table(TABLE_GRADE_MODEL_COMPONENTS);
+        $this->table = Database::get_main_table(TABLE_GRADE_MODEL_COMPONENTS);
 	}
 
     public function save($params, $show_query = false)

main/inc/lib/group_portal_manager.lib.php

Doc Comments +10 added lines, -6 removed lines

@@ -21,7 +21,7 @@ 
      * @param	int		$visibility is active or not
      * @param   string  $picture
      *
-     * @return boolean if success
+     * @return string|false if success
      */
     public static function add($name, $description, $url, $visibility, $picture = '')
     {
@@ -57,7 +57,7 @@ 
      * @param int $visibility
      * @param string $picture_uri
      * @param bool $allowMemberGroupToLeave
-     * @return bool if success
+     * @return Statement|null if success
      */
     public static function update($group_id, $name, $description, $url, $visibility, $picture_uri, $allowMemberGroupToLeave = null)
     {
@@ -87,7 +87,7 @@ 
      * Deletes a group
      * @author Julio Montoya
      * @param int $id
-     * @return boolean true if success
+     * @return Statement|null true if success
      * */
     public static function delete($id)
     {
@@ -175,7 +175,7 @@ 
      * @param int $group_id
      * @param int $parent_group_id if 0, we delete the parent_group association
      * @param int $relation_type
-     * @return resource
+     * @return Statement|null
      **/
     public static function set_parent_group($group_id, $parent_group_id, $relation_type = 1)
     {
@@ -652,6 +652,7 @@ 
      * @author Julio Montoya
      * @param  int user_id
      * @param  int url_id
+     * @param integer $relation_type
      * @return boolean true if success
      **/
     public static function add_user_to_group($user_id, $group_id, $relation_type = GROUP_USER_PERMISSION_READER)
@@ -735,7 +736,7 @@ 
      * @author Julio Montoya
      * @param int $group_id
      * @param int $relation_type (optional)
-     * @return boolean true if success
+     * @return Statement|null true if success
      * */
     public static function delete_users($group_id, $relation_type = null)
     {
@@ -916,6 +917,7 @@ 
      * If an empty name is provided, then old user photos are deleted only, @see UserManager::delete_user_picture()
      * as the prefered way for deletion.
      * @param	string		$source_file The full system name of the image from which user photos will be created.
+     * @param integer $group_id
      * @return	string/bool	Returns the resulting file name of created images which usually should be stored in DB.
      * When deletion is recuested returns empty string. In case of internal error or negative validation returns FALSE.
      */
@@ -1074,7 +1076,9 @@ 
      *
      * @param  string file picture
      * @param  int size in pixels
-     * @return obj image object
+     * @param string|null $file
+     * @param integer $max_size_for_picture
+     * @return Image image object
      */
     public static function resize_picture($file, $max_size_for_picture)
     {

Indentation +14 added lines, -14 removed lines

@@ -1335,27 +1335,27 @@
     public static function get_groups_by_user_count($user_id = null, $relation_type = GROUP_USER_PERMISSION_READER, $with_image = false)
     {
         $table_group_rel_user	= Database::get_main_table(TABLE_MAIN_USER_REL_GROUP);
-		$tbl_group				= Database::get_main_table(TABLE_MAIN_GROUP);
-		$user_id = intval($user_id);
+        $tbl_group				= Database::get_main_table(TABLE_MAIN_GROUP);
+        $user_id = intval($user_id);
 
-		if ($relation_type == 0) {
-			$where_relation_condition = '';
-		} else {
-			$relation_type 			= intval($relation_type);
-			$where_relation_condition = "AND gu.relation_type = $relation_type ";
-		}
+        if ($relation_type == 0) {
+            $where_relation_condition = '';
+        } else {
+            $relation_type 			= intval($relation_type);
+            $where_relation_condition = "AND gu.relation_type = $relation_type ";
+        }
 
-		$sql = "SELECT count(g.id) as count
+        $sql = "SELECT count(g.id) as count
 				FROM $tbl_group g
 				INNER JOIN $table_group_rel_user gu
 				ON gu.group_id = g.id WHERE gu.user_id = $user_id $where_relation_condition ";
 
-		$result = Database::query($sql);
-		if (Database::num_rows($result) > 0) {
-			$row = Database::fetch_array($result, 'ASSOC');
+        $result = Database::query($sql);
+        if (Database::num_rows($result) > 0) {
+            $row = Database::fetch_array($result, 'ASSOC');
             return $row['count'];
-		}
-		return 0;
+        }
+        return 0;
     }
 
     /**

Spacing +5 added lines, -5 removed lines

@@ -331,7 +331,7 @@ 
             if ($i == $max_level) {
                 $select_part .= "rg$rg_number.group_id as id_$rg_number ";
             } else {
-                $select_part .="rg$rg_number.group_id as id_$rg_number, ";
+                $select_part .= "rg$rg_number.group_id as id_$rg_number, ";
             }
             if ($i == 1) {
                 $cond_part .= "FROM $t_rel_group rg0 LEFT JOIN $t_rel_group rg$i on rg$rg_number.group_id = rg$i.subgroup_id ";
@@ -1334,14 +1334,14 @@ 
      */
     public static function get_groups_by_user_count($user_id = null, $relation_type = GROUP_USER_PERMISSION_READER, $with_image = false)
     {
-        $table_group_rel_user	= Database::get_main_table(TABLE_MAIN_USER_REL_GROUP);
-		$tbl_group				= Database::get_main_table(TABLE_MAIN_GROUP);
+        $table_group_rel_user = Database::get_main_table(TABLE_MAIN_USER_REL_GROUP);
+		$tbl_group = Database::get_main_table(TABLE_MAIN_GROUP);
 		$user_id = intval($user_id);
 
 		if ($relation_type == 0) {
 			$where_relation_condition = '';
 		} else {
-			$relation_type 			= intval($relation_type);
+			$relation_type = intval($relation_type);
 			$where_relation_condition = "AND gu.relation_type = $relation_type ";
 		}
 
@@ -1394,7 +1394,7 @@ 
 
         // Picture
         $form->addElement('file', 'picture', get_lang('AddPicture'));
-        $allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif');
+        $allowed_picture_types = array('jpg', 'jpeg', 'png', 'gif');
         $form->addRule('picture', get_lang('OnlyImagesAllowed').' ('.implode(',', $allowed_picture_types).')', 'filetype', $allowed_picture_types);
 
         if (!empty($groupData)) {

Braces +6 added lines, -4 removed lines

@@ -563,8 +563,9 @@ 
                 $new_relation_type[] = "'$rel'";
             }
             $relation_type = implode(',', $new_relation_type);
-            if (!empty($relation_type))
-                $where_relation_condition = "AND gu.relation_type IN ($relation_type) ";
+            if (!empty($relation_type)) {
+                            $where_relation_condition = "AND gu.relation_type IN ($relation_type) ";
+            }
         }
 
         $sql = "SELECT
@@ -1086,8 +1087,9 @@ 
                 $thumbwidth = $max_size_for_picture;
             }
             $new_height = round(($thumbwidth / $picture_infos['width']) * $picture_infos['height']);
-            if ($new_height > $max_size_for_picture)
-                $new_height = $thumbwidth;
+            if ($new_height > $max_size_for_picture) {
+                            $new_height = $thumbwidth;
+            }
             $temp->resize($thumbwidth, $new_height, 0);
         }
 

main/inc/lib/groupmanager.lib.php

Doc Comments +13 added lines, -10 removed lines

@@ -369,7 +369,7 @@ 
      * @author Christophe Gesche <christophe.gesche@claroline.net>
      * @author Hugues Peeters <hugues.peeters@claroline.net>
      * @author Bart Mollet
-     * @param  mixed  $groupIdList - group(s) to delete. It can be a single id
+     * @param  mixed  $group_ids - group(s) to delete. It can be a single id
      *                                (int) or a list of id (array).
      * @param string $course_code Default is current course
      * @return integer              - number of groups deleted.
@@ -573,7 +573,7 @@ 
      * @param bool      Whether self registration is allowed or not
      * @param bool      Whether self unregistration is allowed or not
      * @param int       $categoryId
-     * @return bool     TRUE if properties are successfully changed, false otherwise
+     * @return Statement|null     TRUE if properties are successfully changed, false otherwise
      */
     public static function set_group_properties(
         $group_id,
@@ -724,7 +724,7 @@ 
      * @param int $group_id The id of the group
      * @param string $course_code The course in which the group is (default =
      * current course)
-     * @return array The category
+     * @return integer The category
      */
     public static function get_category_from_group($group_id, $course_code = null)
     {
@@ -786,9 +786,9 @@ 
      * Create group category
      * @param string $title The title of the new category
      * @param string $description The description of the new category
-     * @param bool $self_registration_allowed
-     * @param bool $self_unregistration_allowed
-     * @param int $max_number_of_students
+     * @param integer $self_registration_allowed
+     * @param integer $self_unregistration_allowed
+     * @param int $maximum_number_of_students
      * @param int $groups_per_user
      */
     public static function create_category(
@@ -994,6 +994,8 @@ 
      * @param int $limit
      * @param bool $getCount
      * @param int $courseId
+     * @param string $column
+     * @param string $direction
      * @return array list of user id
      */
     public static function get_users(
@@ -1172,7 +1174,7 @@ 
      *         Hugues Peeters     <hugues.peeters@claroline.net> - original version
      * @author Roan Embrechts - virtual course support, code cleaning
      * @author Bart Mollet - code cleaning, use other GroupManager-functions
-     * @return void
+     * @return false|null
      */
     public static function fill_groups($group_ids)
     {
@@ -1625,7 +1627,7 @@ 
      * Unsubscribe user(s) from a specified group in current course
      * @param mixed $user_ids Can be an array with user-id's or a single user-id
      * @param int $group_id
-     * @return bool TRUE if successful
+     * @return boolean|null TRUE if successful
      */
     public static function unsubscribe_users($user_ids, $group_id)
     {
@@ -1644,7 +1646,7 @@ 
 
     /**
      * Unsubscribe all users from one or more groups
-     * @param mixed $group_id Can be an array with group-id's or a single group-id
+     * @param mixed $group_ids Can be an array with group-id's or a single group-id
      * @return bool TRUE if successful
      */
     public static function unsubscribe_all_users($group_ids)
@@ -1676,7 +1678,7 @@ 
 
     /**
      * Unsubscribe all tutors from one or more groups
-     * @param mixed $group_id Can be an array with group-id's or a single group-id
+     * @param mixed $group_ids Can be an array with group-id's or a single group-id
      * @see unsubscribe_all_users. This function is almost an exact copy of that function.
      * @return bool TRUE if successful
      * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
@@ -1861,6 +1863,7 @@ 
      *
      * @param $user_array_in list of users (must be sorted).
      * @param string $compare_field, the field to be compared
+     * @param string $compare_field
      */
     public static function filter_duplicates($user_array_in, $compare_field)
     {

Spacing +40 added lines, -40 removed lines

@@ -221,8 +221,8 @@ 
             $sql = "UPDATE $table_group SET id = iid WHERE iid = $lastId";
             Database::query($sql);
 
-            $desired_dir_name= '/'.api_replace_dangerous_char($name).'_groupdocs';
-            $my_path = api_get_path(SYS_COURSE_PATH) . $currentCourseRepository . '/document';
+            $desired_dir_name = '/'.api_replace_dangerous_char($name).'_groupdocs';
+            $my_path = api_get_path(SYS_COURSE_PATH).$currentCourseRepository.'/document';
 
             $newFolderData = create_unexisting_directory(
                 $_course,
@@ -285,11 +285,11 @@ 
                 $values['default_view_type_group']['default_view_type'] = api_get_setting('default_forum_view');
                 $values['group_forum'] = $lastId;
                 if ($forumState == '1') {
-                    $values['public_private_group_forum_group']['public_private_group_forum']='public';
+                    $values['public_private_group_forum_group']['public_private_group_forum'] = 'public';
                 } elseif ($forumState == '2') {
-                    $values['public_private_group_forum_group']['public_private_group_forum']='private';
+                    $values['public_private_group_forum_group']['public_private_group_forum'] = 'private';
                 } elseif ($forumState == '0') {
-                    $values['public_private_group_forum_group']['public_private_group_forum']='unavailable';
+                    $values['public_private_group_forum_group']['public_private_group_forum'] = 'unavailable';
                 }
                 store_forum($values);
             }
@@ -320,9 +320,9 @@ 
             1
         );
         $users = self::get_users($group_id);
-        $group_ids = array ();
+        $group_ids = array();
 
-        for ($group_nr = 1; $group_nr <= $number_of_groups; $group_nr ++) {
+        for ($group_nr = 1; $group_nr <= $number_of_groups; $group_nr++) {
             $group_ids[] = self::create_group(
                 get_lang('Subgroup').' '.$group_nr,
                 $category_id,
@@ -366,7 +366,7 @@ 
                 0,
                 count($users_ids)
             );
-            self::subscribe_users($users_ids,$group_id);
+            self::subscribe_users($users_ids, $group_id);
             $group_ids[] = $group_id;
         }
         return $group_ids;
@@ -391,14 +391,14 @@ 
         $group_table = Database:: get_course_table(TABLE_GROUP);
         $forum_table = Database:: get_course_table(TABLE_FORUM);
 
-        $group_ids = is_array($group_ids) ? $group_ids : array ($group_ids);
-        $group_ids = array_map('intval',$group_ids);
+        $group_ids = is_array($group_ids) ? $group_ids : array($group_ids);
+        $group_ids = array_map('intval', $group_ids);
 
         if (api_is_course_coach()) {
             //a coach can only delete courses from his session
-            for ($i=0 ; $i<count($group_ids) ; $i++) {
-                if (!api_is_element_in_the_session(TOOL_GROUP,$group_ids[$i])) {
-                    array_splice($group_ids,$i,1);
+            for ($i = 0; $i < count($group_ids); $i++) {
+                if (!api_is_element_in_the_session(TOOL_GROUP, $group_ids[$i])) {
+                    array_splice($group_ids, $i, 1);
                     $i--;
                 }
             }
@@ -633,7 +633,7 @@ 
         } elseif ($forum_state === 0) {
             $sql2 .= " forum_group_public_private='unavailable' ";
         }
-        $sql2 .=" WHERE c_id = $course_id AND forum_of_group=".$group_id;
+        $sql2 .= " WHERE c_id = $course_id AND forum_of_group=".$group_id;
         Database::query($sql2);
         return $result;
     }
@@ -662,13 +662,13 @@ 
     public static function get_categories($course_code = null)
     {
         $course_info = api_get_course_info($course_code);
-        $course_id     = $course_info['real_id'];
+        $course_id = $course_info['real_id'];
         $table_group_cat = Database :: get_course_table(TABLE_GROUP_CATEGORY);
         $sql = "SELECT * FROM $table_group_cat
                 WHERE c_id = $course_id
                 ORDER BY display_order";
         $res = Database::query($sql);
-        $cats = array ();
+        $cats = array();
         while ($cat = Database::fetch_array($res)) {
             $cats[] = $cat;
         }
@@ -779,7 +779,7 @@ 
                 WHERE c_id = $course_id AND category_id='".$cat_id."'";
         $res = Database::query($sql);
         if (Database::num_rows($res) > 0) {
-            $groups_to_delete = array ();
+            $groups_to_delete = array();
             while ($group = Database::fetch_object($res)) {
                 $groups_to_delete[] = $group->id;
             }
@@ -947,7 +947,7 @@ 
      */
     public static function get_current_max_groups_per_user($category_id = null, $course_code = null)
     {
-        $course_info = api_get_course_info ($course_code);
+        $course_info = api_get_course_info($course_code);
         $group_table = Database :: get_course_table(TABLE_GROUP);
         $group_user_table = Database :: get_course_table(TABLE_GROUP_USER);
         $sql = 'SELECT COUNT(gu.group_id) AS current_max
@@ -1186,17 +1186,17 @@ 
     {
         $_course = api_get_course_info();
 
-        $group_ids = is_array($group_ids) ? $group_ids : array ($group_ids);
+        $group_ids = is_array($group_ids) ? $group_ids : array($group_ids);
         $group_ids = array_map('intval', $group_ids);
 
         if (api_is_course_coach()) {
-            for ($i=0 ; $i< count($group_ids) ; $i++) {
-                if (!api_is_element_in_the_session(TOOL_GROUP, $group_ids[$i])){
-                    array_splice($group_ids,$i,1);
+            for ($i = 0; $i < count($group_ids); $i++) {
+                if (!api_is_element_in_the_session(TOOL_GROUP, $group_ids[$i])) {
+                    array_splice($group_ids, $i, 1);
                     $i--;
                 }
             }
-            if (count($group_ids)==0) {
+            if (count($group_ids) == 0) {
                 return false;
             }
         }
@@ -1235,9 +1235,9 @@ 
          * Retrieve course users (reverse) ordered by the number
          * of group they are already enrolled
          */
-        for ($i = 0; $i < count($complete_user_list); $i ++) {
+        for ($i = 0; $i < count($complete_user_list); $i++) {
             //find # of groups the user is enrolled in
-            $number_of_groups = self :: user_in_number_of_groups($complete_user_list[$i]["user_id"], (isset($category['id'])?$category['id']:null));
+            $number_of_groups = self :: user_in_number_of_groups($complete_user_list[$i]["user_id"], (isset($category['id']) ? $category['id'] : null));
             //add # of groups to user list
             $complete_user_list[$i]['number_groups_left'] = $number_groups_per_user - $number_of_groups;
         }
@@ -1249,7 +1249,7 @@ 
 
         //now sort by # of group left
         $complete_user_list = TableSort :: sort_table($complete_user_list, 'number_groups_left', SORT_DESC);
-        $userToken = array ();
+        $userToken = array();
         foreach ($complete_user_list as $this_user) {
             if ($this_user['number_groups_left'] > 0) {
                 $userToken[$this_user['user_id']] = $this_user['number_groups_left'];
@@ -1444,7 +1444,7 @@ 
                 if ($category['groups_per_user'] == self::GROUP_PER_MEMBER_NO_LIMIT) {
                     $category['groups_per_user'] = self::INFINITE;
                 }
-                $result = self:: user_in_number_of_groups($user_id, $category['id'] ) < $category['groups_per_user'];
+                $result = self:: user_in_number_of_groups($user_id, $category['id']) < $category['groups_per_user'];
                 if ($result == false) {
                     return false;
                 }
@@ -1555,7 +1555,7 @@ 
                     tg.group_id='".$group_id."' AND
                     tg.user_id=u.user_id".$order_clause;
         $db_result = Database::query($sql);
-        $users = array ();
+        $users = array();
         while ($user = Database::fetch_object($db_result)) {
             if (!$id_only) {
                 $member['user_id'] = $user->user_id;
@@ -1620,8 +1620,8 @@ 
         foreach ($user_ids as $user_id) {
             $user_id = intval($user_id);
             if (self::can_user_subscribe($user_id, $group_id, false)) {
-                $sql = "INSERT INTO " . $table_group_tutor . " (c_id, user_id, group_id)
-                        VALUES ('$course_id', '" . $user_id . "', '" . $group_id . "')";
+                $sql = "INSERT INTO ".$table_group_tutor." (c_id, user_id, group_id)
+                        VALUES ('$course_id', '".$user_id."', '".$group_id."')";
                 $result &= Database::query($sql);
             }
         }
@@ -1637,7 +1637,7 @@ 
      */
     public static function unsubscribe_users($user_ids, $group_id)
     {
-        $user_ids = is_array($user_ids) ? $user_ids : array ($user_ids);
+        $user_ids = is_array($user_ids) ? $user_ids : array($user_ids);
         $table_group_user = Database :: get_course_table(TABLE_GROUP_USER);
         $group_id = intval($group_id);
         $course_id = api_get_course_int_id();
@@ -2183,7 +2183,7 @@ 
          * Retrieve course users (reverse) ordered by the number
          * of group they are already enrolled
          */
-        for ($i = 0; $i < count($complete_user_list); $i ++) {
+        for ($i = 0; $i < count($complete_user_list); $i++) {
             // find # of groups the user is enrolled in
             $number_of_groups = self:: user_in_number_of_groups(
                 $complete_user_list[$i]["user_id"],
@@ -2315,14 +2315,14 @@ 
                 !(api_is_course_coach() && intval($this_group['session_id']) != $session_id)
             ) {
                 $edit_actions = '<a href="'.$url.'settings.php?'.api_get_cidreq(true, false).'&gidReq='.$this_group['id'].'"  title="'.get_lang('Edit').'">'.
-                    Display::return_icon('edit.png', get_lang('EditGroup'),'',ICON_SIZE_SMALL).'</a>&nbsp;';
+                    Display::return_icon('edit.png', get_lang('EditGroup'), '', ICON_SIZE_SMALL).'</a>&nbsp;';
 
                 if ($this_group['status'] == 1) {
-                    $edit_actions .= '<a href="' . api_get_self() . '?' . api_get_cidreq(true,false) . '&category=' . $category_id . '&action=set_invisible&id=' . $this_group['id'] . '" title="' . get_lang('Hide') . '">' .
-                        Display::return_icon('visible.png', get_lang('Hide'), '', ICON_SIZE_SMALL) . '</a>&nbsp;';
+                    $edit_actions .= '<a href="'.api_get_self().'?'.api_get_cidreq(true, false).'&category='.$category_id.'&action=set_invisible&id='.$this_group['id'].'" title="'.get_lang('Hide').'">'.
+                        Display::return_icon('visible.png', get_lang('Hide'), '', ICON_SIZE_SMALL).'</a>&nbsp;';
                 } else {
-                    $edit_actions .= '<a href="' . api_get_self() . '?' . api_get_cidreq(true, false) . '&category=' . $category_id . '&action=set_visible&id=' . $this_group['id'] . '" title="' . get_lang('Show') . '">' .
-                        Display::return_icon('invisible.png', get_lang('Show'), '', ICON_SIZE_SMALL) . '</a>&nbsp;';
+                    $edit_actions .= '<a href="'.api_get_self().'?'.api_get_cidreq(true, false).'&category='.$category_id.'&action=set_visible&id='.$this_group['id'].'" title="'.get_lang('Show').'">'.
+                        Display::return_icon('invisible.png', get_lang('Show'), '', ICON_SIZE_SMALL).'</a>&nbsp;';
                 }
 
                 $edit_actions .= '<a href="'.$url.'member_settings.php?'.api_get_cidreq(true, false).'&gidReq='.$this_group['id'].'"  title="'.get_lang('GroupMembers').'">'.
@@ -2335,10 +2335,10 @@ 
                     Display::return_icon('clean.png',get_lang('EmptyGroup'),'',ICON_SIZE_SMALL).'</a>&nbsp;';*/
 
                 $edit_actions .= '<a href="'.api_get_self().'?'.api_get_cidreq(true, false).'&category='.$category_id.'&action=fill_one&id='.$this_group['id'].'" onclick="javascript: if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES))."'".')) return false;" title="'.get_lang('FillGroup').'">'.
-                    Display::return_icon('fill.png',get_lang('FillGroup'),'',ICON_SIZE_SMALL).'</a>&nbsp;';
+                    Display::return_icon('fill.png', get_lang('FillGroup'), '', ICON_SIZE_SMALL).'</a>&nbsp;';
 
                 $edit_actions .= '<a href="'.api_get_self().'?'.api_get_cidreq(true, false).'&category='.$category_id.'&action=delete_one&id='.$this_group['id'].'" onclick="javascript: if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES))."'".')) return false;" title="'.get_lang('Delete').'">'.
-                    Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>&nbsp;';
+                    Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).'</a>&nbsp;';
 
                 $row[] = $edit_actions;
             }
@@ -2710,7 +2710,7 @@ 
         $activeTutor = null;
         $activeMember = null;
 
-        switch($default) {
+        switch ($default) {
             case 'settings':
                 $activeSettings = 'active';
                 break;

main/inc/lib/hook/HookManagement.php

Doc Comments +1 added lines, -1 removed lines

@@ -138,7 +138,7 @@
 
     /**
      * Return a list an associative array where keys are the active hook observer class name
-     * @param $eventName
+     * @param string $eventName
      *
      * @return array
      */

Indentation +3 added lines, -3 removed lines

@@ -1,9 +1,9 @@
 <?php
 /* For licensing terms, see /license.txt */
 /**
- * @TODO: Improve description
- * @package chamilo.hookmanagement
- */
+     * @TODO: Improve description
+     * @package chamilo.hookmanagement
+     */
 class HookManagement implements HookManagementInterface
 {
     /**

Spacing +14 added lines, -14 removed lines

@@ -145,10 +145,10 @@ 
     public function listHookObservers($eventName)
     {
         $array = array();
-        $joinTable = $this->tables[TABLE_HOOK_CALL] . ' hc' .
-            ' INNER JOIN ' . $this->tables[TABLE_HOOK_EVENT] . ' he' .
-            ' ON hc.hook_event_id = he.id ' .
-            ' INNER JOIN ' . $this->tables[TABLE_HOOK_OBSERVER] . ' ho ' .
+        $joinTable = $this->tables[TABLE_HOOK_CALL].' hc'.
+            ' INNER JOIN '.$this->tables[TABLE_HOOK_EVENT].' he'.
+            ' ON hc.hook_event_id = he.id '.
+            ' INNER JOIN '.$this->tables[TABLE_HOOK_OBSERVER].' ho '.
             ' ON hc.hook_observer_id = ho.id ';
         $columns = 'ho.class_name, ho.path, ho.plugin_name, hc.enabled';
         $where = array('where' => array('he.class_name = ? ' => $eventName, 'AND hc.enabled = ? ' => 1));
@@ -202,10 +202,10 @@ 
     public function listAllHookCalls()
     {
         $array = array();
-        $joinTable = $this->tables[TABLE_HOOK_CALL] . ' hc' .
-            ' INNER JOIN ' . $this->tables[TABLE_HOOK_EVENT] . ' he' .
-            ' ON hc.hook_event_id = he.id ' .
-            ' INNER JOIN ' . $this->tables[TABLE_HOOK_OBSERVER] . ' ho ' .
+        $joinTable = $this->tables[TABLE_HOOK_CALL].' hc'.
+            ' INNER JOIN '.$this->tables[TABLE_HOOK_EVENT].' he'.
+            ' ON hc.hook_event_id = he.id '.
+            ' INNER JOIN '.$this->tables[TABLE_HOOK_OBSERVER].' ho '.
             ' ON hc.hook_observer_id = ho.id ';
         $columns = 'he.class_name AS event_class_name, ho.class_name AS observer_class_name, hc.id AS id, hc.type AS type';
         $rows = Database::select($columns, $joinTable);
@@ -231,7 +231,7 @@ 
         if (isset($eventName) && !isset($this->hookEvents[$eventName])) {
             $attributes = array(
                 'class_name' => $eventName,
-                'description' => get_lang('HookDescription' . $eventName),
+                'description' => get_lang('HookDescription'.$eventName),
             );
             $id = Database::insert($this->tables[TABLE_HOOK_EVENT], $attributes);
             $this->hookEvents[$eventName] = $id;
@@ -240,7 +240,7 @@ 
         // Check if exists hook observer
         if (isset($observerClassName) &&
             !isset($this->hookObservers[$observerClassName])
-        ){
+        ) {
             $object = $observerClassName::create();
             $attributes = array(
                 'class_name' => $observerClassName,
@@ -338,10 +338,10 @@ 
         $eventName = Database::escape_string($eventName);
         $observerClassName($observerClassName);
         $type = Database::escape_string($type);
-        $joinTable = $this->tables[TABLE_HOOK_CALL] . ' hc' .
-            ' INNER JOIN ' . $this->tables[TABLE_HOOK_EVENT] . ' he' .
-            ' ON hc.hook_event_id = he.id ' .
-            ' INNER JOIN ' . $this->tables[TABLE_HOOK_OBSERVER] . ' ho ' .
+        $joinTable = $this->tables[TABLE_HOOK_CALL].' hc'.
+            ' INNER JOIN '.$this->tables[TABLE_HOOK_EVENT].' he'.
+            ' ON hc.hook_event_id = he.id '.
+            ' INNER JOIN '.$this->tables[TABLE_HOOK_OBSERVER].' ho '.
             ' ON hc.hook_observer_id = ho.id ';
         $row = Database::select(
             'id',

main/inc/lib/icalcreator/iCalcreator.class.php

Doc Comments +25 added lines, -30 removed lines

@@ -137,7 +137,7 @@ 
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.4.8 - 2008-10-21
  * @param string $value
- * @return void
+ * @return false|null
  */
   function setCalscale( $value ) {
     if( empty( $value )) return FALSE;
@@ -273,7 +273,7 @@ 
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.4.8 - 2008-10-23
  * @param string $value
- * @return void
+ * @return boolean
  */
   function setVersion( $value ) {
     if( empty( $value )) return FALSE;
@@ -397,7 +397,7 @@ 
  * @since 2.5.1 - 2008-11-02
  * @param string $propName, optional
  * @param int @propix, optional, if specific property is wanted in case of multiply occurences
- * @param bool $inclParam=FALSE
+ * @param bool $inclParam
  * @return mixed
  */
   function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) {
@@ -448,9 +448,6 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.2.13 - 2007-11-04
- * @param mixed $args variable number of function arguments,
- *                    first argument is ALWAYS component name,
- *                    second ALWAYS component value!
  * @return bool
  */
   function setProperty () {
@@ -480,7 +477,7 @@ 
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.4.10 - 2008-10-23
  * @param string $config
- * @return value
+ * @return string
  */
   function getConfig( $config ) {
     switch( strtoupper( $config )) {
@@ -701,7 +698,7 @@ 
  * @since 2.4.10 - 2008-08-05
  * @param mixed $arg1 ordno / component type / component uid
  * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return void
+ * @return boolean
  */
   function deleteComponent( $arg1, $arg2=FALSE  ) {
     $argType = $index = null;
@@ -1060,7 +1057,7 @@ 
  * @param object $component calendar component
  * @param mixed $arg1 optional, ordno/component type/ component uid
  * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return void
+ * @return boolean
  */
   function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
     if( '' >= $component->getConfig( 'language'))
@@ -2309,7 +2306,7 @@ 
  * @param int $min optional
  * @param int $sec optional
  * @param array $params optional
- * @return TRUE
+ * @return boolean
  */
   function setDtstamp( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( empty( $year ))
@@ -2792,7 +2789,7 @@ 
  * @param int $min optional
  * @param int $sec optional
  * @param array $params optional
- * @return boll
+ * @return boolean
  */
   function setLastModified( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( empty( $year ))
@@ -3213,7 +3210,6 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.5.1 - 2008-11-07
- * @param float $relid
  * @param array $params, optional
  * @param index $index, optional
  * @return bool
@@ -3251,7 +3247,7 @@ 
  * @since 2.4.8 - 2008-11-04
  * @param string $value
  * @param array $params optional
- * @return void
+ * @return boolean
  */
   function setRepeat( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
@@ -3374,7 +3370,7 @@ 
  * @param array $rruleset
  * @param array $params, optional
  * @param integer $index, optional
- * @return void
+ * @return boolean
  */
   function setRrule( $rruleset, $params=FALSE, $index=FALSE ) {
     if( empty( $rruleset )) if( $this->getConfig( 'allowEmpty' )) $rruleset = null; else return FALSE;
@@ -3800,7 +3796,7 @@ 
  * @since 2.4.8 - 2008-11-04
  * @param string $value
  * @param string $params optional
- * @return boll
+ * @return boolean
  */
   function setTzurl( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
@@ -3929,7 +3925,7 @@ 
  * @param string $label
  * @param mixed $value
  * @param array $params optional
- * @return bool
+ * @return null|boolean
  */
   function setXprop( $label, $value, $params=FALSE ) {
     if( empty( $label )) return;
@@ -4096,7 +4092,7 @@ 
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 0.9.22 - 2007-04-10
  * @param array $params  optional
- * @param array $ctrKeys optional
+ * @param string[] $ctrKeys optional
  * @return string
  */
   function _createParams( $params=array(), $ctrKeys=array() ) {
@@ -4138,7 +4134,6 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.4.16 - 2008-10-25
- * @param array $date, date to check
  * @param int $parno, no of date parts (i.e. year, month.. .)
  * @return array $params, property parameters
  */
@@ -4194,7 +4189,6 @@ 
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.2.11 - 2007-11-03
  * @param array $startdate, optional
- * @param array $duration, optional
  * @return array duration
  */
   function _date2duration( $startdate=FALSE, $enddate=FALSE ) {
@@ -4228,7 +4222,7 @@ 
  * @since 2.4.8 - 2008-10-30
  * @param array  $datetime  datetime/(date)
  * @param string $tz        timezone
- * @return timestamp
+ * @return integer
  */
   function _date2timestamp( $datetime, $tz=null ) {
     $output = null;
@@ -4541,6 +4535,7 @@ 
  * @param int $hitVal optional, return value if found
  * @param int $elseVal optional, return value if not found
  * @param int $preSet optional, return value if already preset
+ * @param string $expkey
  * @return int
  */
   function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) {
@@ -4650,7 +4645,7 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.4.8 - 2008-10-22
- * @param array $recurlabel
+ * @param string $recurlabel
  * @param array $recurdata
  * @return string
  */
@@ -5196,6 +5191,10 @@ 
     else
       return FALSE;
   }
+
+  /**
+   * @param integer $wkst
+   */
   function _recurIntervalIx( $freq, $date, $wkst ) {
             /* create interval index */
     switch( $freq ) {
@@ -5504,7 +5503,6 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.4.16 - 2008-10-19
- * @param string $offset
  * @return integer
  */
   function _tz2offset( $tz ) {
@@ -5966,8 +5964,8 @@ 
  * @since 2.5.1 - 2008-11-02
  * @param string $propName, optional
  * @param int @propix, optional, if specific property is wanted in case of multiply occurences
- * @param bool $inclParam=FALSE
- * @param bool $specform=FALSE
+ * @param bool $inclParam
+ * @param bool $specform
  * @return mixed
  */
   function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE, $specform=FALSE ) {
@@ -6160,9 +6158,6 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.5.1 - 2008-11-05
- * @param mixed $args variable number of function arguments,
- *                    first argument is ALWAYS component name,
- *                    second ALWAYS component value!
  * @return void
  */
   function setProperty() {
@@ -6276,7 +6271,7 @@ 
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.5.2 - 2008-10-23
  * @param mixed $unparsedtext, optional, strict rfc2445 formatted, single property string or array of property strings
- * @return bool FALSE if error occurs during parsing
+ * @return boolean|null FALSE if error occurs during parsing
  *
  */
   function parse( $unparsedtext=null ) {
@@ -6578,7 +6573,7 @@ 
  * @since 2.5.1 - 2008-10-15
  * @param mixed $arg1 ordno / component type / component uid
  * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return void
+ * @return boolean
  */
   function deleteComponent( $arg1, $arg2=FALSE  ) {
     if( !isset( $this->components )) return FALSE;
@@ -6781,7 +6776,7 @@ 
  *
  * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
  * @since 2.2.8 - 2006-09-03
- * @param string $value
+ * @param string $string
  * @return string
  */
   function _size75( $string ) {

Indentation +3920 added lines, -3921 removed lines

@@ -1,28 +1,28 @@ 
 <?php
 /*********************************************************************************/
 /**
- * iCalcreator class v2.6
- * copyright (c) 2007-2008 Kjell-Inge Gustafsson kigkonsult
- * www.kigkonsult.se/iCalcreator/index.php
- * ical@kigkonsult.se
- *
- * Description:
- * This file is a PHP implementation of RFC 2445.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
+     * iCalcreator class v2.6
+     * copyright (c) 2007-2008 Kjell-Inge Gustafsson kigkonsult
+     * www.kigkonsult.se/iCalcreator/index.php
+     * ical@kigkonsult.se
+     *
+     * Description:
+     * This file is a PHP implementation of RFC 2445.
+     *
+     * This library is free software; you can redistribute it and/or
+     * modify it under the terms of the GNU Lesser General Public
+     * License as published by the Free Software Foundation; either
+     * version 2.1 of the License, or (at your option) any later version.
+     *
+     * This library is distributed in the hope that it will be useful,
+     * but WITHOUT ANY WARRANTY; without even the implied warranty of
+     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     * Lesser General Public License for more details.
+     *
+     * You should have received a copy of the GNU Lesser General Public
+     * License along with this library; if not, write to the Free Software
+     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+     */
 /*********************************************************************************/
 /*********************************************************************************/
 /*         A little setup                                                        */
@@ -45,41 +45,41 @@ 
 */
             /* only for phpversion 5.x, date management, default timezone setting */
 if( substr( phpversion(), 0, 1) >= '5' ) // && ( 'UTC' == date_default_timezone_get() )) {
-  date_default_timezone_set( 'Europe/Stockholm' );
+    date_default_timezone_set( 'Europe/Stockholm' );
             /* version string, do NOT remove!! */
 define( 'ICALCREATOR_VERSION', 'iCalcreator 2.6' );
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * vcalendar class
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.13 - 2007-12-30
- */
+             * vcalendar class
+             *
+             * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+             * @since 2.2.13 - 2007-12-30
+             */
 class vcalendar {
             //  calendar property variables
-  var $calscale;
-  var $method;
-  var $prodid;
-  var $version;
-  var $xprop;
+    var $calscale;
+    var $method;
+    var $prodid;
+    var $version;
+    var $xprop;
             //  container for calendar components
-  var $components;
+    var $components;
             //  component config variables
-  var $allowEmpty;
-  var $unique_id;
-  var $language;
-  var $directory;
-  var $filename;
-  var $url;
-  var $delimiter;
-  var $nl;
-  var $format;
+    var $allowEmpty;
+    var $unique_id;
+    var $language;
+    var $directory;
+    var $filename;
+    var $url;
+    var $delimiter;
+    var $nl;
+    var $format;
             //  component internal variables
-  var $attributeDelimiter;
-  var $valueInit;
+    var $attributeDelimiter;
+    var $valueInit;
             //  component xCal declaration container
-  var $xcaldecl;
+    var $xcaldecl;
 /*
  * constructor for calendar object
  *
@@ -87,7 +87,7 @@ 
  * @since 2.2.13 - 2007-12-30
  * @return void
  */
-  function vcalendar () {
+    function vcalendar () {
     $this->_makeVersion();
     $this->calscale   = null;
     $this->method     = null;
@@ -95,10 +95,10 @@ 
     $this->prodid     = null;
     $this->xprop      = array();
 /**
- *   language = <Text identifying a language, as defined in [RFC 1766]>
- */
+     *   language = <Text identifying a language, as defined in [RFC 1766]>
+     */
     if( defined( 'ICAL_LANG' ))
-      $this->setConfig( 'language', ICAL_LANG );
+        $this->setConfig( 'language', ICAL_LANG );
     $this->setConfig( 'allowEmpty', TRUE );
     $this->setConfig( 'nl',         "\n" );
     $this->setConfig( 'format',     'iCal');
@@ -108,227 +108,226 @@ 
     $this->setConfig( 'delimiter',  DIRECTORY_SEPARATOR );
     $this->xcaldecl   = array();
     $this->components = array();
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: CALSCALE
- */
+     * Property Name: CALSCALE
+     */
 /**
- * creates formatted output for calendar property calscale
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createCalscale() {
+     * creates formatted output for calendar property calscale
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createCalscale() {
     if( empty( $this->calscale )) return FALSE;
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         return ' calscale="'.$this->calscale.'"'.$this->nl;
         break;
-      default:
+        default:
         return 'CALSCALE:'.$this->calscale.$this->nl;
         break;
     }
-  }
+    }
 /**
- * set calendar property calscale
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @param string $value
- * @return void
- */
-  function setCalscale( $value ) {
+     * set calendar property calscale
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @param string $value
+     * @return void
+     */
+    function setCalscale( $value ) {
     if( empty( $value )) return FALSE;
     $this->calscale = $value;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: METHOD
- */
+     * Property Name: METHOD
+     */
 /**
- * creates formatted output for calendar property method
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @return string
- */
-  function createMethod() {
+     * creates formatted output for calendar property method
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @return string
+     */
+    function createMethod() {
     if( empty( $this->method )) return FALSE;
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         return ' method="'.$this->method.'"'.$this->nl;
         break;
-      default:
+        default:
         return 'METHOD:'.$this->method.$this->nl;
         break;
     }
-  }
+    }
 /**
- * set calendar property method
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-20-23
- * @param string $value
- * @return bool
- */
-  function setMethod( $value ) {
+     * set calendar property method
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-20-23
+     * @param string $value
+     * @return bool
+     */
+    function setMethod( $value ) {
     if( empty( $value )) return FALSE;
     $this->method = $value;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: PRODID
- *
- *  The identifier is RECOMMENDED to be the identical syntax to the
- * [RFC 822] addr-spec. A good method to assure uniqueness is to put the
- * domain name or a domain literal IP address of the host on which.. .
- */
-/**
- * creates formatted output for calendar property prodid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @return string
- */
-  function createProdid() {
+     * Property Name: PRODID
+     *
+     *  The identifier is RECOMMENDED to be the identical syntax to the
+     * [RFC 822] addr-spec. A good method to assure uniqueness is to put the
+     * domain name or a domain literal IP address of the host on which.. .
+     */
+/**
+     * creates formatted output for calendar property prodid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @return string
+     */
+    function createProdid() {
     if( !isset( $this->prodid ))
-      $this->_makeProdid();
+        $this->_makeProdid();
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         return ' prodid="'.$this->prodid.'"'.$this->nl;
         break;
-      default:
+        default:
         return 'PRODID:'.$this->prodid.$this->nl;
         break;
     }
-  }
+    }
 /**
- * make default value for calendar prodid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.3.0 - 2006-08-10
- * @return void
- */
-  function _makeProdid() {
+     * make default value for calendar prodid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.3.0 - 2006-08-10
+     * @return void
+     */
+    function _makeProdid() {
     $this->prodid  = '-//'.$this->unique_id.'//NONSGML '.ICALCREATOR_VERSION.'//'.strtoupper( $this->language );
-  }
+    }
 /**
- * Conformance: The property MUST be specified once in an iCalendar object.
- * Description: The vendor of the implementation SHOULD assure that this
- * is a globally unique identifier; using some technique such as an FPI
- * value, as defined in [ISO 9070].
- */
+     * Conformance: The property MUST be specified once in an iCalendar object.
+     * Description: The vendor of the implementation SHOULD assure that this
+     * is a globally unique identifier; using some technique such as an FPI
+     * value, as defined in [ISO 9070].
+     */
 /**
- * make default unique_id for calendar prodid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.3.0 - 2006-08-10
- * @return void
- */
-  function _makeUnique_id() {
+     * make default unique_id for calendar prodid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.3.0 - 2006-08-10
+     * @return void
+     */
+    function _makeUnique_id() {
     $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: VERSION
- *
- * Description: A value of "2.0" corresponds to this memo.
- */
-/**
- * creates formatted output for calendar property version
-
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @return string
- */
-  function createVersion() {
+     * Property Name: VERSION
+     *
+     * Description: A value of "2.0" corresponds to this memo.
+     */
+/**
+     * creates formatted output for calendar property version
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @return string
+     */
+    function createVersion() {
     if( empty( $this->version ))
-      $this->_makeVersion();
+        $this->_makeVersion();
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         return ' version="'.$this->version.'"'.$this->nl;
         break;
-      default:
+        default:
         return 'VERSION:'.$this->version.$this->nl;
         break;
     }
-  }
+    }
 /**
- * set default calendar version
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.3.0 - 2006-08-10
- * @return void
- */
-  function _makeVersion() {
+     * set default calendar version
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.3.0 - 2006-08-10
+     * @return void
+     */
+    function _makeVersion() {
     $this->version = '2.0';
-  }
+    }
 /**
- * set calendar version
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param string $value
- * @return void
- */
-  function setVersion( $value ) {
+     * set calendar version
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param string $value
+     * @return void
+     */
+    function setVersion( $value ) {
     if( empty( $value )) return FALSE;
     $this->version = $value;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: x-prop
- */
+     * Property Name: x-prop
+     */
 /**
- * creates formatted output for calendar property x-prop, iCal format only
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.11 - 2008-11-03
- * @return string
- */
-  function createXprop() {
+     * creates formatted output for calendar property x-prop, iCal format only
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.11 - 2008-11-03
+     * @return string
+     */
+    function createXprop() {
     if( 'xcal' == $this->format )
-      return false;
+        return false;
     if( 0 >= count( $this->xprop ))
-      return;
+        return;
     $output = null;
     $toolbox = new calendarComponent();
     $toolbox->setConfig( 'language', $this->getConfig( 'language' ));
     $toolbox->setConfig( 'nl',       $this->getConfig( 'nl' ));
     $toolbox->_createFormat(         $this->getConfig( 'format' ));
     foreach( $this->xprop as $label => $xpropPart ) {
-      if( empty( $xpropPart['value'] )) {
+        if( empty( $xpropPart['value'] )) {
         $output  .= $toolbox->_createElement( $label );
         continue;
-      }
-      $attributes = $toolbox->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
-      if( is_array( $xpropPart['value'] )) {
+        }
+        $attributes = $toolbox->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
+        if( is_array( $xpropPart['value'] )) {
         foreach( $xpropPart['value'] as $pix => $theXpart )
-          $xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart );
+            $xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart );
         $xpropPart['value']  = implode( ',', $xpropPart['value'] );
-      }
-      else
+        }
+        else
         $xpropPart['value'] = $toolbox->_strrep( $xpropPart['value'] );
-      $output    .= $toolbox->_createElement( $label, $attributes, $xpropPart['value'] );
+        $output    .= $toolbox->_createElement( $label, $attributes, $xpropPart['value'] );
     }
     return $output;
-  }
+    }
 /**
- * set calendar property x-prop
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.11 - 2008-11-04
- * @param string $label
- * @param string $value
- * @param array $params optional
- * @return bool
- */
-  function setXprop( $label, $value, $params=FALSE ) {
+     * set calendar property x-prop
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.11 - 2008-11-04
+     * @param string $label
+     * @param string $value
+     * @param array $params optional
+     * @return bool
+     */
+    function setXprop( $label, $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     if( empty( $label )) return FALSE;
     $xprop           = array( 'value' => $value );
@@ -337,325 +336,325 @@ 
     if( !is_array( $this->xprop )) $this->xprop = array();
     $this->xprop[strtoupper( $label )] = $xprop;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * delete calendar property value
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.5 - 2008-11-14
- * @param mixed $propName, bool FALSE => X-property
- * @param int @propix, optional, if specific property is wanted in case of multiply occurences
- * @return bool, if successfull delete
- */
-  function deleteProperty( $propName, $propix=FALSE ) {
+     * delete calendar property value
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.5 - 2008-11-14
+     * @param mixed $propName, bool FALSE => X-property
+     * @param int @propix, optional, if specific property is wanted in case of multiply occurences
+     * @return bool, if successfull delete
+     */
+    function deleteProperty( $propName, $propix=FALSE ) {
     $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
     if( !$propix )
-      $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+        $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
     $this->propdelix[$propName] = --$propix;
     $return = FALSE;
     switch( $propName ) {
-      case 'CALSCALE':
+        case 'CALSCALE':
         if( isset( $this->calscale )) {
-          $this->calscale = null;
-          $return = TRUE;
+            $this->calscale = null;
+            $return = TRUE;
         }
         break;
-      case 'METHOD':
+        case 'METHOD':
         if( isset( $this->method )) {
-          $this->method   = null;
-          $return = TRUE;
+            $this->method   = null;
+            $return = TRUE;
         }
         break;
-      default:
+        default:
         $reduced = array();
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          foreach( $this->xprop as $k => $a ) {
+            if( !isset( $this->xprop[$propName] )) return FALSE;
+            foreach( $this->xprop as $k => $a ) {
             if(( $k != $propName ) && !empty( $a ))
-              $reduced[$k] = $a;
-          }
+                $reduced[$k] = $a;
+            }
         }
         else {
-          if( count( $this->xprop ) <= $propix )  return FALSE;
-          $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
+            if( count( $this->xprop ) <= $propix )  return FALSE;
+            $xpropno = 0;
+            foreach( $this->xprop as $xpropkey => $xpropvalue ) {
             if( $propix != $xpropno )
-              $reduced[$xpropkey] = $xpropvalue;
+                $reduced[$xpropkey] = $xpropvalue;
             $xpropno++;
-          }
+            }
         }
         $this->xprop = $reduced;
         return TRUE;
     }
     return $return;
-  }
+    }
 /**
- * get calendar property value/params
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-02
- * @param string $propName, optional
- * @param int @propix, optional, if specific property is wanted in case of multiply occurences
- * @param bool $inclParam=FALSE
- * @return mixed
- */
-  function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) {
+     * get calendar property value/params
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-02
+     * @param string $propName, optional
+     * @param int @propix, optional, if specific property is wanted in case of multiply occurences
+     * @param bool $inclParam=FALSE
+     * @return mixed
+     */
+    function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) {
     $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
     if( 'X-PROP' == $propName ) {
-      if( !$propix )
+        if( !$propix )
         $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
-      $this->propix[$propName] = --$propix;
+        $this->propix[$propName] = --$propix;
     }
     switch( $propName ) {
-      case 'CALSCALE':
+        case 'CALSCALE':
         return ( !empty( $this->calscale )) ? $this->calscale : null;
         break;
-      case 'METHOD':
+        case 'METHOD':
         return ( !empty( $this->method )) ? $this->method : null;
         break;
-      case 'PRODID':
+        case 'PRODID':
         if( empty( $this->prodid ))
-          $this->_makeProdid();
+            $this->_makeProdid();
         return $this->prodid;
         break;
-      case 'VERSION':
+        case 'VERSION':
         return ( !empty( $this->version )) ? $this->version : null;
         break;
-      default:
+        default:
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
+            if( !isset( $this->xprop[$propName] )) return FALSE;
+            return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
                                 : array( $propName, $this->xprop[$propName]['value'] );
         }
         else {
-          if( empty( $this->xprop )) return FALSE;
-          $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
+            if( empty( $this->xprop )) return FALSE;
+            $xpropno = 0;
+            foreach( $this->xprop as $xpropkey => $xpropvalue ) {
             if( $propix == $xpropno )
-              return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
+                return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
                                     : array( $xpropkey, $this->xprop[$xpropkey]['value'] );
             else
-              $xpropno++;
-          }
-          return FALSE; // not found ??
+                $xpropno++;
+            }
+            return FALSE; // not found ??
         }
     }
     return FALSE;
-  }
+    }
 /**
- * general vcalendar property setting
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.13 - 2007-11-04
- * @param mixed $args variable number of function arguments,
- *                    first argument is ALWAYS component name,
- *                    second ALWAYS component value!
- * @return bool
- */
-  function setProperty () {
+     * general vcalendar property setting
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.13 - 2007-11-04
+     * @param mixed $args variable number of function arguments,
+     *                    first argument is ALWAYS component name,
+     *                    second ALWAYS component value!
+     * @return bool
+     */
+    function setProperty () {
     $numargs    = func_num_args();
     if( 1 > $numargs )
-      return FALSE;
+        return FALSE;
     $arglist    = func_get_args();
     $arglist[0] = strtoupper( $arglist[0] );
     switch( $arglist[0] ) {
-      case 'CALSCALE':
+        case 'CALSCALE':
         return $this->setCalscale( $arglist[1] );
-      case 'METHOD':
+        case 'METHOD':
         return $this->setMethod( $arglist[1] );
-      case 'VERSION':
+        case 'VERSION':
         return $this->setVersion( $arglist[1] );
-      default:
+        default:
         if( !isset( $arglist[1] )) $arglist[1] = null;
         if( !isset( $arglist[2] )) $arglist[2] = null;
         return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] );
     }
     return FALSE;
-  }
+    }
 /*********************************************************************************/
 /**
- * get vcalendar config values or * calendar components
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-10-23
- * @param string $config
- * @return value
- */
-  function getConfig( $config ) {
+     * get vcalendar config values or * calendar components
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-10-23
+     * @param string $config
+     * @return value
+     */
+    function getConfig( $config ) {
     switch( strtoupper( $config )) {
-      case 'ALLOWEMPTY':
+        case 'ALLOWEMPTY':
         return $this->allowEmpty;
         break;
-      case 'COMPSINFO':
+        case 'COMPSINFO':
         unset( $this->compix );
         $info = array();
         foreach( $this->components as $cix => $component ) {
-          if( empty( $component )) continue;
-          unset( $component->propix );
-          $info[$cix]['ordno'] = $cix + 1;
-          $info[$cix]['type']  = $component->objName;
-          $info[$cix]['uid']   = $component->getProperty( 'uid' );
-          $info[$cix]['props'] = $component->getConfig( 'propinfo' );
-          $info[$cix]['sub']   = $component->getConfig( 'compsinfo' );
-          unset( $component->propix );
+            if( empty( $component )) continue;
+            unset( $component->propix );
+            $info[$cix]['ordno'] = $cix + 1;
+            $info[$cix]['type']  = $component->objName;
+            $info[$cix]['uid']   = $component->getProperty( 'uid' );
+            $info[$cix]['props'] = $component->getConfig( 'propinfo' );
+            $info[$cix]['sub']   = $component->getConfig( 'compsinfo' );
+            unset( $component->propix );
         }
         return $info;
         break;
-      case 'DELIMITER':
+        case 'DELIMITER':
         return $this->delimiter;
         break;
-      case 'DIRECTORY':
+        case 'DIRECTORY':
         if( empty( $this->directory ))
-          $this->directory = '.';
+            $this->directory = '.';
         return $this->directory;
         break;
-      case 'DIRFILE':
+        case 'DIRFILE':
         return $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$this->getConfig( 'filename' );
         break;
-      case 'FILEINFO':
+        case 'FILEINFO':
         return array( $this->getConfig( 'directory' )
                     , $this->getConfig( 'filename' )
                     , $this->getConfig( 'filesize' ));
         break;
-      case 'FILENAME':
+        case 'FILENAME':
         if( empty( $this->filename )) {
-          if( 'xcal' == $this->format )
+            if( 'xcal' == $this->format )
             $this->filename = date( 'YmdHis' ).'.xml'; // recommended xcs.. .
-          else
+            else
             $this->filename = date( 'YmdHis' ).'.ics';
         }
         return $this->filename;
         break;
-      case 'FILESIZE':
+        case 'FILESIZE':
         $size    = 0;
         if( empty( $this->url )) {
-          $dirfile = $this->getConfig( 'dirfile' );
-          if( FALSE === ( $size = filesize( $dirfile )))
+            $dirfile = $this->getConfig( 'dirfile' );
+            if( FALSE === ( $size = filesize( $dirfile )))
             $size = 0;
-          clearstatcache();
+            clearstatcache();
         }
         return $size;
         break;
-      case 'FORMAT':
+        case 'FORMAT':
         return $this->format;
         break;
-      case 'LANGUAGE':
+        case 'LANGUAGE':
          /* get language for calendar component as defined in [RFC 1766] */
         return $this->language;
         break;
-      case 'NL':
+        case 'NL':
       case 'NEWLINECHAR':
         return $this->nl;
         break;
-      case 'UNIQUE_ID':
+        case 'UNIQUE_ID':
         return $this->unique_id;
         break;
-      case 'URL':
+        case 'URL':
         if( !empty( $this->url ))
-          return $this->url;
+            return $this->url;
         else
-          return FALSE;
+            return FALSE;
         break;
     }
-  }
+    }
 /**
- * general vcalendar config setting
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-24
- * @param string $config
- * @param string $value
- * @return void
- */
-  function setConfig( $config, $value ) {
+     * general vcalendar config setting
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-24
+     * @param string $config
+     * @param string $value
+     * @return void
+     */
+    function setConfig( $config, $value ) {
     $res = FALSE;
     switch( strtoupper( $config )) {
-      case 'ALLOWEMPTY':
+        case 'ALLOWEMPTY':
         $this->allowEmpty = $value;
         $subcfg  = array( 'ALLOWEMPTY' => $value );
         $res = TRUE;
         break;
-      case 'DELIMITER':
+        case 'DELIMITER':
         $this->delimiter = $value;
         return TRUE;
         break;
-      case 'DIRECTORY':
+        case 'DIRECTORY':
         $value   = trim( $value );
         $nl      = $this->getConfig('delimiter');
         if( $nl == substr( $value, ( 0 - strlen( $nl ))))
-          $value = substr( $value, 0, ( strlen( $value ) - strlen( $nl )));
+            $value = substr( $value, 0, ( strlen( $value ) - strlen( $nl )));
         if( is_dir( $value )) {
             /* local directory */
-          clearstatcache();
-          $this->directory = $value;
-          $this->url       = null;
-          return TRUE;
+            clearstatcache();
+            $this->directory = $value;
+            $this->url       = null;
+            return TRUE;
         }
         else
-          return FALSE;
+            return FALSE;
         break;
-      case 'FILENAME':
+        case 'FILENAME':
         $value   = trim( $value );
         if( !empty( $this->url )) {
             /* remote directory+file - URL */
-          $this->filename = $value;
-          return TRUE;
+            $this->filename = $value;
+            return TRUE;
         }
         $dirfile = $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$value;
         if( file_exists( $dirfile )) {
             /* local existing file */
-          if( is_readable( $dirfile ) || is_writable( $dirfile )) {
+            if( is_readable( $dirfile ) || is_writable( $dirfile )) {
             clearstatcache();
             $this->filename = $value;
             return TRUE;
-          }
-          else
+            }
+            else
             return FALSE;
         }
         elseif( FALSE !== touch( $dirfile )) {
             /* new local file created */
-          $this->filename = $value;
-          return TRUE;
+            $this->filename = $value;
+            return TRUE;
         }
         else
-          return FALSE;
+            return FALSE;
         break;
-      case 'FORMAT':
+        case 'FORMAT':
         $value   = trim( $value );
         if( 'xcal' == strtolower( $value )) {
-          $this->format             = 'xcal';
-          $this->attributeDelimiter = $this->nl;
-          $this->valueInit          = null;
+            $this->format             = 'xcal';
+            $this->attributeDelimiter = $this->nl;
+            $this->valueInit          = null;
         }
         else {
-          $this->format             = null;
-          $this->attributeDelimiter = ';';
-          $this->valueInit          = ':';
+            $this->format             = null;
+            $this->attributeDelimiter = ';';
+            $this->valueInit          = ':';
         }
         $subcfg  = array( 'FORMAT' => $value );
         $res = TRUE;
         break;
-      case 'LANGUAGE':
+        case 'LANGUAGE':
          // set language for calendar component as defined in [RFC 1766]
         $value   = trim( $value );
         $this->language = $value;
         $subcfg  = array( 'LANGUAGE' => $value );
         $res = TRUE;
         break;
-      case 'NL':
+        case 'NL':
       case 'NEWLINECHAR':
         $this->nl = $value;
         $subcfg  = array( 'NL' => $value );
         $res = TRUE;
         break;
-      case 'UNIQUE_ID':
+        case 'UNIQUE_ID':
         $value   = trim( $value );
         $this->unique_id = $value;
         $subcfg  = array( 'UNIQUE_ID' => $value );
         $res = TRUE;
         break;
-      case 'URL':
+        case 'URL':
             /* remote file - URL */
         $value     = trim( $value );
         $value     = str_replace( 'HTTP://',   'http://', $value );
@@ -669,151 +668,151 @@ 
     }
     if( !$res ) return FALSE;
     if( isset( $subcfg ) && !empty( $this->components )) {
-      foreach( $subcfg as $cfgkey => $cfgvalue ) {
+        foreach( $subcfg as $cfgkey => $cfgvalue ) {
         foreach( $this->components as $cix => $component ) {
-          $res = $component->setConfig( $cfgkey, $cfgvalue );
-          if( !$res )
+            $res = $component->setConfig( $cfgkey, $cfgvalue );
+            if( !$res )
             break 2;
-          $this->components[$cix] = $component->copy(); // PHP4 compliant
+            $this->components[$cix] = $component->copy(); // PHP4 compliant
+        }
         }
-      }
     }
     return $res;
-  }
+    }
 /*********************************************************************************/
 /**
- * add calendar component to container
- *
- * alias to setComponent
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 1.x.x - 2007-04-24
- * @param object $component calendar component
- * @return void
- */
-  function addComponent( $component ) {
+     * add calendar component to container
+     *
+     * alias to setComponent
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 1.x.x - 2007-04-24
+     * @param object $component calendar component
+     * @return void
+     */
+    function addComponent( $component ) {
     $this->setComponent( $component );
-  }
+    }
 /**
- * delete calendar component from container
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-08-05
- * @param mixed $arg1 ordno / component type / component uid
- * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return void
- */
-  function deleteComponent( $arg1, $arg2=FALSE  ) {
+     * delete calendar component from container
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-08-05
+     * @param mixed $arg1 ordno / component type / component uid
+     * @param mixed $arg2 optional, ordno if arg1 = component type
+     * @return void
+     */
+    function deleteComponent( $arg1, $arg2=FALSE  ) {
     $argType = $index = null;
     if ( ctype_digit( (string) $arg1 )) {
-      $argType = 'INDEX';
-      $index   = (int) $arg1 - 1;
+        $argType = 'INDEX';
+        $index   = (int) $arg1 - 1;
     }
     elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
+        $argType = strtolower( $arg1 );
+        $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
     }
     $cix1dC = 0;
     foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+        if( empty( $component )) continue;
+        unset( $component->propix );
+        if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         unset( $this->components[$cix] );
         return TRUE;
-      }
-      elseif( $argType == $component->objName ) {
+        }
+        elseif( $argType == $component->objName ) {
         if( $index == $cix1dC ) {
-          unset( $this->components[$cix] );
-          return TRUE;
+            unset( $this->components[$cix] );
+            return TRUE;
         }
         $cix1dC++;
-      }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
+        }
+        elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
         unset( $this->components[$cix] );
         return TRUE;
-      }
+        }
     }
     return FALSE;
-  }
+    }
 /**
- * get calendar component from container
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-08-06
- * @param mixed $arg1 optional, ordno/component type/ component uid
- * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return object
- */
-  function getComponent( $arg1=FALSE, $arg2=FALSE ) {
+     * get calendar component from container
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-08-06
+     * @param mixed $arg1 optional, ordno/component type/ component uid
+     * @param mixed $arg2 optional, ordno if arg1 = component type
+     * @return object
+     */
+    function getComponent( $arg1=FALSE, $arg2=FALSE ) {
     $index = $argType = null;
     if ( !$arg1 ) {
-      $argType = 'INDEX';
-      $index   = $this->compix['INDEX'] =
+        $argType = 'INDEX';
+        $index   = $this->compix['INDEX'] =
         ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
     }
     elseif ( ctype_digit( (string) $arg1 )) {
-      $argType = 'INDEX';
-      $index   = (int) $arg1;
-      unset( $this->compix );
+        $argType = 'INDEX';
+        $index   = (int) $arg1;
+        unset( $this->compix );
     }
     elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      unset( $this->compix['INDEX'] );
-      $argType = strtolower( $arg1 );
-      if( !$arg2 )
+        unset( $this->compix['INDEX'] );
+        $argType = strtolower( $arg1 );
+        if( !$arg2 )
         $index = $this->compix[$argType] =
         ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
-      else
+        else
         $index = (int) $arg2;
     }
     $index  -= 1;
     $ckeys =  array_keys( $this->components );
     if( !empty( $index) && ( $index > end(  $ckeys )))
-      return FALSE;
+        return FALSE;
     $cix1gC = 0;
     foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix ))
+        if( empty( $component )) continue;
+        unset( $component->propix );
+        if(( 'INDEX' == $argType ) && ( $index == $cix ))
         return $component->copy();
-      elseif( $argType == $component->objName ) {
-         if( $index == $cix1gC )
-           return $component->copy();
-         $cix1gC++;
-      }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
+        elseif( $argType == $component->objName ) {
+            if( $index == $cix1gC )
+            return $component->copy();
+            $cix1gC++;
+        }
+        elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
         unset( $component->propix );
         return $component->copy();
-      }
+        }
     }
             /* not found.. . */
     unset( $this->compix );
     return FALSE;
-  }
+    }
 /**
- * select components from calendar on date basis
- *
- * Ensure DTSTART is set for every component.
- * No date controls occurs.
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-18
- * @param int $startY optional,  start Year, default current Year
- * @param int $startM optional,  start Month, default current Month
- * @param int $startD optional,  start Day, default current Day
- * @param int $endY optional,    end Year, default $startY
- * @param int $endY optional,    end Month, default $startM
- * @param int $endY optional,    end Day, default $startD
- * @param mixed $cType optional, calendar component type(-s), default FALSE=all else string/array type(-s)
- * @param bool $flat optional,   FALSE (default) => output : array[Year][Month][Day][]
- *                               TRUE => output : array[] (ignores split)
- * @param bool $any optional,    TRUE (default) - select component that take place within period
- *                               FALSE - only components that starts within period
- * @param bool $split optional,  TRUE (default) - one component copy every day it take place during the
- *                                       period (implies flat=FALSE)
- *                               FALSE - one occurance of component only in output array</tr>
- * @return array or FALSE
- */
-  function selectComponents( $startY=FALSE, $startM=FALSE, $startD=FALSE, $endY=FALSE, $endM=FALSE, $endD=FALSE, $cType=FALSE, $flat=FALSE, $any=TRUE, $split=TRUE ) {
+     * select components from calendar on date basis
+     *
+     * Ensure DTSTART is set for every component.
+     * No date controls occurs.
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-18
+     * @param int $startY optional,  start Year, default current Year
+     * @param int $startM optional,  start Month, default current Month
+     * @param int $startD optional,  start Day, default current Day
+     * @param int $endY optional,    end Year, default $startY
+     * @param int $endY optional,    end Month, default $startM
+     * @param int $endY optional,    end Day, default $startD
+     * @param mixed $cType optional, calendar component type(-s), default FALSE=all else string/array type(-s)
+     * @param bool $flat optional,   FALSE (default) => output : array[Year][Month][Day][]
+     *                               TRUE => output : array[] (ignores split)
+     * @param bool $any optional,    TRUE (default) - select component that take place within period
+     *                               FALSE - only components that starts within period
+     * @param bool $split optional,  TRUE (default) - one component copy every day it take place during the
+     *                                       period (implies flat=FALSE)
+     *                               FALSE - one occurance of component only in output array</tr>
+     * @return array or FALSE
+     */
+    function selectComponents( $startY=FALSE, $startM=FALSE, $startD=FALSE, $endY=FALSE, $endM=FALSE, $endD=FALSE, $cType=FALSE, $flat=FALSE, $any=TRUE, $split=TRUE ) {
             /* check  if empty calendar */
     if( 0 >= count( $this->components )) return FALSE;
             /* check default dates */
@@ -828,54 +827,54 @@ 
             /* check component types */
     $validTypes = array('vevent', 'vtodo', 'vjournal', 'vfreebusy' );
     if( is_array( $cType )) {
-      foreach( $cType as $cix => $theType ) {
+        foreach( $cType as $cix => $theType ) {
         $cType[$cix] = $theType = strtolower( $theType );
         if( !in_array( $theType, $validTypes ))
-          $cType[$cix] = 'vevent';
-      }
-      $cType = array_unique( $cType );
+            $cType[$cix] = 'vevent';
+        }
+        $cType = array_unique( $cType );
     }
     elseif( !empty( $cType )) {
-      $cType = strtolower( $cType );
-      if( !in_array( $cType, $validTypes ))
+        $cType = strtolower( $cType );
+        if( !in_array( $cType, $validTypes ))
         $cType = array( 'vevent' );
-      else
+        else
         $cType = array( $cType );
     }
     else
-      $cType = $validTypes;
+        $cType = $validTypes;
     if( 0 >= count( $cType ))
-      $cType = $validTypes;
+        $cType = $validTypes;
             /* iterate components */
     $result = array();
     foreach ( $this->components as $cix => $component ) {
-      if( empty( $component )) continue;
-      unset( $component->propix, $start );
+        if( empty( $component )) continue;
+        unset( $component->propix, $start );
             /* deselect unvalid type components */
-      if( !in_array( $component->objName, $cType )) continue;
+        if( !in_array( $component->objName, $cType )) continue;
             /* deselect components without dtstart set */
-      if( FALSE === ( $start = $component->getProperty( 'dtstart' ))) continue;
-      $dtendExist = $dueExist = $durationExist = $endAllDayEvent = FALSE;
-      unset( $end, $startWdate, $endWdate, $rdurWsecs, $rdur, $exdatelist, $workstart, $workend ); // clean up
-      $startWdate = $component->_date2timestamp( $start );
-      $startDateFormat = ( isset( $start['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
+        if( FALSE === ( $start = $component->getProperty( 'dtstart' ))) continue;
+        $dtendExist = $dueExist = $durationExist = $endAllDayEvent = FALSE;
+        unset( $end, $startWdate, $endWdate, $rdurWsecs, $rdur, $exdatelist, $workstart, $workend ); // clean up
+        $startWdate = $component->_date2timestamp( $start );
+        $startDateFormat = ( isset( $start['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
             /* get end date from dtend/due/duration properties */
-      $end = $component->getProperty( 'dtend' );
-      if( !empty( $end )) {
+        $end = $component->getProperty( 'dtend' );
+        if( !empty( $end )) {
         $dtendExist = TRUE;
         $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
-      }
-   // if( !empty($end))  echo 'selectComp 1 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
-      if( empty($end) && ( $component->objName == 'vtodo' )) {
+        }
+    // if( !empty($end))  echo 'selectComp 1 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
+        if( empty($end) && ( $component->objName == 'vtodo' )) {
         $end = $component->getProperty( 'due' );
         if( !empty( $end )) {
-          $dueExist = TRUE;
-          $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
+            $dueExist = TRUE;
+            $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
         }
-   // if( !empty($end))  echo 'selectComp 2 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
-      }
-      if( !empty( $end ) && !isset( $end['hour'] )) {
-          /* a DTEND without time part regards an event that ends the day before,
+    // if( !empty($end))  echo 'selectComp 2 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
+        }
+        if( !empty( $end ) && !isset( $end['hour'] )) {
+            /* a DTEND without time part regards an event that ends the day before,
              for an all-day event DTSTART=20071201 DTEND=20071202 (taking place 20071201!!! */
         $endAllDayEvent = TRUE;
         $endWdate = mktime( 23, 59, 59, $end['month'], ($end['day'] - 1), $end['year'] );
@@ -884,594 +883,594 @@ 
         $end['day']   = date( 'd', $endWdate );
         $end['hour']  = 23;
         $end['min']   = $end['sec'] = 59;
-   // if( !empty($end))  echo 'selectComp 3 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
-      }
-      if( empty( $end )) {
+    // if( !empty($end))  echo 'selectComp 3 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
+        }
+        if( empty( $end )) {
         $end = $component->getProperty( 'duration', FALSE, FALSE, TRUE );// in dtend (array) format
         if( !empty( $end ))
-          $durationExist = TRUE;
-   // if( !empty($end))  echo 'selectComp 4 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
-      }
-      if( empty( $end )) { // assume one day duration if missing end date
+            $durationExist = TRUE;
+    // if( !empty($end))  echo 'selectComp 4 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
+        }
+        if( empty( $end )) { // assume one day duration if missing end date
         $end = array( 'year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59 );
-   // if( isset($end))  echo 'selectComp 5 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
-      }
-      $endWdate = $component->_date2timestamp( $end );
-      if( $endWdate < $startWdate ) { // MUST be after start date!!
+    // if( isset($end))  echo 'selectComp 5 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
+        }
+        $endWdate = $component->_date2timestamp( $end );
+        if( $endWdate < $startWdate ) { // MUST be after start date!!
         $end = array( 'year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59 );
         $endWdate = $component->_date2timestamp( $end );
-      }
-      $rdurWsecs  = $endWdate - $startWdate; // compute component duration in seconds
-      $rdur       = $component->_date2duration( $start, $end ); // compute component duration, array
+        }
+        $rdurWsecs  = $endWdate - $startWdate; // compute component duration in seconds
+        $rdur       = $component->_date2duration( $start, $end ); // compute component duration, array
             /* make a list of optional exclude dates for component occurence from exrule and exdate */
-      $exdatelist = array();
-      $workstart  = $component->_timestamp2date(( $startDate - $rdurWsecs ), 6);
-      $workend    = $component->_timestamp2date(( $endDate + $rdurWsecs ), 6);
-      while( FALSE !== ( $exrule = $component->getProperty( 'exrule' )))    // check exrule
+        $exdatelist = array();
+        $workstart  = $component->_timestamp2date(( $startDate - $rdurWsecs ), 6);
+        $workend    = $component->_timestamp2date(( $endDate + $rdurWsecs ), 6);
+        while( FALSE !== ( $exrule = $component->getProperty( 'exrule' )))    // check exrule
         $component->_recur2date( $exdatelist, $exrule, $start, $workstart, $workend );
-      while( FALSE !== ( $exdate = $component->getProperty( 'exdate' ))) {  // check exdate
+        while( FALSE !== ( $exdate = $component->getProperty( 'exdate' ))) {  // check exdate
         foreach( $exdate as $theExdate ) {
-          $exWdate = $component->_date2timestamp( $theExdate );
-          if((( $startDate - $rdurWsecs ) <= $exWdate ) && ( $endDate >= $exWdate ))
+            $exWdate = $component->_date2timestamp( $theExdate );
+            if((( $startDate - $rdurWsecs ) <= $exWdate ) && ( $endDate >= $exWdate ))
             $exdatelist[$exWdate] = TRUE;
         }
-      }
+        }
             /* if 'any' components, check repeating components, removing all excluding dates */
-      if( TRUE === $any ) {
+        if( TRUE === $any ) {
             /* make a list of optional repeating dates for component occurence, rrule, rdate */
         $recurlist = array();
         while( FALSE !== ( $rrule = $component->getProperty( 'rrule' )))    // check rrule
-          $component->_recur2date( $recurlist, $rrule, $start, $workstart, $workend );
+            $component->_recur2date( $recurlist, $rrule, $start, $workstart, $workend );
         foreach( $recurlist as $recurkey => $recurvalue ) // key=match date as timestamp
-          $recurlist[$recurkey] = $rdurWsecs; // add duration in seconds
+            $recurlist[$recurkey] = $rdurWsecs; // add duration in seconds
         while( FALSE !== ( $rdate = $component->getProperty( 'rdate' ))) {  // check rdate
-          foreach( $rdate as $theRdate ) {
+            foreach( $rdate as $theRdate ) {
             if( is_array( $theRdate ) && ( 2 == count( $theRdate )) &&  // all days within PERIOD
                    array_key_exists( '0', $theRdate ) &&  array_key_exists( '1', $theRdate )) {
-              $rstart = $component->_date2timestamp( $theRdate[0] );
-              if(( $rstart < ( $startDate - $rdurWsecs )) || ( $rstart > $endDate ))
+                $rstart = $component->_date2timestamp( $theRdate[0] );
+                if(( $rstart < ( $startDate - $rdurWsecs )) || ( $rstart > $endDate ))
                 continue;
-              if( isset( $theRdate[1]['year'] )) // date-date period
+                if( isset( $theRdate[1]['year'] )) // date-date period
                 $rend = $component->_date2timestamp( $theRdate[1] );
-              else {                             // date-duration period
+                else {                             // date-duration period
                 $rend = $component->duration2date( $theRdate[0], $theRdate[1] );
                 $rend = $component->_date2timestamp( $rend );
-              }
-              if((( $startDate - $rdurWsecs ) <= $rstart ) && ( $endDate >= $rstart ))
+                }
+                if((( $startDate - $rdurWsecs ) <= $rstart ) && ( $endDate >= $rstart ))
                 $recurlist[$rstart] = ( $rstart - $rend ); // set start date + rdate duration in seconds
             } // PERIOD end
             else { // single date
-              $theRdate = $component->_date2timestamp( $theRdate );
-              if((( $startDate - $rdurWsecs ) <= $theRdate ) && ( $endDate >= $theRdate ))
+                $theRdate = $component->_date2timestamp( $theRdate );
+                if((( $startDate - $rdurWsecs ) <= $theRdate ) && ( $endDate >= $theRdate ))
                 $recurlist[$theRdate] = $rdurWsecs; // set start date + event duration in seconds
             }
-          }
+            }
         }
         if( 0 < count( $recurlist )) {
-          ksort( $recurlist );
-          foreach( $recurlist as $recurkey => $durvalue ) {
+            ksort( $recurlist );
+            foreach( $recurlist as $recurkey => $durvalue ) {
             if((( $startDate - $rdurWsecs ) > $recurkey ) || ( $endDate < $recurkey )) // not within period
-              continue;
+                continue;
             if( isset( $exdatelist[$recurkey] )) // check excluded dates
-              continue;
+                continue;
             if( $startWdate >= $recurkey ) // exclude component start date
-              continue;
+                continue;
             $component2   = $component->copy();
             $rstart       = $component2->_timestamp2date( $recurkey, 6);
             $datevalue    = $rstart['month'].'/'.$rstart['day'].'/'.$rstart['year'];
             if( isset( $start['hour'] ) || isset( $start['min'] ) || isset( $start['sec'] )) {
-              $datevalue .= ( isset( $rstart['hour'] )) ? ' '.$rstart['hour'] : ' 00';
-              $datevalue .= ( isset( $rstart['min'] ))  ? ':'.$rstart['min']  : ':00';
-              $datevalue .= ( isset( $rstart['sec'] ))  ? ':'.$rstart['sec']  : ':00';
+                $datevalue .= ( isset( $rstart['hour'] )) ? ' '.$rstart['hour'] : ' 00';
+                $datevalue .= ( isset( $rstart['min'] ))  ? ':'.$rstart['min']  : ':00';
+                $datevalue .= ( isset( $rstart['sec'] ))  ? ':'.$rstart['sec']  : ':00';
             }
             $datestring = date( $startDateFormat, strtotime( $datevalue ));
             if( isset( $start['tz'] ))
-              $datestring .= ' '.$start['tz'];
+                $datestring .= ' '.$start['tz'];
             $component2->setProperty( 'X-CURRENT-DTSTART', $datestring );
             $rend   = $component2->_timestamp2date(( $recurkey + $durvalue ), 6);
             if( $dtendExist || $dueExist ) {
-              if( $endAllDayEvent ) {
+                if( $endAllDayEvent ) {
                 $rend2 = mktime( 0, 0, 0, $rend['month'], ($rend['day'] + 1), $rend['year'] );
                 $datevalue  = date( 'm', $rend2 ).'/'.date( 'd', $rend2 ).'/'.date( 'Y', $rend2 );
-              }
-              else {
+                }
+                else {
                 $datevalue  = $rend['month'].'/'.$rend['day'].'/'.$rend['year'];
                 if( isset( $end['hour'] ) || isset( $end['min'] ) || isset( $end['sec'] )) {
-                  $datevalue .= ( isset( $rend['hour'] )) ? ' '.$rend['hour'] : ' 00';
-                  $datevalue .= ( isset( $rend['min'] ))  ? ':'.$rend['min']  : ':00';
-                  $datevalue .= ( isset( $rend['sec'] ))  ? ':'.$rend['sec']  : ':00';
+                    $datevalue .= ( isset( $rend['hour'] )) ? ' '.$rend['hour'] : ' 00';
+                    $datevalue .= ( isset( $rend['min'] ))  ? ':'.$rend['min']  : ':00';
+                    $datevalue .= ( isset( $rend['sec'] ))  ? ':'.$rend['sec']  : ':00';
                 }
-              }
-              $datestring = date( $endDateFormat, strtotime( $datevalue ));
-              if( isset( $end['tz'] ))
+                }
+                $datestring = date( $endDateFormat, strtotime( $datevalue ));
+                if( isset( $end['tz'] ))
                 $datestring .= ' '.$end['tz'];
-              if( $dtendExist )
+                if( $dtendExist )
                 $component2->setProperty( 'X-CURRENT-DTEND', $datestring );
-              elseif( $dueExist )
+                elseif( $dueExist )
                 $component2->setProperty( 'X-CURRENT-DUE', $datestring );
             }
             $rend   = $component2->_date2timestamp( $rend );
             $rstart = $recurkey;
             /* add repeating components within valid dates to output array, only start date */
             if( $flat )
-              $result[] = $component2->copy(); // copy to output
+                $result[] = $component2->copy(); // copy to output
             elseif( $split ) {
-              if( $rend > $endDate )
+                if( $rend > $endDate )
                 $rend = $endDate;
-              while( $rstart <= $rend ) { // iterate
+                while( $rstart <= $rend ) { // iterate
                 $wd = getdate( $rstart );
                 if(( $rstart > $startDate ) &&      // date after dtstart
                     !isset( $exdatelist[$rstart] )) // check exclude date
-                  $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
+                    $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
                 $rstart += ( 24*60*60 ); // step one day
-              }
+                }
             }
             elseif(( $rstart >= $startDate ) &&     // date within period
                   !isset( $exdatelist[$rstart] )) { // check exclude date
-              $wd = getdate( $rstart );
-              $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
+                $wd = getdate( $rstart );
+                $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
+            }
             }
-          }
         }
             /* deselect components with startdate/enddate not within period */
         if(( $endWdate < $startDate ) || ( $startWdate > $endDate )) continue;
-      }
+        }
             /* deselect components with startdate not within period */
-      elseif(( $startWdate < $startDate ) || ( $startWdate > $endDate )) continue;
+        elseif(( $startWdate < $startDate ) || ( $startWdate > $endDate )) continue;
             /* add selected components within valid dates to output array */
-      if( $flat )
+        if( $flat )
         $result[] = $component->copy(); // copy to output;
-      elseif( $split ) {
+        elseif( $split ) {
         if( $endWdate > $endDate )
-          $endWdate = $endDate;     // use period end date
+            $endWdate = $endDate;     // use period end date
         if( !isset( $exdatelist[$startWdate] ))  { // check excluded dates
-          if( $startWdate < $startDate )
+            if( $startWdate < $startDate )
             $startWdate = $startDate; // use period start date
-          while( $startWdate <= $endWdate ) { // iterate
+            while( $startWdate <= $endWdate ) { // iterate
             $wd = getdate( $startWdate );
             $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component->copy(); // copy to output
             $startWdate += ( 24*60*60 ); // step one day
-          }
+            }
         }
-      } // use component date
-      elseif( !isset( $exdatelist[$startWdate] ) &&   // check excluded dates
+        } // use component date
+        elseif( !isset( $exdatelist[$startWdate] ) &&   // check excluded dates
             ( $startWdate >= $startDate )) {          // within period
         $wd = getdate( $startWdate );
         $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component->copy(); // copy to output
-      }
+        }
     }
     if( 0 >= count( $result )) return FALSE;
     elseif( !$flat ) {
-      foreach( $result as $y => $yeararr ) {
+        foreach( $result as $y => $yeararr ) {
         foreach( $yeararr as $m => $montharr ) {
-          ksort( $result[$y][$m] );
+            ksort( $result[$y][$m] );
         }
         ksort( $result[$y] );
-      }
-      ksort( $result );
+        }
+        ksort( $result );
     }
     return $result;
-  }
+    }
 /**
- * add calendar component to container
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-08-06
- * @param object $component calendar component
- * @param mixed $arg1 optional, ordno/component type/ component uid
- * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return void
- */
-  function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
+     * add calendar component to container
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-08-06
+     * @param object $component calendar component
+     * @param mixed $arg1 optional, ordno/component type/ component uid
+     * @param mixed $arg2 optional, ordno if arg1 = component type
+     * @return void
+     */
+    function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
     if( '' >= $component->getConfig( 'language'))
-      $component->setConfig( 'language',  $this->getConfig( 'language' ));
+        $component->setConfig( 'language',  $this->getConfig( 'language' ));
     $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
     $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
     $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
     $component->setConfig( 'format',      $this->getConfig( 'format' ));
     if( !in_array( $component->objName, array( 'valarm', 'vtimezone' ))) {
-      unset( $component->propix );
+        unset( $component->propix );
             /* make sure dtstamp and uid is set */
-      $dummy1 = $component->getProperty( 'dtstamp' );
-      $dummy2 = $component->getProperty( 'uid' );
+        $dummy1 = $component->getProperty( 'dtstamp' );
+        $dummy2 = $component->getProperty( 'uid' );
     }
     if( !$arg1 ) {
-      $this->components[] = $component->copy();
-      return TRUE;
+        $this->components[] = $component->copy();
+        return TRUE;
     }
     $argType = $index = null;
     if ( ctype_digit( (string) $arg1 )) {
-      $argType = 'INDEX';
-      $index   = (int) $arg1 - 1;
+        $argType = 'INDEX';
+        $index   = (int) $arg1 - 1;
     }
     elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
+        $argType = strtolower( $arg1 );
+        $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
     }
     $cix1sC = 0;
     foreach ( $this->components as $cix => $component2) {
-      if( empty( $component2 )) continue;
-      unset( $component2->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+        if( empty( $component2 )) continue;
+        unset( $component2->propix );
+        if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         $this->components[$cix] = $component->copy();
         return TRUE;
-      }
-      elseif( $argType == $component2->objName ) {
+        }
+        elseif( $argType == $component2->objName ) {
         if( $index == $cix1sC ) {
-          $this->components[$cix] = $component->copy();
-          return TRUE;
+            $this->components[$cix] = $component->copy();
+            return TRUE;
         }
         $cix1sC++;
-      }
-      elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) {
+        }
+        elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) {
         $this->components[$cix] = $component->copy();
         return TRUE;
-      }
+        }
     }
             /* not found.. . insert last in chain anyway .. .*/
     $this->components[] = $component->copy();
     return TRUE;
-  }
+    }
 /**
- * sort iCal compoments, only local date sort
- *
- * ascending sort on properties (if exist) x-current-dtstart, dtstart,
- * x-current-dtend, dtend, x-current-due, due, duration, created, dtstamp, uid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-09-24
- * @return sort param
- *
- */
-  function sort() {
+     * sort iCal compoments, only local date sort
+     *
+     * ascending sort on properties (if exist) x-current-dtstart, dtstart,
+     * x-current-dtend, dtend, x-current-due, due, duration, created, dtstamp, uid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-09-24
+     * @return sort param
+     *
+     */
+    function sort() {
     if( is_array( $this->components )) {
-      $this->_sortkeys = array( 'year', 'month', 'day', 'hour', 'min', 'sec' );
-      usort( $this->components, array( $this, '_cmpfcn' ));
+        $this->_sortkeys = array( 'year', 'month', 'day', 'hour', 'min', 'sec' );
+        usort( $this->components, array( $this, '_cmpfcn' ));
     }
-  }
-  function _cmpfcn( $a, $b ) {
+    }
+    function _cmpfcn( $a, $b ) {
     if( empty( $a ))                                   return -1;
     if( empty( $b ))                                   return  1;
     if(  'vtimezone' == $a->objName)                   return -1;
     if(  'vtimezone' == $b->objName)                   return  1;
     $astart = ( isset( $a->xprop['X-CURRENT-DTSTART']['value'] )) ? $a->_date_time_string( $a->xprop['X-CURRENT-DTSTART']['value'] ) : null;
     if( empty( $astart ) && isset( $a->dtstart['value'] ))
-      $astart = & $a->dtstart['value'];
+        $astart = & $a->dtstart['value'];
     $bstart = ( isset( $b->xprop['X-CURRENT-DTSTART']['value'] )) ? $b->_date_time_string( $b->xprop['X-CURRENT-DTSTART']['value'] ) : null;
     if( empty( $bstart ) && isset( $b->dtstart['value'] ))
-      $bstart = & $b->dtstart['value'];
+        $bstart = & $b->dtstart['value'];
     if(     empty( $astart ))                          return -1;
     elseif( empty( $bstart ))                          return  1;
     foreach( $this->_sortkeys as $key ) {
-      if    ( empty( $astart[$key] ))                  return -1;
-      elseif( empty( $bstart[$key] ))                  return  1;
-      if    (        $astart[$key] == $bstart[$key])   continue;
-      if    (( (int) $astart[$key] ) < ((int) $bstart[$key] ))
-                                                       return -1;
-      elseif(( (int) $astart[$key] ) > ((int) $bstart[$key] ))
-                                                       return  1;
+        if    ( empty( $astart[$key] ))                  return -1;
+        elseif( empty( $bstart[$key] ))                  return  1;
+        if    (        $astart[$key] == $bstart[$key])   continue;
+        if    (( (int) $astart[$key] ) < ((int) $bstart[$key] ))
+                                                        return -1;
+        elseif(( (int) $astart[$key] ) > ((int) $bstart[$key] ))
+                                                        return  1;
     }
     $c   = ( isset( $a->xprop['X-CURRENT-DTEND']['value'] )) ? $a->_date_time_string( $a->xprop['X-CURRENT-DTEND']['value'] ) : null;
     if(     empty( $c ) && !empty( $a->dtend['value'] ))
-      $c = & $a->dtend['value'];
+        $c = & $a->dtend['value'];
     if(     empty( $c ) && isset( $a->xprop['X-CURRENT-DUE']['value'] ))
-      $c = $a->_date_time_string( $a->xprop['X-CURRENT-DUE']['value'] );
+        $c = $a->_date_time_string( $a->xprop['X-CURRENT-DUE']['value'] );
     if(     empty( $c ) && !empty( $a->due['value'] ))
-      $c = & $a->due['value'];
+        $c = & $a->due['value'];
     if(     empty( $c ) && !empty( $a->duration['value'] ))
-      $c = $a->duration2date();
+        $c = $a->duration2date();
     $d   = ( isset( $b->xprop['X-CURRENT-DTEND']['value'] )) ? $b->_date_time_string( $b->xprop['X-CURRENT-DTEND']['value'] ) : null;
     if(     empty( $d ) && !empty( $b->dtend['value'] ))
-      $d = & $b->dtend['value'];
+        $d = & $b->dtend['value'];
     if(     empty( $d ) && isset( $b->xprop['X-CURRENT-DUE']['value'] ))
-      $d = $b->_date_time_string( $b->xprop['X-CURRENT-DUE']['value'] );
+        $d = $b->_date_time_string( $b->xprop['X-CURRENT-DUE']['value'] );
     if(     empty( $d ) && !empty( $b->due['value'] ))
-      $d = & $b->due['value'];
+        $d = & $b->due['value'];
     if(     empty( $d ) && !empty( $b->duration['value'] ))
-      $d = $b->duration2date();
+        $d = $b->duration2date();
     if(     empty( $c ))                               return -1;
     elseif( empty( $d ))                               return  1;
     foreach( $this->_sortkeys as $key ) {
-      if    ( !isset( $c[$key] ))                      return -1;
-      elseif( !isset( $d[$key] ))                      return  1;
-      if    (         $c[$key] == $d[$key] )           continue;
-      if    ((  (int) $c[$key] ) < ((int) $d[$key]))   return -1;
-      elseif((  (int) $c[$key] ) > ((int) $d[$key]))   return  1;
+        if    ( !isset( $c[$key] ))                      return -1;
+        elseif( !isset( $d[$key] ))                      return  1;
+        if    (         $c[$key] == $d[$key] )           continue;
+        if    ((  (int) $c[$key] ) < ((int) $d[$key]))   return -1;
+        elseif((  (int) $c[$key] ) > ((int) $d[$key]))   return  1;
     }
     if( isset( $a->created['value'] ))
-     $e = & $a->created['value'];
+        $e = & $a->created['value'];
     else
-     $e = & $a->dtstamp['value'];
+        $e = & $a->dtstamp['value'];
     if( isset( $b->created['value'] ))
-      $f = & $b->created['value'];
+        $f = & $b->created['value'];
     else
-      $f = & $b->dtstamp['value'];
+        $f = & $b->dtstamp['value'];
     foreach( $this->_sortkeys as $key ) {
-      if(       !isset( $e[$key] ))                    return -1;
-      elseif(   !isset( $f[$key] ))                    return  1;
-      if    (           $e[$key] == $f[$key] )         continue;
-      if    ((    (int) $e[$key] ) < ((int) $f[$key])) return -1;
-      elseif((    (int) $e[$key] ) > ((int) $f[$key])) return  1;
+        if(       !isset( $e[$key] ))                    return -1;
+        elseif(   !isset( $f[$key] ))                    return  1;
+        if    (           $e[$key] == $f[$key] )         continue;
+        if    ((    (int) $e[$key] ) < ((int) $f[$key])) return -1;
+        elseif((    (int) $e[$key] ) > ((int) $f[$key])) return  1;
     }
     if    ((            $a->uid['value'] ) <
-           (            $b->uid['value'] ))            return -1;
+            (            $b->uid['value'] ))            return -1;
     elseif((            $a->uid['value'] ) >
-           (            $b->uid['value'] ))            return  1;
+            (            $b->uid['value'] ))            return  1;
     return 0;
-  }
+    }
 /**
- * parse iCal file into vcalendar, components, properties and parameters
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-08-06
- * @param string $filename optional filname (incl. opt. directory/path) or URL
- * @return bool FALSE if error occurs during parsing
- *
- */
-  function parse( $filename=FALSE ) {
+     * parse iCal file into vcalendar, components, properties and parameters
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-08-06
+     * @param string $filename optional filname (incl. opt. directory/path) or URL
+     * @return bool FALSE if error occurs during parsing
+     *
+     */
+    function parse( $filename=FALSE ) {
     if( !$filename ) {
             /* directory/filename previous set via setConfig directory+filename / url */
-      if( FALSE === ( $filename = $this->getConfig( 'url' )))
+        if( FALSE === ( $filename = $this->getConfig( 'url' )))
         $filename = $this->getConfig( 'dirfile' );
     }
     elseif(( 'http://'   == strtolower( substr( $filename, 0, 7 ))) ||
            ( 'webcal://' == strtolower( substr( $filename, 0, 9 ))))  {
             /* remote file - URL */
-      $this->setConfig( 'URL', $filename );
-      if( !$filename = $this->getConfig( 'url' ))
+        $this->setConfig( 'URL', $filename );
+        if( !$filename = $this->getConfig( 'url' ))
         return FALSE;                 /* err 2 */
     }
     else {
             /* local directory/filename */
-      $parts = pathinfo( $filename );
-      if( !empty( $parts['dirname'] ) && ( '.' != $parts['dirname'] )) {
+        $parts = pathinfo( $filename );
+        if( !empty( $parts['dirname'] ) && ( '.' != $parts['dirname'] )) {
         if( !$this->setConfig( 'directory', $parts['dirname'] ))
-          return FALSE;               /* err 3 */
-      }
-      if( !$this->setConfig( 'filename', $parts['basename'] ))
+            return FALSE;               /* err 3 */
+        }
+        if( !$this->setConfig( 'filename', $parts['basename'] ))
         return FALSE;                 /* err 4 */
     }
     if( 'http://' != substr( $filename, 0, 7 )) {
             /* local file error tests */
-      if( !is_file( $filename ))      /* err 5 */
+        if( !is_file( $filename ))      /* err 5 */
         return FALSE;
-      if( !is_readable( $filename ))
+        if( !is_readable( $filename ))
         return FALSE;                 /* err 6 */
-      if( !filesize( $filename ))
+        if( !filesize( $filename ))
         return FALSE;                 /* err 7 */
-      clearstatcache();
+        clearstatcache();
     }
             /* READ FILE */
     if( FALSE === ( $rows = file( $filename )))
-      return FALSE;                   /* err 1 */
+        return FALSE;                   /* err 1 */
             /* identify BEGIN:VCALENDAR, MUST be first row */
     if( 'BEGIN:VCALENDAR' != strtoupper( trim( $rows[0] )))
-      return FALSE;                   /* err 8 */
+        return FALSE;                   /* err 8 */
             /* remove empty trailing lines */
     while( '' == trim( $rows[count( $rows ) - 1] )) {
-      unset( $rows[count( $rows ) - 1] );
-      $rows  = array_values( $rows );
+        unset( $rows[count( $rows ) - 1] );
+        $rows  = array_values( $rows );
     }
             /* identify ending END:VCALENDAR row */
     if( 'END:VCALENDAR'   != strtoupper( trim( $rows[count( $rows ) - 1] ))) {
-      return FALSE;                   /* err 9 */
+        return FALSE;                   /* err 9 */
     }
     if( 3 > count( $rows ))
-      return FALSE;                   /* err 10 */
+        return FALSE;                   /* err 10 */
     $comp    = $subcomp = null;
     $actcomp = & $this;
     $nl      = $this->getConfig( 'nl' );
     $calsync = 0;
             /* identify components and update unparsed data within component */
     foreach( $rows as $line ) {
-      if( '' == trim( $line ))
+        if( '' == trim( $line ))
         continue;
-      if( $nl == substr( $line, 0 - strlen( $nl )))
+        if( $nl == substr( $line, 0 - strlen( $nl )))
         $line = substr( $line, 0, ( strlen( $line ) - strlen( $nl ))).'\n';
-      if( 'BEGIN:VCALENDAR' == strtoupper( substr( $line, 0, 15 ))) {
+        if( 'BEGIN:VCALENDAR' == strtoupper( substr( $line, 0, 15 ))) {
         $calsync++;
         continue;
-      }
-      elseif( 'END:VCALENDAR' == strtoupper( substr( $line, 0, 13 ))) {
+        }
+        elseif( 'END:VCALENDAR' == strtoupper( substr( $line, 0, 13 ))) {
         $calsync--;
         continue;
-      }
-      elseif( 1 != $calsync )
+        }
+        elseif( 1 != $calsync )
         return FALSE;                 /* err 20 */
-      if( 'END:' == strtoupper( substr( $line, 0, 4 ))) {
+        if( 'END:' == strtoupper( substr( $line, 0, 4 ))) {
         if( null != $subcomp ) {
-          $comp->setComponent( $subcomp );
-          $subcomp = null;
+            $comp->setComponent( $subcomp );
+            $subcomp = null;
         }
         else {
-          $this->setComponent( $comp );
-          $comp = null;
+            $this->setComponent( $comp );
+            $comp = null;
         }
         $actcomp = null;
         continue;
-      } // end - if ( 'END:' ==.. .
-      elseif( 'BEGIN:' == strtoupper( substr( $line, 0, 6 ))) {
+        } // end - if ( 'END:' ==.. .
+        elseif( 'BEGIN:' == strtoupper( substr( $line, 0, 6 ))) {
         $line = str_replace( '\n', '', $line );
         $compname = trim (strtoupper( substr( $line, 6 )));
         if( null != $comp ) {
-          if( 'VALARM' == $compname )
+            if( 'VALARM' == $compname )
             $subcomp = new valarm();
-          elseif( 'STANDARD' == $compname )
+            elseif( 'STANDARD' == $compname )
             $subcomp = new vtimezone( 'STANDARD' );
-          elseif( 'DAYLIGHT' == $compname )
+            elseif( 'DAYLIGHT' == $compname )
             $subcomp = new vtimezone( 'DAYLIGHT' );
-          else
+            else
             return FALSE; /* err 6 */
-          $actcomp = & $subcomp;
+            $actcomp = & $subcomp;
         }
         else {
-          switch( $compname ) {
+            switch( $compname ) {
             case 'VALARM':
               $comp = new valarm();
-              break;
+                break;
             case 'VEVENT':
               $comp = new vevent();
-              break;
+                break;
             case 'VFREEBUSY';
-              $comp = new vfreebusy();
-              break;
+                $comp = new vfreebusy();
+                break;
             case 'VJOURNAL':
               $comp = new vjournal();
-              break;
+                break;
             case 'VTODO':
               $comp = new vtodo();
-              break;
+                break;
             case 'VTIMEZONE':
               $comp = new vtimezone();
-              break;
+                break;
             default:
               return FALSE; // err 7
-              break;
-          } // end - switch
-          $actcomp = & $comp;
+                break;
+            } // end - switch
+            $actcomp = & $comp;
         }
         continue;
-      } // end - elsif ( 'BEGIN:'.. .
+        } // end - elsif ( 'BEGIN:'.. .
             /* update selected component with unparsed data */
-      $actcomp->unparsed[] = $line;
+        $actcomp->unparsed[] = $line;
     } // end - foreach( rows.. .
             /* parse data for calendar (this) object */
     if( is_array( $this->unparsed ) && ( 0 < count( $this->unparsed ))) {
             /* concatenate property values spread over several lines */
-      $lastix    = -1;
-      $propnames = array( 'calscale','method','prodid','version','x-' );
-      $proprows  = array();
-      foreach( $this->unparsed as $line ) {
+        $lastix    = -1;
+        $propnames = array( 'calscale','method','prodid','version','x-' );
+        $proprows  = array();
+        foreach( $this->unparsed as $line ) {
         $newProp = FALSE;
         foreach ( $propnames as $propname ) {
-          if( $propname == strtolower( substr( $line, 0, strlen( $propname )))) {
+            if( $propname == strtolower( substr( $line, 0, strlen( $propname )))) {
             $newProp = TRUE;
             break;
-          }
+            }
         }
         if( $newProp ) {
-          $newProp = FALSE;
-          $lastix++;
-          $proprows[$lastix]  = $line;
+            $newProp = FALSE;
+            $lastix++;
+            $proprows[$lastix]  = $line;
         }
         else {
             /* remove line breaks */
-          if(( '\n' == substr( $proprows[$lastix], -2 )) &&
+            if(( '\n' == substr( $proprows[$lastix], -2 )) &&
              (  ' ' == substr( $line, 0, 1 ))) {
             $proprows[$lastix] = substr( $proprows[$lastix], 0, strlen( $proprows[$lastix] ) - 2 );
             $line = substr( $line, 1 );
-          }
-          $proprows[$lastix] .= $line;
+            }
+            $proprows[$lastix] .= $line;
         }
-      }
-      $toolbox = new calendarComponent();
-      foreach( $proprows as $line ) {
+        }
+        $toolbox = new calendarComponent();
+        foreach( $proprows as $line ) {
         if( '\n' == substr( $line, -2 ))
-          $line = substr( $line, 0, strlen( $line ) - 2 );
+            $line = substr( $line, 0, strlen( $line ) - 2 );
             /* get propname */
         $cix = $propname = null;
         for( $cix=0; $cix < strlen( $line ); $cix++ ) {
-          if( in_array( $line{$cix}, array( ':', ';' )))
+            if( in_array( $line{$cix}, array( ':', ';' )))
             break;
-          else
+            else
             $propname .= $line{$cix};
         }
             /* ignore version/prodid properties */
         if( in_array( strtoupper( $propname ), array( 'VERSION', 'PRODID' )))
-          continue;
+            continue;
         $line = substr( $line, $cix);
             /* separate attributes from value */
         $attr   = array();
         $attrix = -1;
         $strlen = strlen( $line );
         for( $cix=0; $cix < $strlen; $cix++ ) {
-          if((       ':'   == $line{$cix} )             &&
+            if((       ':'   == $line{$cix} )             &&
                    ( '://' != substr( $line, $cix, 3 )) &&
              ( 'mailto:'   != strtolower( substr( $line, $cix - 6, 7 )))) {
             $attrEnd = TRUE;
             if(( $cix < ( $strlen - 4 )) &&
                  ctype_digit( substr( $line, $cix+1, 4 ))) { // an URI with a (4pos) portnr??
-              for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) {
+                for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) {
                 if( '://' == substr( $line, $c2ix - 2, 3 )) {
-                  $attrEnd = FALSE;
-                  break; // an URI with a portnr!!
+                    $attrEnd = FALSE;
+                    break; // an URI with a portnr!!
+                }
                 }
-              }
             }
             if( $attrEnd) {
-              $line = substr( $line, $cix + 1 );
-              break;
+                $line = substr( $line, $cix + 1 );
+                break;
+            }
             }
-          }
-          if( ';' == $line{$cix} )
+            if( ';' == $line{$cix} )
             $attr[++$attrix] = null;
-          else
+            else
             $attr[$attrix] .= $line{$cix};
         }
 
             /* make attributes in array format */
         $propattr = array();
         foreach( $attr as $attribute ) {
-          $attrsplit = explode( '=', $attribute, 2 );
-          if( 1 < count( $attrsplit ))
+            $attrsplit = explode( '=', $attribute, 2 );
+            if( 1 < count( $attrsplit ))
             $propattr[$attrsplit[0]] = $attrsplit[1];
-          else
+            else
             $propattr[] = $attribute;
         }
             /* update Property */
         if( FALSE !== strpos( $line, ',' )) {
-          $content  = explode( ',', $line );
-          $clen     = count( $content );
-          for( $cix = 0; $cix < $clen; $cix++ ) {
+            $content  = explode( ',', $line );
+            $clen     = count( $content );
+            for( $cix = 0; $cix < $clen; $cix++ ) {
             if( "\\" == substr( $content[$cix], -1 )) {
-              $content[$cix] .= ','.$content[$cix + 1];
-              unset( $content[$cix + 1] );
-              $cix++;
+                $content[$cix] .= ','.$content[$cix + 1];
+                unset( $content[$cix + 1] );
+                $cix++;
+            }
             }
-          }
-          if( 1 < count( $content )) {
+            if( 1 < count( $content )) {
             foreach( $content as $cix => $contentPart )
-              $content[$cix] = $toolbox->_strunrep( $contentPart );
+                $content[$cix] = $toolbox->_strunrep( $contentPart );
             $this->setProperty( $propname, $content, $propattr );
             continue;
-          }
-          else
+            }
+            else
             $line = reset( $content );
-          $line = $toolbox->_strunrep( $line );
+            $line = $toolbox->_strunrep( $line );
         }
         $this->setProperty( $propname, trim( $line ), $propattr );
-      } // end - foreach( $this->unparsed.. .
+        } // end - foreach( $this->unparsed.. .
     } // end - if( is_array( $this->unparsed.. .
             /* parse Components */
     if( is_array( $this->components ) && ( 0 < count( $this->components ))) {
-      for( $six = 0; $six < count( $this->components ); $six++ ) {
+        for( $six = 0; $six < count( $this->components ); $six++ ) {
         if( !empty( $this->components[$six] ))
-          $this->components[$six]->parse();
-      }
+            $this->components[$six]->parse();
+        }
     }
     else
-      return FALSE;                   /* err 91 or something.. . */
+        return FALSE;                   /* err 91 or something.. . */
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * creates formatted output for calendar object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-08-06
- * @return string
- */
-  function createCalendar() {
+     * creates formatted output for calendar object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-08-06
+     * @return string
+     */
+    function createCalendar() {
     $calendarInit1 = $calendarInit2 = $calendarxCaldecl = $calendarStart = $calendar = null;
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         $calendarInit1 = '<?xml version="1.0" encoding="UTF-8"?>'.$this->nl.
-                         '<!DOCTYPE iCalendar PUBLIC "-//IETF//DTD XCAL/iCalendar XML//EN"'.$this->nl.
-                         '"http://www.ietf.org/internet-drafts/draft-ietf-calsch-many-xcal-01.txt"';
+                            '<!DOCTYPE iCalendar PUBLIC "-//IETF//DTD XCAL/iCalendar XML//EN"'.$this->nl.
+                            '"http://www.ietf.org/internet-drafts/draft-ietf-calsch-many-xcal-01.txt"';
         $calendarInit2 = '>'.$this->nl;
         $calendarStart = '<vcalendar';
         break;
-      default:
+        default:
         $calendarStart = 'BEGIN:VCALENDAR'.$this->nl;
         break;
     }
@@ -1480,217 +1479,217 @@ 
     $calendarStart .= $this->createProdid();
     $calendarStart .= $this->createVersion();
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         $nlstrlen = strlen( $this->nl );
         if( $this->nl == substr( $calendarStart, ( 0 - $nlstrlen )))
-          $calendarStart = substr( $calendarStart, 0, ( strlen( $calendarStart ) - $nlstrlen ));
+            $calendarStart = substr( $calendarStart, 0, ( strlen( $calendarStart ) - $nlstrlen ));
         $calendarStart .= '>'.$this->nl;
         break;
-      default:
+        default:
         break;
     }
     $calendar .= $this->createXprop();
     foreach( $this->components as $component ) {
-      if( empty( $component )) continue;
-      if( '' >= $component->getConfig( 'language'))
+        if( empty( $component )) continue;
+        if( '' >= $component->getConfig( 'language'))
         $component->setConfig( 'language',  $this->getConfig( 'language' ));
-      $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
-      $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
-      $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
-      $component->setConfig( 'format',      $this->getConfig( 'format' ));
-      $calendar .= $component->createComponent( $this->xcaldecl );
+        $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
+        $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
+        $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
+        $component->setConfig( 'format',      $this->getConfig( 'format' ));
+        $calendar .= $component->createComponent( $this->xcaldecl );
     }
     if(( 0 < count( $this->xcaldecl )) && ( 'xcal' == $this->format )) { // xCal only
-      $calendarInit1 .= $this->nl.'['.$this->nl;
-      $old_xcaldecl = array();
-      foreach( $this->xcaldecl as $declix => $declPart ) {
+        $calendarInit1 .= $this->nl.'['.$this->nl;
+        $old_xcaldecl = array();
+        foreach( $this->xcaldecl as $declix => $declPart ) {
         if(( 0 < count( $old_xcaldecl)) &&
            ( in_array( $declPart['uri'],      $old_xcaldecl['uri'] )) &&
            ( in_array( $declPart['external'], $old_xcaldecl['external'] )))
-          continue; // no duplicate uri and ext. references
+            continue; // no duplicate uri and ext. references
         $calendarxCaldecl .= '<!';
         foreach( $declPart as $declKey => $declValue ) {
-          switch( $declKey ) {                    // index
+            switch( $declKey ) {                    // index
             case 'xmldecl':                       // no 1
               $calendarxCaldecl .= $declValue.' ';
-              break;
+                break;
             case 'uri':                           // no 2
               $calendarxCaldecl .= $declValue.' ';
-              $old_xcaldecl['uri'][] = $declValue;
-              break;
+                $old_xcaldecl['uri'][] = $declValue;
+                break;
             case 'ref':                           // no 3
               $calendarxCaldecl .= $declValue.' ';
-              break;
+                break;
             case 'external':                      // no 4
               $calendarxCaldecl .= '"'.$declValue.'" ';
-              $old_xcaldecl['external'][] = $declValue;
-              break;
+                $old_xcaldecl['external'][] = $declValue;
+                break;
             case 'type':                          // no 5
               $calendarxCaldecl .= $declValue.' ';
-              break;
+                break;
             case 'type2':                         // no 6
               $calendarxCaldecl .= $declValue;
-              break;
-          }
+                break;
+            }
         }
         $calendarxCaldecl .= '>'.$this->nl;
-      }
-      $calendarInit2 = ']'.$calendarInit2;
+        }
+        $calendarInit2 = ']'.$calendarInit2;
     }
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         $calendar .= '</vcalendar>'.$this->nl;
         break;
-      default:
+        default:
         $calendar .= 'END:VCALENDAR'.$this->nl;
         break;
     }
     return $calendarInit1.$calendarxCaldecl.$calendarInit2.$calendarStart.$calendar;
-  }
+    }
 /**
- * a HTTP redirect header is sent with created, updated and/or parsed calendar
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.12 - 2007-10-23
- * @return redirect
- */
-  function returnCalendar() {
+     * a HTTP redirect header is sent with created, updated and/or parsed calendar
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.12 - 2007-10-23
+     * @return redirect
+     */
+    function returnCalendar() {
     $filename = $this->getConfig( 'filename' );
     $output   = $this->createCalendar();
     $filesize = strlen( $output );
 //    if( headers_sent( $filename, $linenum ))
 //      die( "Headers already sent in $filename on line $linenum\n" );
     if( 'xcal' == $this->format )
-      header( 'Content-Type: application/calendar+xml; charset=utf-8' );
+        header( 'Content-Type: application/calendar+xml; charset=utf-8' );
     else
-      header( 'Content-Type: text/calendar; charset=utf-8' );
+        header( 'Content-Type: text/calendar; charset=utf-8' );
     header( 'Content-Length: '.$filesize );
     header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
     header( 'Cache-Control: max-age=10' );
     echo $output;
     die();
-  }
+    }
 /**
- * save content in a file
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.12 - 2007-12-30
- * @param string $directory optional
- * @param string $filename optional
- * @param string $delimiter optional
- * @return bool
- */
-  function saveCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE ) {
+     * save content in a file
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.12 - 2007-12-30
+     * @param string $directory optional
+     * @param string $filename optional
+     * @param string $delimiter optional
+     * @return bool
+     */
+    function saveCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE ) {
     if( $directory )
-      $this->setConfig( 'directory', $directory );
+        $this->setConfig( 'directory', $directory );
     if( $filename )
-      $this->setConfig( 'filename',  $filename );
+        $this->setConfig( 'filename',  $filename );
     if( $delimiter && ($delimiter != DIRECTORY_SEPARATOR ))
-      $this->setConfig( 'delimiter', $delimiter );
+        $this->setConfig( 'delimiter', $delimiter );
     if( FALSE === ( $dirfile = $this->getConfig( 'url' )))
-      $dirfile = $this->getConfig( 'dirfile' );
+        $dirfile = $this->getConfig( 'dirfile' );
     $iCalFile = @fopen( $dirfile, 'w' );
     if( $iCalFile ) {
-      if( FALSE === fwrite( $iCalFile, $this->createCalendar() ))
+        if( FALSE === fwrite( $iCalFile, $this->createCalendar() ))
         return FALSE;
-      fclose( $iCalFile );
-      return TRUE;
+        fclose( $iCalFile );
+        return TRUE;
     }
     else
-      return FALSE;
-  }
+        return FALSE;
+    }
 /**
- * if recent version of calendar file exists (default one hour), an HTTP redirect header is sent
- * else FALSE is returned
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.12 - 2007-10-28
- * @param string $directory optional alt. int timeout
- * @param string $filename optional
- * @param string $delimiter optional
- * @param int timeout optional, default 3600 sec
- * @return redirect/FALSE
- */
-  function useCachedCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE, $timeout=3600) {
+     * if recent version of calendar file exists (default one hour), an HTTP redirect header is sent
+     * else FALSE is returned
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.12 - 2007-10-28
+     * @param string $directory optional alt. int timeout
+     * @param string $filename optional
+     * @param string $delimiter optional
+     * @param int timeout optional, default 3600 sec
+     * @return redirect/FALSE
+     */
+    function useCachedCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE, $timeout=3600) {
     if ( $directory && ctype_digit( (string) $directory ) && !$filename ) {
-      $timeout   = (int) $directory;
-      $directory = FALSE;
+        $timeout   = (int) $directory;
+        $directory = FALSE;
     }
     if( $directory )
-      $this->setConfig( 'directory', $directory );
+        $this->setConfig( 'directory', $directory );
     if( $filename )
-      $this->setConfig( 'filename',  $filename );
+        $this->setConfig( 'filename',  $filename );
     if( $delimiter && ( $delimiter != DIRECTORY_SEPARATOR ))
-      $this->setConfig( 'delimiter', $delimiter );
+        $this->setConfig( 'delimiter', $delimiter );
     $filesize    = $this->getConfig( 'filesize' );
     if( 0 >= $filesize )
-      return FALSE;
+        return FALSE;
     $dirfile     = $this->getConfig( 'dirfile' );
     if( time() - filemtime( $dirfile ) < $timeout) {
-      clearstatcache();
-      $dirfile   = $this->getConfig( 'dirfile' );
-      $filename  = $this->getConfig( 'filename' );
+        clearstatcache();
+        $dirfile   = $this->getConfig( 'dirfile' );
+        $filename  = $this->getConfig( 'filename' );
 //    if( headers_sent( $filename, $linenum ))
 //      die( "Headers already sent in $filename on line $linenum\n" );
-      if( 'xcal' == $this->format )
+        if( 'xcal' == $this->format )
         header( 'Content-Type: application/calendar+xml; charset=utf-8' );
-      else
+        else
         header( 'Content-Type: text/calendar; charset=utf-8' );
-      header( 'Content-Length: '.$filesize );
-      header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
-      header( 'Cache-Control: max-age=10' );
-      $fp = @$fopen( $dirfile, 'r' );
-      if( $fp ) {
+        header( 'Content-Length: '.$filesize );
+        header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
+        header( 'Cache-Control: max-age=10' );
+        $fp = @$fopen( $dirfile, 'r' );
+        if( $fp ) {
         fpassthru( $fp );
         fclose( $fp );
-      }
-      die();
+        }
+        die();
     }
     else
-      return FALSE;
-  }
+        return FALSE;
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- *  abstract class for calendar components
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.19 - 2008-10-12
- */
+     *  abstract class for calendar components
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.19 - 2008-10-12
+     */
 class calendarComponent {
             //  component property variables
-  var $uid;
-  var $dtstamp;
+    var $uid;
+    var $dtstamp;
 
             //  component config variables
-  var $allowEmpty;
-  var $language;
-  var $nl;
-  var $unique_id;
-  var $format;
-  var $objName; // created automatically at instance creation
+    var $allowEmpty;
+    var $language;
+    var $nl;
+    var $unique_id;
+    var $format;
+    var $objName; // created automatically at instance creation
             //  component internal variables
-  var $componentStart1;
-  var $componentStart2;
-  var $componentEnd1;
-  var $componentEnd2;
-  var $elementStart1;
-  var $elementStart2;
-  var $elementEnd1;
-  var $elementEnd2;
-  var $intAttrDelimiter;
-  var $attributeDelimiter;
-  var $valueInit;
+    var $componentStart1;
+    var $componentStart2;
+    var $componentEnd1;
+    var $componentEnd2;
+    var $elementStart1;
+    var $elementStart2;
+    var $elementEnd1;
+    var $elementEnd2;
+    var $intAttrDelimiter;
+    var $attributeDelimiter;
+    var $valueInit;
             //  component xCal declaration container
-  var $xcaldecl;
-/**
- * constructor for calendar component object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.19 - 2008-10-23
- */
-  function calendarComponent() {
+    var $xcaldecl;
+/**
+     * constructor for calendar component object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.19 - 2008-10-23
+     */
+    function calendarComponent() {
     $this->objName         = ( isset( $this->timezonetype )) ?
                           strtolower( $this->timezonetype )  :  get_class ( $this );
     $this->uid             = array();
@@ -1705,203 +1704,203 @@ 
 
     $this->_createFormat();
     $this->_makeDtstamp();
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: ACTION
- */
+     * Property Name: ACTION
+     */
 /**
- * creates formatted output for calendar component property action
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createAction() {
+     * creates formatted output for calendar component property action
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createAction() {
     if( empty( $this->action )) return FALSE;
     if( empty( $this->action['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ACTION' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ACTION' ) : FALSE;
     $attributes = $this->_createParams( $this->action['params'] );
     return $this->_createElement( 'ACTION', $attributes, $this->action['value'] );
-  }
+    }
 /**
- * set calendar component property action
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value  "AUDIO" / "DISPLAY" / "EMAIL" / "PROCEDURE"
- * @param mixed $params
- * @return bool
- */
-  function setAction( $value, $params=FALSE ) {
+     * set calendar component property action
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value  "AUDIO" / "DISPLAY" / "EMAIL" / "PROCEDURE"
+     * @param mixed $params
+     * @return bool
+     */
+    function setAction( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->action = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: ATTACH
- */
+     * Property Name: ATTACH
+     */
 /**
- * creates formatted output for calendar component property attach
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-23
- * @return string
- */
-  function createAttach() {
+     * creates formatted output for calendar component property attach
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-23
+     * @return string
+     */
+    function createAttach() {
     if( empty( $this->attach )) return FALSE;
     $output       = null;
     foreach( $this->attach as $attachPart ) {
-      if(! empty( $attachPart['value'] )) {
+        if(! empty( $attachPart['value'] )) {
         $attributes = $this->_createParams( $attachPart['params'] );
         $output    .= $this->_createElement( 'ATTACH', $attributes, $attachPart['value'] );
-      }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'ATTACH' );
+        }
+        elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'ATTACH' );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property attach
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-06
- * @param string $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setAttach( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property attach
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-06
+     * @param string $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setAttach( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->_setMval( $this->attach, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: ATTENDEE
- */
+     * Property Name: ATTENDEE
+     */
 /**
- * creates formatted output for calendar component property attendee
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-09-23
- * @return string
- */
-  function createAttendee() {
+     * creates formatted output for calendar component property attendee
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-09-23
+     * @return string
+     */
+    function createAttendee() {
     if( empty( $this->attendee )) return FALSE;
     $output = null;
     foreach( $this->attendee as $attendeePart ) {                      // start foreach 1
-      if( empty( $attendeePart['value'] )) {
+        if( empty( $attendeePart['value'] )) {
         if( $this->getConfig( 'allowEmpty' ))
-          $output .= $this->_createElement( 'ATTENDEE' );
+            $output .= $this->_createElement( 'ATTENDEE' );
         continue;
-      }
-      $attendee1 = $attendee2 = $attendeeLANG = $attendeeCN = null;
-      foreach( $attendeePart as $paramlabel => $paramvalue ) {         // start foreach 2
+        }
+        $attendee1 = $attendee2 = $attendeeLANG = $attendeeCN = null;
+        foreach( $attendeePart as $paramlabel => $paramvalue ) {         // start foreach 2
         if( 'value' == $paramlabel )
-          $attendee2  .= 'MAILTO:'.$paramvalue;
+            $attendee2  .= 'MAILTO:'.$paramvalue;
         elseif(( 'params' == $paramlabel ) && ( is_array( $paramvalue ))) { // start elseif
-          foreach( $paramvalue as $optparamlabel => $optparamvalue ) { // start foreach 3
+            foreach( $paramvalue as $optparamlabel => $optparamvalue ) { // start foreach 3
             $attendee11 = $attendee12 = null;
             if( is_int( $optparamlabel )) {
-              $attendee1 .= $this->intAttrDelimiter.$optparamvalue;
-              continue;
+                $attendee1 .= $this->intAttrDelimiter.$optparamvalue;
+                continue;
             }
             switch( $optparamlabel ) {                                 // start switch
-              case 'CUTYPE':
+                case 'CUTYPE':
               case 'PARTSTAT':
               case 'ROLE':
               case 'RSVP':
                 $attendee1 .= $this->intAttrDelimiter.$optparamlabel.'="'.$optparamvalue.'"';
                 break;
-              case 'SENT-BY':
+                case 'SENT-BY':
                 $attendee1 .= $this->intAttrDelimiter.'SENT-BY="MAILTO:'.$optparamvalue.'"';
                 break;
-              case 'MEMBER':
+                case 'MEMBER':
                 $attendee11 = $this->intAttrDelimiter.'MEMBER=';
-              case 'DELEGATED-TO':
+                case 'DELEGATED-TO':
                 $attendee11 = ( !$attendee11 ) ? $this->intAttrDelimiter.'DELEGATED-TO='   : $attendee11;
-              case 'DELEGATED-FROM':
+                case 'DELEGATED-FROM':
                 $attendee11 = ( !$attendee11 ) ? $this->intAttrDelimiter.'DELEGATED-FROM=' : $attendee11;
                 foreach( $optparamvalue  as $cix => $calUserAddress ) {
-                  $attendee12 .= ( $cix ) ? ',' : null;
-                  $attendee12 .= '"MAILTO:'.$calUserAddress.'"';
+                    $attendee12 .= ( $cix ) ? ',' : null;
+                    $attendee12 .= '"MAILTO:'.$calUserAddress.'"';
                 }
                 $attendee1  .= $attendee11.$attendee12;
                 break;
-              case 'CN':
+                case 'CN':
                 $attendeeCN .= $this->intAttrDelimiter.'CN="'.$optparamvalue.'"';
                 break;
-              case 'DIR':
+                case 'DIR':
                 $attendee1 .= $this->intAttrDelimiter.'DIR="'.$optparamvalue.'"';
                 break;
-              case 'LANGUAGE':
+                case 'LANGUAGE':
                 $attendeeLANG .= $this->intAttrDelimiter.'LANGUAGE='.$optparamvalue;
                 break;
-              default:
+                default:
                 $attendee1 .= $this->intAttrDelimiter."$optparamlabel=$optparamvalue";
                 break;
             }    // end switch
-          }      // end foreach 3
+            }      // end foreach 3
         }        // end elseif
-      }          // end foreach 2
-      $output .= $this->_createElement( 'ATTENDEE', $attendee1.$attendeeLANG.$attendeeCN, $attendee2 );
+        }          // end foreach 2
+        $output .= $this->_createElement( 'ATTENDEE', $attendee1.$attendeeLANG.$attendeeCN, $attendee2 );
     }              // end foreach 1
     return $output;
-  }
+    }
 /**
- * set calendar component property attach
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param string $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setAttendee( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property attach
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param string $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setAttendee( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $value = str_replace ( 'MAILTO:', '', $value );
     $value = str_replace ( 'mailto:', '', $value );
     $params2 = array();
     if( is_array($params )) {
-      $optarrays = array();
-      foreach( $params as $optparamlabel => $optparamvalue ) {
+        $optarrays = array();
+        foreach( $params as $optparamlabel => $optparamvalue ) {
         $optparamlabel = strtoupper( $optparamlabel );
         switch( $optparamlabel ) {
-          case 'MEMBER':
+            case 'MEMBER':
           case 'DELEGATED-TO':
           case 'DELEGATED-FROM':
             if( is_array( $optparamvalue )) {
-              foreach( $optparamvalue as $part ) {
+                foreach( $optparamvalue as $part ) {
                 $part = str_replace( 'MAILTO:', '', $part );
                 $part = str_replace( 'mailto:', '', $part );
                 if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
-                  $part = substr( $part, 1, ( strlen($part)-2 ));
+                    $part = substr( $part, 1, ( strlen($part)-2 ));
                 $optarrays[$optparamlabel][] = $part;
-              }
+                }
             }
             else {
-              $part = str_replace( 'MAILTO:', '', $optparamvalue );
-              $part = str_replace( 'mailto:', '', $part );
-              if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
+                $part = str_replace( 'MAILTO:', '', $optparamvalue );
+                $part = str_replace( 'mailto:', '', $part );
+                if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
                 $part = substr( $part, 1, ( strlen($part)-2 ));
-              $optarrays[$optparamlabel][] = $part;
+                $optarrays[$optparamlabel][] = $part;
             }
             break;
-          default:
+            default:
             if( 'SENT-BY' ==  $optparamlabel ) {
-              $optparamvalue = str_replace( 'MAILTO:', '', $optparamvalue );
-              $optparamvalue = str_replace( 'mailto:', '', $optparamvalue );
+                $optparamvalue = str_replace( 'MAILTO:', '', $optparamvalue );
+                $optparamvalue = str_replace( 'mailto:', '', $optparamvalue );
             }
             if(( '"' == substr( $optparamvalue, 0, 1 )) &&
                ( '"' == substr( $optparamvalue, -1 )))
-              $optparamvalue = substr( $optparamvalue, 1, ( strlen( $optparamvalue ) - 2 ));
+                $optparamvalue = substr( $optparamvalue, 1, ( strlen( $optparamvalue ) - 2 ));
             $params2[$optparamlabel] = $optparamvalue;
             break;
         } // end switch( $optparamlabel.. .
-      } // end foreach( $optparam.. .
-      foreach( $optarrays as $optparamlabel => $optparams )
+        } // end foreach( $optparam.. .
+        foreach( $optarrays as $optparamlabel => $optparams )
         $params2[$optparamlabel] = $optparams;
     }
         // remove defaults
@@ -1911,144 +1910,144 @@ 
     $this->_existRem( $params2, 'RSVP',     'FALSE' );
         // check language setting
     if( isset( $params2['CN' ] )) {
-      $lang = $this->getConfig( 'language' );
-      if( !isset( $params2['LANGUAGE' ] ) && !empty( $lang ))
+        $lang = $this->getConfig( 'language' );
+        if( !isset( $params2['LANGUAGE' ] ) && !empty( $lang ))
         $params2['LANGUAGE' ] = $lang;
     }
     $this->_setMval( $this->attendee, $value, $params2, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: CATEGORIES
- */
+     * Property Name: CATEGORIES
+     */
 /**
- * creates formatted output for calendar component property categories
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createCategories() {
+     * creates formatted output for calendar component property categories
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createCategories() {
     if( empty( $this->categories )) return FALSE;
     $output = null;
     foreach( $this->categories as $category ) {
-      if( empty( $category['value'] )) {
+        if( empty( $category['value'] )) {
         if ( $this->getConfig( 'allowEmpty' ))
-          $output .= $this->_createElement( 'CATEGORIES' );
+            $output .= $this->_createElement( 'CATEGORIES' );
         continue;
-      }
-      $attributes = $this->_createParams( $category['params'], array( 'LANGUAGE' ));
-      if( is_array( $category['value'] )) {
+        }
+        $attributes = $this->_createParams( $category['params'], array( 'LANGUAGE' ));
+        if( is_array( $category['value'] )) {
         foreach( $category['value'] as $cix => $categoryPart )
-          $category['value'][$cix] = $this->_strrep( $categoryPart );
+            $category['value'][$cix] = $this->_strrep( $categoryPart );
         $content  = implode( ',', $category['value'] );
-      }
-      else
+        }
+        else
         $content  = $this->_strrep( $category['value'] );
-      $output    .= $this->_createElement( 'CATEGORIES', $attributes, $content );
+        $output    .= $this->_createElement( 'CATEGORIES', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property categories
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-06
- * @param mixed $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setCategories( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property categories
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-06
+     * @param mixed $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setCategories( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->_setMval( $this->categories, $value, $params, FALSE, $index );
     return TRUE;
- }
+    }
 /*********************************************************************************/
 /**
- * Property Name: CLASS
- */
+     * Property Name: CLASS
+     */
 /**
- * creates formatted output for calendar component property class
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @return string
- */
-  function createClass() {
+     * creates formatted output for calendar component property class
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @return string
+     */
+    function createClass() {
     if( empty( $this->class )) return FALSE;
     if( empty( $this->class['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'CLASS' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'CLASS' ) : FALSE;
     $attributes = $this->_createParams( $this->class['params'] );
     return $this->_createElement( 'CLASS', $attributes, $this->class['value'] );
-  }
+    }
 /**
- * set calendar component property class
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value "PUBLIC" / "PRIVATE" / "CONFIDENTIAL" / iana-token / x-name
- * @param array $params optional
- * @return bool
- */
-  function setClass( $value, $params=FALSE ) {
+     * set calendar component property class
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value "PUBLIC" / "PRIVATE" / "CONFIDENTIAL" / iana-token / x-name
+     * @param array $params optional
+     * @return bool
+     */
+    function setClass( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->class = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: COMMENT
- */
+     * Property Name: COMMENT
+     */
 /**
- * creates formatted output for calendar component property comment
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createComment() {
+     * creates formatted output for calendar component property comment
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createComment() {
     if( empty( $this->comment )) return FALSE;
     $output = null;
     foreach( $this->comment as $commentPart ) {
-      if( empty( $commentPart['value'] )) {
+        if( empty( $commentPart['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'COMMENT' );
         continue;
-      }
-      $attributes = $this->_createParams( $commentPart['params'], array( 'ALTREP', 'LANGUAGE' ));
-      $content    = $this->_strrep( $commentPart['value'] );
-      $output    .= $this->_createElement( 'COMMENT', $attributes, $content );
+        }
+        $attributes = $this->_createParams( $commentPart['params'], array( 'ALTREP', 'LANGUAGE' ));
+        $content    = $this->_strrep( $commentPart['value'] );
+        $output    .= $this->_createElement( 'COMMENT', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property comment
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-06
- * @param string $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setComment( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property comment
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-06
+     * @param string $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setComment( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->_setMval( $this->comment, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: COMPLETED
- */
+     * Property Name: COMPLETED
+     */
 /**
- * creates formatted output for calendar component property completed
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createCompleted( ) {
+     * creates formatted output for calendar component property completed
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createCompleted( ) {
     if( empty( $this->completed )) return FALSE;
     if( !isset( $this->completed['value']['year'] )  &&
         !isset( $this->completed['value']['month'] ) &&
@@ -2056,167 +2055,167 @@ 
         !isset( $this->completed['value']['hour'] )  &&
         !isset( $this->completed['value']['min'] )   &&
         !isset( $this->completed['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'COMPLETED' );
-      else return FALSE;
+        else return FALSE;
     $formatted  = $this->_format_date_time( $this->completed['value'], 7 );
     $attributes = $this->_createParams( $this->completed['params'] );
     return $this->_createElement( 'COMPLETED', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property completed
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return bool
- */
-  function setCompleted( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+     * set calendar component property completed
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setCompleted( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->completed = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $this->completed = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: CONTACT
- */
+     * Property Name: CONTACT
+     */
 /**
- * creates formatted output for calendar component property contact
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @return string
- */
-  function createContact() {
+     * creates formatted output for calendar component property contact
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @return string
+     */
+    function createContact() {
     if( empty( $this->contact )) return FALSE;
     $output = null;
     foreach( $this->contact as $contact ) {
-      if( !empty( $contact['value'] )) {
+        if( !empty( $contact['value'] )) {
         $attributes = $this->_createParams( $contact['params'], array( 'ALTREP', 'LANGUAGE' ));
         $content    = $this->_strrep( $contact['value'] );
         $output    .= $this->_createElement( 'CONTACT', $attributes, $content );
-      }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'CONTACT' );
+        }
+        elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'CONTACT' );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property contact
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param string $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setContact( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property contact
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param string $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setContact( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->_setMval( $this->contact, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: CREATED
- */
+     * Property Name: CREATED
+     */
 /**
- * creates formatted output for calendar component property created
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createCreated() {
+     * creates formatted output for calendar component property created
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createCreated() {
     if( empty( $this->created )) return FALSE;
     $formatted  = $this->_format_date_time( $this->created['value'], 7 );
     $attributes = $this->_createParams( $this->created['params'] );
     return $this->_createElement( 'CREATED', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property created
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param mixed $year optional
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param mixed $params optional
- * @return bool
- */
-  function setCreated( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+     * set calendar component property created
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param mixed $year optional
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param mixed $params optional
+     * @return bool
+     */
+    function setCreated( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( !isset( $year )) {
-      $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
+        $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
     }
     $this->created = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: DESCRIPTION
- */
+     * Property Name: DESCRIPTION
+     */
 /**
- * creates formatted output for calendar component property description
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createDescription() {
+     * creates formatted output for calendar component property description
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createDescription() {
     if( empty( $this->description )) return FALSE;
     $output       = null;
     foreach( $this->description as $description ) {
-      if( !empty( $description['value'] )) {
+        if( !empty( $description['value'] )) {
         $attributes = $this->_createParams( $description['params'], array( 'ALTREP', 'LANGUAGE' ));
         $content    = $this->_strrep( $description['value'] );
         $output    .= $this->_createElement( 'DESCRIPTION', $attributes, $content );
-      }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'DESCRIPTION' );
+        }
+        elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'DESCRIPTION' );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property description
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param string $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setDescription( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property description
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param string $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setDescription( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) { if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; }
     $this->_setMval( $this->description, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: DTEND
- */
+     * Property Name: DTEND
+     */
 /**
- * creates formatted output for calendar component property dtend
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createDtend() {
+     * creates formatted output for calendar component property dtend
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createDtend() {
     if( empty( $this->dtend )) return FALSE;
     if( !isset( $this->dtend['value']['year'] )  &&
         !isset( $this->dtend['value']['month'] ) &&
@@ -2224,112 +2223,112 @@ 
         !isset( $this->dtend['value']['hour'] )  &&
         !isset( $this->dtend['value']['min'] )   &&
         !isset( $this->dtend['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'DTEND' );
-      else return FALSE;
+        else return FALSE;
     $formatted  = $this->_format_date_time( $this->dtend['value'] );
     $attributes = $this->_createParams( $this->dtend['params'] );
     return $this->_createElement( 'DTEND', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property dtend
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param string $tz optional
- * @param array params optional
- * @return bool
- */
-  function setDtend( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
+     * set calendar component property dtend
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param string $tz optional
+     * @param array params optional
+     * @return bool
+     */
+    function setDtend( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
     if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->dtend = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $this->dtend = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: DTSTAMP
- */
+     * Property Name: DTSTAMP
+     */
 /**
- * creates formatted output for calendar component property dtstamp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.4 - 2008-03-07
- * @return string
- */
-  function createDtstamp() {
+     * creates formatted output for calendar component property dtstamp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.4 - 2008-03-07
+     * @return string
+     */
+    function createDtstamp() {
     if( !isset( $this->dtstamp['value']['year'] )  &&
         !isset( $this->dtstamp['value']['month'] ) &&
         !isset( $this->dtstamp['value']['day'] )   &&
         !isset( $this->dtstamp['value']['hour'] )  &&
         !isset( $this->dtstamp['value']['min'] )   &&
         !isset( $this->dtstamp['value']['sec'] ))
-      $this->_makeDtstamp();
+        $this->_makeDtstamp();
     $formatted  = $this->_format_date_time( $this->dtstamp['value'], 7 );
     $attributes = $this->_createParams( $this->dtstamp['params'] );
     return $this->_createElement( 'DTSTAMP', $attributes, $formatted );
-  }
+    }
 /**
- * computes datestamp for calendar component object instance dtstamp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 1.x.x - 2007-05-13
- * @return void
- */
-  function _makeDtstamp() {
+     * computes datestamp for calendar component object instance dtstamp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 1.x.x - 2007-05-13
+     * @return void
+     */
+    function _makeDtstamp() {
     $this->dtstamp['value'] = array( 'year'  => date( 'Y' )
-                                   , 'month' => date( 'm' )
-                                   , 'day'   => date( 'd' )
-                                   , 'hour'  => date( 'H' )
-                                   , 'min'   => date( 'i' )
-                                   , 'sec'   => date( 's' ) - date( 'Z' ));
+                                    , 'month' => date( 'm' )
+                                    , 'day'   => date( 'd' )
+                                    , 'hour'  => date( 'H' )
+                                    , 'min'   => date( 'i' )
+                                    , 'sec'   => date( 's' ) - date( 'Z' ));
     $this->dtstamp['params'] = null;
-  }
+    }
 /**
- * set calendar component property dtstamp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return TRUE
- */
-  function setDtstamp( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+     * set calendar component property dtstamp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return TRUE
+     */
+    function setDtstamp( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( empty( $year ))
-      $this->_makeDtstamp();
+        $this->_makeDtstamp();
     else
-      $this->dtstamp = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+        $this->dtstamp = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: DTSTART
- */
+     * Property Name: DTSTART
+     */
 /**
- * creates formatted output for calendar component property dtstart
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-26
- * @return string
- */
-  function createDtstart() {
+     * creates formatted output for calendar component property dtstart
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-26
+     * @return string
+     */
+    function createDtstart() {
     if( empty( $this->dtstart )) return FALSE;
     if( !isset( $this->dtstart['value']['year'] )  &&
         !isset( $this->dtstart['value']['month'] ) &&
@@ -2338,53 +2337,53 @@ 
         !isset( $this->dtstart['value']['min'] )   &&
         !isset( $this->dtstart['value']['sec'] ))
     if( $this->getConfig( 'allowEmpty' ))
-      return $this->_createElement( 'DTSTART' );
+        return $this->_createElement( 'DTSTART' );
     else return FALSE;
     if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' )))
-      unset( $this->dtstart['value']['tz'], $this->dtstart['params']['TZID'] );
+        unset( $this->dtstart['value']['tz'], $this->dtstart['params']['TZID'] );
     $formatted  = $this->_format_date_time( $this->dtstart['value'] );
     $attributes = $this->_createParams( $this->dtstart['params'] );
     return $this->_createElement( 'DTSTART', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property dtstart
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-11-04
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param string $tz optional
- * @param array $params optional
- * @return bool
- */
-  function setDtstart( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
+     * set calendar component property dtstart
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-11-04
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param string $tz optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setDtstart( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
     if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->dtstart = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $this->dtstart = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, 'dtstart' );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: DUE
- */
+     * Property Name: DUE
+     */
 /**
- * creates formatted output for calendar component property due
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createDue() {
+     * creates formatted output for calendar component property due
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createDue() {
     if( empty( $this->due )) return FALSE;
     if( !isset( $this->due['value']['year'] )  &&
         !isset( $this->due['value']['month'] ) &&
@@ -2392,154 +2391,154 @@ 
         !isset( $this->due['value']['hour'] )  &&
         !isset( $this->due['value']['min'] )   &&
         !isset( $this->due['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'DUE' );
-      else return FALSE;
+        else return FALSE;
     $formatted  = $this->_format_date_time( $this->due['value'] );
     $attributes = $this->_createParams( $this->due['params'] );
     return $this->_createElement( 'DUE', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property due
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return bool
- */
-  function setDue( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
+     * set calendar component property due
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setDue( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
     if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->due = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $this->due = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: DURATION
- */
+     * Property Name: DURATION
+     */
 /**
- * creates formatted output for calendar component property duration
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createDuration() {
+     * creates formatted output for calendar component property duration
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createDuration() {
     if( empty( $this->duration )) return FALSE;
     if( !isset( $this->duration['value']['week'] ) &&
         !isset( $this->duration['value']['day'] )  &&
         !isset( $this->duration['value']['hour'] ) &&
         !isset( $this->duration['value']['min'] )  &&
         !isset( $this->duration['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'DURATION', array(), null );
-      else return FALSE;
+        else return FALSE;
     $attributes = $this->_createParams( $this->duration['params'] );
     return $this->_createElement( 'DURATION', $attributes, $this->_format_duration( $this->duration['value'] ));
-  }
+    }
 /**
- * set calendar component property duration
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param mixed $week
- * @param mixed $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return bool
- */
-  function setDuration( $week, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+     * set calendar component property duration
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param mixed $week
+     * @param mixed $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setDuration( $week, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( empty( $week )) if( $this->getConfig( 'allowEmpty' )) $week = null; else return FALSE;
     if( is_array( $week ) && ( 1 <= count( $week )))
-      $this->duration = array( 'value' => $this->_duration_array( $week ), 'params' => $this->_setParams( $day ));
+        $this->duration = array( 'value' => $this->_duration_array( $week ), 'params' => $this->_setParams( $day ));
     elseif( is_string( $week ) && ( 3 <= strlen( trim( $week )))) {
-      $week = trim( $week );
-      if( in_array( substr( $week, 0, 1 ), array( '+', '-' )))
+        $week = trim( $week );
+        if( in_array( substr( $week, 0, 1 ), array( '+', '-' )))
         $week = substr( $week, 1 );
-      $this->duration = array( 'value' => $this->_duration_string( $week ), 'params' => $this->_setParams( $day ));
+        $this->duration = array( 'value' => $this->_duration_string( $week ), 'params' => $this->_setParams( $day ));
     }
     elseif( empty( $week ) && empty( $day ) && empty( $hour ) && empty( $min ) && empty( $sec ))
-      return FALSE;
+        return FALSE;
     else
-      $this->duration = array( 'value' => $this->_duration_array( array( $week, $day, $hour, $min, $sec )), 'params' => $this->_setParams( $params ));
+        $this->duration = array( 'value' => $this->_duration_array( array( $week, $day, $hour, $min, $sec )), 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: EXDATE
- */
+     * Property Name: EXDATE
+     */
 /**
- * creates formatted output for calendar component property exdate
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createExdate() {
+     * creates formatted output for calendar component property exdate
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createExdate() {
     if( empty( $this->exdate )) return FALSE;
     $output = null;
     foreach( $this->exdate as $ex => $theExdate ) {
-      if( empty( $theExdate['value'] )) {
+        if( empty( $theExdate['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'EXDATE' );
         continue;
-      }
-      $content = $attributes = null;
-      foreach( $theExdate['value'] as $eix => $exdatePart ) {
+        }
+        $content = $attributes = null;
+        foreach( $theExdate['value'] as $eix => $exdatePart ) {
         $parno = count( $exdatePart );
         $formatted = $this->_format_date_time( $exdatePart, $parno );
         if( isset( $theExdate['params']['TZID'] ))
-          $formatted = str_replace( 'Z', '', $formatted);
+            $formatted = str_replace( 'Z', '', $formatted);
         if( 0 < $eix ) {
-          if( isset( $theExdate['value'][0]['tz'] )) {
+            if( isset( $theExdate['value'][0]['tz'] )) {
             if( ctype_digit( substr( $theExdate['value'][0]['tz'], -4 )) ||
                ( 'Z' == $theExdate['value'][0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 ))
+                if( 'Z' != substr( $formatted, -1 ))
                 $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
-          }
-          else
+                $formatted = str_replace( 'Z', '', $formatted );
+            }
+            else
             $formatted = str_replace( 'Z', '', $formatted );
         }
         $content .= ( 0 < $eix ) ? ','.$formatted : $formatted;
-      }
-      $attributes .= $this->_createParams( $theExdate['params'] );
-      $output .= $this->_createElement( 'EXDATE', $attributes, $content );
+        }
+        $attributes .= $this->_createParams( $theExdate['params'] );
+        $output .= $this->_createElement( 'EXDATE', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property exdate
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param array exdates
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setExdate( $exdates, $params=FALSE, $index=FALSE ) {
+     * set calendar component property exdate
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param array exdates
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setExdate( $exdates, $params=FALSE, $index=FALSE ) {
     if( empty( $exdates )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->_setMval( $this->exdate, null, $params, FALSE, $index );
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $input  = array( 'params' => $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' )));
@@ -2547,519 +2546,519 @@ 
     $this->_chkdatecfg( reset( $exdates ), $parno, $input['params'] );
     $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default parameter
     foreach( $exdates as $eix => $theExdate ) {
-      if( $this->_isArrayTimestampDate( $theExdate ))
+        if( $this->_isArrayTimestampDate( $theExdate ))
         $exdatea = $this->_timestamp2date( $theExdate, $parno );
-      elseif(  is_array( $theExdate ))
+        elseif(  is_array( $theExdate ))
         $exdatea = $this->_date_time_array( $theExdate, $parno );
-      elseif( 8 <= strlen( trim( $theExdate ))) // ex. 2006-08-03 10:12:18
+        elseif( 8 <= strlen( trim( $theExdate ))) // ex. 2006-08-03 10:12:18
         $exdatea = $this->_date_time_string( $theExdate, $parno );
-      if( 3 == $parno )
+        if( 3 == $parno )
         unset( $exdatea['hour'], $exdatea['min'], $exdatea['sec'], $exdatea['tz'] );
-      elseif( isset( $exdatea['tz'] ))
+        elseif( isset( $exdatea['tz'] ))
         $exdatea['tz'] = (string) $exdatea['tz'];
-      if(  isset( $input['params']['TZID'] ) ||
+        if(  isset( $input['params']['TZID'] ) ||
          ( isset( $exdatea['tz'] ) && !$this->_isOffset( $exdatea['tz'] )) ||
          ( isset( $input['value'][0] ) && ( !isset( $input['value'][0]['tz'] ))) ||
          ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] )))
         unset( $exdatea['tz'] );
-      $input['value'][] = $exdatea;
+        $input['value'][] = $exdatea;
     }
     if( 0 >= count( $input['value'] ))
-      return FALSE;
+        return FALSE;
     if( 3 == $parno ) {
-      $input['params']['VALUE'] = 'DATE';
-      unset( $input['params']['TZID'] );
+        $input['params']['VALUE'] = 'DATE';
+        unset( $input['params']['TZID'] );
     }
     $this->_setMval( $this->exdate, $input['value'], $input['params'], FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: EXRULE
- */
+     * Property Name: EXRULE
+     */
 /**
- * creates formatted output for calendar component property exrule
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createExrule() {
+     * creates formatted output for calendar component property exrule
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createExrule() {
     if( empty( $this->exrule )) return FALSE;
     return $this->_format_recur( 'EXRULE', $this->exrule );
-  }
+    }
 /**
- * set calendar component property exdate
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param array $exruleset
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setExrule( $exruleset, $params=FALSE, $index=FALSE ) {
+     * set calendar component property exdate
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param array $exruleset
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setExrule( $exruleset, $params=FALSE, $index=FALSE ) {
     if( empty( $exruleset )) if( $this->getConfig( 'allowEmpty' )) $exruleset = null; else return FALSE;
     $this->_setMval( $this->exrule, $this->_setRexrule( $exruleset ), $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: FREEBUSY
- */
+     * Property Name: FREEBUSY
+     */
 /**
- * creates formatted output for calendar component property freebusy
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createFreebusy() {
+     * creates formatted output for calendar component property freebusy
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createFreebusy() {
     if( empty( $this->freebusy )) return FALSE;
     $output = null;
     foreach( $this->freebusy as $freebusyPart ) {
-      if( empty( $freebusyPart['value'] )) {
+        if( empty( $freebusyPart['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'FREEBUSY' );
         continue;
-      }
-      $attributes = $content = null;
-      if( isset( $freebusyPart['value']['fbtype'] )) {
+        }
+        $attributes = $content = null;
+        if( isset( $freebusyPart['value']['fbtype'] )) {
         $attributes .= $this->intAttrDelimiter.'FBTYPE='.$freebusyPart['value']['fbtype'];
         unset( $freebusyPart['value']['fbtype'] );
         $freebusyPart['value'] = array_values( $freebusyPart['value'] );
-      }
-      else
+        }
+        else
         $attributes .= $this->intAttrDelimiter.'FBTYPE=BUSY';
-      $attributes .= $this->_createParams( $freebusyPart['params'] );
-      $fno = 1;
-      $cnt = count( $freebusyPart['value']);
-      foreach( $freebusyPart['value'] as $periodix => $freebusyPeriod ) {
+        $attributes .= $this->_createParams( $freebusyPart['params'] );
+        $fno = 1;
+        $cnt = count( $freebusyPart['value']);
+        foreach( $freebusyPart['value'] as $periodix => $freebusyPeriod ) {
         $formatted   = $this->_format_date_time( $freebusyPeriod[0] );
         $content .= $formatted;
         $content .= '/';
         $cnt2 = count( $freebusyPeriod[1]);
         if( array_key_exists( 'year', $freebusyPeriod[1] ))      // date-time
-          $cnt2 = 7;
+            $cnt2 = 7;
         elseif( array_key_exists( 'week', $freebusyPeriod[1] ))  // duration
-          $cnt2 = 5;
+            $cnt2 = 5;
         if(( 7 == $cnt2 )   &&    // period=  -> date-time
             isset( $freebusyPeriod[1]['year'] )  &&
             isset( $freebusyPeriod[1]['month'] ) &&
             isset( $freebusyPeriod[1]['day'] )) {
-          $content .= $this->_format_date_time( $freebusyPeriod[1] );
+            $content .= $this->_format_date_time( $freebusyPeriod[1] );
         }
         else {                                  // period=  -> dur-time
-          $content .= $this->_format_duration( $freebusyPeriod[1] );
+            $content .= $this->_format_duration( $freebusyPeriod[1] );
         }
         if( $fno < $cnt )
-          $content .= ',';
+            $content .= ',';
         $fno++;
-      }
-      $output .= $this->_createElement( 'FREEBUSY', $attributes, $content );
+        }
+        $output .= $this->_createElement( 'FREEBUSY', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property freebusy
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param string $fbType
- * @param array $fbValues
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setFreebusy( $fbType, $fbValues, $params=FALSE, $index=FALSE ) {
+     * set calendar component property freebusy
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param string $fbType
+     * @param array $fbValues
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setFreebusy( $fbType, $fbValues, $params=FALSE, $index=FALSE ) {
     if( empty( $fbValues )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->_setMval( $this->freebusy, null, $params, FALSE, $index );
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $fbType = strtoupper( $fbType );
     if(( !in_array( $fbType, array( 'FREE', 'BUSY', 'BUSY-UNAVAILABLE', 'BUSY-TENTATIVE' ))) &&
        ( 'X-' != substr( $fbType, 0, 2 )))
-      $fbType = 'BUSY';
+        $fbType = 'BUSY';
     $input = array( 'fbtype' => $fbType );
     foreach( $fbValues as $fbPeriod ) {   // periods => period
-      $freebusyPeriod = array();
-      foreach( $fbPeriod as $fbMember ) { // pairs => singlepart
+        $freebusyPeriod = array();
+        foreach( $fbPeriod as $fbMember ) { // pairs => singlepart
         $freebusyPairMember = array();
         if( is_array( $fbMember )) {
-          if( $this->_isArrayDate( $fbMember )) { // date-time value
+            if( $this->_isArrayDate( $fbMember )) { // date-time value
             $freebusyPairMember       = $this->_date_time_array( $fbMember, 7 );
             $freebusyPairMember['tz'] = 'Z';
-          }
-          elseif( $this->_isArrayTimestampDate( $fbMember )) { // timestamp value
+            }
+            elseif( $this->_isArrayTimestampDate( $fbMember )) { // timestamp value
             $freebusyPairMember       = $this->_timestamp2date( $fbMember['timestamp'], 7 );
             $freebusyPairMember['tz'] = 'Z';
-          }
-          else {                                         // array format duration
+            }
+            else {                                         // array format duration
             $freebusyPairMember = $this->_duration_array( $fbMember );
-          }
+            }
         }
         elseif(( 3 <= strlen( trim( $fbMember ))) &&    // string format duration
                ( in_array( $fbMember{0}, array( 'P', '+', '-' )))) {
-          if( 'P' != $fbMember{0} )
+            if( 'P' != $fbMember{0} )
             $fbmember = substr( $fbMember, 1 );
-          $freebusyPairMember = $this->_duration_string( $fbMember );
+            $freebusyPairMember = $this->_duration_string( $fbMember );
         }
         elseif( 8 <= strlen( trim( $fbMember ))) { // text date ex. 2006-08-03 10:12:18
-          $freebusyPairMember       = $this->_date_time_string( $fbMember, 7 );
-          $freebusyPairMember['tz'] = 'Z';
+            $freebusyPairMember       = $this->_date_time_string( $fbMember, 7 );
+            $freebusyPairMember['tz'] = 'Z';
         }
         $freebusyPeriod[]   = $freebusyPairMember;
-      }
-      $input[]              = $freebusyPeriod;
+        }
+        $input[]              = $freebusyPeriod;
     }
     $this->_setMval( $this->freebusy, $input, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: GEO
- */
+     * Property Name: GEO
+     */
 /**
- * creates formatted output for calendar component property geo
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createGeo() {
+     * creates formatted output for calendar component property geo
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createGeo() {
     if( empty( $this->geo )) return FALSE;
     if( empty( $this->geo['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'GEO' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'GEO' ) : FALSE;
     $attributes = $this->_createParams( $this->geo['params'] );
     $content    = null;
     $content   .= number_format( (float) $this->geo['value']['latitude'], 6, '.', '');
     $content   .= ';';
     $content   .= number_format( (float) $this->geo['value']['longitude'], 6, '.', '');
     return $this->_createElement( 'GEO', $attributes, $content );
-  }
+    }
 /**
- * set calendar component property geo
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param float $latitude
- * @param float $longitude
- * @param array $params optional
- * @return bool
- */
-  function setGeo( $latitude, $longitude, $params=FALSE ) {
+     * set calendar component property geo
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param float $latitude
+     * @param float $longitude
+     * @param array $params optional
+     * @return bool
+     */
+    function setGeo( $latitude, $longitude, $params=FALSE ) {
     if( !empty( $latitude ) && !empty( $longitude )) {
-      if( !is_array( $this->geo )) $this->geo = array();
-      $this->geo['value']['latitude']  = $latitude;
-      $this->geo['value']['longitude'] = $longitude;
-      $this->geo['params'] = $this->_setParams( $params );
+        if( !is_array( $this->geo )) $this->geo = array();
+        $this->geo['value']['latitude']  = $latitude;
+        $this->geo['value']['longitude'] = $longitude;
+        $this->geo['params'] = $this->_setParams( $params );
     }
     elseif( $this->getConfig( 'allowEmpty' ))
-      $this->geo = array( 'value' => null, 'params' => $this->_setParams( $params ) );
+        $this->geo = array( 'value' => null, 'params' => $this->_setParams( $params ) );
     else
-      return FALSE;
+        return FALSE;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: LAST-MODIFIED
- */
+     * Property Name: LAST-MODIFIED
+     */
 /**
- * creates formatted output for calendar component property last-modified
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createLastModified() {
+     * creates formatted output for calendar component property last-modified
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createLastModified() {
     if( empty( $this->lastmodified )) return FALSE;
     $attributes = $this->_createParams( $this->lastmodified['params'] );
     $formatted  = $this->_format_date_time( $this->lastmodified['value'], 7 );
     return $this->_createElement( 'LAST-MODIFIED', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property completed
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param mixed $year optional
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return boll
- */
-  function setLastModified( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+     * set calendar component property completed
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param mixed $year optional
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return boll
+     */
+    function setLastModified( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     if( empty( $year ))
-      $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
+        $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
     $this->lastmodified = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: LOCATION
- */
+     * Property Name: LOCATION
+     */
 /**
- * creates formatted output for calendar component property location
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createLocation() {
+     * creates formatted output for calendar component property location
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createLocation() {
     if( empty( $this->location )) return FALSE;
     if( empty( $this->location['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'LOCATION' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'LOCATION' ) : FALSE;
     $attributes = $this->_createParams( $this->location['params'], array( 'ALTREP', 'LANGUAGE' ));
     $content    = $this->_strrep( $this->location['value'] );
     return $this->_createElement( 'LOCATION', $attributes, $content );
-  }
+    }
 /**
- * set calendar component property location
+     * set calendar component property location
  '
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param array params optional
- * @return bool
- */
-  function setLocation( $value, $params=FALSE ) {
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param array params optional
+     * @return bool
+     */
+    function setLocation( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->location = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: ORGANIZER
- */
+     * Property Name: ORGANIZER
+     */
 /**
- * creates formatted output for calendar component property organizer
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createOrganizer() {
+     * creates formatted output for calendar component property organizer
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createOrganizer() {
     if( empty( $this->organizer )) return FALSE;
     if( empty( $this->organizer['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ORGANIZER' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ORGANIZER' ) : FALSE;
     $attributes = $this->_createParams( $this->organizer['params']
-                                      , array( 'CN', 'DIR', 'LANGUAGE', 'SENT-BY' ));
+                                        , array( 'CN', 'DIR', 'LANGUAGE', 'SENT-BY' ));
     $content    = 'MAILTO:'.$this->organizer['value'];
     return $this->_createElement( 'ORGANIZER', $attributes, $content );
-  }
+    }
 /**
- * set calendar component property organizer
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param array params optional
- * @return bool
- */
-  function setOrganizer( $value, $params=FALSE ) {
+     * set calendar component property organizer
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param array params optional
+     * @return bool
+     */
+    function setOrganizer( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $value = str_replace ( 'MAILTO:', '', $value );
     $value = str_replace ( 'mailto:', '', $value );
     $this->organizer = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     if( isset( $this->organizer['params']['SENT-BY'] )) {
-      if( 'MAILTO' == strtoupper( substr( $this->organizer['params']['SENT-BY'], 0, 6 )))
+        if( 'MAILTO' == strtoupper( substr( $this->organizer['params']['SENT-BY'], 0, 6 )))
         $this->organizer['params']['SENT-BY'] = substr( $this->organizer['params']['SENT-BY'], 7 );
     }
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: PERCENT-COMPLETE
- */
+     * Property Name: PERCENT-COMPLETE
+     */
 /**
- * creates formatted output for calendar component property percent-complete
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @return string
- */
-  function createPercentComplete() {
+     * creates formatted output for calendar component property percent-complete
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @return string
+     */
+    function createPercentComplete() {
     if( empty( $this->percentcomplete )) return FALSE;
     if( empty( $this->percentcomplete['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PERCENT-COMPLETE' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PERCENT-COMPLETE' ) : FALSE;
     $attributes = $this->_createParams( $this->percentcomplete['params'] );
     return $this->_createElement( 'PERCENT-COMPLETE', $attributes, $this->percentcomplete['value'] );
-  }
+    }
 /**
- * set calendar component property percent-complete
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param int $value
- * @param array $params optional
- * @return bool
- */
-  function setPercentComplete( $value, $params=FALSE ) {
+     * set calendar component property percent-complete
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param int $value
+     * @param array $params optional
+     * @return bool
+     */
+    function setPercentComplete( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->percentcomplete = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: PRIORITY
- */
+     * Property Name: PRIORITY
+     */
 /**
- * creates formatted output for calendar component property priority
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createPriority() {
+     * creates formatted output for calendar component property priority
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createPriority() {
     if( empty( $this->priority )) return FALSE;
     if( empty( $this->priority['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PRIORITY' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PRIORITY' ) : FALSE;
     $attributes = $this->_createParams( $this->priority['params'] );
     return $this->_createElement( 'PRIORITY', $attributes, $this->priority['value'] );
-  }
+    }
 /**
- * set calendar component property priority
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param int $value
- * @param array $params optional
- * @return bool
- */
-  function setPriority( $value, $params=FALSE  ) {
+     * set calendar component property priority
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param int $value
+     * @param array $params optional
+     * @return bool
+     */
+    function setPriority( $value, $params=FALSE  ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->priority = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: RDATE
- */
+     * Property Name: RDATE
+     */
 /**
- * creates formatted output for calendar component property rdate
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-26
- * @return string
- */
-  function createRdate() {
+     * creates formatted output for calendar component property rdate
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-26
+     * @return string
+     */
+    function createRdate() {
     if( empty( $this->rdate )) return FALSE;
     $utctime = ( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE;
     $output = null;
     if( $utctime  )
-      unset( $this->rdate['params']['TZID'] );
+        unset( $this->rdate['params']['TZID'] );
     foreach( $this->rdate as $theRdate ) {
-      if( empty( $theRdate['value'] )) {
+        if( empty( $theRdate['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RDATE' );
         continue;
-      }
-      if( $utctime  )
+        }
+        if( $utctime  )
         unset( $theRdate['params']['TZID'] );
-      $attributes = $this->_createParams( $theRdate['params'] );
-      $cnt = count( $theRdate['value'] );
-      $content = null;
-      $rno = 1;
-      foreach( $theRdate['value'] as $rpix => $rdatePart ) {
+        $attributes = $this->_createParams( $theRdate['params'] );
+        $cnt = count( $theRdate['value'] );
+        $content = null;
+        $rno = 1;
+        foreach( $theRdate['value'] as $rpix => $rdatePart ) {
         $contentPart = null;
         if( is_array( $rdatePart ) &&
             isset( $theRdate['params']['VALUE'] ) && ( 'PERIOD' == $theRdate['params']['VALUE'] )) { // PERIOD
-          if( $utctime )
+            if( $utctime )
             unset( $rdatePart[0]['tz'] );
-          $formatted = $this->_format_date_time( $rdatePart[0]); // PERIOD part 1
-          if( $utctime || !empty( $theRdate['params']['TZID'] ))
+            $formatted = $this->_format_date_time( $rdatePart[0]); // PERIOD part 1
+            if( $utctime || !empty( $theRdate['params']['TZID'] ))
             $formatted = str_replace( 'Z', '', $formatted);
-          if( 0 < $rpix ) {
+            if( 0 < $rpix ) {
             if( !empty( $rdatePart[0]['tz'] ) && $this->_isOffset( $rdatePart[0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
+                if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
-          }
-          $contentPart .= $formatted;
-          $contentPart .= '/';
-          $cnt2 = count( $rdatePart[1]);
-          if( array_key_exists( 'year', $rdatePart[1] )) {
+                $formatted = str_replace( 'Z', '', $formatted );
+            }
+            $contentPart .= $formatted;
+            $contentPart .= '/';
+            $cnt2 = count( $rdatePart[1]);
+            if( array_key_exists( 'year', $rdatePart[1] )) {
             if( array_key_exists( 'hour', $rdatePart[1] ))
-              $cnt2 = 7;                                      // date-time
+                $cnt2 = 7;                                      // date-time
             else
-              $cnt2 = 3;                                      // date
-          }
-          elseif( array_key_exists( 'week', $rdatePart[1] ))  // duration
+                $cnt2 = 3;                                      // date
+            }
+            elseif( array_key_exists( 'week', $rdatePart[1] ))  // duration
             $cnt2 = 5;
-          if(( 7 == $cnt2 )   &&    // period=  -> date-time
+            if(( 7 == $cnt2 )   &&    // period=  -> date-time
               isset( $rdatePart[1]['year'] )  &&
               isset( $rdatePart[1]['month'] ) &&
               isset( $rdatePart[1]['day'] )) {
             if( $utctime )
-              unset( $rdatePart[1]['tz'] );
+                unset( $rdatePart[1]['tz'] );
             $formatted = $this->_format_date_time( $rdatePart[1] ); // PERIOD part 2
             if( $utctime || !empty( $theRdate['params']['TZID'] ))
-              $formatted = str_replace( 'Z', '', $formatted);
+                $formatted = str_replace( 'Z', '', $formatted);
             if( !empty( $rdatePart[0]['tz'] ) && $this->_isOffset( $rdatePart[0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
+                if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
-           $contentPart .= $formatted;
-          }
-          else {                                  // period=  -> dur-time
+                $formatted = str_replace( 'Z', '', $formatted );
+            $contentPart .= $formatted;
+            }
+            else {                                  // period=  -> dur-time
             $contentPart .= $this->_format_duration( $rdatePart[1] );
-          }
+            }
         } // PERIOD end
         else { // SINGLE date start
-          if( $utctime )
+            if( $utctime )
             unset( $rdatePart['tz'] );
-          $formatted = $this->_format_date_time( $rdatePart);
-          if( $utctime || !empty( $theRdate['params']['TZID'] ))
+            $formatted = $this->_format_date_time( $rdatePart);
+            if( $utctime || !empty( $theRdate['params']['TZID'] ))
             $formatted = str_replace( 'Z', '', $formatted);
-          if( !$utctime && ( 0 < $rpix )) {
+            if( !$utctime && ( 0 < $rpix )) {
             if( !empty( $theRdate['value'][0]['tz'] ) && $this->_isOffset( $theRdate['value'][0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 ))
+                if( 'Z' != substr( $formatted, -1 ))
                 $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
-          }
-          $contentPart .= $formatted;
+                $formatted = str_replace( 'Z', '', $formatted );
+            }
+            $contentPart .= $formatted;
         }
         $content .= $contentPart;
         if( $rno < $cnt )
-          $content .= ',';
+            $content .= ',';
         $rno++;
-      }
-      $output    .= $this->_createElement( 'RDATE', $attributes, $content );
+        }
+        $output    .= $this->_createElement( 'RDATE', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property rdate
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-07
- * @param array $rdates
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setRdate( $rdates, $params=FALSE, $index=FALSE ) {
+     * set calendar component property rdate
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-07
+     * @param array $rdates
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setRdate( $rdates, $params=FALSE, $index=FALSE ) {
     if( empty( $rdates )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->_setMval( $this->rdate, null, $params, FALSE, $index );
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $input = array( 'params' => $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' )));
     if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) {
-      unset( $input['params']['TZID'] );
-      $input['params']['VALUE'] = 'DATE-TIME';
+        unset( $input['params']['TZID'] );
+        $input['params']['VALUE'] = 'DATE-TIME';
     }
             /*  check if PERIOD, if not set */
     if((!isset( $input['params']['VALUE'] ) || !in_array( $input['params']['VALUE'], array( 'DATE', 'PERIOD' ))) &&
@@ -3069,769 +3068,769 @@ 
                                       $this->_isArrayDate( $rdates[0][0] ))) ||
                                     ( is_string( $rdates[0][0] ) && ( 8 <= strlen( trim( $rdates[0][0] )))))  &&
      ( is_array( $rdates[0][1] ) || ( is_string( $rdates[0][1] ) && ( 3 <= strlen( trim( $rdates[0][1] ))))))
-      $input['params']['VALUE'] = 'PERIOD';
+        $input['params']['VALUE'] = 'PERIOD';
             /* check 1:st date, upd. $parno (opt) and save ev. timezone **/
     $date  = reset( $rdates );
     if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) // PERIOD
-      $date  = reset( $date );
+        $date  = reset( $date );
     $this->_chkdatecfg( $date, $parno, $input['params'] );
     if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' )))
-      unset( $input['params']['TZID'] );
+        unset( $input['params']['TZID'] );
     $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default
     foreach( $rdates as $rpix => $theRdate ) {
-      $inputa = null;
-      if( is_array( $theRdate )) {
+        $inputa = null;
+        if( is_array( $theRdate )) {
         if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) { // PERIOD
-          foreach( $theRdate as $rix => $rPeriod ) {
+            foreach( $theRdate as $rix => $rPeriod ) {
             if( is_array( $rPeriod )) {
-              if( $this->_isArrayTimestampDate( $rPeriod ))      // timestamp
+                if( $this->_isArrayTimestampDate( $rPeriod ))      // timestamp
                 $inputab  = ( isset( $rPeriod['tz'] )) ? $this->_timestamp2date( $rPeriod, $parno ) : $this->_timestamp2date( $rPeriod, 6 );
-              elseif( $this->_isArrayDate( $rPeriod ))
+                elseif( $this->_isArrayDate( $rPeriod ))
                 $inputab  = ( 3 < count ( $rPeriod )) ? $this->_date_time_array( $rPeriod, $parno ) : $this->_date_time_array( $rPeriod, 6 );
-              elseif (( 1 == count( $rPeriod )) && ( 8 <= strlen( reset( $rPeriod ))))  // text-date
+                elseif (( 1 == count( $rPeriod )) && ( 8 <= strlen( reset( $rPeriod ))))  // text-date
                 $inputab  = $this->_date_time_string( reset( $rPeriod ), $parno );
-              else                                               // array format duration
+                else                                               // array format duration
                 $inputab  = $this->_duration_array( $rPeriod );
             }
             elseif(( 3 <= strlen( trim( $rPeriod ))) &&          // string format duration
                    ( in_array( $rPeriod{0}, array( 'P', '+', '-' )))) {
-              if( 'P' != $rPeriod{0} )
+                if( 'P' != $rPeriod{0} )
                 $rPeriod  = substr( $rPeriod, 1 );
-              $inputab    = $this->_duration_string( $rPeriod );
+                $inputab    = $this->_duration_string( $rPeriod );
             }
             elseif( 8 <= strlen( trim( $rPeriod )))              // text date ex. 2006-08-03 10:12:18
-              $inputab    = $this->_date_time_string( $rPeriod, $parno );
+                $inputab    = $this->_date_time_string( $rPeriod, $parno );
             if(  isset( $input['params']['TZID'] ) ||
                ( isset( $inputab['tz'] )   && !$this->_isOffset( $inputab['tz'] )) ||
                ( isset( $inputa[0] )       && ( !isset( $inputa[0]['tz'] )))       ||
                ( isset( $inputa[0]['tz'] ) && !$this->_isOffset( $inputa[0]['tz'] )))
-              unset( $inputab['tz'] );
+                unset( $inputab['tz'] );
             $inputa[]     = $inputab;
-          }
+            }
         } // PERIOD end
         elseif ( $this->_isArrayTimestampDate( $theRdate ))      // timestamp
-          $inputa = $this->_timestamp2date( $theRdate, $parno );
+            $inputa = $this->_timestamp2date( $theRdate, $parno );
         else                                                     // date[-time]
-          $inputa = $this->_date_time_array( $theRdate, $parno );
-      }
-      elseif( 8 <= strlen( trim( $theRdate )))                   // text date ex. 2006-08-03 10:12:18
+            $inputa = $this->_date_time_array( $theRdate, $parno );
+        }
+        elseif( 8 <= strlen( trim( $theRdate )))                   // text date ex. 2006-08-03 10:12:18
         $inputa       = $this->_date_time_string( $theRdate, $parno );
-      if( !isset( $input['params']['VALUE'] ) || ( 'PERIOD' != $input['params']['VALUE'] )) { // no PERIOD
+        if( !isset( $input['params']['VALUE'] ) || ( 'PERIOD' != $input['params']['VALUE'] )) { // no PERIOD
         if( 3 == $parno )
-          unset( $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] );
+            unset( $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] );
         elseif( isset( $inputa['tz'] ))
-          $inputa['tz'] = (string) $inputa['tz'];
+            $inputa['tz'] = (string) $inputa['tz'];
         if(  isset( $input['params']['TZID'] ) ||
            ( isset( $inputa['tz'] )            && !$this->_isOffset( $inputa['tz'] ))     ||
            ( isset( $input['value'][0] )       && ( !isset( $input['value'][0]['tz'] )))  ||
            ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] )))
-          unset( $inputa['tz'] );
-      }
-      $input['value'][] = $inputa;
+            unset( $inputa['tz'] );
+        }
+        $input['value'][] = $inputa;
     }
     if( 3 == $parno ) {
-      $input['params']['VALUE'] = 'DATE';
-      unset( $input['params']['TZID'] );
+        $input['params']['VALUE'] = 'DATE';
+        unset( $input['params']['TZID'] );
     }
     $this->_setMval( $this->rdate, $input['value'], $input['params'], FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: RECURRENCE-ID
- */
+     * Property Name: RECURRENCE-ID
+     */
 /**
- * creates formatted output for calendar component property recurrence-id
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createRecurrenceid() {
+     * creates formatted output for calendar component property recurrence-id
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createRecurrenceid() {
     if( empty( $this->recurrenceid )) return FALSE;
     if( empty( $this->recurrenceid['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'RECURRENCE-ID' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'RECURRENCE-ID' ) : FALSE;
     $formatted  = $this->_format_date_time( $this->recurrenceid['value'] );
     $attributes = $this->_createParams( $this->recurrenceid['params'] );
     return $this->_createElement( 'RECURRENCE-ID', $attributes, $formatted );
-  }
+    }
 /**
- * set calendar component property recurrence-id
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return bool
- */
-  function setRecurrenceid( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
+     * set calendar component property recurrence-id
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setRecurrenceid( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
     if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->recurrenceid = array( 'value' => null, 'params' => null );
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     }
     $this->recurrenceid = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: RELATED-TO
- */
+     * Property Name: RELATED-TO
+     */
 /**
- * creates formatted output for calendar component property related-to
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @return string
- */
-  function createRelatedTo() {
+     * creates formatted output for calendar component property related-to
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @return string
+     */
+    function createRelatedTo() {
     if( empty( $this->relatedto )) return FALSE;
     $output = null;
     foreach( $this->relatedto as $relation ) {
-      if( empty( $relation['value'] )) {
+        if( empty( $relation['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output.= $this->_createElement( 'RELATED-TO', $this->_createParams( $relation['params'] ));
         continue;
-      }
-      $attributes = $this->_createParams( $relation['params'] );
-      $content    = ( 'xcal' != $this->format ) ? '<' : '';
-      $content   .= $this->_strrep( $relation['value'] );
-      $content   .= ( 'xcal' != $this->format ) ? '>' : '';
-      $output    .= $this->_createElement( 'RELATED-TO', $attributes, $content );
+        }
+        $attributes = $this->_createParams( $relation['params'] );
+        $content    = ( 'xcal' != $this->format ) ? '<' : '';
+        $content   .= $this->_strrep( $relation['value'] );
+        $content   .= ( 'xcal' != $this->format ) ? '>' : '';
+        $output    .= $this->_createElement( 'RELATED-TO', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property related-to
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-07
- * @param float $relid
- * @param array $params, optional
- * @param index $index, optional
- * @return bool
- */
-  function setRelatedTo( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property related-to
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-07
+     * @param float $relid
+     * @param array $params, optional
+     * @param index $index, optional
+     * @return bool
+     */
+    function setRelatedTo( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     if(( '<' == substr( $value, 0, 1 )) && ( '>' == substr( $value, -1 )))
-      $value = substr( $value, 1, ( strlen( $value ) - 2 ));
+        $value = substr( $value, 1, ( strlen( $value ) - 2 ));
     $this->_existRem( $params, 'RELTYPE', 'PARENT', TRUE ); // remove default
     $this->_setMval( $this->relatedto, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: REPEAT
- */
+     * Property Name: REPEAT
+     */
 /**
- * creates formatted output for calendar component property repeat
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createRepeat() {
+     * creates formatted output for calendar component property repeat
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createRepeat() {
     if( empty( $this->repeat )) return FALSE;
     if( empty( $this->repeat['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'REPEAT' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'REPEAT' ) : FALSE;
     $attributes = $this->_createParams( $this->repeat['params'] );
     return $this->_createElement( 'REPEAT', $attributes, $this->repeat['value'] );
-  }
+    }
 /**
- * set calendar component property transp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param array $params optional
- * @return void
- */
-  function setRepeat( $value, $params=FALSE ) {
+     * set calendar component property transp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param array $params optional
+     * @return void
+     */
+    function setRepeat( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->repeat = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: REQUEST-STATUS
- */
+     * Property Name: REQUEST-STATUS
+     */
 /**
- * creates formatted output for calendar component property request-status
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @return string
- */
-  function createRequestStatus() {
+     * creates formatted output for calendar component property request-status
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @return string
+     */
+    function createRequestStatus() {
     if( empty( $this->requeststatus )) return FALSE;
     $output = null;
     foreach( $this->requeststatus as $rstat ) {
-      if( empty( $rstat['value']['statcode'] )) {
+        if( empty( $rstat['value']['statcode'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'REQUEST-STATUS' );
         continue;
-      }
-      $attributes  = $this->_createParams( $rstat['params'], array( 'LANGUAGE' ));
-      $content     = number_format( (float) $rstat['value']['statcode'], 2, '.', '');
-      $content    .= ';'.$this->_strrep( $rstat['value']['text'] );
-      if( isset( $rstat['value']['extdata'] ))
+        }
+        $attributes  = $this->_createParams( $rstat['params'], array( 'LANGUAGE' ));
+        $content     = number_format( (float) $rstat['value']['statcode'], 2, '.', '');
+        $content    .= ';'.$this->_strrep( $rstat['value']['text'] );
+        if( isset( $rstat['value']['extdata'] ))
         $content  .= ';'.$this->_strrep( $rstat['value']['extdata'] );
-      $output     .= $this->_createElement( 'REQUEST-STATUS', $attributes, $content );
+        $output     .= $this->_createElement( 'REQUEST-STATUS', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property request-status
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param float $statcode
- * @param string $text
- * @param string $extdata, optional
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setRequestStatus( $statcode, $text, $extdata=FALSE, $params=FALSE, $index=FALSE ) {
+     * set calendar component property request-status
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param float $statcode
+     * @param string $text
+     * @param string $extdata, optional
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setRequestStatus( $statcode, $text, $extdata=FALSE, $params=FALSE, $index=FALSE ) {
     if( empty( $statcode ) || empty( $text )) if( $this->getConfig( 'allowEmpty' )) $statcode = $text = null; else return FALSE;
     $input              = array( 'statcode' => $statcode, 'text' => $text );
     if( $extdata )
-      $input['extdata'] = $extdata;
+        $input['extdata'] = $extdata;
     $this->_setMval( $this->requeststatus, $input, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: RESOURCES
- */
+     * Property Name: RESOURCES
+     */
 /**
- * creates formatted output for calendar component property resources
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @return string
- */
-  function createResources() {
+     * creates formatted output for calendar component property resources
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @return string
+     */
+    function createResources() {
     if( empty( $this->resources )) return FALSE;
     $output = null;
     foreach( $this->resources as $resource ) {
-      if( empty( $resource['value'] )) {
+        if( empty( $resource['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RESOURCES' );
         continue;
-      }
-      $attributes  = $this->_createParams( $resource['params'], array( 'ALTREP', 'LANGUAGE' ));
-      if( is_array( $resource['value'] )) {
+        }
+        $attributes  = $this->_createParams( $resource['params'], array( 'ALTREP', 'LANGUAGE' ));
+        if( is_array( $resource['value'] )) {
         foreach( $resource['value'] as $rix => $resourcePart )
-          $resource['value'][$rix] = $this->_strrep( $resourcePart );
+            $resource['value'][$rix] = $this->_strrep( $resourcePart );
         $content   = implode( ',', $resource['value'] );
-      }
-      else
+        }
+        else
         $content   = $this->_strrep( $resource['value'] );
-      $output     .= $this->_createElement( 'RESOURCES', $attributes, $content );
+        $output     .= $this->_createElement( 'RESOURCES', $attributes, $content );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property recources
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param mixed $value
- * @param array $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setResources( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property recources
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param mixed $value
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setResources( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->_setMval( $this->resources, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: RRULE
- */
+     * Property Name: RRULE
+     */
 /**
- * creates formatted output for calendar component property rrule
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createRrule() {
+     * creates formatted output for calendar component property rrule
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createRrule() {
     if( empty( $this->rrule )) return FALSE;
     return $this->_format_recur( 'RRULE', $this->rrule );
-  }
+    }
 /**
- * set calendar component property rrule
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param array $rruleset
- * @param array $params, optional
- * @param integer $index, optional
- * @return void
- */
-  function setRrule( $rruleset, $params=FALSE, $index=FALSE ) {
+     * set calendar component property rrule
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param array $rruleset
+     * @param array $params, optional
+     * @param integer $index, optional
+     * @return void
+     */
+    function setRrule( $rruleset, $params=FALSE, $index=FALSE ) {
     if( empty( $rruleset )) if( $this->getConfig( 'allowEmpty' )) $rruleset = null; else return FALSE;
     $this->_setMval( $this->rrule, $this->_setRexrule( $rruleset ), $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: SEQUENCE
- */
+     * Property Name: SEQUENCE
+     */
 /**
- * creates formatted output for calendar component property sequence
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @return string
- */
-  function createSequence() {
+     * creates formatted output for calendar component property sequence
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @return string
+     */
+    function createSequence() {
     if( empty( $this->sequence )) return FALSE;
     if( empty( $this->sequence['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SEQUENCE' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SEQUENCE' ) : FALSE;
     $attributes = $this->_createParams( $this->sequence['params'] );
     return $this->_createElement( 'SEQUENCE', $attributes, $this->sequence['value'] );
-  }
+    }
 /**
- * set calendar component property sequence
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param int $value optional
- * @param array $params optional
- * @return bool
- */
-  function setSequence( $value=FALSE, $params=FALSE ) {
+     * set calendar component property sequence
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param int $value optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setSequence( $value=FALSE, $params=FALSE ) {
     if( empty( $value ))
-      $value = ( isset( $this->sequence['value'] ) && ( 0 < $this->sequence['value'] )) ? $this->sequence['value'] + 1 : 1;
+        $value = ( isset( $this->sequence['value'] ) && ( 0 < $this->sequence['value'] )) ? $this->sequence['value'] + 1 : 1;
     $this->sequence = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: STATUS
- */
+     * Property Name: STATUS
+     */
 /**
- * creates formatted output for calendar component property status
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createStatus() {
+     * creates formatted output for calendar component property status
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createStatus() {
     if( empty( $this->status )) return FALSE;
     if( empty( $this->status['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'STATUS' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'STATUS' ) : FALSE;
     $attributes = $this->_createParams( $this->status['params'] );
     return $this->_createElement( 'STATUS', $attributes, $this->status['value'] );
-  }
+    }
 /**
- * set calendar component property status
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param array $params optional
- * @return bool
- */
-  function setStatus( $value, $params=FALSE ) {
+     * set calendar component property status
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param array $params optional
+     * @return bool
+     */
+    function setStatus( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->status = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: SUMMARY
- */
+     * Property Name: SUMMARY
+     */
 /**
- * creates formatted output for calendar component property summary
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createSummary() {
+     * creates formatted output for calendar component property summary
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createSummary() {
     if( empty( $this->summary )) return FALSE;
     if( empty( $this->summary['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SUMMARY' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SUMMARY' ) : FALSE;
     $attributes = $this->_createParams( $this->summary['params'], array( 'ALTREP', 'LANGUAGE' ));
     $content    = $this->_strrep( $this->summary['value'] );
     return $this->_createElement( 'SUMMARY', $attributes, $content );
-  }
+    }
 /**
- * set calendar component property summary
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return bool
- */
-  function setSummary( $value, $params=FALSE ) {
+     * set calendar component property summary
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return bool
+     */
+    function setSummary( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->summary = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: TRANSP
- */
+     * Property Name: TRANSP
+     */
 /**
- * creates formatted output for calendar component property transp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createTransp() {
+     * creates formatted output for calendar component property transp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createTransp() {
     if( empty( $this->transp )) return FALSE;
     if( empty( $this->transp['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRANSP' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRANSP' ) : FALSE;
     $attributes = $this->_createParams( $this->transp['params'] );
     return $this->_createElement( 'TRANSP', $attributes, $this->transp['value'] );
-  }
+    }
 /**
- * set calendar component property transp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return bool
- */
-  function setTransp( $value, $params=FALSE ) {
+     * set calendar component property transp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return bool
+     */
+    function setTransp( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->transp = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: TRIGGER
- */
+     * Property Name: TRIGGER
+     */
 /**
- * creates formatted output for calendar component property trigger
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-21
- * @return string
- */
-  function createTrigger() {
+     * creates formatted output for calendar component property trigger
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-21
+     * @return string
+     */
+    function createTrigger() {
     if( empty( $this->trigger )) return FALSE;
     if( empty( $this->trigger['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRIGGER' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRIGGER' ) : FALSE;
     $content = $attributes = null;
     if( isset( $this->trigger['value']['year'] )   &&
         isset( $this->trigger['value']['month'] )  &&
         isset( $this->trigger['value']['day'] ))
-      $content      .= $this->_format_date_time( $this->trigger['value'] );
+        $content      .= $this->_format_date_time( $this->trigger['value'] );
     else {
-      if( TRUE !== $this->trigger['value']['relatedStart'] )
+        if( TRUE !== $this->trigger['value']['relatedStart'] )
         $attributes .= $this->intAttrDelimiter.'RELATED=END';
-      if( $this->trigger['value']['before'] )
+        if( $this->trigger['value']['before'] )
         $content    .= '-';
-      $content      .= $this->_format_duration( $this->trigger['value'] );
+        $content      .= $this->_format_duration( $this->trigger['value'] );
     }
     $attributes     .= $this->_createParams( $this->trigger['params'] );
     return $this->_createElement( 'TRIGGER', $attributes, $content );
-  }
+    }
 /**
- * set calendar component property trigger
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-11-04
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $week optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param bool $relatedStart optional
- * @param bool $before optional
- * @param array $params optional
- * @return bool
- */
-  function setTrigger( $year, $month=null, $day=null, $week=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $relatedStart=TRUE, $before=TRUE, $params=FALSE ) {
+     * set calendar component property trigger
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-11-04
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $week optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param bool $relatedStart optional
+     * @param bool $before optional
+     * @param array $params optional
+     * @return bool
+     */
+    function setTrigger( $year, $month=null, $day=null, $week=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $relatedStart=TRUE, $before=TRUE, $params=FALSE ) {
     if( empty( $year ) && empty( $month ) && empty( $day ) && empty( $week ) && empty( $hour ) && empty( $min ) && empty( $sec ))
-      if( $this->getConfig( 'allowEmpty' )) {
+        if( $this->getConfig( 'allowEmpty' )) {
         $this->trigger = array( 'value' => null, 'params' => $this->_setParams( $params ) );
         return TRUE;
-      }
-      else
+        }
+        else
         return FALSE;
     if( $this->_isArrayTimestampDate( $year )) { // timestamp
-      $params = $this->_setParams( $month );
-      $date   = $this->_timestamp2date( $year, 7 );
-      foreach( $date as $k => $v )
+        $params = $this->_setParams( $month );
+        $date   = $this->_timestamp2date( $year, 7 );
+        foreach( $date as $k => $v )
         $$k = $v;
     }
     elseif( is_array( $year ) && ( is_array( $month ) || empty( $month ))) {
-      $params = $this->_setParams( $month );
-      if(!(array_key_exists( 'year',  $year ) &&   // exclude date-time
+        $params = $this->_setParams( $month );
+        if(!(array_key_exists( 'year',  $year ) &&   // exclude date-time
            array_key_exists( 'month', $year ) &&
            array_key_exists( 'day',   $year ))) {  // so this must be a duration
         if( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] ))
-          $relatedStart = FALSE;
+            $relatedStart = FALSE;
         else
-          $relatedStart = ( array_key_exists( 'relatedStart', $year ) && ( TRUE !== $year['relatedStart'] )) ? FALSE : TRUE;
+            $relatedStart = ( array_key_exists( 'relatedStart', $year ) && ( TRUE !== $year['relatedStart'] )) ? FALSE : TRUE;
         $before         = ( array_key_exists( 'before', $year )       && ( TRUE !== $year['before'] ))       ? FALSE : TRUE;
-      }
-      $SSYY  = ( array_key_exists( 'year',  $year )) ? $year['year']  : null;
-      $month = ( array_key_exists( 'month', $year )) ? $year['month'] : null;
-      $day   = ( array_key_exists( 'day',   $year )) ? $year['day']   : null;
-      $week  = ( array_key_exists( 'week',  $year )) ? $year['week']  : null;
-      $hour  = ( array_key_exists( 'hour',  $year )) ? $year['hour']  : 0; //null;
-      $min   = ( array_key_exists( 'min',   $year )) ? $year['min']   : 0; //null;
-      $sec   = ( array_key_exists( 'sec',   $year )) ? $year['sec']   : 0; //null;
-      $year  = $SSYY;
+        }
+        $SSYY  = ( array_key_exists( 'year',  $year )) ? $year['year']  : null;
+        $month = ( array_key_exists( 'month', $year )) ? $year['month'] : null;
+        $day   = ( array_key_exists( 'day',   $year )) ? $year['day']   : null;
+        $week  = ( array_key_exists( 'week',  $year )) ? $year['week']  : null;
+        $hour  = ( array_key_exists( 'hour',  $year )) ? $year['hour']  : 0; //null;
+        $min   = ( array_key_exists( 'min',   $year )) ? $year['min']   : 0; //null;
+        $sec   = ( array_key_exists( 'sec',   $year )) ? $year['sec']   : 0; //null;
+        $year  = $SSYY;
     }
     elseif(is_string( $year ) && ( is_array( $month ) || empty( $month ))) {  // duration or date in a string
-      $params = $this->_setParams( $month );
-      if( in_array( $year{0}, array( 'P', '+', '-' ))) { // duration
+        $params = $this->_setParams( $month );
+        if( in_array( $year{0}, array( 'P', '+', '-' ))) { // duration
         $relatedStart = ( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] )) ? FALSE : TRUE;
         $before       = ( '-'  == $year{0} ) ? TRUE : FALSE;
         if(     'P'  != $year{0} )
-          $year       = substr( $year, 1 );
+            $year       = substr( $year, 1 );
         $date         = $this->_duration_string( $year);
-      }
-      else   // date
+        }
+        else   // date
         $date    = $this->_date_time_string( $year, 7 );
-      unset( $year, $month, $day );
-      foreach( $date as $k => $v )
+        unset( $year, $month, $day );
+        foreach( $date as $k => $v )
         $$k = $v;
     }
     else // single values in function input parameters
-      $params = $this->_setParams( $params );
+        $params = $this->_setParams( $params );
     if( !empty( $year ) && !empty( $month ) && !empty( $day )) { // date
-      $params['VALUE'] = 'DATE-TIME';
-      $hour = ( $hour ) ? $hour : 0;
-      $min  = ( $min  ) ? $min  : 0;
-      $sec  = ( $sec  ) ? $sec  : 0;
-      $this->trigger = array( 'params' => $params );
-      $this->trigger['value'] = array( 'year'  => $year
-                                     , 'month' => $month
-                                     , 'day'   => $day
-                                     , 'hour'  => $hour
-                                     , 'min'   => $min
-                                     , 'sec'   => $sec
-                                     , 'tz'    => 'Z' );
-      return TRUE;
+        $params['VALUE'] = 'DATE-TIME';
+        $hour = ( $hour ) ? $hour : 0;
+        $min  = ( $min  ) ? $min  : 0;
+        $sec  = ( $sec  ) ? $sec  : 0;
+        $this->trigger = array( 'params' => $params );
+        $this->trigger['value'] = array( 'year'  => $year
+                                        , 'month' => $month
+                                        , 'day'   => $day
+                                        , 'hour'  => $hour
+                                        , 'min'   => $min
+                                        , 'sec'   => $sec
+                                        , 'tz'    => 'Z' );
+        return TRUE;
     }
     elseif(( empty( $year ) && empty( $month )) &&    // duration
            (!empty( $week ) || !empty( $day ) || !empty( $hour ) || !empty( $min ) || !empty( $sec ))) {
-      unset( $params['RELATED'] ); // set at output creation (END only)
-      unset( $params['VALUE'] );   // 'DURATION' default
-      $this->trigger = array( 'params' => $params );
-      $relatedStart = ( FALSE !== $relatedStart ) ? TRUE : FALSE;
-      $before       = ( FALSE !== $before )       ? TRUE : FALSE;
-      $this->trigger['value']  = array( 'relatedStart' => $relatedStart
-                                      , 'before'       => $before );
-      if( !empty( $week )) $this->trigger['value']['week'] = $week;
-      if( !empty( $day  )) $this->trigger['value']['day']  = $day;
-      if( !empty( $hour )) $this->trigger['value']['hour'] = $hour;
-      if( !empty( $min  )) $this->trigger['value']['min']  = $min;
-      if( !empty( $sec  )) $this->trigger['value']['sec']  = $sec;
-      return TRUE;
+        unset( $params['RELATED'] ); // set at output creation (END only)
+        unset( $params['VALUE'] );   // 'DURATION' default
+        $this->trigger = array( 'params' => $params );
+        $relatedStart = ( FALSE !== $relatedStart ) ? TRUE : FALSE;
+        $before       = ( FALSE !== $before )       ? TRUE : FALSE;
+        $this->trigger['value']  = array( 'relatedStart' => $relatedStart
+                                        , 'before'       => $before );
+        if( !empty( $week )) $this->trigger['value']['week'] = $week;
+        if( !empty( $day  )) $this->trigger['value']['day']  = $day;
+        if( !empty( $hour )) $this->trigger['value']['hour'] = $hour;
+        if( !empty( $min  )) $this->trigger['value']['min']  = $min;
+        if( !empty( $sec  )) $this->trigger['value']['sec']  = $sec;
+        return TRUE;
     }
     return FALSE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: TZID
- */
+     * Property Name: TZID
+     */
 /**
- * creates formatted output for calendar component property tzid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createTzid() {
+     * creates formatted output for calendar component property tzid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createTzid() {
     if( empty( $this->tzid )) return FALSE;
     if( empty( $this->tzid['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZID' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZID' ) : FALSE;
     $attributes = $this->_createParams( $this->tzid['params'] );
     return $this->_createElement( 'TZID', $attributes, $this->_strrep( $this->tzid['value'] ));
-  }
+    }
 /**
- * set calendar component property tzid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param array $params optional
- * @return bool
- */
-  function setTzid( $value, $params=FALSE ) {
+     * set calendar component property tzid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param array $params optional
+     * @return bool
+     */
+    function setTzid( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->tzid = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * .. .
- * Property Name: TZNAME
- */
-/**
- * creates formatted output for calendar component property tzname
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createTzname() {
+     * .. .
+     * Property Name: TZNAME
+     */
+/**
+     * creates formatted output for calendar component property tzname
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createTzname() {
     if( empty( $this->tzname )) return FALSE;
     $output = null;
     foreach( $this->tzname as $theName ) {
-      if( !empty( $theName['value'] )) {
+        if( !empty( $theName['value'] )) {
         $attributes = $this->_createParams( $theName['params'], array( 'LANGUAGE' ));
         $output    .= $this->_createElement( 'TZNAME', $attributes, $this->_strrep( $theName['value'] ));
-      }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'TZNAME' );
+        }
+        elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'TZNAME' );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property tzname
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param string $value
- * @param string $params, optional
- * @param integer $index, optional
- * @return bool
- */
-  function setTzname( $value, $params=FALSE, $index=FALSE ) {
+     * set calendar component property tzname
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param string $value
+     * @param string $params, optional
+     * @param integer $index, optional
+     * @return bool
+     */
+    function setTzname( $value, $params=FALSE, $index=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->_setMval( $this->tzname, $value, $params, FALSE, $index );
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: TZOFFSETFROM
- */
+     * Property Name: TZOFFSETFROM
+     */
 /**
- * creates formatted output for calendar component property tzoffsetfrom
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createTzoffsetfrom() {
+     * creates formatted output for calendar component property tzoffsetfrom
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createTzoffsetfrom() {
     if( empty( $this->tzoffsetfrom )) return FALSE;
     if( empty( $this->tzoffsetfrom['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETFROM' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETFROM' ) : FALSE;
     $attributes = $this->_createParams( $this->tzoffsetfrom['params'] );
     return $this->_createElement( 'TZOFFSETFROM', $attributes, $this->tzoffsetfrom['value'] );
-  }
+    }
 /**
- * set calendar component property tzoffsetfrom
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return bool
- */
-  function setTzoffsetfrom( $value, $params=FALSE ) {
+     * set calendar component property tzoffsetfrom
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return bool
+     */
+    function setTzoffsetfrom( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->tzoffsetfrom = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: TZOFFSETTO
- */
+     * Property Name: TZOFFSETTO
+     */
 /**
- * creates formatted output for calendar component property tzoffsetto
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createTzoffsetto() {
+     * creates formatted output for calendar component property tzoffsetto
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createTzoffsetto() {
     if( empty( $this->tzoffsetto )) return FALSE;
     if( empty( $this->tzoffsetto['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETTO' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETTO' ) : FALSE;
     $attributes = $this->_createParams( $this->tzoffsetto['params'] );
     return $this->_createElement( 'TZOFFSETTO', $attributes, $this->tzoffsetto['value'] );
-  }
+    }
 /**
- * set calendar component property tzoffsetto
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return bool
- */
-  function setTzoffsetto( $value, $params=FALSE ) {
+     * set calendar component property tzoffsetto
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return bool
+     */
+    function setTzoffsetto( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->tzoffsetto = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: TZURL
- */
+     * Property Name: TZURL
+     */
 /**
- * creates formatted output for calendar component property tzurl
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createTzurl() {
+     * creates formatted output for calendar component property tzurl
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createTzurl() {
     if( empty( $this->tzurl )) return FALSE;
     if( empty( $this->tzurl['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZURL' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZURL' ) : FALSE;
     $attributes = $this->_createParams( $this->tzurl['params'] );
     return $this->_createElement( 'TZURL', $attributes, $this->tzurl['value'] );
-  }
+    }
 /**
- * set calendar component property tzurl
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return boll
- */
-  function setTzurl( $value, $params=FALSE ) {
+     * set calendar component property tzurl
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return boll
+     */
+    function setTzurl( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->tzurl = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: UID
- */
+     * Property Name: UID
+     */
 /**
- * creates formatted output for calendar component property uid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @return string
- */
-  function createUid() {
+     * creates formatted output for calendar component property uid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @return string
+     */
+    function createUid() {
     if( 0 >= count( $this->uid ))
-      $this->_makeuid();
+        $this->_makeuid();
     $attributes = $this->_createParams( $this->uid['params'] );
     return $this->_createElement( 'UID', $attributes, $this->uid['value'] );
-  }
+    }
 /**
- * create an unique id for this calendar component object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.7 - 2007-09-04
- * @return void
- */
-  function _makeUid() {
+     * create an unique id for this calendar component object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.7 - 2007-09-04
+     * @return void
+     */
+    function _makeUid() {
     $date   = date('Ymd\THisT');
     $unique = substr(microtime(), 2, 4);
     $base   = 'aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPrRsStTuUvVxXuUvVwWzZ1234567890';
@@ -3840,98 +3839,98 @@ 
     $length = 6;
     $str    = null;
     for( $p = 0; $p < $length; $p++ )
-      $unique .= $base{mt_rand( $start, $end )};
+        $unique .= $base{mt_rand( $start, $end )};
     $this->uid = array( 'params' => null );
     $this->uid['value']  = $date.'-'.$unique.'@'.$this->getConfig( 'unique_id' );
-  }
+    }
 /**
- * set calendar component property uid
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return bool
- */
-  function setUid( $value, $params=FALSE ) {
+     * set calendar component property uid
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return bool
+     */
+    function setUid( $value, $params=FALSE ) {
     if( empty( $value )) return FALSE; // no allowEmpty check here !!!!
     $this->uid = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: URL
- */
+     * Property Name: URL
+     */
 /**
- * creates formatted output for calendar component property url
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-21
- * @return string
- */
-  function createUrl() {
+     * creates formatted output for calendar component property url
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-21
+     * @return string
+     */
+    function createUrl() {
     if( empty( $this->url )) return FALSE;
     if( empty( $this->url['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'URL' ) : FALSE;
+        return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'URL' ) : FALSE;
     $attributes = $this->_createParams( $this->url['params'] );
     return $this->_createElement( 'URL', $attributes, $this->url['value'] );
-  }
+    }
 /**
- * set calendar component property url
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-11-04
- * @param string $value
- * @param string $params optional
- * @return bool
- */
-  function setUrl( $value, $params=FALSE ) {
+     * set calendar component property url
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-11-04
+     * @param string $value
+     * @param string $params optional
+     * @return bool
+     */
+    function setUrl( $value, $params=FALSE ) {
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $this->url = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
- * Property Name: x-prop
- */
+     * Property Name: x-prop
+     */
 /**
- * creates formatted output for calendar component property x-prop
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.11 - 2008-10-22
- * @return string
- */
-  function createXprop() {
+     * creates formatted output for calendar component property x-prop
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.11 - 2008-10-22
+     * @return string
+     */
+    function createXprop() {
     if( empty( $this->xprop )) return FALSE;
     $output = null;
     foreach( $this->xprop as $label => $xpropPart ) {
-      if( empty( $xpropPart['value'] )) {
+        if( empty( $xpropPart['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $label );
         continue;
-      }
-      $attributes = $this->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
-      if( is_array( $xpropPart['value'] )) {
+        }
+        $attributes = $this->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
+        if( is_array( $xpropPart['value'] )) {
         foreach( $xpropPart['value'] as $pix => $theXpart )
-          $xpropPart['value'][$pix] = $this->_strrep( $theXpart );
+            $xpropPart['value'][$pix] = $this->_strrep( $theXpart );
         $xpropPart['value']  = implode( ',', $xpropPart['value'] );
-      }
-      else
+        }
+        else
         $xpropPart['value'] = $this->_strrep( $xpropPart['value'] );
-      $output    .= $this->_createElement( $label, $attributes, $xpropPart['value'] );
+        $output    .= $this->_createElement( $label, $attributes, $xpropPart['value'] );
     }
     return $output;
-  }
+    }
 /**
- * set calendar component property x-prop
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
-	* @since 2.4.11 - 2008-11-04
- * @param string $label
- * @param mixed $value
- * @param array $params optional
- * @return bool
- */
-  function setXprop( $label, $value, $params=FALSE ) {
+     * set calendar component property x-prop
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.11 - 2008-11-04
+     * @param string $label
+     * @param mixed $value
+     * @param array $params optional
+     * @return bool
+     */
+    function setXprop( $label, $value, $params=FALSE ) {
     if( empty( $label )) return;
     if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
     $xprop           = array( 'value' => $value );
@@ -3940,20 +3939,20 @@ 
     if( !is_array( $this->xprop )) $this->xprop = array();
     $this->xprop[strtoupper( $label )] = $xprop;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * create element format parts
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.0.6 - 2006-06-20
- * @return string
- */
-  function _createFormat() {
+     * create element format parts
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.0.6 - 2006-06-20
+     * @return string
+     */
+    function _createFormat() {
     $objectname                   = null;
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         $objectname               = ( isset( $this->timezonetype )) ?
                                  strtolower( $this->timezonetype )  :  strtolower( $this->objName );
         $this->componentStart1    = $this->elementStart1 = '<';
@@ -3964,7 +3963,7 @@ 
         $this->attributeDelimiter = $this->nl;
         $this->valueInit          = null;
         break;
-      default:
+        default:
         $objectname               = ( isset( $this->timezonetype )) ?
                                  strtoupper( $this->timezonetype )  :  strtoupper( $this->objName );
         $this->componentStart1    = 'BEGIN:';
@@ -3981,232 +3980,232 @@ 
         break;
     }
     return $objectname;
-  }
+    }
 /**
- * creates formatted output for calendar component property
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-23
- * @param string $label property name
- * @param string $attributes property attributes
- * @param string $content property content (optional)
- * @return string
- */
-  function _createElement( $label, $attributes=null, $content=FALSE ) {
+     * creates formatted output for calendar component property
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-23
+     * @param string $label property name
+     * @param string $attributes property attributes
+     * @param string $content property content (optional)
+     * @return string
+     */
+    function _createElement( $label, $attributes=null, $content=FALSE ) {
     $label  = $this->_formatPropertyName( $label );
     $output = $this->elementStart1.$label;
     $categoriesAttrLang = null;
     $attachInlineBinary = FALSE;
     $attachfmttype      = null;
     if( !empty( $attributes ))  {
-      $attributes  = trim( $attributes );
-      if ( 'xcal' == $this->format) {
+        $attributes  = trim( $attributes );
+        if ( 'xcal' == $this->format) {
         $attributes2 = explode( $this->intAttrDelimiter, $attributes );
         $attributes  = null;
         foreach( $attributes2 as $attribute ) {
-          $attrKVarr = explode( '=', $attribute );
-          if( empty( $attrKVarr[0] ))
+            $attrKVarr = explode( '=', $attribute );
+            if( empty( $attrKVarr[0] ))
             continue;
-          if( !isset( $attrKVarr[1] )) {
+            if( !isset( $attrKVarr[1] )) {
             $attrValue = $attrKVarr[0];
             $attrKey   = null;
-          }
-          elseif( 2 == count( $attrKVarr)) {
+            }
+            elseif( 2 == count( $attrKVarr)) {
             $attrKey   = strtolower( $attrKVarr[0] );
             $attrValue = $attrKVarr[1];
-          }
-          else {
+            }
+            else {
             $attrKey   = strtolower( $attrKVarr[0] );
             unset( $attrKVarr[0] );
             $attrValue = implode( '=', $attrKVarr );
-          }
-          if(( 'attach' == $label ) && ( in_array( $attrKey, array( 'fmttype', 'encoding', 'value' )))) {
+            }
+            if(( 'attach' == $label ) && ( in_array( $attrKey, array( 'fmttype', 'encoding', 'value' )))) {
             $attachInlineBinary = TRUE;
             if( 'fmttype' == $attrKey )
-              $attachfmttype = $attrKey.'='.$attrValue;
+                $attachfmttype = $attrKey.'='.$attrValue;
             continue;
-          }
-          elseif(( 'categories' == $label ) && ( 'language' == $attrKey ))
+            }
+            elseif(( 'categories' == $label ) && ( 'language' == $attrKey ))
             $categoriesAttrLang = $attrKey.'='.$attrValue;
-          else {
+            else {
             $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
             $attributes .= ( !empty( $attrKey )) ? $attrKey.'=' : null;
             if(( '"' == substr( $attrValue, 0, 1 )) && ( '"' == substr( $attrValue, -1 ))) {
-              $attrValue = substr( $attrValue, 1, ( strlen( $attrValue ) - 2 ));
-              $attrValue = str_replace( '"', '', $attrValue );
+                $attrValue = substr( $attrValue, 1, ( strlen( $attrValue ) - 2 ));
+                $attrValue = str_replace( '"', '', $attrValue );
             }
             $attributes .= '"'.htmlspecialchars( $attrValue ).'"';
-          }
+            }
+        }
         }
-      }
-      else {
+        else {
         $attributes = str_replace( $this->intAttrDelimiter, $this->attributeDelimiter, $attributes );
-      }
+        }
     }
     if(((( 'attach' == $label ) && !$attachInlineBinary ) ||
          ( in_array( $label, array( 'tzurl', 'url' ))))      && ( 'xcal' == $this->format)) {
-      $pos = strrpos($content, "/");
-      $docname = ( $pos !== false) ? substr( $content, (1 - strlen( $content ) + $pos )) : $content;
-      $this->xcaldecl[] = array( 'xmldecl'  => 'ENTITY'
-                               , 'uri'      => $docname
-                               , 'ref'      => 'SYSTEM'
-                               , 'external' => $content
-                               , 'type'     => 'NDATA'
-                               , 'type2'    => 'BINERY' );
-      $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
-      $attributes .= 'uri="'.$docname.'"';
-      $content = null;
-      if( 'attach' == $label ) {
+        $pos = strrpos($content, "/");
+        $docname = ( $pos !== false) ? substr( $content, (1 - strlen( $content ) + $pos )) : $content;
+        $this->xcaldecl[] = array( 'xmldecl'  => 'ENTITY'
+                                , 'uri'      => $docname
+                                , 'ref'      => 'SYSTEM'
+                                , 'external' => $content
+                                , 'type'     => 'NDATA'
+                                , 'type2'    => 'BINERY' );
+        $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
+        $attributes .= 'uri="'.$docname.'"';
+        $content = null;
+        if( 'attach' == $label ) {
         $attributes = str_replace( $this->attributeDelimiter, $this->intAttrDelimiter, $attributes );
         $content = $this->_createElement( 'extref', $attributes, null );
         $attributes = null;
-      }
+        }
     }
     elseif(( 'attach' == $label ) && $attachInlineBinary && ( 'xcal' == $this->format)) {
-      $content = $this->nl.$this->_createElement( 'b64bin', $attachfmttype, $content ); // max one attribute
+        $content = $this->nl.$this->_createElement( 'b64bin', $attachfmttype, $content ); // max one attribute
     }
     $output .= $attributes;
     if( !$content ) {
-      switch( $this->format ) {
+        switch( $this->format ) {
         case 'xcal':
           $output .= ' /';
-          $output .= $this->elementStart2;
-          return $output;
-          break;
+            $output .= $this->elementStart2;
+            return $output;
+            break;
         default:
           $output .= $this->elementStart2.$this->valueInit;
-          return $this->_size75( $output );
-          break;
-      }
+            return $this->_size75( $output );
+            break;
+        }
     }
     $output .= $this->elementStart2;
     $output .= $this->valueInit.$content;
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         return $output.$this->elementEnd1.$label.$this->elementEnd2;
         break;
-      default:
+        default:
         return $this->_size75( $output );
         break;
     }
-  }
+    }
 /**
- * creates formatted output for calendar component property parameters
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.22 - 2007-04-10
- * @param array $params  optional
- * @param array $ctrKeys optional
- * @return string
- */
-  function _createParams( $params=array(), $ctrKeys=array() ) {
+     * creates formatted output for calendar component property parameters
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.22 - 2007-04-10
+     * @param array $params  optional
+     * @param array $ctrKeys optional
+     * @return string
+     */
+    function _createParams( $params=array(), $ctrKeys=array() ) {
     $attrLANG = $attr1 = $attr2 = null;
     $CNattrKey   = ( in_array( 'CN',       $ctrKeys )) ? TRUE : FALSE ;
     $LANGattrKey = ( in_array( 'LANGUAGE', $ctrKeys )) ? TRUE : FALSE ;
     $CNattrExist = $LANGattrExist = FALSE;
     if( is_array( $params )) {
-      foreach( $params as $paramKey => $paramValue ) {
+        foreach( $params as $paramKey => $paramValue ) {
         if( is_int( $paramKey ))
-          $attr2            .= $this->intAttrDelimiter.$paramValue;
+            $attr2            .= $this->intAttrDelimiter.$paramValue;
         elseif(( 'LANGUAGE' == $paramKey ) && $LANGattrKey ) {
-          $attrLANG         .= $this->intAttrDelimiter."LANGUAGE=$paramValue";
-          $LANGattrExist     = TRUE;
+            $attrLANG         .= $this->intAttrDelimiter."LANGUAGE=$paramValue";
+            $LANGattrExist     = TRUE;
         }
         elseif(( 'CN'       == $paramKey ) && $CNattrKey ) {
-          $attr1             = $this->intAttrDelimiter.'CN="'.$paramValue.'"';
-          $CNattrExist       = TRUE;
+            $attr1             = $this->intAttrDelimiter.'CN="'.$paramValue.'"';
+            $CNattrExist       = TRUE;
         }
         elseif(( 'ALTREP'   == $paramKey ) && in_array( $paramKey, $ctrKeys ))
-          $attr2            .= $this->intAttrDelimiter.'ALTREP="'.$paramValue.'"';
+            $attr2            .= $this->intAttrDelimiter.'ALTREP="'.$paramValue.'"';
         elseif(( 'DIR'      == $paramKey ) && in_array( $paramKey, $ctrKeys ))
-          $attr2            .= $this->intAttrDelimiter.'DIR="'.$paramValue.'"';
+            $attr2            .= $this->intAttrDelimiter.'DIR="'.$paramValue.'"';
         elseif(( 'SENT-BY'  == $paramKey ) && in_array( $paramKey, $ctrKeys ))
-          $attr2            .= $this->intAttrDelimiter.'SENT-BY="MAILTO:'.$paramValue.'"';
+            $attr2            .= $this->intAttrDelimiter.'SENT-BY="MAILTO:'.$paramValue.'"';
         else
-          $attr2            .= $this->intAttrDelimiter."$paramKey=$paramValue";
-      }
+            $attr2            .= $this->intAttrDelimiter."$paramKey=$paramValue";
+        }
     }
     if( !$LANGattrExist ) {
-      $lang = $this->getConfig( 'language' );
-      if(( $CNattrExist || $LANGattrKey ) && $lang )
+        $lang = $this->getConfig( 'language' );
+        if(( $CNattrExist || $LANGattrKey ) && $lang )
         $attrLANG .= $this->intAttrDelimiter.'LANGUAGE='.$lang;
     }
     return $attrLANG.$attr1.$attr2;
-  }
+    }
 /**
- * check a date(-time) for an opt. timezone and if it is a DATE-TIME or DATE
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-25
- * @param array $date, date to check
- * @param int $parno, no of date parts (i.e. year, month.. .)
- * @return array $params, property parameters
- */
-  function _chkdatecfg( $theDate, & $parno, & $params ) {
+     * check a date(-time) for an opt. timezone and if it is a DATE-TIME or DATE
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-25
+     * @param array $date, date to check
+     * @param int $parno, no of date parts (i.e. year, month.. .)
+     * @return array $params, property parameters
+     */
+    function _chkdatecfg( $theDate, & $parno, & $params ) {
     if( isset( $params['TZID'] ))
-      $parno = 6;
+        $parno = 6;
     elseif( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] ))
-      $parno = 3;
+        $parno = 3;
     else {
-      if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] ))
+        if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] ))
         $parno = 7;
-      if( is_array( $theDate )) {
+        if( is_array( $theDate )) {
         if( isset( $theDate['timestamp'] ))
-          $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null;
+            $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null;
         else
-          $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null;
+            $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null;
         if( !empty( $tzid )) {
-          $parno = 7;
-          if( !$this->_isOffset( $tzid ))
+            $parno = 7;
+            if( !$this->_isOffset( $tzid ))
             $params['TZID'] = $tzid; // save only timezone
         }
         elseif( !$parno && ( 3 == count( $theDate )) && 
           ( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] )))
-          $parno = 3;
+            $parno = 3;
         else
-          $parno = 6;
-      }
-      else { // string
+            $parno = 6;
+        }
+        else { // string
         $date = trim( $theDate );
         if( 'Z' == substr( $date, -1 ))
-          $parno = 7; // UTC DATE-TIME
+            $parno = 7; // UTC DATE-TIME
         elseif((( 8 == strlen( $date ) && ctype_digit( $date )) || ( 11 >= strlen( $date ))) && 
           ( !isset( $params['VALUE'] ) || !in_array( $params['VALUE'], array( 'DATE-TIME', 'PERIOD' ))))
-          $parno = 3; // DATE
+            $parno = 3; // DATE
         $date = $this->_date_time_string( $date, $parno );
         if( !empty( $date['tz'] )) {
-          $parno = 7;
-          if( !$this->_isOffset( $date['tz'] ))
+            $parno = 7;
+            if( !$this->_isOffset( $date['tz'] ))
             $params['TZID'] = $date['tz']; // save only timezone
         }
         elseif( empty( $parno ))
-          $parno = 6;
-      }
-      if( isset( $params['TZID'] ))
+            $parno = 6;
+        }
+        if( isset( $params['TZID'] ))
         $parno = 6;
     }
-  }
+    }
 /**
- * convert local startdate/enddate (Ymd[His]) to duration
- *
- * uses this component dates if missing input dates
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.11 - 2007-11-03
- * @param array $startdate, optional
- * @param array $duration, optional
- * @return array duration
- */
-  function _date2duration( $startdate=FALSE, $enddate=FALSE ) {
+     * convert local startdate/enddate (Ymd[His]) to duration
+     *
+     * uses this component dates if missing input dates
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.11 - 2007-11-03
+     * @param array $startdate, optional
+     * @param array $duration, optional
+     * @return array duration
+     */
+    function _date2duration( $startdate=FALSE, $enddate=FALSE ) {
     if( !$startdate || !$enddate ) {
-      if(   FALSE === ( $startdate = $this->getProperty( 'dtstart' )))
+        if(   FALSE === ( $startdate = $this->getProperty( 'dtstart' )))
         return null;
-      if(   FALSE === ( $enddate   = $this->getProperty( 'dtend' )))    // vevent/vfreebusy
+        if(   FALSE === ( $enddate   = $this->getProperty( 'dtend' )))    // vevent/vfreebusy
         if( FALSE === ( $enddate   = $this->getProperty( 'due' )))      // vtodo
-          return null;
+            return null;
     }
     if( !$startdate || !$enddate )
-      return null;
+        return null;
     $startWdate  = mktime( 0, 0, 0, $startdate['month'], $startdate['day'], $startdate['year'] );
     $endWdate    = mktime( 0, 0, 0, $enddate['month'],   $enddate['day'],   $enddate['year'] );
     $wduration   = $endWdate - $startWdate;
@@ -4220,137 +4219,137 @@ 
     $dur['min']  = (int) floor( $wduration / ( 60 ));
     $dur['sec']  = (int)        $wduration % ( 60 );
     return $dur;
-  }
+    }
 /**
- * convert date/datetime to timestamp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-30
- * @param array  $datetime  datetime/(date)
- * @param string $tz        timezone
- * @return timestamp
- */
-  function _date2timestamp( $datetime, $tz=null ) {
+     * convert date/datetime to timestamp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-30
+     * @param array  $datetime  datetime/(date)
+     * @param string $tz        timezone
+     * @return timestamp
+     */
+    function _date2timestamp( $datetime, $tz=null ) {
     $output = null;
     if( !isset( $datetime['hour'] )) $datetime['hour'] = '0';
     if( !isset( $datetime['min'] ))  $datetime['min']  = '0';
     if( !isset( $datetime['sec'] ))  $datetime['sec']  = '0';
     foreach( $datetime as $dkey => $dvalue ) {
-      if( 'tz' != $dkey )
+        if( 'tz' != $dkey )
         $datetime[$dkey] = (integer) $dvalue;
     }
     if( $tz )
-      $datetime['tz'] = $tz;
+        $datetime['tz'] = $tz;
     $offset = ( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) ? $this->_tz2offset( $datetime['tz'] ) : 0;
     $output = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year'] );
     return $output;
-  }
+    }
 /**
- * ensures internal date-time/date format for input date-time/date in array format
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.3.0 - 2006-08-15
- * @param array $datetime
- * @param int $parno optional, default FALSE
- * @return array
- */
-  function _date_time_array( $datetime, $parno=FALSE ) {
+     * ensures internal date-time/date format for input date-time/date in array format
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.3.0 - 2006-08-15
+     * @param array $datetime
+     * @param int $parno optional, default FALSE
+     * @return array
+     */
+    function _date_time_array( $datetime, $parno=FALSE ) {
     $output = array();
     foreach( $datetime as $dateKey => $datePart ) {
-      switch ( $dateKey ) {
+        switch ( $dateKey ) {
         case '0': case 'year':   $output['year']  = $datePart; break;
         case '1': case 'month':  $output['month'] = $datePart; break;
         case '2': case 'day':    $output['day']   = $datePart; break;
-      }
-      if( 3 != $parno ) {
+        }
+        if( 3 != $parno ) {
         switch ( $dateKey ) {
-          case '0':
+            case '0':
           case '1':
           case '2': break;
-          case '3': case 'hour': $output['hour']  = $datePart; break;
-          case '4': case 'min' : $output['min']   = $datePart; break;
-          case '5': case 'sec' : $output['sec']   = $datePart; break;
-          case '6': case 'tz'  : $output['tz']    = $datePart; break;
+            case '3': case 'hour': $output['hour']  = $datePart; break;
+            case '4': case 'min' : $output['min']   = $datePart; break;
+            case '5': case 'sec' : $output['sec']   = $datePart; break;
+            case '6': case 'tz'  : $output['tz']    = $datePart; break;
+        }
         }
-      }
     }
     if( 3 != $parno ) {
-      if( !isset( $output['hour'] ))
+        if( !isset( $output['hour'] ))
         $output['hour'] = 0;
-      if( !isset( $output['min']  ))
+        if( !isset( $output['min']  ))
         $output['min'] = 0;
-      if( !isset( $output['sec']  ))
+        if( !isset( $output['sec']  ))
         $output['sec'] = 0;
     }
     return $output;
-  }
+    }
 /**
- * ensures internal date-time/date format for input date-time/date in string fromat
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.10 - 2007-10-19
- * @param array $datetime
- * @param int $parno optional, default FALSE
- * @return array
- */
-  function _date_time_string( $datetime, $parno=FALSE ) {
+     * ensures internal date-time/date format for input date-time/date in string fromat
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.10 - 2007-10-19
+     * @param array $datetime
+     * @param int $parno optional, default FALSE
+     * @return array
+     */
+    function _date_time_string( $datetime, $parno=FALSE ) {
     $datetime = (string) trim( $datetime );
     $tz  = null;
     $len = strlen( $datetime ) - 1;
     if( 'Z' == substr( $datetime, -1 )) {
-      $tz = 'Z';
-      $datetime = trim( substr( $datetime, 0, $len ));
+        $tz = 'Z';
+        $datetime = trim( substr( $datetime, 0, $len ));
     }
     elseif( ( ctype_digit( substr( $datetime, -2, 2 ))) && // time or date
                   ( '-' == substr( $datetime, -3, 1 )) ||
                   ( ':' == substr( $datetime, -3, 1 )) ||
                   ( '.' == substr( $datetime, -3, 1 ))) {
-      $continue = TRUE;
+        $continue = TRUE;
     }
     elseif( ( ctype_digit( substr( $datetime, -4, 4 ))) && // 4 pos offset
             ( ' +' == substr( $datetime, -6, 2 )) ||
             ( ' -' == substr( $datetime, -6, 2 ))) {
-      $tz = substr( $datetime, -5, 5 );
-      $datetime = substr( $datetime, 0, ($len - 5));
+        $tz = substr( $datetime, -5, 5 );
+        $datetime = substr( $datetime, 0, ($len - 5));
     }
     elseif( ( ctype_digit( substr( $datetime, -6, 6 ))) && // 6 pos offset
             ( ' +' == substr( $datetime, -8, 2 )) ||
             ( ' -' == substr( $datetime, -8, 2 ))) {
-      $tz = substr( $datetime, -7, 7 );
-      $datetime = substr( $datetime, 0, ($len - 7));
+        $tz = substr( $datetime, -7, 7 );
+        $datetime = substr( $datetime, 0, ($len - 7));
     }
     elseif( ( 6 < $len ) && ( ctype_digit( substr( $datetime, -6, 6 )))) {
-      $continue = TRUE;
+        $continue = TRUE;
     }
     elseif( 'T' ==  substr( $datetime, -7, 1 )) {
-      $continue = TRUE;
+        $continue = TRUE;
     }
     else {
-      $cx  = $tx = 0;    //  19970415T133000 US-Eastern
-      for( $cx = -1; $cx > ( 9 - $len ); $cx-- ) {
+        $cx  = $tx = 0;    //  19970415T133000 US-Eastern
+        for( $cx = -1; $cx > ( 9 - $len ); $cx-- ) {
         if(( ' ' == substr( $datetime, $cx, 1 )) || ctype_digit( substr( $datetime, $cx, 1 )))
-          break; // if exists, tz ends here.. . ?
+            break; // if exists, tz ends here.. . ?
         elseif( ctype_alpha( substr( $datetime, $cx, 1 )) ||
              ( in_array( substr( $datetime, $cx, 1 ), array( '-', '/' ))))
-          $tx--; // tz length counter
-      }
-      if( 0 > $tx ) {
+            $tx--; // tz length counter
+        }
+        if( 0 > $tx ) {
         $tz = substr( $datetime, $tx );
         $datetime = trim( substr( $datetime, 0, $len + $tx + 1 ));
-      }
+        }
     }
     if( 0 < substr_count( $datetime, '-' )) {
-      $datetime = str_replace( '-', '/', $datetime );
+        $datetime = str_replace( '-', '/', $datetime );
     }
     elseif( ctype_digit( substr( $datetime, 0, 8 )) &&
            ( 'T' ==      substr( $datetime, 8, 1 )) &&
             ctype_digit( substr( $datetime, 9, 6 ))) {
-      $datetime = substr( $datetime,  4, 2 )
-             .'/'.substr( $datetime,  6, 2 )
-             .'/'.substr( $datetime,  0, 4 )
-             .' '.substr( $datetime,  9, 2 )
-             .':'.substr( $datetime, 11, 2 )
-             .':'.substr( $datetime, 13);
+        $datetime = substr( $datetime,  4, 2 )
+                .'/'.substr( $datetime,  6, 2 )
+                .'/'.substr( $datetime,  0, 4 )
+                .' '.substr( $datetime,  9, 2 )
+                .':'.substr( $datetime, 11, 2 )
+                .':'.substr( $datetime, 13);
     }
     $datestring = date( 'Y-m-d H:i:s', strtotime( $datetime ));
     $tz                = trim( $tz );
@@ -4359,112 +4358,112 @@ 
     $output['month']   = substr( $datestring, 5, 2 );
     $output['day']     = substr( $datestring, 8, 2 );
     if(( 6 == $parno ) || ( 7 == $parno )) {
-      $output['hour']  = substr( $datestring, 11, 2 );
-      $output['min']   = substr( $datestring, 14, 2 );
-      $output['sec']   = substr( $datestring, 17, 2 );
-      if( !empty( $tz ))
+        $output['hour']  = substr( $datestring, 11, 2 );
+        $output['min']   = substr( $datestring, 14, 2 );
+        $output['sec']   = substr( $datestring, 17, 2 );
+        if( !empty( $tz ))
         $output['tz']  = $tz;
     }
     elseif( 3 != $parno ) {
-      if(( '00' < substr( $datestring, 11, 2 )) ||
+        if(( '00' < substr( $datestring, 11, 2 )) ||
          ( '00' < substr( $datestring, 14, 2 )) ||
          ( '00' < substr( $datestring, 17, 2 ))) {
         $output['hour']  = substr( $datestring, 11, 2 );
         $output['min']   = substr( $datestring, 14, 2 );
         $output['sec']   = substr( $datestring, 17, 2 );
-      }
-      if( !empty( $tz ))
+        }
+        if( !empty( $tz ))
         $output['tz']  = $tz;
     }
     return $output;
-  }
+    }
 /**
- * ensures internal duration format for input in array format
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.1.1 - 2007-06-24
- * @param array $duration
- * @return array
- */
-  function _duration_array( $duration ) {
+     * ensures internal duration format for input in array format
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.1.1 - 2007-06-24
+     * @param array $duration
+     * @return array
+     */
+    function _duration_array( $duration ) {
     $output = array();
     if(    is_array( $duration )        &&
        ( 1 == count( $duration ))       &&
               isset( $duration['sec'] ) &&
               ( 60 < $duration['sec'] )) {
-      $durseconds  = $duration['sec'];
-      $output['week'] = floor( $durseconds / ( 60 * 60 * 24 * 7 ));
-      $durseconds  =           $durseconds % ( 60 * 60 * 24 * 7 );
-      $output['day']  = floor( $durseconds / ( 60 * 60 * 24 ));
-      $durseconds  =           $durseconds % ( 60 * 60 * 24 );
-      $output['hour'] = floor( $durseconds / ( 60 * 60 ));
-      $durseconds  =           $durseconds % ( 60 * 60 );
-      $output['min']  = floor( $durseconds / ( 60 ));
-      $output['sec']  =      ( $durseconds % ( 60 ));
+        $durseconds  = $duration['sec'];
+        $output['week'] = floor( $durseconds / ( 60 * 60 * 24 * 7 ));
+        $durseconds  =           $durseconds % ( 60 * 60 * 24 * 7 );
+        $output['day']  = floor( $durseconds / ( 60 * 60 * 24 ));
+        $durseconds  =           $durseconds % ( 60 * 60 * 24 );
+        $output['hour'] = floor( $durseconds / ( 60 * 60 ));
+        $durseconds  =           $durseconds % ( 60 * 60 );
+        $output['min']  = floor( $durseconds / ( 60 ));
+        $output['sec']  =      ( $durseconds % ( 60 ));
     }
     else {
-      foreach( $duration as $durKey => $durValue ) {
+        foreach( $duration as $durKey => $durValue ) {
         if( empty( $durValue )) continue;
         switch ( $durKey ) {
-          case '0': case 'week': $output['week']  = $durValue; break;
-          case '1': case 'day':  $output['day']   = $durValue; break;
-          case '2': case 'hour': $output['hour']  = $durValue; break;
-          case '3': case 'min':  $output['min']   = $durValue; break;
-          case '4': case 'sec':  $output['sec']   = $durValue; break;
+            case '0': case 'week': $output['week']  = $durValue; break;
+            case '1': case 'day':  $output['day']   = $durValue; break;
+            case '2': case 'hour': $output['hour']  = $durValue; break;
+            case '3': case 'min':  $output['min']   = $durValue; break;
+            case '4': case 'sec':  $output['sec']   = $durValue; break;
+        }
         }
-      }
     }
     if( isset( $output['week'] ) && ( 0 < $output['week'] )) {
-      unset( $output['day'], $output['hour'], $output['min'], $output['sec'] );
-      return $output;
+        unset( $output['day'], $output['hour'], $output['min'], $output['sec'] );
+        return $output;
     }
     unset( $output['week'] );
     if( empty( $output['day'] ))
-      unset( $output['day'] );
+        unset( $output['day'] );
     if ( isset( $output['hour'] ) || isset( $output['min'] ) || isset( $output['sec'] )) {
-      if( !isset( $output['hour'] )) $output['hour'] = 0;
-      if( !isset( $output['min']  )) $output['min']  = 0;
-      if( !isset( $output['sec']  )) $output['sec']  = 0;
-      if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] ))
+        if( !isset( $output['hour'] )) $output['hour'] = 0;
+        if( !isset( $output['min']  )) $output['min']  = 0;
+        if( !isset( $output['sec']  )) $output['sec']  = 0;
+        if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] ))
         unset( $output['hour'], $output['min'], $output['sec'] );
     }
     return $output;
-  }
+    }
 /**
- * convert duration to date in array format based on input or dtstart value
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-30
- * @param array $startdate, optional
- * @param array $duration, optional
- * @return array, date format
- */
-  function duration2date( $startdate=FALSE, $duration=FALSE ) {
+     * convert duration to date in array format based on input or dtstart value
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-30
+     * @param array $startdate, optional
+     * @param array $duration, optional
+     * @return array, date format
+     */
+    function duration2date( $startdate=FALSE, $duration=FALSE ) {
     if( $startdate && $duration ) {
-      $d1               = $startdate;
-      $dur              = $duration;
+        $d1               = $startdate;
+        $dur              = $duration;
     }
     elseif( isset( $this->dtstart['value'] ) && isset( $this->duration['value'] )) {
-      $d1               = $this->dtstart['value'];
-      $dur              = $this->duration['value'];
+        $d1               = $this->dtstart['value'];
+        $dur              = $this->duration['value'];
     }
     else
-      return null;
+        return null;
     $dateOnly         = ( isset( $d1['hour'] ) || isset( $d1['min'] ) || isset( $d1['sec'] )) ? FALSE : TRUE;
     $d1['hour']       = ( isset( $d1['hour'] )) ? $d1['hour'] : 0;
     $d1['min']        = ( isset( $d1['min'] ))  ? $d1['min']  : 0;
     $d1['sec']        = ( isset( $d1['sec'] ))  ? $d1['sec']  : 0;
     $dtend = mktime( $d1['hour'], $d1['min'], $d1['sec'], $d1['month'], $d1['day'], $d1['year'] );
     if( isset( $dur['week'] ))
-      $dtend += ( $dur['week'] * 7 * 24 * 60 * 60 );
+        $dtend += ( $dur['week'] * 7 * 24 * 60 * 60 );
     if( isset( $dur['day'] ))
-      $dtend += ( $dur['day'] * 24 * 60 * 60 );
+        $dtend += ( $dur['day'] * 24 * 60 * 60 );
     if( isset( $dur['hour'] ))
-      $dtend += ( $dur['hour'] * 60 *60 );
+        $dtend += ( $dur['hour'] * 60 *60 );
     if( isset( $dur['min'] ))
-      $dtend += ( $dur['min'] * 60 );
+        $dtend += ( $dur['min'] * 60 );
     if( isset( $dur['sec'] ))
-      $dtend +=   $dur['sec'];
+        $dtend +=   $dur['sec'];
     $dtend2 = array();
     $dtend2['year']   = date('Y', $dtend );
     $dtend2['month']  = date('m', $dtend );
@@ -4473,112 +4472,112 @@ 
     $dtend2['min']    = date('i', $dtend );
     $dtend2['sec']    = date('s', $dtend );
     if( isset( $d1['tz'] ))
-      $dtend2['tz']   = $d1['tz'];
+        $dtend2['tz']   = $d1['tz'];
     if( $dateOnly && (( 0 == $dtend2['hour'] ) && ( 0 == $dtend2['min'] ) && ( 0 == $dtend2['sec'] )))
-      unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] );
+        unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] );
     return $dtend2;
-  }
+    }
 /**
- * ensures internal duration format for input in string format
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.0.5 - 2007-03-14
- * @param string $duration
- * @return array
- */
-  function _duration_string( $duration ) {
-   $duration = (string) trim( $duration );
-   while( 'P' != strtoupper( substr( $duration, 0, 1 ))) {
-     if( 0 < strlen( $duration ))
-       $duration = substr( $duration, 1 );
-     else
-       return false; // no leading P !?!?
-   }
-   $duration = substr( $duration, 1 ); // skip P
-   $duration = str_replace ( 't', 'T', $duration );
-   $duration = str_replace ( 'T', '', $duration );
-   $output = array();
-   $val    = null;
-   for( $ix=0; $ix < strlen( $duration ); $ix++ ) {
-     switch( strtoupper( $duration{$ix} )) {
-      case 'W':
+     * ensures internal duration format for input in string format
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.0.5 - 2007-03-14
+     * @param string $duration
+     * @return array
+     */
+    function _duration_string( $duration ) {
+    $duration = (string) trim( $duration );
+    while( 'P' != strtoupper( substr( $duration, 0, 1 ))) {
+        if( 0 < strlen( $duration ))
+        $duration = substr( $duration, 1 );
+        else
+        return false; // no leading P !?!?
+    }
+    $duration = substr( $duration, 1 ); // skip P
+    $duration = str_replace ( 't', 'T', $duration );
+    $duration = str_replace ( 'T', '', $duration );
+    $output = array();
+    $val    = null;
+    for( $ix=0; $ix < strlen( $duration ); $ix++ ) {
+        switch( strtoupper( $duration{$ix} )) {
+        case 'W':
         $output['week'] = $val;
         $val            = null;
         break;
-      case 'D':
+        case 'D':
         $output['day']  = $val;
         $val            = null;
         break;
-      case 'H':
+        case 'H':
         $output['hour'] = $val;
         $val            = null;
         break;
-      case 'M':
+        case 'M':
         $output['min']  = $val;
         $val            = null;
         break;
-      case 'S':
+        case 'S':
         $output['sec']  = $val;
         $val            = null;
         break;
-      default:
+        default:
         if( !ctype_digit( $duration{$ix} ))
-          return false; // unknown duration controll character  !?!?
+            return false; // unknown duration controll character  !?!?
         else
-          $val .= $duration{$ix};
-     }
-   }
-   return $this->_duration_array( $output );
-  }
-/**
- * if not preSet, if exist, remove key with expected value from array and return hit value else return elseValue
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-11-08
- * @param array $array
- * @param string $expkey, expected key
- * @param string $expval, expected value
- * @param int $hitVal optional, return value if found
- * @param int $elseVal optional, return value if not found
- * @param int $preSet optional, return value if already preset
- * @return int
- */
-  function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) {
+            $val .= $duration{$ix};
+        }
+    }
+    return $this->_duration_array( $output );
+    }
+/**
+     * if not preSet, if exist, remove key with expected value from array and return hit value else return elseValue
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-11-08
+     * @param array $array
+     * @param string $expkey, expected key
+     * @param string $expval, expected value
+     * @param int $hitVal optional, return value if found
+     * @param int $elseVal optional, return value if not found
+     * @param int $preSet optional, return value if already preset
+     * @return int
+     */
+    function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) {
     if( $preSet )
-      return $preSet;
+        return $preSet;
     if( !is_array( $array ) || ( 0 == count( $array )))
-      return $elseVal;
+        return $elseVal;
     foreach( $array as $key => $value ) {
-      if( strtoupper( $expkey ) == strtoupper( $key )) {
+        if( strtoupper( $expkey ) == strtoupper( $key )) {
         if( !$expval || ( strtoupper( $expval ) == strtoupper( $array[$key] ))) {
-          unset( $array[$key] );
-          return $hitVal;
+            unset( $array[$key] );
+            return $hitVal;
+        }
         }
-      }
     }
     return $elseVal;
-  }
+    }
 /**
- * creates formatted output for calendar component property data value type date/date-time
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-30
- * @param array   $datetime
- * @param int     $parno, optional, default 6
- * @return string
- */
-  function _format_date_time( $datetime, $parno=6 ) {
+     * creates formatted output for calendar component property data value type date/date-time
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-30
+     * @param array   $datetime
+     * @param int     $parno, optional, default 6
+     * @return string
+     */
+    function _format_date_time( $datetime, $parno=6 ) {
     if( !isset( $datetime['year'] )  &&
         !isset( $datetime['month'] ) &&
         !isset( $datetime['day'] )   &&
         !isset( $datetime['hour'] )  &&
         !isset( $datetime['min'] )   &&
         !isset( $datetime['sec'] ))
-      return ;
+        return ;
     $output = null;
     // if( !isset( $datetime['day'] )) { $o=''; foreach($datetime as $k=>$v) {if(is_array($v)) $v=implode('-',$v);$o.=" $k=>$v";} echo " day SAKNAS : $o <br />\n"; }
     foreach( $datetime as $dkey => $dvalue ) {
-      if( 'tz' != $dkey )
+        if( 'tz' != $dkey )
         $datetime[$dkey] = (integer) $dvalue;
     }
     $output = date('Ymd', mktime( 0, 0, 0, $datetime['month'], $datetime['day'], $datetime['year']));
@@ -4586,101 +4585,101 @@ 
         isset( $datetime['min'] )   ||
         isset( $datetime['sec'] )   ||
         isset( $datetime['tz'] )) {
-      if( isset( $datetime['tz'] )  &&
+        if( isset( $datetime['tz'] )  &&
          !isset( $datetime['hour'] ))
         $datetime['hour'] = 0;
-      if( isset( $datetime['hour'] )  &&
+        if( isset( $datetime['hour'] )  &&
          !isset( $datetime['min'] ))
         $datetime['min'] = 0;
-      if( isset( $datetime['hour'] )  &&
+        if( isset( $datetime['hour'] )  &&
           isset( $datetime['min'] )   &&
          !isset( $datetime['sec'] ))
         $datetime['sec'] = 0;
-      $date = mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year']);
-      $output .= date('\THis', $date );
-      if( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) {
+        $date = mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year']);
+        $output .= date('\THis', $date );
+        if( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) {
         $datetime['tz'] = trim( $datetime['tz'] );
         if( 'Z' == $datetime['tz'] )
-          $output .= 'Z';
+            $output .= 'Z';
         $offset = $this->_tz2offset( $datetime['tz'] );
         if( 0 != $offset ) {
-          $date = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']);
-          $output    = date( 'Ymd\THis\Z', $date );
+            $date = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']);
+            $output    = date( 'Ymd\THis\Z', $date );
         }
-      }
-      elseif( 7 == $parno )
+        }
+        elseif( 7 == $parno )
         $output .= 'Z';
     }
     return $output;
-  }
+    }
 /**
- * creates formatted output for calendar component property data value type duration
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-10
- * @param array $duration ( week, day, hour, min, sec )
- * @return string
- */
-  function _format_duration( $duration ) {
+     * creates formatted output for calendar component property data value type duration
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-10
+     * @param array $duration ( week, day, hour, min, sec )
+     * @return string
+     */
+    function _format_duration( $duration ) {
     if( !isset( $duration['week'] ) &&
         !isset( $duration['day'] )  &&
         !isset( $duration['hour'] ) &&
         !isset( $duration['min'] )  &&
         !isset( $duration['sec'] ))
-      return;
+        return;
     $output = 'P';
     if( isset( $duration['week'] ) && ( 0 < $duration['week'] ))
-      $output   .= $duration['week'].'W';
+        $output   .= $duration['week'].'W';
     else {
-      if( isset($duration['day'] ) && ( 0 < $duration['day'] ))
+        if( isset($duration['day'] ) && ( 0 < $duration['day'] ))
         $output .= $duration['day'].'D';
-      if(( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ||
+        if(( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ||
          ( isset( $duration['min'])  && ( 0 < $duration['min'] ))  ||
          ( isset( $duration['sec'])  && ( 0 < $duration['sec'] ))) {
         $output .= 'T';
         $output .= ( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ? $duration['hour'].'H' : '0H';
         $output .= ( isset( $duration['min'])  && ( 0 < $duration['min'] ))  ? $duration['min']. 'M' : '0M';
         $output .= ( isset( $duration['sec'])  && ( 0 < $duration['sec'] ))  ? $duration['sec']. 'S' : '0S';
-      }
+        }
     }
     return $output;
-  }
+    }
 /**
- * creates formatted output for calendar component property data value type recur
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-22
- * @param array $recurlabel
- * @param array $recurdata
- * @return string
- */
-  function _format_recur( $recurlabel, $recurdata ) {
+     * creates formatted output for calendar component property data value type recur
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-22
+     * @param array $recurlabel
+     * @param array $recurdata
+     * @return string
+     */
+    function _format_recur( $recurlabel, $recurdata ) {
     $output = null;
     foreach( $recurdata as $therule ) {
-      if( empty( $therule['value'] )) {
+        if( empty( $therule['value'] )) {
         if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $recurlabel );
         continue;
-      }
-      $attributes = ( isset( $therule['params'] )) ? $this->_createParams( $therule['params'] ) : null;
-      $content1  = $content2  = null;
-      foreach( $therule['value'] as $rulelabel => $rulevalue ) {
+        }
+        $attributes = ( isset( $therule['params'] )) ? $this->_createParams( $therule['params'] ) : null;
+        $content1  = $content2  = null;
+        foreach( $therule['value'] as $rulelabel => $rulevalue ) {
         switch( $rulelabel ) {
-          case 'FREQ': {
+            case 'FREQ': {
             $content1 .= "FREQ=$rulevalue";
             break;
-          }
-          case 'UNTIL': {
+            }
+            case 'UNTIL': {
             $content2 .= ";UNTIL=";
             $content2 .= $this->_format_date_time( $rulevalue );
             break;
-          }
-          case 'COUNT':
+            }
+            case 'COUNT':
           case 'INTERVAL':
           case 'WKST': {
             $content2 .= ";$rulelabel=$rulevalue";
             break;
-          }
-          case 'BYSECOND':
+            }
+            case 'BYSECOND':
           case 'BYMINUTE':
           case 'BYHOUR':
           case 'BYMONTHDAY':
@@ -4690,144 +4689,144 @@ 
           case 'BYSETPOS': {
             $content2 .= ";$rulelabel=";
             if( is_array( $rulevalue )) {
-              foreach( $rulevalue as $vix => $valuePart ) {
+                foreach( $rulevalue as $vix => $valuePart ) {
                 $content2 .= ( $vix ) ? ',' : null;
                 $content2 .= $valuePart;
-              }
+                }
             }
             else
-             $content2 .= $rulevalue;
+                $content2 .= $rulevalue;
             break;
-          }
-          case 'BYDAY': {
+            }
+            case 'BYDAY': {
             $content2 .= ";$rulelabel=";
             $bydaycnt = 0;
             foreach( $rulevalue as $vix => $valuePart ) {
-              $content21 = $content22 = null;
-              if( is_array( $valuePart )) {
+                $content21 = $content22 = null;
+                if( is_array( $valuePart )) {
                 $content2 .= ( $bydaycnt ) ? ',' : null;
                 foreach( $valuePart as $vix2 => $valuePart2 ) {
-                  if( 'DAY' != strtoupper( $vix2 ))
-                      $content21 .= $valuePart2;
-                  else
+                    if( 'DAY' != strtoupper( $vix2 ))
+                        $content21 .= $valuePart2;
+                    else
                     $content22 .= $valuePart2;
                 }
                 $content2 .= $content21.$content22;
                 $bydaycnt++;
-              }
-              else {
+                }
+                else {
                 $content2 .= ( $bydaycnt ) ? ',' : null;
                 if( 'DAY' != strtoupper( $vix ))
                     $content21 .= $valuePart;
                 else {
-                  $content22 .= $valuePart;
-                  $bydaycnt++;
+                    $content22 .= $valuePart;
+                    $bydaycnt++;
                 }
                 $content2 .= $content21.$content22;
-              }
+                }
             }
             break;
-          }
-          default: {
+            }
+            default: {
             $content2 .= ";$rulelabel=$rulevalue";
             break;
-          }
+            }
+        }
         }
-      }
-      $output .= $this->_createElement( $recurlabel, $attributes, $content1.$content2 );
+        $output .= $this->_createElement( $recurlabel, $attributes, $content1.$content2 );
     }
     return $output;
-  }
+    }
 /**
- * create property name case - lower/upper
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 0.9.7 - 2006-11-20
- * @param string $propertyName
- * @return string
- */
-  function _formatPropertyName( $propertyName ) {
+     * create property name case - lower/upper
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 0.9.7 - 2006-11-20
+     * @param string $propertyName
+     * @return string
+     */
+    function _formatPropertyName( $propertyName ) {
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         return strtolower( $propertyName );
         break;
-      default:
+        default:
         return strtoupper( $propertyName );
         break;
     }
-  }
+    }
 /**
- * checks if input array contains a date
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-25
- * @param array $input
- * @return bool
- */
-  function _isArrayDate( $input ) {
+     * checks if input array contains a date
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-25
+     * @param array $input
+     * @return bool
+     */
+    function _isArrayDate( $input ) {
     if( isset( $input['week'] ) || ( !in_array( count( $input ), array( 3, 6, 7 ))))
-      return FALSE;
+        return FALSE;
     if( 7 == count( $input ))
-      return TRUE;
+        return TRUE;
     if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] ))
-      return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
+        return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
     if( isset( $input['day'] ) || isset( $input['hour'] ) || isset( $input['min'] ) || isset( $input['sec'] ))
-      return FALSE;
+        return FALSE;
     if( in_array( 0, $input ))
-      return FALSE;
+        return FALSE;
     if(( 1970 > $input[0] ) || ( 12 < $input[1] ) || ( 31 < $input[2] ))
-      return FALSE;
+        return FALSE;
     if(( isset( $input[0] ) && isset( $input[1] ) && isset( $input[2] )) &&
          checkdate( (int) $input[1], (int) $input[2], (int) $input[0] ))
-      return TRUE;
+        return TRUE;
     $input = $this->_date_time_string( $input[1].'/'.$input[2].'/'.$input[0], 3 ); //  m - d - Y
     if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] ))
-      return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
+        return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
     return FALSE;
-  }
+    }
 /**
- * checks if input array contains a timestamp date
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-18
- * @param array $input
- * @return bool
- */
-  function _isArrayTimestampDate( $input ) {
+     * checks if input array contains a timestamp date
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-18
+     * @param array $input
+     * @return bool
+     */
+    function _isArrayTimestampDate( $input ) {
     return ( is_array( $input ) && isset( $input['timestamp'] )) ? TRUE : FALSE ;
-  }
+    }
 /**
- * controll if input string contains traling UTC offset
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-19
- * @param string $input
- * @return bool
- */
-  function _isOffset( $input ) {
+     * controll if input string contains traling UTC offset
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-19
+     * @param string $input
+     * @return bool
+     */
+    function _isOffset( $input ) {
     $input         = trim( (string) $input );
     if( 'Z' == substr( $input, -1 ))
-      return TRUE;
+        return TRUE;
     elseif((   5 <= strlen( $input )) &&
        ( in_array( substr( $input, -5, 1 ), array( '+', '-' ))) &&
        (   '0000'  < substr( $input, -4 )) && (   '9999' >= substr( $input, -4 )))
-      return TRUE;
+        return TRUE;
     elseif((    7 <= strlen( $input )) &&
        ( in_array( substr( $input, -7, 1 ), array( '+', '-' ))) &&
        ( '000000'  < substr( $input, -6 )) && ( '999999' >= substr( $input, -6 )))
-      return TRUE;
+        return TRUE;
     return FALSE;
 
-  }
+    }
 /**
- * check if property not exists within component
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-15
- * @param string $propName
- * @return bool
- */
-  function _notExistProp( $propName ) {
+     * check if property not exists within component
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-15
+     * @param string $propName
+     * @return bool
+     */
+    function _notExistProp( $propName ) {
     if( empty( $propName )) return FALSE; // when deleting x-prop, an empty propName may be used=allowed
     $propName = strtolower( $propName );
     if(     'last-modified'    == $propName )  { if( !isset( $this->lastmodified ))    return TRUE; }
@@ -4837,270 +4836,270 @@ 
     elseif( 'request-status'   == $propName )  { if( !isset( $this->requeststatus ))   return TRUE; }
     elseif((       'x-' != substr($propName,0,2)) && !isset( $this->$propName ))       return TRUE;
     return FALSE;
-  }
+    }
 /**
- * remakes a recur pattern to an array of dates
- *
- * if missing, UNTIL is set 1 year from startdate (emergency break)
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-18
- * @param array $result, array to update, array([timestamp] => timestamp)
- * @param array $recur, pattern for recurrency (only value part, params ignored)
- * @param array $wdate, component start date
- * @param array $startdate, start date
- * @param array $enddate, optional
- * @return array of recurrence (start-)dates as index
- * @todo BYHOUR, BYMINUTE, BYSECOND, ev. BYSETPOS due to ambiguity, WEEKLY at year end/start
- */
-  function _recur2date( & $result, $recur, $wdate, $startdate, $enddate=FALSE ) {
+     * remakes a recur pattern to an array of dates
+     *
+     * if missing, UNTIL is set 1 year from startdate (emergency break)
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-18
+     * @param array $result, array to update, array([timestamp] => timestamp)
+     * @param array $recur, pattern for recurrency (only value part, params ignored)
+     * @param array $wdate, component start date
+     * @param array $startdate, start date
+     * @param array $enddate, optional
+     * @return array of recurrence (start-)dates as index
+     * @todo BYHOUR, BYMINUTE, BYSECOND, ev. BYSETPOS due to ambiguity, WEEKLY at year end/start
+     */
+    function _recur2date( & $result, $recur, $wdate, $startdate, $enddate=FALSE ) {
     foreach( $wdate as $k => $v ) if( ctype_digit( $v )) $wdate[$k] = (int) $v;
     $wdatets     = $this->_date2timestamp( $wdate );
     $startdatets = $this->_date2timestamp( $startdate );
     if( !$enddate ) {
-      $enddate = $startdate;
-      $enddate['year'] += 1;
+        $enddate = $startdate;
+        $enddate['year'] += 1;
 // echo "recur __in_ ".implode('-',$startdate)." period start ".implode('-',$wdate)." period end ".implode('-',$enddate)."<br />\n";print_r($recur);echo "<br />\n";//test###
     }
     $endDatets = $this->_date2timestamp( $enddate ); // fix break
     if( !isset( $recur['COUNT'] ) && !isset( $recur['UNTIL'] ))
-      $recur['UNTIL'] = $enddate; // create break
+        $recur['UNTIL'] = $enddate; // create break
     if( isset( $recur['UNTIL'] )) {
-      $tdatets = $this->_date2timestamp( $recur['UNTIL'] );
-      if( $endDatets > $tdatets ) {
+        $tdatets = $this->_date2timestamp( $recur['UNTIL'] );
+        if( $endDatets > $tdatets ) {
         $endDatets = $tdatets; // emergency break
         $enddate   = $this->_timestamp2date( $endDatets, 6 );
-      }
-      else
+        }
+        else
         $recur['UNTIL'] = $this->_timestamp2date( $endDatets, 6 );
     }
     if( $wdatets > $endDatets ) {
-     //echo "recur out of date ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
-      return array(); // nothing to do.. .
+        //echo "recur out of date ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
+        return array(); // nothing to do.. .
     }
     if( !isset( $recur['FREQ'] )) // "MUST be specified.. ."
-      $recur['FREQ'] = 'DAILY'; // ??
+        $recur['FREQ'] = 'DAILY'; // ??
     $wkst = ( isset( $recur['WKST'] ) && ( 'SU' == $recur['WKST'] )) ? 24*60*60 : 0; // ??
     if( !isset( $recur['INTERVAL'] ))
-      $recur['INTERVAL'] = 1;
+        $recur['INTERVAL'] = 1;
     $countcnt = ( !isset( $recur['BYSETPOS'] )) ? 1 : 0; // DTSTART counts as the first occurrence
             /* find out how to step up dates and set index for interval count */
     $step = array();
     if( 'YEARLY' == $recur['FREQ'] )
-      $step['year']  = 1;
+        $step['year']  = 1;
     elseif( 'MONTHLY' == $recur['FREQ'] )
-      $step['month'] = 1;
+        $step['month'] = 1;
     elseif( 'WEEKLY' == $recur['FREQ'] )
-      $step['day']   = 7;
+        $step['day']   = 7;
     else
-      $step['day']   = 1;
+        $step['day']   = 1;
     if( isset( $step['year'] ) && isset( $recur['BYMONTH'] ))
-      $step = array( 'month' => 1 );
+        $step = array( 'month' => 1 );
     if( empty( $step ) && isset( $recur['BYWEEKNO'] )) // ??
-      $step = array( 'day' => 7 );
+        $step = array( 'day' => 7 );
     if( isset( $recur['BYYEARDAY'] ) || isset( $recur['BYMONTHDAY'] ) || isset( $recur['BYDAY'] ))
-      $step = array( 'day' => 1 );
+        $step = array( 'day' => 1 );
     $intervalarr = array();
     if( 1 < $recur['INTERVAL'] ) {
-      $intervalix = $this->_recurIntervalIx( $recur['FREQ'], $wdate, $wkst );
-      $intervalarr = array( $intervalix => 0 );
+        $intervalix = $this->_recurIntervalIx( $recur['FREQ'], $wdate, $wkst );
+        $intervalarr = array( $intervalix => 0 );
     }
     if( isset( $recur['BYSETPOS'] )) { // save start date + weekno
-      $bysetposymd1 = $bysetposymd2 = $bysetposw1 = $bysetposw2 = array();
-      $bysetposWold = (int) date( 'W', ( $wdatets + $wkst ));
-      $bysetposYold = $wdate['year'];
-      $bysetposMold = $wdate['month'];
-      $bysetposDold = $wdate['day'];
-      if( is_array( $recur['BYSETPOS'] )) {
+        $bysetposymd1 = $bysetposymd2 = $bysetposw1 = $bysetposw2 = array();
+        $bysetposWold = (int) date( 'W', ( $wdatets + $wkst ));
+        $bysetposYold = $wdate['year'];
+        $bysetposMold = $wdate['month'];
+        $bysetposDold = $wdate['day'];
+        if( is_array( $recur['BYSETPOS'] )) {
         foreach( $recur['BYSETPOS'] as $bix => $bval )
-          $recur['BYSETPOS'][$bix] = (int) $bval;
-      }
-      else
+            $recur['BYSETPOS'][$bix] = (int) $bval;
+        }
+        else
         $recur['BYSETPOS'] = array( (int) $recur['BYSETPOS'] );
-      $this->_stepdate( $enddate, $endDatets, $step); // make sure to count whole last period
+        $this->_stepdate( $enddate, $endDatets, $step); // make sure to count whole last period
     }
     $this->_stepdate( $wdate, $wdatets, $step);
     $year_old     = null;
     $daynames     = array( 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA' );
-             /* MAIN LOOP */
-     // echo "recur start ".implode('-',$wdate)." end ".implode('-',$enddate)."<br />\n";//test
+                /* MAIN LOOP */
+        // echo "recur start ".implode('-',$wdate)." end ".implode('-',$enddate)."<br />\n";//test
     while( TRUE ) {
-      if( isset( $endDatets ) && ( $wdatets > $endDatets ))
+        if( isset( $endDatets ) && ( $wdatets > $endDatets ))
         break;
-      if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
+        if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
         break;
-      if( $year_old != $wdate['year'] ) {
+        if( $year_old != $wdate['year'] ) {
         $year_old   = $wdate['year'];
         $daycnts    = array();
         $yeardays   = $weekno = 0;
         $yeardaycnt = array();
         for( $m = 1; $m <= 12; $m++ ) { // count up and update up-counters
-          $daycnts[$m] = array();
-          $weekdaycnt = array();
-          foreach( $daynames as $dn )
+            $daycnts[$m] = array();
+            $weekdaycnt = array();
+            foreach( $daynames as $dn )
             $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
-          $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
-          for( $d   = 1; $d <= $mcnt; $d++ ) {
+            $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
+            for( $d   = 1; $d <= $mcnt; $d++ ) {
             $daycnts[$m][$d] = array();
             if( isset( $recur['BYYEARDAY'] )) {
-              $yeardays++;
-              $daycnts[$m][$d]['yearcnt_up'] = $yeardays;
+                $yeardays++;
+                $daycnts[$m][$d]['yearcnt_up'] = $yeardays;
             }
             if( isset( $recur['BYDAY'] )) {
-              $day    = date( 'w', mktime( 0, 0, 0, $m, $d, $wdate['year'] ));
-              $day    = $daynames[$day];
-              $daycnts[$m][$d]['DAY'] = $day;
-              $weekdaycnt[$day]++;
-              $daycnts[$m][$d]['monthdayno_up'] = $weekdaycnt[$day];
-              $yeardaycnt[$day]++;
-              $daycnts[$m][$d]['yeardayno_up'] = $yeardaycnt[$day];
+                $day    = date( 'w', mktime( 0, 0, 0, $m, $d, $wdate['year'] ));
+                $day    = $daynames[$day];
+                $daycnts[$m][$d]['DAY'] = $day;
+                $weekdaycnt[$day]++;
+                $daycnts[$m][$d]['monthdayno_up'] = $weekdaycnt[$day];
+                $yeardaycnt[$day]++;
+                $daycnts[$m][$d]['yeardayno_up'] = $yeardaycnt[$day];
             }
             if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' ))
-              $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year']));
-          }
+                $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year']));
+            }
         }
         $daycnt = 0;
         $yeardaycnt = array();
         if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) {
-          $weekno = null;
-          for( $d=31; $d > 25; $d-- ) { // get last weekno for year
+            $weekno = null;
+            for( $d=31; $d > 25; $d-- ) { // get last weekno for year
             if( !$weekno )
-              $weekno = $daycnts[12][$d]['weekno_up'];
+                $weekno = $daycnts[12][$d]['weekno_up'];
             elseif( $weekno < $daycnts[12][$d]['weekno_up'] ) {
-              $weekno = $daycnts[12][$d]['weekno_up'];
-              break;
+                $weekno = $daycnts[12][$d]['weekno_up'];
+                break;
+            }
             }
-          }
         }
         for( $m = 12; $m > 0; $m-- ) { // count down and update down-counters
-          $weekdaycnt = array();
-          foreach( $daynames as $dn )
+            $weekdaycnt = array();
+            foreach( $daynames as $dn )
             $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
-          $monthcnt = 0;
-          $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
-          for( $d   = $mcnt; $d > 0; $d-- ) {
+            $monthcnt = 0;
+            $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
+            for( $d   = $mcnt; $d > 0; $d-- ) {
             if( isset( $recur['BYYEARDAY'] )) {
-              $daycnt -= 1;
-              $daycnts[$m][$d]['yearcnt_down'] = $daycnt;
+                $daycnt -= 1;
+                $daycnts[$m][$d]['yearcnt_down'] = $daycnt;
             }
             if( isset( $recur['BYMONTHDAY'] )) {
-              $monthcnt -= 1;
-              $daycnts[$m][$d]['monthcnt_down'] = $monthcnt;
+                $monthcnt -= 1;
+                $daycnts[$m][$d]['monthcnt_down'] = $monthcnt;
             }
             if( isset( $recur['BYDAY'] )) {
-              $day  = $daycnts[$m][$d]['DAY'];
-              $weekdaycnt[$day] -= 1;
-              $daycnts[$m][$d]['monthdayno_down'] = $weekdaycnt[$day];
-              $yeardaycnt[$day] -= 1;
-              $daycnts[$m][$d]['yeardayno_down'] = $yeardaycnt[$day];
+                $day  = $daycnts[$m][$d]['DAY'];
+                $weekdaycnt[$day] -= 1;
+                $daycnts[$m][$d]['monthdayno_down'] = $weekdaycnt[$day];
+                $yeardaycnt[$day] -= 1;
+                $daycnts[$m][$d]['yeardayno_down'] = $yeardaycnt[$day];
             }
             if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' ))
-              $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1);
-          }
+                $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1);
+            }
+        }
         }
-      }
             /* check interval */
-      if( 1 < $recur['INTERVAL'] ) {
+        if( 1 < $recur['INTERVAL'] ) {
             /* create interval index */
         $intervalix = $this->_recurIntervalIx( $recur['FREQ'], $wdate, $wkst );
             /* check interval */
         $currentKey = array_keys( $intervalarr );
         $currentKey = end( $currentKey ); // get last index
         if( $currentKey != $intervalix )
-          $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 ));
+            $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 ));
         if(( $recur['INTERVAL'] != $intervalarr[$intervalix] ) &&
            ( 0 != $intervalarr[$intervalix] )) {
             /* step up date */
     //echo "skip: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
-          $this->_stepdate( $wdate, $wdatets, $step);
-          continue;
+            $this->_stepdate( $wdate, $wdatets, $step);
+            continue;
         }
         else // continue within the selected interval
-          $intervalarr[$intervalix] = 0;
-   //echo "cont: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
-      }
-      $updateOK = TRUE;
-      if( $updateOK && isset( $recur['BYMONTH'] ))
+            $intervalarr[$intervalix] = 0;
+    //echo "cont: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
+        }
+        $updateOK = TRUE;
+        if( $updateOK && isset( $recur['BYMONTH'] ))
         $updateOK = $this->_recurBYcntcheck( $recur['BYMONTH']
-                                           , $wdate['month']
-                                           ,($wdate['month'] - 13));
-      if( $updateOK && isset( $recur['BYWEEKNO'] ))
+                                            , $wdate['month']
+                                            ,($wdate['month'] - 13));
+        if( $updateOK && isset( $recur['BYWEEKNO'] ))
         $updateOK = $this->_recurBYcntcheck( $recur['BYWEEKNO']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['weekno_up']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['weekno_down'] );
-      if( $updateOK && isset( $recur['BYYEARDAY'] ))
+                                            , $daycnts[$wdate['month']][$wdate['day']]['weekno_up']
+                                            , $daycnts[$wdate['month']][$wdate['day']]['weekno_down'] );
+        if( $updateOK && isset( $recur['BYYEARDAY'] ))
         $updateOK = $this->_recurBYcntcheck( $recur['BYYEARDAY']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_up']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down'] );
-      if( $updateOK && isset( $recur['BYMONTHDAY'] ))
+                                            , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_up']
+                                            , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down'] );
+        if( $updateOK && isset( $recur['BYMONTHDAY'] ))
         $updateOK = $this->_recurBYcntcheck( $recur['BYMONTHDAY']
-                                           , $wdate['day']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down'] );
+                                            , $wdate['day']
+                                            , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down'] );
     //echo "efter BYMONTHDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n";//test###
-      if( $updateOK && isset( $recur['BYDAY'] )) {
+        if( $updateOK && isset( $recur['BYDAY'] )) {
         $updateOK = FALSE;
         $m = $wdate['month'];
         $d = $wdate['day'];
         if( isset( $recur['BYDAY']['DAY'] )) { // single day, opt with year/month day order no
-          $daynoexists = $daynosw = $daynamesw =  FALSE;
-          if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] )
+            $daynoexists = $daynosw = $daynamesw =  FALSE;
+            if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] )
             $daynamesw = TRUE;
-          if( isset( $recur['BYDAY'][0] )) {
+            if( isset( $recur['BYDAY'][0] )) {
             $daynoexists = TRUE;
             if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || isset( $recur['BYMONTH'] ))
-              $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
+                $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
                                                 , $daycnts[$m][$d]['monthdayno_up']
                                                 , $daycnts[$m][$d]['monthdayno_down'] );
             elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
-              $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
+                $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
                                                 , $daycnts[$m][$d]['yeardayno_up']
                                                 , $daycnts[$m][$d]['yeardayno_down'] );
-          }
-          if((  $daynoexists &&  $daynosw && $daynamesw ) ||
+            }
+            if((  $daynoexists &&  $daynosw && $daynamesw ) ||
              ( !$daynoexists && !$daynosw && $daynamesw )) {
             $updateOK = TRUE;
-          }
+            }
         //echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ###
         }
         else {
-          foreach( $recur['BYDAY'] as $bydayvalue ) {
+            foreach( $recur['BYDAY'] as $bydayvalue ) {
             $daynoexists = $daynosw = $daynamesw = FALSE;
             if( isset( $bydayvalue['DAY'] ) &&
                      ( $bydayvalue['DAY'] == $daycnts[$m][$d]['DAY'] ))
-              $daynamesw = TRUE;
+                $daynamesw = TRUE;
             if( isset( $bydayvalue[0] )) {
-              $daynoexists = TRUE;
-              if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) ||
+                $daynoexists = TRUE;
+                if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) ||
                    isset( $recur['BYMONTH'] ))
                 $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
-                                                  , $daycnts[$m][$d]['monthdayno_up']
-                                                  , $daycnts[$m][$d]['monthdayno_down'] );
-              elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
+                                                    , $daycnts[$m][$d]['monthdayno_up']
+                                                    , $daycnts[$m][$d]['monthdayno_down'] );
+                elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
                 $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
-                                                  , $daycnts[$m][$d]['yeardayno_up']
-                                                  , $daycnts[$m][$d]['yeardayno_down'] );
+                                                    , $daycnts[$m][$d]['yeardayno_up']
+                                                    , $daycnts[$m][$d]['yeardayno_down'] );
             }
         //echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ###
             if((  $daynoexists &&  $daynosw && $daynamesw ) ||
                ( !$daynoexists && !$daynosw && $daynamesw )) {
-              $updateOK = TRUE;
-              break;
+                $updateOK = TRUE;
+                break;
             }
-          }
+            }
+        }
         }
-      }
-      //echo "efter BYDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n"; // test ###
+        //echo "efter BYDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n"; // test ###
             /* check BYSETPOS */
-      if( $updateOK ) {
+        if( $updateOK ) {
         if( isset( $recur['BYSETPOS'] ) &&
           ( in_array( $recur['FREQ'], array( 'YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY' )))) {
-          if( isset( $recur['WEEKLY'] )) {
+            if( isset( $recur['WEEKLY'] )) {
             if( $bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] )
-              $bysetposw1[] = $wdatets;
+                $bysetposw1[] = $wdatets;
             else
-              $bysetposw2[] = $wdatets;
-          }
-          else {
+                $bysetposw2[] = $wdatets;
+            }
+            else {
             if(( isset( $recur['FREQ'] ) && ( 'YEARLY'      == $recur['FREQ'] )  &&
                                             ( $bysetposYold == $wdate['year'] ))   ||
                ( isset( $recur['FREQ'] ) && ( 'MONTHLY'     == $recur['FREQ'] )  &&
@@ -5110,438 +5109,438 @@ 
                                            (( $bysetposYold == $wdate['year'] )  &&
                                             ( $bysetposMold == $wdate['month'])  &&
                                             ( $bysetposDold == $wdate['sday'] ))))
-              $bysetposymd1[] = $wdatets;
+                $bysetposymd1[] = $wdatets;
             else
-              $bysetposymd2[] = $wdatets;
-          }
+                $bysetposymd2[] = $wdatets;
+            }
         }
         else {
             /* update result array if BYSETPOS is set */
-          $countcnt++;
-          if( $startdatets <= $wdatets ) { // only output within period
+            $countcnt++;
+            if( $startdatets <= $wdatets ) { // only output within period
             $result[$wdatets] = TRUE;
-          //echo "recur ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
-          }
-         //else echo "recur undate ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))." okdatstart ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$startdatets),6))."<br />\n";//test
-          $updateOK = FALSE;
+            //echo "recur ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
+            }
+            //else echo "recur undate ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))." okdatstart ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$startdatets),6))."<br />\n";//test
+            $updateOK = FALSE;
+        }
         }
-      }
             /* step up date */
-      $this->_stepdate( $wdate, $wdatets, $step);
+        $this->_stepdate( $wdate, $wdatets, $step);
             /* check if BYSETPOS is set for updating result array */
-      if( $updateOK && isset( $recur['BYSETPOS'] )) {
+        if( $updateOK && isset( $recur['BYSETPOS'] )) {
         $bysetpos       = FALSE;
         if( isset( $recur['FREQ'] ) && ( 'YEARLY'  == $recur['FREQ'] ) &&
           ( $bysetposYold != $wdate['year'] )) {
-          $bysetpos     = TRUE;
-          $bysetposYold = $wdate['year'];
+            $bysetpos     = TRUE;
+            $bysetposYold = $wdate['year'];
         }
         elseif( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] &&
          (( $bysetposYold != $wdate['year'] ) || ( $bysetposMold != $wdate['month'] )))) {
-          $bysetpos     = TRUE;
-          $bysetposYold = $wdate['year'];
-          $bysetposMold = $wdate['month'];
+            $bysetpos     = TRUE;
+            $bysetposYold = $wdate['year'];
+            $bysetposMold = $wdate['month'];
         }
         elseif( isset( $recur['FREQ'] ) && ( 'WEEKLY'  == $recur['FREQ'] )) {
-          $weekno = (int) date( 'W', mktime( 0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year']));
-          if( $bysetposWold != $weekno ) {
+            $weekno = (int) date( 'W', mktime( 0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year']));
+            if( $bysetposWold != $weekno ) {
             $bysetposWold = $weekno;
             $bysetpos     = TRUE;
-          }
+            }
         }
         elseif( isset( $recur['FREQ'] ) && ( 'DAILY'   == $recur['FREQ'] ) &&
          (( $bysetposYold != $wdate['year'] )  ||
           ( $bysetposMold != $wdate['month'] ) ||
           ( $bysetposDold != $wdate['sday'] ))) {
-          $bysetpos     = TRUE;
-          $bysetposYold = $wdate['year'];
-          $bysetposMold = $wdate['month'];
-          $bysetposDold = $wdate['day'];
+            $bysetpos     = TRUE;
+            $bysetposYold = $wdate['year'];
+            $bysetposMold = $wdate['month'];
+            $bysetposDold = $wdate['day'];
         }
         if( $bysetpos ) {
-          if( isset( $recur['BYWEEKNO'] )) {
+            if( isset( $recur['BYWEEKNO'] )) {
             $bysetposarr1 = & $bysetposw1;
             $bysetposarr2 = & $bysetposw2;
-          }
-          else {
+            }
+            else {
             $bysetposarr1 = & $bysetposymd1;
             $bysetposarr2 = & $bysetposymd2;
-          }
-          foreach( $recur['BYSETPOS'] as $ix ) {
+            }
+            foreach( $recur['BYSETPOS'] as $ix ) {
             if( 0 > $ix ) // both positive and negative BYSETPOS allowed
-              $ix = ( count( $bysetposarr1 ) + $ix + 1);
+                $ix = ( count( $bysetposarr1 ) + $ix + 1);
             $ix--;
             if( isset( $bysetposarr1[$ix] )) {
-              if( $startdatets <= $bysetposarr1[$ix] ) { // only output within period
+                if( $startdatets <= $bysetposarr1[$ix] ) { // only output within period
                 $result[$bysetposarr1[$ix]] = TRUE;
-       //echo "recur ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$bysetposarr1[$ix]),6))."<br />\n";//test
-              }
-              $countcnt++;
+        //echo "recur ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$bysetposarr1[$ix]),6))."<br />\n";//test
+                }
+                $countcnt++;
             }
             if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
-              break;
-          }
-          $bysetposarr1 = $bysetposarr2;
-          $bysetposarr2 = array();
+                break;
+            }
+            $bysetposarr1 = $bysetposarr2;
+            $bysetposarr2 = array();
+        }
         }
-      }
     }
-  }
-  function _recurBYcntcheck( $BYvalue, $upValue, $downValue ) {
+    }
+    function _recurBYcntcheck( $BYvalue, $upValue, $downValue ) {
     if( is_array( $BYvalue ) &&
       ( in_array( $upValue, $BYvalue ) || in_array( $downValue, $BYvalue )))
-      return TRUE;
+        return TRUE;
     elseif(( $BYvalue == $upValue ) || ( $BYvalue == $downValue ))
-      return TRUE;
+        return TRUE;
     else
-      return FALSE;
-  }
-  function _recurIntervalIx( $freq, $date, $wkst ) {
+        return FALSE;
+    }
+    function _recurIntervalIx( $freq, $date, $wkst ) {
             /* create interval index */
     switch( $freq ) {
-      case 'YEARLY':
+        case 'YEARLY':
         $intervalix = $date['year'];
         break;
-      case 'MONTHLY':
+        case 'MONTHLY':
         $intervalix = $date['year'].'-'.$date['month'];
         break;
-      case 'WEEKLY':
+        case 'WEEKLY':
         $wdatets    = $this->_date2timestamp( $date );
         $intervalix = (int) date( 'W', ( $wdatets + $wkst ));
-       break;
-      case 'DAILY':
+        break;
+        case 'DAILY':
            default:
         $intervalix = $date['year'].'-'.$date['month'].'-'.$date['day'];
         break;
     }
     return $intervalix;
-  }
+    }
 /**
- * convert input format for exrule and rrule to internal format
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-19
- * @param array $rexrule
- * @return array
- */
-  function _setRexrule( $rexrule ) {
+     * convert input format for exrule and rrule to internal format
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-19
+     * @param array $rexrule
+     * @return array
+     */
+    function _setRexrule( $rexrule ) {
     $input          = array();
     if( empty( $rexrule ))
-      return $input;
+        return $input;
     foreach( $rexrule as $rexrulelabel => $rexrulevalue ) {
-      $rexrulelabel = strtoupper( $rexrulelabel );
-      if( 'UNTIL'  != $rexrulelabel )
+        $rexrulelabel = strtoupper( $rexrulelabel );
+        if( 'UNTIL'  != $rexrulelabel )
         $input[$rexrulelabel]   = $rexrulevalue;
-      else {
+        else {
         if( $this->_isArrayTimestampDate( $rexrulevalue )) // timestamp date
-          $input[$rexrulelabel] = $this->_timestamp2date( $rexrulevalue, 6 );
+            $input[$rexrulelabel] = $this->_timestamp2date( $rexrulevalue, 6 );
         elseif( $this->_isArrayDate( $rexrulevalue )) // date-time
-          $input[$rexrulelabel] = $this->_date_time_array( $rexrulevalue, 6 );
+            $input[$rexrulelabel] = $this->_date_time_array( $rexrulevalue, 6 );
         elseif( 8 <= strlen( trim( $rexrulevalue ))) // ex. 2006-08-03 10:12:18
-          $input[$rexrulelabel] = $this->_date_time_string( $rexrulevalue );
+            $input[$rexrulelabel] = $this->_date_time_string( $rexrulevalue );
         if(( 3 < count( $input[$rexrulelabel] )) && !isset( $input[$rexrulelabel]['tz'] ))
-          $input[$rexrulelabel]['tz'] = 'Z';
-      }
+            $input[$rexrulelabel]['tz'] = 'Z';
+        }
     }
     return $input;
-  }
+    }
 /**
- * convert format for input date to internal date with parameters
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.17 - 2008-10-31
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @param string $caller optional
- * @return array
- */
-  function _setDate( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE, $caller=null ) {
+     * convert format for input date to internal date with parameters
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.17 - 2008-10-31
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @param string $caller optional
+     * @return array
+     */
+    function _setDate( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE, $caller=null ) {
     $input = $parno = null;
     $localtime = (( 'dtstart' == $caller ) && in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE;
     if( $this->_isArrayDate( $year )) {
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
-      if( isset( $input['params']['TZID'] )) {
+        if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
+        $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
+        if( isset( $input['params']['TZID'] )) {
         $input['params']['VALUE'] = 'DATE-TIME';
         unset( $year['tz'] );
-      }
-      $hitval          = (( !empty( $year['tz'] ) || !empty( $year[6] ))) ? 7 : 6;
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval );
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, count( $year ), $parno );
-      $input['value']  = $this->_date_time_array( $year, $parno );
+        }
+        $hitval          = (( !empty( $year['tz'] ) || !empty( $year[6] ))) ? 7 : 6;
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval );
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, count( $year ), $parno );
+        $input['value']  = $this->_date_time_array( $year, $parno );
     }
     elseif( $this->_isArrayTimestampDate( $year )) {
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
-      if( isset( $input['params']['TZID'] )) {
+        if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
+        $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
+        if( isset( $input['params']['TZID'] )) {
         $input['params']['VALUE'] = 'DATE-TIME';
         unset( $year['tz'] );
-      }
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3 );
-      $hitval          = ( isset( $year['tz'] )) ? 7 : 6;
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno );
-      $input['value']  = $this->_timestamp2date( $year, $parno );
+        }
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3 );
+        $hitval          = ( isset( $year['tz'] )) ? 7 : 6;
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno );
+        $input['value']  = $this->_timestamp2date( $year, $parno );
     }
     elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
-      if( isset( $input['params']['TZID'] )) {
+        if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
+        $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
+        if( isset( $input['params']['TZID'] )) {
         $input['params']['VALUE'] = 'DATE-TIME';
         $parno = 6;
-      }
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7, $parno );
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, $parno, $parno );
-      $input['value']  = $this->_date_time_string( $year, $parno );
+        }
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7, $parno );
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, $parno, $parno );
+        $input['value']  = $this->_date_time_string( $year, $parno );
     }
     else {
-      if( is_array( $params )) {
+        if( is_array( $params )) {
         if( $localtime ) unset ( $params['VALUE'], $params['TZID'] );
         $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
-      }
-      elseif( is_array( $tz )) {
+        }
+        elseif( is_array( $tz )) {
         $input['params'] = $this->_setParams( $tz,     array( 'VALUE' => 'DATE-TIME' ));
         $tz = FALSE;
-      }
-      elseif( is_array( $hour )) {
+        }
+        elseif( is_array( $hour )) {
         $input['params'] = $this->_setParams( $hour,   array( 'VALUE' => 'DATE-TIME' ));
         $hour = $min = $sec = $tz = FALSE;
-      }
-      if( isset( $input['params']['TZID'] )) {
+        }
+        if( isset( $input['params']['TZID'] )) {
         $tz            = null;
         $input['params']['VALUE'] = 'DATE-TIME';
-      }
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3 );
-      $hitval          = ( !empty( $tz )) ? 7 : 6;
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno, $parno );
-      $input['value']  = array( 'year'  => $year, 'month' => $month, 'day'   => $day );
-      if( 3 != $parno ) {
+        }
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3 );
+        $hitval          = ( !empty( $tz )) ? 7 : 6;
+        $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno, $parno );
+        $input['value']  = array( 'year'  => $year, 'month' => $month, 'day'   => $day );
+        if( 3 != $parno ) {
         $input['value']['hour'] = ( $hour ) ? $hour : '0';
         $input['value']['min']  = ( $min )  ? $min  : '0';
         $input['value']['sec']  = ( $sec )  ? $sec  : '0';
         if( !empty( $tz ))
-          $input['value']['tz'] = $tz;
-      }
+            $input['value']['tz'] = $tz;
+        }
     }
     if( 3 == $parno ) {
-      $input['params']['VALUE'] = 'DATE';
-      unset( $input['value']['tz'] );
-      unset( $input['params']['TZID'] );
+        $input['params']['VALUE'] = 'DATE';
+        unset( $input['value']['tz'] );
+        unset( $input['params']['TZID'] );
     }
     elseif( isset( $input['params']['TZID'] ))
-      unset( $input['value']['tz'] );
+        unset( $input['value']['tz'] );
     if( $localtime ) unset( $input['value']['tz'], $input['params']['TZID'] );
     if( isset( $input['value']['tz'] ))
-      $input['value']['tz'] = (string) $input['value']['tz'];
+        $input['value']['tz'] = (string) $input['value']['tz'];
     if( !empty( $input['value']['tz'] ) && ( 'Z' != $input['value']['tz'] ) &&
       ( !$this->_isOffset( $input['value']['tz'] )))
-      $input['params']['TZID'] = $input['value']['tz'];
+        $input['params']['TZID'] = $input['value']['tz'];
     return $input;
-  }
+    }
 /**
- * convert format for input date (UTC) to internal date with parameters
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.17 - 2008-10-31
- * @param mixed $year
- * @param mixed $month optional
- * @param int $day optional
- * @param int $hour optional
- * @param int $min optional
- * @param int $sec optional
- * @param array $params optional
- * @return array
- */
-  function _setDate2( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+     * convert format for input date (UTC) to internal date with parameters
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.17 - 2008-10-31
+     * @param mixed $year
+     * @param mixed $month optional
+     * @param int $day optional
+     * @param int $hour optional
+     * @param int $min optional
+     * @param int $sec optional
+     * @param array $params optional
+     * @return array
+     */
+    function _setDate2( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
     $input = null;
     if( $this->_isArrayDate( $year )) {
-      $input['value']  = $this->_date_time_array( $year, 7 );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
+        $input['value']  = $this->_date_time_array( $year, 7 );
+        $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
     }
     elseif( $this->_isArrayTimestampDate( $year )) {
-      $input['value']  = $this->_timestamp2date( $year, 7 );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
+        $input['value']  = $this->_timestamp2date( $year, 7 );
+        $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
     }
     elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
-      $input['value']  = $this->_date_time_string( $year, 7 );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
+        $input['value']  = $this->_date_time_string( $year, 7 );
+        $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
     }
     else {
-      $input['value']  = array( 'year'  => $year
-                              , 'month' => $month
-                              , 'day'   => $day
-                              , 'hour'  => $hour
-                              , 'min'   => $min
-                              , 'sec'   => $sec );
-      $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
+        $input['value']  = array( 'year'  => $year
+                                , 'month' => $month
+                                , 'day'   => $day
+                                , 'hour'  => $hour
+                                , 'min'   => $min
+                                , 'sec'   => $sec );
+        $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
     }
     $parno = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7 ); // remove default
     if( !isset( $input['value']['hour'] ))
-      $input['value']['hour'] = 0;
+        $input['value']['hour'] = 0;
     if( !isset( $input['value']['min'] ))
-      $input['value']['min'] = 0;
+        $input['value']['min'] = 0;
     if( !isset( $input['value']['sec'] ))
-      $input['value']['sec'] = 0;
+        $input['value']['sec'] = 0;
     if( !isset( $input['value']['tz'] ) || !$this->_isOffset( $input['value']['tz'] ))
-      $input['value']['tz'] = 'Z';
+        $input['value']['tz'] = 'Z';
     return $input;
-  }
+    }
 /**
- * check index and set (an indexed) content in multiple value array
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-06
- * @param array $valArr
- * @param mixed $value
- * @param array $params
- * @param array $defaults
- * @param int $index
- * @return void
- */
-  function _setMval( & $valArr, $value, $params=FALSE, $defaults=FALSE, $index=FALSE ) {
+     * check index and set (an indexed) content in multiple value array
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-06
+     * @param array $valArr
+     * @param mixed $value
+     * @param array $params
+     * @param array $defaults
+     * @param int $index
+     * @return void
+     */
+    function _setMval( & $valArr, $value, $params=FALSE, $defaults=FALSE, $index=FALSE ) {
     if( !is_array( $valArr )) $valArr = array();
     if( $index )
-      $index = $index - 1;
+        $index = $index - 1;
     elseif( 0 < count( $valArr )) {
-      $index = end( array_keys( $valArr ));
-      $index += 1;
+        $index = end( array_keys( $valArr ));
+        $index += 1;
     }
     else
-      $index = 0;
+        $index = 0;
     $valArr[$index] = array( 'value' => $value, 'params' => $this->_setParams( $params, $defaults ));
     ksort( $valArr );
-  }
+    }
 /**
- * set input (formatted) parameters- component property attributes
- *
- * default parameters can be set, if missing
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 1.x.x - 2007-05-01
- * @param array $params
- * @param array $defaults
- * @return array
- */
-  function _setParams( $params, $defaults=FALSE ) {
+     * set input (formatted) parameters- component property attributes
+     *
+     * default parameters can be set, if missing
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 1.x.x - 2007-05-01
+     * @param array $params
+     * @param array $defaults
+     * @return array
+     */
+    function _setParams( $params, $defaults=FALSE ) {
     if( !is_array( $params))
-      $params = array();
+        $params = array();
     $input = array();
     foreach( $params as $paramKey => $paramValue ) {
-      if( is_array( $paramValue )) {
+        if( is_array( $paramValue )) {
         foreach( $paramValue as $pkey => $pValue ) {
-          if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 )))
+            if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 )))
             $paramValue[$pkey] = substr( $pValue, 1, ( strlen( $pValue ) - 2 ));
         }
-      }
-      elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 )))
+        }
+        elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 )))
         $paramValue = substr( $paramValue, 1, ( strlen( $paramValue ) - 2 ));
-      if( 'VALUE' == strtoupper( $paramKey ))
+        if( 'VALUE' == strtoupper( $paramKey ))
         $input['VALUE']                 = strtoupper( $paramValue );
-      else
+        else
         $input[strtoupper( $paramKey )] = $paramValue;
     }
     if( is_array( $defaults )) {
-      foreach( $defaults as $paramKey => $paramValue ) {
+        foreach( $defaults as $paramKey => $paramValue ) {
         if( !isset( $input[$paramKey] ))
-          $input[$paramKey] = $paramValue;
-      }
+            $input[$paramKey] = $paramValue;
+        }
     }
     return (0 < count( $input )) ? $input : null;
-  }
+    }
 /**
- * step date, return updated date, array and timpstamp
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-18
- * @param array $date, date to step
- * @param int $timestamp
- * @param array $step, default array( 'day' => 1 )
- * @return void
- */
-  function _stepdate( &$date, &$timestamp, $step=array( 'day' => 1 )) {
+     * step date, return updated date, array and timpstamp
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-18
+     * @param array $date, date to step
+     * @param int $timestamp
+     * @param array $step, default array( 'day' => 1 )
+     * @return void
+     */
+    function _stepdate( &$date, &$timestamp, $step=array( 'day' => 1 )) {
     foreach( $step as $stepix => $stepvalue )
-      $date[$stepix] += $stepvalue;
+        $date[$stepix] += $stepvalue;
     $timestamp  = $this->_date2timestamp( $date );
     $date       = $this->_timestamp2date( $timestamp, 6 );
     foreach( $date as $k => $v ) {
-      if( ctype_digit( $v ))
+        if( ctype_digit( $v ))
         $date[$k] = (int) $v;
     }
-  }
+    }
 /**
- * convert timestamp to date array
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-11-01
- * @param mixed $timestamp
- * @param int $parno
- * @return array
- */
-  function _timestamp2date( $timestamp, $parno=6 ) {
+     * convert timestamp to date array
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-11-01
+     * @param mixed $timestamp
+     * @param int $parno
+     * @return array
+     */
+    function _timestamp2date( $timestamp, $parno=6 ) {
     if( is_array( $timestamp )) {
-      if(( 7 == $parno ) && !empty( $timestamp['tz'] ))
+        if(( 7 == $parno ) && !empty( $timestamp['tz'] ))
         $tz = $timestamp['tz'];
-      $timestamp = $timestamp['timestamp'];
+        $timestamp = $timestamp['timestamp'];
     }
     $output = array( 'year'  => date( 'Y', $timestamp )
-                   , 'month' => date( 'm', $timestamp )
-                   , 'day'   => date( 'd', $timestamp ));
+                    , 'month' => date( 'm', $timestamp )
+                    , 'day'   => date( 'd', $timestamp ));
     if( 3 != $parno ) {
-             $output['hour'] =  date( 'H', $timestamp );
-             $output['min']  =  date( 'i', $timestamp );
-             $output['sec']  =  date( 's', $timestamp );
-      if( isset( $tz ))
+                $output['hour'] =  date( 'H', $timestamp );
+                $output['min']  =  date( 'i', $timestamp );
+                $output['sec']  =  date( 's', $timestamp );
+        if( isset( $tz ))
         $output['tz'] = $tz;
     }
     return $output;
-  }
+    }
 /**
- * convert (numeric) local time offset to seconds correcting localtime to GMT
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.16 - 2008-10-19
- * @param string $offset
- * @return integer
- */
-  function _tz2offset( $tz ) {
+     * convert (numeric) local time offset to seconds correcting localtime to GMT
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.16 - 2008-10-19
+     * @param string $offset
+     * @return integer
+     */
+    function _tz2offset( $tz ) {
     $tz           = trim( (string) $tz );
     $offset       = 0;
     if(((     5  != strlen( $tz )) && ( 7  != strlen( $tz ))) ||
        ((    '+' != substr( $tz, 0, 1 )) && ( '-' != substr( $tz, 0, 1 ))) ||
        (( '0000' >= substr( $tz, 1, 4 )) && ( '9999' < substr( $tz, 1, 4 ))) ||
            (( 7  == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 ))))
-      return $offset;
+        return $offset;
     $hours2sec    = (int) substr( $tz, 1, 2 ) * 3600;
     $min2sec      = (int) substr( $tz, 3, 2 ) *   60;
     $sec          = ( 7  == strlen( $tz )) ? (int) substr( $tz, -2 ) : '00';
     $offset       = $hours2sec + $min2sec + $sec;
     $offset       = ('-' == substr( $tz, 0, 1 )) ? $offset : -1 * $offset;
     return $offset;
-  }
+    }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * get general component config variables or info about subcomponents
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-02
- * @param string $config
- * @return value
- */
-  function getConfig( $config ) {
+     * get general component config variables or info about subcomponents
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-02
+     * @param string $config
+     * @return value
+     */
+    function getConfig( $config ) {
     switch( strtoupper( $config )) {
-      case 'ALLOWEMPTY':
+        case 'ALLOWEMPTY':
         return $this->allowEmpty;
         break;
-      case 'COMPSINFO':
+        case 'COMPSINFO':
         unset( $this->compix );
         $info = array();
         if( isset( $this->components )) {
-          foreach( $this->components as $cix => $component ) {
+            foreach( $this->components as $cix => $component ) {
             if( empty( $component )) continue;
             unset( $component->propix );
             $info[$cix]['ordno'] = $cix + 1;
@@ -5550,26 +5549,26 @@ 
             $info[$cix]['props'] = $component->getConfig( 'propinfo' );
             $info[$cix]['sub']   = $component->getConfig( 'compsinfo' );
             unset( $component->propix );
-          }
+            }
         }
         return $info;
         break;
-      case 'FORMAT':
+        case 'FORMAT':
         return $this->format;
         break;
-      case 'LANGUAGE':
+        case 'LANGUAGE':
          // get language for calendar component as defined in [RFC 1766]
         return $this->language;
         break;
-      case 'NL':
+        case 'NL':
       case 'NEWLINECHAR':
         return $this->nl;
         break;
-      case 'PROPINFO':
+        case 'PROPINFO':
         $output = array();
         if( !in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
-          if( empty( $this->uid['value'] )) $this->_makeuid();
-                                              $output['UID']              = 1;
+            if( empty( $this->uid['value'] )) $this->_makeuid();
+                                                $output['UID']              = 1;
         }
         if( !empty( $this->dtstamp ))         $output['DTSTAMP']          = 1;
         if( !empty( $this->summary ))         $output['SUMMARY']          = 1;
@@ -5616,51 +5615,51 @@ 
         if( !empty( $this->xprop ))           $output['X-PROP']           = count( $this->xprop );
         return $output;
         break;
-      case 'UNIQUE_ID':
+        case 'UNIQUE_ID':
         if( empty( $this->unique_id ))
-          $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
+            $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
         return $this->unique_id;
         break;
     }
-  }
+    }
 /**
- * general component config setting
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.8 - 2008-10-24
- * @param string $config
- * @param string $value
- * @return void
- */
-  function setConfig( $config, $value ) {
+     * general component config setting
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.8 - 2008-10-24
+     * @param string $config
+     * @param string $value
+     * @return void
+     */
+    function setConfig( $config, $value ) {
     $res = FALSE;
     switch( strtoupper( $config )) {
-      case 'ALLOWEMPTY':
+        case 'ALLOWEMPTY':
         $this->allowEmpty = $value;
         $subcfg = array( 'ALLOWEMPTY' => $value );
         $res    = TRUE;
         break;
-      case 'FORMAT':
+        case 'FORMAT':
         $value  = trim( $value );
         $this->format = $value;
         $this->_createFormat();
         $subcfg = array( 'FORMAT' => $value );
         $res    = TRUE;
         break;
-      case 'LANGUAGE':
+        case 'LANGUAGE':
          // set language for calendar component as defined in [RFC 1766]
         $value  = trim( $value );
         $this->language = $value;
         $subcfg = array( 'LANGUAGE' => $value );
         $res    = TRUE;
         break;
-      case 'NL':
+        case 'NL':
       case 'NEWLINECHAR':
         $this->nl = $value;
         $subcfg = array( 'NL' => $value );
         $res    = TRUE;
         break;
-      case 'UNIQUE_ID':
+        case 'UNIQUE_ID':
         $value  = trim( $value );
         $this->unique_id = $value;
         $subcfg = array( 'UNIQUE_ID' => $value );
@@ -5669,763 +5668,763 @@ 
     }
     if( !$res ) return FALSE;
     if( isset( $subcfg ) && !empty( $this->components )) {
-      foreach( $subcfg as $cfgkey => $cfgvalue ) {
+        foreach( $subcfg as $cfgkey => $cfgvalue ) {
         foreach( $this->components as $cix => $component ) {
-          $res = $component->setConfig( $cfgkey, $cfgvalue );
-          if( !$res )
+            $res = $component->setConfig( $cfgkey, $cfgvalue );
+            if( !$res )
             break 2;
-          $this->components[$cix] = $component; // PHP4 compliant
+            $this->components[$cix] = $component; // PHP4 compliant
+        }
         }
-      }
     }
     return $res;
-  }
+    }
 /*********************************************************************************/
 /**
- * delete component property value
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-14
- * @param string $propName
- * @param int @propix, optional, if specific property is wanted in case of multiply occurences
- * @return bool, if successfull delete TRUE
- */
-  function deleteProperty( $propName, $propix=FALSE ) {
+     * delete component property value
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-14
+     * @param string $propName
+     * @param int @propix, optional, if specific property is wanted in case of multiply occurences
+     * @return bool, if successfull delete TRUE
+     */
+    function deleteProperty( $propName, $propix=FALSE ) {
     if( $this->_notExistProp( $propName )) return FALSE;
     $propName = strtoupper( $propName );
     if( in_array( $propName, array( 'ATTACH',   'ATTENDEE', 'CATEGORIES', 'COMMENT',   'CONTACT', 'DESCRIPTION',    'EXDATE', 'EXRULE',
                                     'FREEBUSY', 'RDATE',    'RELATED-TO', 'RESOURCES', 'RRULE',   'REQUEST-STATUS', 'TZNAME', 'X-PROP'  ))) {
-      if( !$propix )
+        if( !$propix )
         $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
-      $this->propdelix[$propName] = --$propix;
+        $this->propdelix[$propName] = --$propix;
     }
     $return = FALSE;
     switch( $propName ) {
-      case 'ACTION':
+        case 'ACTION':
         if( !empty( $this->action )) {
-          $this->action = '';
-          $return = TRUE;
+            $this->action = '';
+            $return = TRUE;
         }
         break;
-      case 'ATTACH':
+        case 'ATTACH':
         return $this->deletePropertyM( $this->attach, $propix );
         break;
-      case 'ATTENDEE':
+        case 'ATTENDEE':
         return $this->deletePropertyM( $this->attendee, $propix );
         break;
-      case 'CATEGORIES':
+        case 'CATEGORIES':
         return $this->deletePropertyM( $this->categories, $propix );
         break;
-      case 'CLASS':
+        case 'CLASS':
         if( !empty( $this->class )) {
-          $this->class = '';
-          $return = TRUE;
+            $this->class = '';
+            $return = TRUE;
         }
         break;
-      case 'COMMENT':
+        case 'COMMENT':
         return $this->deletePropertyM( $this->comment, $propix );
         break;
-      case 'COMPLETED':
+        case 'COMPLETED':
         if( !empty( $this->completed )) {
-          $this->completed = '';
-          $return = TRUE;
+            $this->completed = '';
+            $return = TRUE;
         }
         break;
-      case 'CONTACT':
+        case 'CONTACT':
         return $this->deletePropertyM( $this->contact, $propix );
         break;
-      case 'CREATED':
+        case 'CREATED':
         if( !empty( $this->created )) {
-          $this->created = '';
-          $return = TRUE;
+            $this->created = '';
+            $return = TRUE;
         }
         break;
-      case 'DESCRIPTION':
+        case 'DESCRIPTION':
         return $this->deletePropertyM( $this->description, $propix );
         break;
-      case 'DTEND':
+        case 'DTEND':
         if( !empty( $this->dtend )) {
-          $this->dtend = '';
-          $return = TRUE;
+            $this->dtend = '';
+            $return = TRUE;
         }
         break;
-      case 'DTSTAMP':
+        case 'DTSTAMP':
         if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return FALSE;
+            return FALSE;
         if( !empty( $this->dtstamp )) {
-          $this->dtstamp = '';
-          $return = TRUE;
+            $this->dtstamp = '';
+            $return = TRUE;
         }
         break;
-      case 'DTSTART':
+        case 'DTSTART':
         if( !empty( $this->dtstart )) {
-          $this->dtstart = '';
-          $return = TRUE;
+            $this->dtstart = '';
+            $return = TRUE;
         }
         break;
-      case 'DUE':
+        case 'DUE':
         if( !empty( $this->due )) {
-          $this->due = '';
-          $return = TRUE;
+            $this->due = '';
+            $return = TRUE;
         }
         break;
-      case 'DURATION':
+        case 'DURATION':
         if( !empty( $this->duration )) {
-          $this->duration = '';
-          $return = TRUE;
+            $this->duration = '';
+            $return = TRUE;
         }
         break;
-      case 'EXDATE':
+        case 'EXDATE':
         return $this->deletePropertyM( $this->exdate, $propix );
         break;
-      case 'EXRULE':
+        case 'EXRULE':
         return $this->deletePropertyM( $this->exrule, $propix );
         break;
-      case 'FREEBUSY':
+        case 'FREEBUSY':
         return $this->deletePropertyM( $this->freebusy, $propix );
         break;
-      case 'GEO':
+        case 'GEO':
         if( !empty( $this->geo )) {
-          $this->geo = '';
-          $return = TRUE;
+            $this->geo = '';
+            $return = TRUE;
         }
         break;
-      case 'LAST-MODIFIED':
+        case 'LAST-MODIFIED':
         if( !empty( $this->lastmodified )) {
-          $this->lastmodified = '';
-          $return = TRUE;
+            $this->lastmodified = '';
+            $return = TRUE;
         }
         break;
-      case 'LOCATION':
+        case 'LOCATION':
         if( !empty( $this->location )) {
-          $this->location = '';
-          $return = TRUE;
+            $this->location = '';
+            $return = TRUE;
         }
         break;
-      case 'ORGANIZER':
+        case 'ORGANIZER':
         if( !empty( $this->organizer )) {
-          $this->organizer = '';
-          $return = TRUE;
+            $this->organizer = '';
+            $return = TRUE;
         }
         break;
-      case 'PERCENT-COMPLETE':
+        case 'PERCENT-COMPLETE':
         if( !empty( $this->percentcomplete )) {
-          $this->percentcomplete = '';
-          $return = TRUE;
+            $this->percentcomplete = '';
+            $return = TRUE;
         }
         break;
-      case 'PRIORITY':
+        case 'PRIORITY':
         if( !empty( $this->priority )) {
-          $this->priority = '';
-          $return = TRUE;
+            $this->priority = '';
+            $return = TRUE;
         }
         break;
-      case 'RDATE':
+        case 'RDATE':
         return $this->deletePropertyM( $this->rdate, $propix );
         break;
-      case 'RECURRENCE-ID':
+        case 'RECURRENCE-ID':
         if( !empty( $this->recurrenceid )) {
-          $this->recurrenceid = '';
-          $return = TRUE;
+            $this->recurrenceid = '';
+            $return = TRUE;
         }
         break;
-      case 'RELATED-TO':
+        case 'RELATED-TO':
         return $this->deletePropertyM( $this->relatedto, $propix );
         break;
-      case 'REPEAT':
+        case 'REPEAT':
         if( !empty( $this->repeat )) {
-          $this->repeat = '';
-          $return = TRUE;
+            $this->repeat = '';
+            $return = TRUE;
         }
         break;
-      case 'REQUEST-STATUS':
+        case 'REQUEST-STATUS':
         return $this->deletePropertyM( $this->requeststatus, $propix );
         break;
-      case 'RESOURCES':
+        case 'RESOURCES':
         return $this->deletePropertyM( $this->resources, $propix );
         break;
-      case 'RRULE':
+        case 'RRULE':
         return $this->deletePropertyM( $this->rrule, $propix );
         break;
-      case 'SEQUENCE':
+        case 'SEQUENCE':
         if( !empty( $this->sequence )) {
-          $this->sequence = '';
-          $return = TRUE;
+            $this->sequence = '';
+            $return = TRUE;
         }
         break;
-      case 'STATUS':
+        case 'STATUS':
         if( !empty( $this->status )) {
-          $this->status = '';
-          $return = TRUE;
+            $this->status = '';
+            $return = TRUE;
         }
         break;
-      case 'SUMMARY':
+        case 'SUMMARY':
         if( !empty( $this->summary )) {
-          $this->summary = '';
-          $return = TRUE;
+            $this->summary = '';
+            $return = TRUE;
         }
         break;
-      case 'TRANSP':
+        case 'TRANSP':
         if( !empty( $this->transp )) {
-          $this->transp = '';
-          $return = TRUE;
+            $this->transp = '';
+            $return = TRUE;
         }
         break;
-      case 'TRIGGER':
+        case 'TRIGGER':
         if( !empty( $this->trigger )) {
-          $this->trigger = '';
-          $return = TRUE;
+            $this->trigger = '';
+            $return = TRUE;
         }
         break;
-      case 'TZID':
+        case 'TZID':
         if( !empty( $this->tzid )) {
-          $this->tzid = '';
-          $return = TRUE;
+            $this->tzid = '';
+            $return = TRUE;
         }
         break;
-      case 'TZNAME':
+        case 'TZNAME':
         return $this->deletePropertyM( $this->tzname, $propix );
         break;
-      case 'TZOFFSETFROM':
+        case 'TZOFFSETFROM':
         if( !empty( $this->tzoffsetfrom )) {
-          $this->tzoffsetfrom = '';
-          $return = TRUE;
+            $this->tzoffsetfrom = '';
+            $return = TRUE;
         }
         break;
-      case 'TZOFFSETTO':
+        case 'TZOFFSETTO':
         if( !empty( $this->tzoffsetto )) {
-          $this->tzoffsetto = '';
-          $return = TRUE;
+            $this->tzoffsetto = '';
+            $return = TRUE;
         }
         break;
-      case 'TZURL':
+        case 'TZURL':
         if( !empty( $this->tzurl )) {
-          $this->tzurl = '';
-          $return = TRUE;
+            $this->tzurl = '';
+            $return = TRUE;
         }
         break;
-      case 'UID':
+        case 'UID':
         if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return FALSE;
+            return FALSE;
         if( !empty( $this->uid )) {
-          $this->uid = '';
-          $return = TRUE;
+            $this->uid = '';
+            $return = TRUE;
         }
         break;
-      case 'URL':
+        case 'URL':
         if( !empty( $this->url )) {
-          $this->url = '';
-          $return = TRUE;
+            $this->url = '';
+            $return = TRUE;
         }
         break;
-      default:
+        default:
         $reduced = '';
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          foreach( $this->xprop as $k => $a ) {
+            if( !isset( $this->xprop[$propName] )) return FALSE;
+            foreach( $this->xprop as $k => $a ) {
             if(( $k != $propName ) && !empty( $a ))
-              $reduced[$k] = $a;
-          }
+                $reduced[$k] = $a;
+            }
         }
         else {
-          if( count( $this->xprop ) <= $propix )  return FALSE;
-          $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
+            if( count( $this->xprop ) <= $propix )  return FALSE;
+            $xpropno = 0;
+            foreach( $this->xprop as $xpropkey => $xpropvalue ) {
             if( $propix != $xpropno )
-              $reduced[$xpropkey] = $xpropvalue;
+                $reduced[$xpropkey] = $xpropvalue;
             $xpropno++;
-          }
+            }
         }
         $this->xprop = $reduced;
         return TRUE;
     }
     return $return;
-  }
+    }
 /*********************************************************************************/
 /**
- * delete component property value, fixing components with multiple occurencies
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.5 - 2008-11-07
- * @param array $multiprop, reference to a component property
- * @param int @propix, default 0
- * @return bool TRUE
- */
-  function deletePropertyM( & $multiprop, $propix=0 ) {
+     * delete component property value, fixing components with multiple occurencies
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.5 - 2008-11-07
+     * @param array $multiprop, reference to a component property
+     * @param int @propix, default 0
+     * @return bool TRUE
+     */
+    function deletePropertyM( & $multiprop, $propix=0 ) {
     if( !isset( $multiprop[$propix])) return FALSE;
     unset( $multiprop[$propix] );
     if( empty( $multiprop )) $multiprop = '';
     return ( isset( $this->multiprop[$propix] )) ? FALSE : TRUE;
-  }
+    }
 /**
- * get component property value/params
- *
- * if property has multiply values, consequtive function calls are needed
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-02
- * @param string $propName, optional
- * @param int @propix, optional, if specific property is wanted in case of multiply occurences
- * @param bool $inclParam=FALSE
- * @param bool $specform=FALSE
- * @return mixed
- */
-  function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE, $specform=FALSE ) {
+     * get component property value/params
+     *
+     * if property has multiply values, consequtive function calls are needed
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-02
+     * @param string $propName, optional
+     * @param int @propix, optional, if specific property is wanted in case of multiply occurences
+     * @param bool $inclParam=FALSE
+     * @param bool $specform=FALSE
+     * @return mixed
+     */
+    function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE, $specform=FALSE ) {
     if( $this->_notExistProp( $propName )) return FALSE;
     $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
     if( in_array( $propName, array( 'ATTACH',   'ATTENDEE', 'CATEGORIES', 'COMMENT',   'CONTACT', 'DESCRIPTION',    'EXDATE', 'EXRULE',
                                     'FREEBUSY', 'RDATE',    'RELATED-TO', 'RESOURCES', 'RRULE',   'REQUEST-STATUS', 'TZNAME', 'X-PROP'  ))) {
-      if( !$propix )
+        if( !$propix )
         $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
-      $this->propix[$propName] = --$propix;
+        $this->propix[$propName] = --$propix;
     }
     switch( $propName ) {
-      case 'ACTION':
+        case 'ACTION':
         if( !empty( $this->action['value'] )) return ( $inclParam ) ? $this->action : $this->action['value'];
         break;
-      case 'ATTACH':
+        case 'ATTACH':
         if( !isset( $this->attach[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->attach[$propix] : $this->attach[$propix]['value'];
         break;
-      case 'ATTENDEE':
+        case 'ATTENDEE':
         if( !isset( $this->attendee[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->attendee[$propix] : $this->attendee[$propix]['value'];
         break;
-      case 'CATEGORIES':
+        case 'CATEGORIES':
         if( !isset( $this->categories[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->categories[$propix] : $this->categories[$propix]['value'];
         break;
-      case 'CLASS':
+        case 'CLASS':
         if( !empty( $this->class['value'] )) return ( $inclParam ) ? $this->class : $this->class['value'];
         break;
-      case 'COMMENT':
+        case 'COMMENT':
         if( !isset( $this->comment[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->comment[$propix] : $this->comment[$propix]['value'];
         break;
-      case 'COMPLETED':
+        case 'COMPLETED':
         if( !empty( $this->completed['value'] )) return ( $inclParam ) ? $this->completed : $this->completed['value'];
         break;
-      case 'CONTACT':
+        case 'CONTACT':
         if( !isset( $this->contact[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->contact[$propix] : $this->contact[$propix]['value'];
         break;
-      case 'CREATED':
+        case 'CREATED':
         if( !empty( $this->created['value'] )) return ( $inclParam ) ? $this->created : $this->created['value'];
         break;
-      case 'DESCRIPTION':
+        case 'DESCRIPTION':
         if( !isset( $this->description[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->description[$propix] : $this->description[$propix]['value'];
         break;
-      case 'DTEND':
+        case 'DTEND':
         if( !empty( $this->dtend['value'] )) return ( $inclParam ) ? $this->dtend : $this->dtend['value'];
         break;
-      case 'DTSTAMP':
+        case 'DTSTAMP':
         if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return;
+            return;
         if( !isset( $this->dtstamp['value'] ))
-          $this->_makeDtstamp();
+            $this->_makeDtstamp();
         return ( $inclParam ) ? $this->dtstamp : $this->dtstamp['value'];
         break;
-      case 'DTSTART':
+        case 'DTSTART':
         if( !empty( $this->dtstart['value'] )) return ( $inclParam ) ? $this->dtstart : $this->dtstart['value'];
         break;
-      case 'DUE':
+        case 'DUE':
         if( !empty( $this->due['value'] )) return ( $inclParam ) ? $this->due : $this->due['value'];
         break;
-      case 'DURATION':
+        case 'DURATION':
         if( !isset( $this->duration['value'] )) return FALSE;
         $value = ( $specform ) ? $this->duration2date() : $this->duration['value'];
         return ( $inclParam ) ? array( 'value' => $value, 'params' =>  $this->duration['params'] ) : $value;
         break;
-      case 'EXDATE':
+        case 'EXDATE':
         if( !isset( $this->exdate[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->exdate[$propix] : $this->exdate[$propix]['value'];
         break;
-      case 'EXRULE':
+        case 'EXRULE':
         if( !isset( $this->exrule[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->exrule[$propix] : $this->exrule[$propix]['value'];
         break;
-      case 'FREEBUSY':
+        case 'FREEBUSY':
         if( !isset( $this->freebusy[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->freebusy[$propix] : $this->freebusy[$propix]['value'];
         break;
-      case 'GEO':
+        case 'GEO':
         if( !empty( $this->geo['value'] )) return ( $inclParam ) ? $this->geo : $this->geo['value'];
         break;
-      case 'LAST-MODIFIED':
+        case 'LAST-MODIFIED':
         if( !empty( $this->lastmodified['value'] )) return ( $inclParam ) ? $this->lastmodified : $this->lastmodified['value'];
         break;
-      case 'LOCATION':
+        case 'LOCATION':
         if( !empty( $this->location['value'] )) return ( $inclParam ) ? $this->location : $this->location['value'];
         break;
-      case 'ORGANIZER':
+        case 'ORGANIZER':
         if( !empty( $this->organizer['value'] )) return ( $inclParam ) ? $this->organizer : $this->organizer['value'];
         break;
-      case 'PERCENT-COMPLETE':
+        case 'PERCENT-COMPLETE':
         if( !empty( $this->percentcomplete['value'] )) return ( $inclParam ) ? $this->percentcomplete : $this->percentcomplete['value'];
         break;
-      case 'PRIORITY':
+        case 'PRIORITY':
         if( !empty( $this->priority['value'] )) return ( $inclParam ) ? $this->priority : $this->priority['value'];
         break;
-      case 'RDATE':
+        case 'RDATE':
         if( !isset( $this->rdate[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->rdate[$propix] : $this->rdate[$propix]['value'];
         break;
-      case 'RECURRENCE-ID':
+        case 'RECURRENCE-ID':
         if( !empty( $this->recurrenceid['value'] )) return ( $inclParam ) ? $this->recurrenceid : $this->recurrenceid['value'];
         break;
-      case 'RELATED-TO':
+        case 'RELATED-TO':
         if( !isset( $this->relatedto[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->relatedto[$propix] : $this->relatedto[$propix]['value'];
         break;
-      case 'REPEAT':
+        case 'REPEAT':
         if( !empty( $this->repeat['value'] )) return ( $inclParam ) ? $this->repeat : $this->repeat['value'];
         break;
-      case 'REQUEST-STATUS':
+        case 'REQUEST-STATUS':
         if( !isset( $this->requeststatus[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->requeststatus[$propix] : $this->requeststatus[$propix]['value'];
         break;
-      case 'RESOURCES':
+        case 'RESOURCES':
         if( !isset( $this->resources[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->resources[$propix] : $this->resources[$propix]['value'];
         break;
-      case 'RRULE':
+        case 'RRULE':
         if( !isset( $this->rrule[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->rrule[$propix] : $this->rrule[$propix]['value'];
         break;
-      case 'SEQUENCE':
+        case 'SEQUENCE':
         if( !empty( $this->sequence['value'] )) return ( $inclParam ) ? $this->sequence : $this->sequence['value'];
         break;
-      case 'STATUS':
+        case 'STATUS':
         if( !empty( $this->status['value'] )) return ( $inclParam ) ? $this->status : $this->status['value'];
         break;
-      case 'SUMMARY':
+        case 'SUMMARY':
         if( !empty( $this->summary['value'] )) return ( $inclParam ) ? $this->summary : $this->summary['value'];
         break;
-      case 'TRANSP':
+        case 'TRANSP':
         if( !empty( $this->transp['value'] )) return ( $inclParam ) ? $this->transp : $this->transp['value'];
         break;
-      case 'TRIGGER':
+        case 'TRIGGER':
         if( !empty( $this->trigger['value'] )) return ( $inclParam ) ? $this->trigger : $this->trigger['value'];
         break;
-      case 'TZID':
+        case 'TZID':
         if( !empty( $this->tzid['value'] )) return ( $inclParam ) ? $this->tzid : $this->tzid['value'];
         break;
-      case 'TZNAME':
+        case 'TZNAME':
         if( !isset( $this->tzname[$propix] )) return FALSE;
         return ( $inclParam ) ? $this->tzname[$propix] : $this->tzname[$propix]['value'];
         break;
-      case 'TZOFFSETFROM':
+        case 'TZOFFSETFROM':
         if( !empty( $this->tzoffsetfrom['value'] )) return ( $inclParam ) ? $this->tzoffsetfrom : $this->tzoffsetfrom['value'];
         break;
-      case 'TZOFFSETTO':
+        case 'TZOFFSETTO':
         if( !empty( $this->tzoffsetto['value'] )) return ( $inclParam ) ? $this->tzoffsetto : $this->tzoffsetto['value'];
         break;
-      case 'TZURL':
+        case 'TZURL':
         if( !empty( $this->tzurl['value'] )) return ( $inclParam ) ? $this->tzurl : $this->tzurl['value'];
         break;
-      case 'UID':
+        case 'UID':
         if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return FALSE;
+            return FALSE;
         if( empty( $this->uid['value'] ))
-          $this->_makeuid();
+            $this->_makeuid();
         return ( $inclParam ) ? $this->uid : $this->uid['value'];
         break;
-      case 'URL':
+        case 'URL':
         if( !empty( $this->url['value'] )) return ( $inclParam ) ? $this->url : $this->url['value'];
         break;
-      default:
+        default:
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
+            if( !isset( $this->xprop[$propName] )) return FALSE;
+            return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
                                 : array( $propName, $this->xprop[$propName]['value'] );
         }
         else {
-          if( empty( $this->xprop )) return FALSE;
-          $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
+            if( empty( $this->xprop )) return FALSE;
+            $xpropno = 0;
+            foreach( $this->xprop as $xpropkey => $xpropvalue ) {
             if( $propix == $xpropno )
-              return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
+                return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
                                     : array( $xpropkey, $this->xprop[$xpropkey]['value'] );
             else
-              $xpropno++;
-          }
-          return FALSE; // not found ??
+                $xpropno++;
+            }
+            return FALSE; // not found ??
         }
     }
     return FALSE;
-  }
+    }
 /**
- * general component property setting
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-05
- * @param mixed $args variable number of function arguments,
- *                    first argument is ALWAYS component name,
- *                    second ALWAYS component value!
- * @return void
- */
-  function setProperty() {
+     * general component property setting
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-05
+     * @param mixed $args variable number of function arguments,
+     *                    first argument is ALWAYS component name,
+     *                    second ALWAYS component value!
+     * @return void
+     */
+    function setProperty() {
     $numargs    = func_num_args();
     if( 1 > $numargs ) return FALSE;
     $arglist    = func_get_args();
     if( $this->_notExistProp( $arglist[0] )) return FALSE;
     if( !$this->getConfig( 'allowEmpty' ) && ( !isset( $arglist[1] ) || empty( $arglist[1] )))
-      return FALSE;
+        return FALSE;
     $arglist[0] = strtoupper( $arglist[0] );
     for( $argix=$numargs; $argix < 12; $argix++ ) {
-      if( !isset( $arglist[$argix] ))
+        if( !isset( $arglist[$argix] ))
         $arglist[$argix] = null;
     }
     switch( $arglist[0] ) {
-      case 'ACTION':
+        case 'ACTION':
         return $this->setAction( $arglist[1], $arglist[2] );
-      case 'ATTACH':
+        case 'ATTACH':
         return $this->setAttach( $arglist[1], $arglist[2], $arglist[3] );
-      case 'ATTENDEE':
+        case 'ATTENDEE':
         return $this->setAttendee( $arglist[1], $arglist[2], $arglist[3] );
-      case 'CATEGORIES':
+        case 'CATEGORIES':
         return $this->setCategories( $arglist[1], $arglist[2], $arglist[3] );
-      case 'CLASS':
+        case 'CLASS':
         return $this->setClass( $arglist[1], $arglist[2] );
-      case 'COMMENT':
+        case 'COMMENT':
         return $this->setComment( $arglist[1], $arglist[2], $arglist[3] );
-      case 'COMPLETED':
+        case 'COMPLETED':
         return $this->setCompleted( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
-      case 'CONTACT':
+        case 'CONTACT':
         return $this->setContact( $arglist[1], $arglist[2], $arglist[3] );
-      case 'CREATED':
+        case 'CREATED':
         return $this->setCreated( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
-      case 'DESCRIPTION':
+        case 'DESCRIPTION':
         return $this->setDescription( $arglist[1], $arglist[2], $arglist[3] );
-      case 'DTEND':
+        case 'DTEND':
         return $this->setDtend( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
-      case 'DTSTAMP':
+        case 'DTSTAMP':
         return $this->setDtstamp( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
-      case 'DTSTART':
+        case 'DTSTART':
         return $this->setDtstart( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
-      case 'DUE':
+        case 'DUE':
         return $this->setDue( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
-      case 'DURATION':
+        case 'DURATION':
         return $this->setDuration( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6] );
-      case 'EXDATE':
+        case 'EXDATE':
         return $this->setExdate( $arglist[1], $arglist[2], $arglist[3] );
-      case 'EXRULE':
+        case 'EXRULE':
         return $this->setExrule( $arglist[1], $arglist[2], $arglist[3] );
-      case 'FREEBUSY':
+        case 'FREEBUSY':
         return $this->setFreebusy( $arglist[1], $arglist[2], $arglist[3], $arglist[4] );
-      case 'GEO':
+        case 'GEO':
         return $this->setGeo( $arglist[1], $arglist[2], $arglist[3] );
-      case 'LAST-MODIFIED':
+        case 'LAST-MODIFIED':
         return $this->setLastModified( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
-      case 'LOCATION':
+        case 'LOCATION':
         return $this->setLocation( $arglist[1], $arglist[2] );
-      case 'ORGANIZER':
+        case 'ORGANIZER':
         return $this->setOrganizer( $arglist[1], $arglist[2] );
-      case 'PERCENT-COMPLETE':
+        case 'PERCENT-COMPLETE':
         return $this->setPercentComplete( $arglist[1], $arglist[2] );
-      case 'PRIORITY':
+        case 'PRIORITY':
         return $this->setPriority( $arglist[1], $arglist[2] );
-      case 'RDATE':
+        case 'RDATE':
         return $this->setRdate( $arglist[1], $arglist[2], $arglist[3] );
-      case 'RECURRENCE-ID':
+        case 'RECURRENCE-ID':
        return $this->setRecurrenceid( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
-      case 'RELATED-TO':
+        case 'RELATED-TO':
         return $this->setRelatedTo( $arglist[1], $arglist[2], $arglist[3] );
-      case 'REPEAT':
+        case 'REPEAT':
         return $this->setRepeat( $arglist[1], $arglist[2] );
-      case 'REQUEST-STATUS':
+        case 'REQUEST-STATUS':
         return $this->setRequestStatus( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5] );
-      case 'RESOURCES':
+        case 'RESOURCES':
         return $this->setResources( $arglist[1], $arglist[2], $arglist[3] );
-      case 'RRULE':
+        case 'RRULE':
         return $this->setRrule( $arglist[1], $arglist[2], $arglist[3] );
-      case 'SEQUENCE':
+        case 'SEQUENCE':
         return $this->setSequence( $arglist[1], $arglist[2] );
-      case 'STATUS':
+        case 'STATUS':
         return $this->setStatus( $arglist[1], $arglist[2] );
-      case 'SUMMARY':
+        case 'SUMMARY':
         return $this->setSummary( $arglist[1], $arglist[2] );
-      case 'TRANSP':
+        case 'TRANSP':
         return $this->setTransp( $arglist[1], $arglist[2] );
-      case 'TRIGGER':
+        case 'TRIGGER':
         return $this->setTrigger( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8], $arglist[9], $arglist[10], $arglist[11] );
-      case 'TZID':
+        case 'TZID':
         return $this->setTzid( $arglist[1], $arglist[2] );
-      case 'TZNAME':
+        case 'TZNAME':
         return $this->setTzname( $arglist[1], $arglist[2], $arglist[3] );
-      case 'TZOFFSETFROM':
+        case 'TZOFFSETFROM':
         return $this->setTzoffsetfrom( $arglist[1], $arglist[2] );
-      case 'TZOFFSETTO':
+        case 'TZOFFSETTO':
         return $this->setTzoffsetto( $arglist[1], $arglist[2] );
-      case 'TZURL':
+        case 'TZURL':
         return $this->setTzurl( $arglist[1], $arglist[2] );
-      case 'UID':
+        case 'UID':
         return $this->setUid( $arglist[1], $arglist[2] );
-      case 'URL':
+        case 'URL':
         return $this->setUrl( $arglist[1], $arglist[2] );
-      default:
+        default:
         return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] );
     }
     return FALSE;
-  }
+    }
 /*********************************************************************************/
 /**
- * parse component unparsed data into properties
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.2 - 2008-10-23
- * @param mixed $unparsedtext, optional, strict rfc2445 formatted, single property string or array of property strings
- * @return bool FALSE if error occurs during parsing
- *
- */
-  function parse( $unparsedtext=null ) {
+     * parse component unparsed data into properties
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.2 - 2008-10-23
+     * @param mixed $unparsedtext, optional, strict rfc2445 formatted, single property string or array of property strings
+     * @return bool FALSE if error occurs during parsing
+     *
+     */
+    function parse( $unparsedtext=null ) {
     if( $unparsedtext ) {
-      $this->unparsed = array();
-      if( is_array( $unparsedtext )) {
+        $this->unparsed = array();
+        if( is_array( $unparsedtext )) {
         $comp = & $this;
         foreach ( $unparsedtext as $line ) {
-          if( 'END:VALARM' == strtoupper( substr( $line, 0, 10 ))) {
+            if( 'END:VALARM' == strtoupper( substr( $line, 0, 10 ))) {
             $this->setComponent( $comp );
             $comp =  & $this;
             continue;
-          }
-          elseif( 'BEGIN:VALARM' == strtoupper( substr( $line, 0, 12 ))) {
+            }
+            elseif( 'BEGIN:VALARM' == strtoupper( substr( $line, 0, 12 ))) {
             $comp = new valarm();
             continue;
-          }
-          else
+            }
+            else
             $comp->unparsed[] = $line;
         }
-      }
-      else
+        }
+        else
         $this->unparsed = array( trim( $unparsedtext ));
     }
     elseif( !isset( $this->unparsed ))
-      $this->unparsed = array();
+        $this->unparsed = array();
             /* concatenate property values spread over several lines */
     $lastix    = -1;
     $propnames = array( 'action', 'attach', 'attendee', 'categories', 'comment', 'completed'
-                      , 'contact', 'class', 'created', 'description', 'dtend', 'dtstart'
-                      , 'dtstamp', 'due', 'duration', 'exdate', 'exrule', 'freebusy', 'geo'
-                      , 'last-modified', 'location', 'organizer', 'percent-complete'
-                      , 'priority', 'rdate', 'recurrence-id', 'related-to', 'repeat'
-                      , 'request-status', 'resources', 'rrule', 'sequence', 'status'
-                      , 'summary', 'transp', 'trigger', 'tzid', 'tzname', 'tzoffsetfrom'
-                      , 'tzoffsetto', 'tzurl', 'uid', 'url', 'x-' );
+                        , 'contact', 'class', 'created', 'description', 'dtend', 'dtstart'
+                        , 'dtstamp', 'due', 'duration', 'exdate', 'exrule', 'freebusy', 'geo'
+                        , 'last-modified', 'location', 'organizer', 'percent-complete'
+                        , 'priority', 'rdate', 'recurrence-id', 'related-to', 'repeat'
+                        , 'request-status', 'resources', 'rrule', 'sequence', 'status'
+                        , 'summary', 'transp', 'trigger', 'tzid', 'tzname', 'tzoffsetfrom'
+                        , 'tzoffsetto', 'tzurl', 'uid', 'url', 'x-' );
     $proprows  = array();
     foreach( $this->unparsed as $line ) {
-      $newProp = FALSE;
-      foreach ( $propnames as $propname ) {
+        $newProp = FALSE;
+        foreach ( $propnames as $propname ) {
         if( $propname == strtolower( substr( $line, 0, strlen( $propname )))) {
-          $newProp = TRUE;
-          break;
+            $newProp = TRUE;
+            break;
         }
-      }
-      if( $newProp ) {
+        }
+        if( $newProp ) {
         $newProp = FALSE;
         $lastix++;
         $proprows[$lastix]  = $line;
-      }
-      else {
+        }
+        else {
             /* remove line breaks */
         if(( '\n' == substr( $proprows[$lastix], -2 )) &&
            (  ' ' == substr( $line, 0, 1 ))) {
-          $proprows[$lastix] = substr( $proprows[$lastix], 0, strlen( $proprows[$lastix] ) - 2 );
-          $line = substr( $line, 1 );
+            $proprows[$lastix] = substr( $proprows[$lastix], 0, strlen( $proprows[$lastix] ) - 2 );
+            $line = substr( $line, 1 );
         }
         $proprows[$lastix] .= $line;
-      }
+        }
     }
             /* parse each property 'line' */
     foreach( $proprows as $line ) {
-      $line = str_replace( "\n ", '', $line );
-      if( '\n' == substr( $line, -2 ))
+        $line = str_replace( "\n ", '', $line );
+        if( '\n' == substr( $line, -2 ))
         $line = substr( $line, 0, strlen( $line ) - 2 );
             /* get propname, (problem with x-properties, otherwise in previous loop) */
-      $cix = $propname = null;
-      for( $cix=0; $cix < strlen( $line ); $cix++ ) {
+        $cix = $propname = null;
+        for( $cix=0; $cix < strlen( $line ); $cix++ ) {
         if( in_array( $line{$cix}, array( ':', ';' )))
-          break;
+            break;
         else {
-          $propname .= $line{$cix};
+            $propname .= $line{$cix};
         }
-      }
-      if(( 'x-' == substr( $propname, 0, 2 )) || ( 'X-' == substr( $propname, 0, 2 ))) {
+        }
+        if(( 'x-' == substr( $propname, 0, 2 )) || ( 'X-' == substr( $propname, 0, 2 ))) {
         $propname2 = $propname;
         $propname  = 'X-';
-      }
+        }
             /* rest of the line is opt.params and value */
-      $line = substr( $line, $cix );
+        $line = substr( $line, $cix );
             /* separate attributes from value */
-      $attr   = array();
-      $attrix = -1;
-      $strlen = strlen( $line );
-      for( $cix=0; $cix < $strlen; $cix++ ) {
+        $attr   = array();
+        $attrix = -1;
+        $strlen = strlen( $line );
+        for( $cix=0; $cix < $strlen; $cix++ ) {
         if((       ':'   == $line{$cix} )             &&
                  ( '://' != substr( $line, $cix, 3 )) &&
            ( 'mailto:'   != strtolower( substr( $line, $cix - 6, 7 )))) {
-          $attrEnd = TRUE;
-          if(( $cix < ( $strlen - 4 )) &&
+            $attrEnd = TRUE;
+            if(( $cix < ( $strlen - 4 )) &&
                ctype_digit( substr( $line, $cix+1, 4 ))) { // an URI with a (4pos) portnr??
             for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) {
-              if( '://' == substr( $line, $c2ix - 2, 3 )) {
+                if( '://' == substr( $line, $c2ix - 2, 3 )) {
                 $attrEnd = FALSE;
                 break; // an URI with a portnr!!
-              }
+                }
             }
-          }
-          if( $attrEnd) {
+            }
+            if( $attrEnd) {
             $line = substr( $line, $cix + 1 );
             break;
-          }
+            }
         }
         if( ';' == $line{$cix} )
-          $attr[++$attrix] = null;
+            $attr[++$attrix] = null;
         else
-          $attr[$attrix] .= $line{$cix};
-      }
+            $attr[$attrix] .= $line{$cix};
+        }
             /* make attributes in array format */
-      $propattr = array();
-      foreach( $attr as $attribute ) {
+        $propattr = array();
+        foreach( $attr as $attribute ) {
         $attrsplit = explode( '=', $attribute, 2 );
         if( 1 < count( $attrsplit ))
-          $propattr[$attrsplit[0]] = $attrsplit[1];
+            $propattr[$attrsplit[0]] = $attrsplit[1];
         else
-          $propattr[] = $attribute;
-      }
+            $propattr[] = $attribute;
+        }
             /* call setProperty( $propname.. . */
-      switch( $propname ) {
+        switch( $propname ) {
         case 'ATTENDEE':
           foreach( $propattr as $pix => $attr ) {
             $attr2 = explode( ',', $attr );
-              if( 1 < count( $attr2 ))
+                if( 1 < count( $attr2 ))
                 $propattr[$pix] = $attr2;
-          }
-          $this->setProperty( $propname, $line, $propattr );
-          break;
+            }
+            $this->setProperty( $propname, $line, $propattr );
+            break;
         case 'CATEGORIES':
         case 'RESOURCES':
           if( FALSE !== strpos( $line, ',' )) {
             $content  = explode( ',', $line );
             $clen     = count( $content );
             for( $cix = 0; $cix < $clen; $cix++ ) {
-              if( "\\" == substr($content[$cix], -1)) {
+                if( "\\" == substr($content[$cix], -1)) {
                 $content[$cix] .= ','.$content[$cix + 1];
                 unset($content[$cix + 1]);
                 $cix++;
-              }
+                }
             }
             if( 1 < count( $content )) {
-              $content = array_values( $content );
-              foreach( $content as $cix => $contentPart )
+                $content = array_values( $content );
+                foreach( $content as $cix => $contentPart )
                 $content[$cix] = $this->_strunrep( $contentPart );
-              $this->setProperty( $propname, $content, $propattr );
-              break;
+                $this->setProperty( $propname, $content, $propattr );
+                break;
             }
             else
-              $line = reset( $content );
-          }
+                $line = reset( $content );
+            }
         case 'X-':
           $propname = ( isset( $propname2 )) ? $propname2 : $propname;
         case 'COMMENT':
@@ -6435,482 +6434,482 @@ 
         case 'SUMMARY':
           if( empty( $line ))
             $propattr = null;
-          $this->setProperty( $propname, $this->_strunrep( $line ), $propattr );
-          unset( $propname2 );
-          break;
+            $this->setProperty( $propname, $this->_strunrep( $line ), $propattr );
+            unset( $propname2 );
+            break;
         case 'REQUEST-STATUS':
           $values    = explode( ';', $line, 3 );
-          $values[1] = ( !isset( $values[1] )) ? null : $this->_strunrep( $values[1] );
-          $values[2] = ( !isset( $values[2] )) ? null : $this->_strunrep( $values[2] );
-          $this->setProperty( $propname
+            $values[1] = ( !isset( $values[1] )) ? null : $this->_strunrep( $values[1] );
+            $values[2] = ( !isset( $values[2] )) ? null : $this->_strunrep( $values[2] );
+            $this->setProperty( $propname
                             , $values[0]  // statcode
                             , $values[1]  // statdesc
                             , $values[2]  // extdata
                             , $propattr );
-          break;
+            break;
         case 'FREEBUSY':
           $fbtype = ( isset( $propattr['FBTYPE'] )) ? $propattr['FBTYPE'] : ''; // force setting default, if missing
-          unset( $propattr['FBTYPE'] );
-          $values = explode( ',', $line );
-          foreach( $values as $vix => $value ) {
+            unset( $propattr['FBTYPE'] );
+            $values = explode( ',', $line );
+            foreach( $values as $vix => $value ) {
             $value2 = explode( '/', $value );
             if( 1 < count( $value2 ))
-              $values[$vix] = $value2;
-          }
-          $this->setProperty( $propname, $fbtype, $values, $propattr );
-          break;
+                $values[$vix] = $value2;
+            }
+            $this->setProperty( $propname, $fbtype, $values, $propattr );
+            break;
         case 'GEO':
           $value = explode( ';', $line, 2 );
-          if( 2 > count( $value ))
+            if( 2 > count( $value ))
             $value[1] = null;
-          $this->setProperty( $propname, $value[0], $value[1], $propattr );
-          break;
+            $this->setProperty( $propname, $value[0], $value[1], $propattr );
+            break;
         case 'EXDATE':
           $values = ( !empty( $line )) ? explode( ',', $line ) : null;
-          $this->setProperty( $propname, $values, $propattr );
-          break;
+            $this->setProperty( $propname, $values, $propattr );
+            break;
         case 'RDATE':
           if( empty( $line )) {
             $this->setProperty( $propname, $line, $propattr );
             break;
-          }
-          $values = explode( ',', $line );
-          foreach( $values as $vix => $value ) {
+            }
+            $values = explode( ',', $line );
+            foreach( $values as $vix => $value ) {
             $value2 = explode( '/', $value );
             if( 1 < count( $value2 ))
-              $values[$vix] = $value2;
-          }
-          $this->setProperty( $propname, $values, $propattr );
-          break;
+                $values[$vix] = $value2;
+            }
+            $this->setProperty( $propname, $values, $propattr );
+            break;
         case 'EXRULE':
         case 'RRULE':
           $values = explode( ';', $line );
-          $recur = array();
-          foreach( $values as $value2 ) {
+            $recur = array();
+            foreach( $values as $value2 ) {
             if( empty( $value2 ))
-              continue; // ;-char in ending position ???
+                continue; // ;-char in ending position ???
             $value3 = explode( '=', $value2, 2 );
             $rulelabel = strtoupper( $value3[0] );
             switch( $rulelabel ) {
-              case 'BYDAY': {
+                case 'BYDAY': {
                 $value4 = explode( ',', $value3[1] );
                 if( 1 < count( $value4 )) {
-                  foreach( $value4 as $v5ix => $value5 ) {
+                    foreach( $value4 as $v5ix => $value5 ) {
                     $value6 = array();
                     $dayno = $dayname = null;
                     $value5 = trim( (string) $value5 );
                     if(( ctype_alpha( substr( $value5, -1 ))) &&
                        ( ctype_alpha( substr( $value5, -2, 1 )))) {
-                      $dayname = substr( $value5, -2, 2 );
-                      if( 2 < strlen( $value5 ))
+                        $dayname = substr( $value5, -2, 2 );
+                        if( 2 < strlen( $value5 ))
                         $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
                     }
                     if( $dayno )
-                      $value6[] = $dayno;
+                        $value6[] = $dayno;
                     if( $dayname )
-                      $value6['DAY'] = $dayname;
+                        $value6['DAY'] = $dayname;
                     $value4[$v5ix] = $value6;
-                  }
+                    }
                 }
                 else {
-                  $value4 = array();
-                  $dayno  = $dayname = null;
-                  $value5 = trim( (string) $value3[1] );
-                  if(( ctype_alpha( substr( $value5, -1 ))) &&
+                    $value4 = array();
+                    $dayno  = $dayname = null;
+                    $value5 = trim( (string) $value3[1] );
+                    if(( ctype_alpha( substr( $value5, -1 ))) &&
                      ( ctype_alpha( substr( $value5, -2, 1 )))) {
-                      $dayname = substr( $value5, -2, 2 );
+                        $dayname = substr( $value5, -2, 2 );
                     if( 2 < strlen( $value5 ))
-                      $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
-                  }
-                  if( $dayno )
+                        $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                    }
+                    if( $dayno )
                     $value4[] = $dayno;
-                  if( $dayname )
+                    if( $dayname )
                     $value4['DAY'] = $dayname;
                 }
                 $recur[$rulelabel] = $value4;
                 break;
-              }
-              default: {
+                }
+                default: {
                 $value4 = explode( ',', $value3[1] );
                 if( 1 < count( $value4 ))
-                  $value3[1] = $value4;
+                    $value3[1] = $value4;
                 $recur[$rulelabel] = $value3[1];
                 break;
-              }
+                }
             } // end - switch $rulelabel
-          } // end - foreach( $values.. .
-          $this->setProperty( $propname, $recur, $propattr );
-          break;
+            } // end - foreach( $values.. .
+            $this->setProperty( $propname, $recur, $propattr );
+            break;
         default:
           $this->setProperty( $propname, $line, $propattr );
-          break;
-      } // end  switch( $propname.. .
+            break;
+        } // end  switch( $propname.. .
     } // end - foreach( $proprows.. .
     unset( $this->unparsed, $proprows );
     if( isset( $this->components ) && is_array( $this->components ) && ( 0 < count( $this->components ))) {
-      for( $six = 0; $six < count( $this->components ); $six++ ) {
+        for( $six = 0; $six < count( $this->components ); $six++ ) {
         if( !empty( $this->components[$six]->unparsed ))
-          $this->components[$six]->parse();
-      }
+            $this->components[$six]->parse();
+        }
+    }
     }
-  }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * return a copy of this component
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.16 - 2007-11-07
- * @return object
- */
-  function copy() {
+     * return a copy of this component
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.16 - 2007-11-07
+     * @return object
+     */
+    function copy() {
     $serialized_contents = serialize($this);
     $copy = unserialize($serialized_contents);
     unset( $copy->propix );
     return $copy;
- }
+    }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * delete calendar subcomponent from component container
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-15
- * @param mixed $arg1 ordno / component type / component uid
- * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return void
- */
-  function deleteComponent( $arg1, $arg2=FALSE  ) {
+     * delete calendar subcomponent from component container
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-15
+     * @param mixed $arg1 ordno / component type / component uid
+     * @param mixed $arg2 optional, ordno if arg1 = component type
+     * @return void
+     */
+    function deleteComponent( $arg1, $arg2=FALSE  ) {
     if( !isset( $this->components )) return FALSE;
     $argType = $index = null;
     if ( ctype_digit( (string) $arg1 )) {
-      $argType = 'INDEX';
-      $index   = (int) $arg1 - 1;
+        $argType = 'INDEX';
+        $index   = (int) $arg1 - 1;
     }
     elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
+        $argType = strtolower( $arg1 );
+        $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
     }
     $cix2dC = 0;
     foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+        if( empty( $component )) continue;
+        unset( $component->propix );
+        if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         unset( $this->components[$cix] );
         return TRUE;
-      }
-      elseif( $argType == $component->objName ) {
+        }
+        elseif( $argType == $component->objName ) {
         if( $index == $cix2dC ) {
-          unset( $this->components[$cix] );
-          return TRUE;
+            unset( $this->components[$cix] );
+            return TRUE;
         }
         $cix2dC++;
-      }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
+        }
+        elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
         unset( $this->components[$cix] );
         return TRUE;
-      }
+        }
     }
     return FALSE;
-  }
+    }
 /**
- * get calendar component subcomponent from component container
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-15
- * @param mixed $arg1 optional, ordno/component type/ component uid
- * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return object
- */
-  function getComponent ( $arg1=FALSE, $arg2=FALSE ) {
+     * get calendar component subcomponent from component container
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-15
+     * @param mixed $arg1 optional, ordno/component type/ component uid
+     * @param mixed $arg2 optional, ordno if arg1 = component type
+     * @return object
+     */
+    function getComponent ( $arg1=FALSE, $arg2=FALSE ) {
     if( !isset( $this->components )) return FALSE;
     $index = $argType = null;
     if ( !$arg1 ) {
-      $argType = 'INDEX';
-      $index   = $this->compix['INDEX'] =
+        $argType = 'INDEX';
+        $index   = $this->compix['INDEX'] =
         ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
     }
     elseif ( ctype_digit( (string) $arg1 )) {
-      $argType = 'INDEX';
-      $index   = (int) $arg1;
-      unset( $this->compix );
+        $argType = 'INDEX';
+        $index   = (int) $arg1;
+        unset( $this->compix );
     }
     elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      unset( $this->compix['INDEX'] );
-      $argType = strtolower( $arg1 );
-      if( !$arg2 )
+        unset( $this->compix['INDEX'] );
+        $argType = strtolower( $arg1 );
+        if( !$arg2 )
         $index = $this->compix[$argType] =
         ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
-      else
+        else
         $index = (int) $arg2;
     }
     $index  -= 1;
     $ckeys = array_keys( $this->components );
     if( !empty( $index) && ( $index > end( $ckeys )))
-      return FALSE;
+        return FALSE;
     $cix2gC = 0;
     foreach( $this->components as $cix => $component ) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix ))
+        if( empty( $component )) continue;
+        unset( $component->propix );
+        if(( 'INDEX' == $argType ) && ( $index == $cix ))
         return $component->copy();
-      elseif( $argType == $component->objName ) {
-         if( $index == $cix2gC )
-           return $component->copy();
-         $cix2gC++;
-      }
-      elseif( !$argType && ( $arg1 == $component->getProperty( 'uid' ))) {
+        elseif( $argType == $component->objName ) {
+            if( $index == $cix2gC )
+            return $component->copy();
+            $cix2gC++;
+        }
+        elseif( !$argType && ( $arg1 == $component->getProperty( 'uid' ))) {
         unset( $component->propix );
         return $component->copy();
-      }
+        }
     }
             /* not found.. . */
     unset( $this->compix );
     return false;
-  }
+    }
 /**
- * add calendar component as subcomponent to container for subcomponents
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 1.x.x - 2007-04-24
- * @param object $component calendar component
- * @return void
- */
-  function addSubComponent ( $component ) {
+     * add calendar component as subcomponent to container for subcomponents
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 1.x.x - 2007-04-24
+     * @param object $component calendar component
+     * @return void
+     */
+    function addSubComponent ( $component ) {
     $this->setComponent( $component );
-  }
+    }
 /**
- * add calendar component as subcomponent to container for subcomponents
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.13 - 2008-09-24
- * @param object $component calendar component
- * @param mixed $arg1 optional, ordno/component type/ component uid
- * @param mixed $arg2 optional, ordno if arg1 = component type
- * @return bool
- */
-  function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
+     * add calendar component as subcomponent to container for subcomponents
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.13 - 2008-09-24
+     * @param object $component calendar component
+     * @param mixed $arg1 optional, ordno/component type/ component uid
+     * @param mixed $arg2 optional, ordno if arg1 = component type
+     * @return bool
+     */
+    function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
     if( !isset( $this->components )) return FALSE;
     if( '' >= $component->getConfig( 'language'))
-      $component->setConfig( 'language',  $this->getConfig( 'language' ));
+        $component->setConfig( 'language',  $this->getConfig( 'language' ));
     $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
     $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
     $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
     $component->setConfig( 'format',      $this->getConfig( 'format' ));
     if( !in_array( $component->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
-      unset( $component->propix );
+        unset( $component->propix );
             /* make sure dtstamp and uid is set */
-      $dummy = $component->getProperty( 'dtstamp' );
-      $dummy = $component->getProperty( 'uid' );
+        $dummy = $component->getProperty( 'dtstamp' );
+        $dummy = $component->getProperty( 'uid' );
     }
     if( !$arg1 ) {
-      $this->components[] = $component->copy();
-      return TRUE;
+        $this->components[] = $component->copy();
+        return TRUE;
     }
     $argType = $index = null;
     if ( ctype_digit( (string) $arg1 )) {
-      $argType = 'INDEX';
-      $index   = (int) $arg1 - 1;
+        $argType = 'INDEX';
+        $index   = (int) $arg1 - 1;
     }
     elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
+        $argType = strtolower( $arg1 );
+        $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
     }
     $cix2sC = 0;
     foreach ( $this->components as $cix => $component2 ) {
-      if( empty( $component2 )) continue;
-      unset( $component2->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+        if( empty( $component2 )) continue;
+        unset( $component2->propix );
+        if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         $this->components[$cix] = $component->copy();
         return TRUE;
-      }
-      elseif( $argType == $component2->objName ) {
+        }
+        elseif( $argType == $component2->objName ) {
         if( $index == $cix2sC ) {
-          $this->components[$cix] = $component->copy();
-          return TRUE;
+            $this->components[$cix] = $component->copy();
+            return TRUE;
         }
         $cix2sC++;
-      }
-      elseif( !$argType && ($arg1 == $component2->getProperty( 'uid' ))) {
+        }
+        elseif( !$argType && ($arg1 == $component2->getProperty( 'uid' ))) {
         $this->components[$cix] = $component->copy();
         return TRUE;
-      }
+        }
     }
             /* not found.. . insert anyway.. .*/
     $this->components[] = $component->copy();
     return TRUE;
-  }
+    }
 /**
- * creates formatted output for subcomponents
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.4.10 - 2008-08-06
- * @return string
- */
-  function createSubComponent() {
+     * creates formatted output for subcomponents
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.4.10 - 2008-08-06
+     * @return string
+     */
+    function createSubComponent() {
     $output = null;
     foreach( $this->components as $component ) {
-      if( empty( $component )) continue;
-      if( '' >= $component->getConfig( 'language'))
+        if( empty( $component )) continue;
+        if( '' >= $component->getConfig( 'language'))
         $component->setConfig( 'language',  $this->getConfig( 'language' ));
-      $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
-      $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
-      $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
-      $component->setConfig( 'format',      $this->getConfig( 'format' ));
-      $output .= $component->createComponent( $this->xcaldecl );
+        $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
+        $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
+        $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
+        $component->setConfig( 'format',      $this->getConfig( 'format' ));
+        $output .= $component->createComponent( $this->xcaldecl );
     }
     return $output;
-  }
+    }
 /********************************************************************************/
 /**
- * break lines at pos 75
- *
- * Lines of text SHOULD NOT be longer than 75 octets, excluding the line
- * break. Long content lines SHOULD be split into a multiple line
- * representations using a line "folding" technique. That is, a long
- * line can be split between any two characters by inserting a CRLF
- * immediately followed by a single linear white space character (i.e.,
- * SPACE, US-ASCII decimal 32 or HTAB, US-ASCII decimal 9). Any sequence
- * of CRLF followed immediately by a single linear white space character
- * is ignored (i.e., removed) when processing the content type.
- *
- * Edited 2007-08-26 by Anders Litzell, anders@litzell.se to fix bug where
- * the reserved expression "\n" in the arg $string could be broken up by the
- * folding of lines, causing ambiguity in the return string.
- * Fix uses var $breakAtChar=75 and breaks the line at $breakAtChar-1 if need be.
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.2.8 - 2006-09-03
- * @param string $value
- * @return string
- */
-  function _size75( $string ) {
+     * break lines at pos 75
+     *
+     * Lines of text SHOULD NOT be longer than 75 octets, excluding the line
+     * break. Long content lines SHOULD be split into a multiple line
+     * representations using a line "folding" technique. That is, a long
+     * line can be split between any two characters by inserting a CRLF
+     * immediately followed by a single linear white space character (i.e.,
+     * SPACE, US-ASCII decimal 32 or HTAB, US-ASCII decimal 9). Any sequence
+     * of CRLF followed immediately by a single linear white space character
+     * is ignored (i.e., removed) when processing the content type.
+     *
+     * Edited 2007-08-26 by Anders Litzell, anders@litzell.se to fix bug where
+     * the reserved expression "\n" in the arg $string could be broken up by the
+     * folding of lines, causing ambiguity in the return string.
+     * Fix uses var $breakAtChar=75 and breaks the line at $breakAtChar-1 if need be.
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.2.8 - 2006-09-03
+     * @param string $value
+     * @return string
+     */
+    function _size75( $string ) {
     $strlen = strlen( $string );
     $tmp    = $string;
     $string = null;
     while( $strlen > 75 ) {
-       $breakAtChar = 75;
-       if( substr( $tmp, ( $breakAtChar - 1 ), strlen( '\n' )) == '\n' )
-         $breakAtChar = $breakAtChar - 1;
-       $string .= substr( $tmp, 0, $breakAtChar );
-       $string .= $this->nl;
-       $tmp     = ' '.substr( $tmp, $breakAtChar );
-       $strlen  = strlen( $tmp );
+        $breakAtChar = 75;
+        if( substr( $tmp, ( $breakAtChar - 1 ), strlen( '\n' )) == '\n' )
+            $breakAtChar = $breakAtChar - 1;
+        $string .= substr( $tmp, 0, $breakAtChar );
+        $string .= $this->nl;
+        $tmp     = ' '.substr( $tmp, $breakAtChar );
+        $strlen  = strlen( $tmp );
     } // while
     $string .= rtrim( $tmp ); // the rest
     if( $this->nl != substr( $string, ( 0 - strlen( $this->nl ))))
-      $string .= $this->nl;
+        $string .= $this->nl;
     return $string;
-  }
+    }
 /**
- * special characters management output
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.3.3 - 2007-12-20
- * @param string $string
- * @return string
- */
-  function _strrep( $string ) {
+     * special characters management output
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.3.3 - 2007-12-20
+     * @param string $string
+     * @return string
+     */
+    function _strrep( $string ) {
     switch( $this->format ) {
-      case 'xcal':
+        case 'xcal':
         $string = str_replace( '\n',  $this->nl, $string);
         $string = htmlspecialchars( strip_tags( stripslashes( urldecode ( $string ))));
         break;
-      default:
+        default:
         $pos = 0;
         while( $pos <= strlen( $string )) {
-          $pos = strpos( $string, "\\", $pos );
-          if( FALSE === $pos )
+            $pos = strpos( $string, "\\", $pos );
+            if( FALSE === $pos )
             break;
-          if( !in_array( $string{($pos + 1)}, array( 'n', 'N', 'r', ',', ';' ))) {
+            if( !in_array( $string{($pos + 1)}, array( 'n', 'N', 'r', ',', ';' ))) {
             $string = substr( $string, 0, $pos )."\\".substr( $string, ( $pos + 1 ));
             $pos += 1;
-          }
-          $pos += 1;
+            }
+            $pos += 1;
         }
         if( FALSE !== strpos( $string, '"' ))
-          $string = str_replace('"',   "'",       $string);
+            $string = str_replace('"',   "'",       $string);
         if( FALSE !== strpos( $string, ',' ))
-          $string = str_replace(',',   '\,',      $string);
+            $string = str_replace(',',   '\,',      $string);
         if( FALSE !== strpos( $string, ';' ))
-          $string = str_replace(';',   '\;',      $string);
+            $string = str_replace(';',   '\;',      $string);
         if( FALSE !== strpos( $string, "\r\n" ))
-          $string = str_replace( "\r\n", '\n',    $string);
+            $string = str_replace( "\r\n", '\n',    $string);
         elseif( FALSE !== strpos( $string, "\r" ))
-          $string = str_replace( "\r", '\n',      $string);
+            $string = str_replace( "\r", '\n',      $string);
         if( FALSE !== strpos( $string, '\N' ))
-          $string = str_replace( '\N', '\n',      $string);
+            $string = str_replace( '\N', '\n',      $string);
 //        if( FALSE !== strpos( $string, $this->nl ))
-          $string = str_replace( $this->nl, '\n', $string);
+            $string = str_replace( $this->nl, '\n', $string);
         break;
     }
     return $string;
-  }
+    }
 /**
- * special characters management input (from iCal file)
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.3.3 - 2007-11-23
- * @param string $string
- * @return string
- */
-  function _strunrep( $string ) {
+     * special characters management input (from iCal file)
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.3.3 - 2007-11-23
+     * @param string $string
+     * @return string
+     */
+    function _strunrep( $string ) {
     $string = str_replace( '\\\\', '\\',     $string);
     $string = str_replace( '\,',   ',',      $string);
     $string = str_replace( '\;',   ';',      $string);
 //    $string = str_replace( '\n',  $this->nl, $string); // ??
     return $string;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * class for calendar component VEVENT
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- */
+     * class for calendar component VEVENT
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     */
 class vevent extends calendarComponent {
-  var $attach;
-  var $attendee;
-  var $categories;
-  var $comment;
-  var $contact;
-  var $class;
-  var $created;
-  var $description;
-  var $dtend;
-  var $dtstart;
-  var $duration;
-  var $exdate;
-  var $exrule;
-  var $geo;
-  var $lastmodified;
-  var $location;
-  var $organizer;
-  var $priority;
-  var $rdate;
-  var $recurrenceid;
-  var $relatedto;
-  var $requeststatus;
-  var $resources;
-  var $rrule;
-  var $sequence;
-  var $status;
-  var $summary;
-  var $transp;
-  var $url;
-  var $xprop;
+    var $attach;
+    var $attendee;
+    var $categories;
+    var $comment;
+    var $contact;
+    var $class;
+    var $created;
+    var $description;
+    var $dtend;
+    var $dtstart;
+    var $duration;
+    var $exdate;
+    var $exrule;
+    var $geo;
+    var $lastmodified;
+    var $location;
+    var $organizer;
+    var $priority;
+    var $rdate;
+    var $recurrenceid;
+    var $relatedto;
+    var $requeststatus;
+    var $resources;
+    var $rrule;
+    var $sequence;
+    var $status;
+    var $summary;
+    var $transp;
+    var $url;
+    var $xprop;
             //  component subcomponents container
-  var $components;
-/**
- * constructor for calendar component VEVENT object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-31
- * @return void
- */
-  function vevent() {
+    var $components;
+/**
+     * constructor for calendar component VEVENT object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-31
+     * @return void
+     */
+    function vevent() {
     $this->calendarComponent();
 
     $this->attach          = '';
@@ -6946,16 +6945,16 @@ 
 
     $this->components      = array();
 
-  }
+    }
 /**
- * create formatted output for calendar component VEVENT object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-07
- * @param array $xcaldecl
- * @return string
- */
-  function createComponent( &$xcaldecl ) {
+     * create formatted output for calendar component VEVENT object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-07
+     * @param array $xcaldecl
+     * @return string
+     */
+    function createComponent( &$xcaldecl ) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createUid();
@@ -6993,62 +6992,62 @@ 
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+        foreach( $this->xcaldecl as $localxcaldecl )
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * class for calendar component VTODO
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- */
+     * class for calendar component VTODO
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     */
 class vtodo extends calendarComponent {
-  var $attach;
-  var $attendee;
-  var $categories;
-  var $comment;
-  var $completed;
-  var $contact;
-  var $class;
-  var $created;
-  var $description;
-  var $dtstart;
-  var $due;
-  var $duration;
-  var $exdate;
-  var $exrule;
-  var $geo;
-  var $lastmodified;
-  var $location;
-  var $organizer;
-  var $percentcomplete;
-  var $priority;
-  var $rdate;
-  var $recurrenceid;
-  var $relatedto;
-  var $requeststatus;
-  var $resources;
-  var $rrule;
-  var $sequence;
-  var $status;
-  var $summary;
-  var $url;
-  var $xprop;
+    var $attach;
+    var $attendee;
+    var $categories;
+    var $comment;
+    var $completed;
+    var $contact;
+    var $class;
+    var $created;
+    var $description;
+    var $dtstart;
+    var $due;
+    var $duration;
+    var $exdate;
+    var $exrule;
+    var $geo;
+    var $lastmodified;
+    var $location;
+    var $organizer;
+    var $percentcomplete;
+    var $priority;
+    var $rdate;
+    var $recurrenceid;
+    var $relatedto;
+    var $requeststatus;
+    var $resources;
+    var $rrule;
+    var $sequence;
+    var $status;
+    var $summary;
+    var $url;
+    var $xprop;
             //  component subcomponents container
-  var $components;
-/**
- * constructor for calendar component VTODO object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-31
- * @return void
- */
-  function vtodo() {
+    var $components;
+/**
+     * constructor for calendar component VTODO object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-31
+     * @return void
+     */
+    function vtodo() {
     $this->calendarComponent();
 
     $this->attach          = '';
@@ -7084,16 +7083,16 @@ 
     $this->xprop           = '';
 
     $this->components      = array();
-  }
+    }
 /**
- * create formatted output for calendar component VTODO object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-11-07
- * @param array $xcaldecl
- * @return string
- */
-  function createComponent( &$xcaldecl ) {
+     * create formatted output for calendar component VTODO object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-11-07
+     * @param array $xcaldecl
+     * @return string
+     */
+    function createComponent( &$xcaldecl ) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createUid();
@@ -7132,52 +7131,52 @@ 
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+        foreach( $this->xcaldecl as $localxcaldecl )
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * class for calendar component VJOURNAL
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- */
+     * class for calendar component VJOURNAL
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     */
 class vjournal extends calendarComponent {
-  var $attach;
-  var $attendee;
-  var $categories;
-  var $comment;
-  var $contact;
-  var $class;
-  var $created;
-  var $description;
-  var $dtstart;
-  var $exdate;
-  var $exrule;
-  var $lastmodified;
-  var $organizer;
-  var $rdate;
-  var $recurrenceid;
-  var $relatedto;
-  var $requeststatus;
-  var $rrule;
-  var $sequence;
-  var $status;
-  var $summary;
-  var $url;
-  var $xprop;
-/**
- * constructor for calendar component VJOURNAL object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-31
- * @return void
- */
-  function vjournal() {
+    var $attach;
+    var $attendee;
+    var $categories;
+    var $comment;
+    var $contact;
+    var $class;
+    var $created;
+    var $description;
+    var $dtstart;
+    var $exdate;
+    var $exrule;
+    var $lastmodified;
+    var $organizer;
+    var $rdate;
+    var $recurrenceid;
+    var $relatedto;
+    var $requeststatus;
+    var $rrule;
+    var $sequence;
+    var $status;
+    var $summary;
+    var $url;
+    var $xprop;
+/**
+     * constructor for calendar component VJOURNAL object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-31
+     * @return void
+     */
+    function vjournal() {
     $this->calendarComponent();
 
     $this->attach          = '';
@@ -7203,16 +7202,16 @@ 
     $this->summary         = '';
     $this->url             = '';
     $this->xprop           = '';
-  }
+    }
 /**
- * create formatted output for calendar component VJOURNAL object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- * @param array $xcaldecl
- * @return string
- */
-  function createComponent( &$xcaldecl ) {
+     * create formatted output for calendar component VJOURNAL object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     * @param array $xcaldecl
+     * @return string
+     */
+    function createComponent( &$xcaldecl ) {
     $objectname = $this->_createFormat();
     $component  = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component .= $this->createUid();
@@ -7242,42 +7241,42 @@ 
     $component .= $this->createXprop();
     $component .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+        foreach( $this->xcaldecl as $localxcaldecl )
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * class for calendar component VFREEBUSY
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- */
+     * class for calendar component VFREEBUSY
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     */
 class vfreebusy extends calendarComponent {
-  var $attendee;
-  var $comment;
-  var $contact;
-  var $dtend;
-  var $dtstart;
-  var $duration;
-  var $freebusy;
-  var $organizer;
-  var $requeststatus;
-  var $url;
-  var $xprop;
+    var $attendee;
+    var $comment;
+    var $contact;
+    var $dtend;
+    var $dtstart;
+    var $duration;
+    var $freebusy;
+    var $organizer;
+    var $requeststatus;
+    var $url;
+    var $xprop;
             //  component subcomponents container
-  var $components;
-/**
- * constructor for calendar component VFREEBUSY object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-31
- * @return void
- */
-  function vfreebusy() {
+    var $components;
+/**
+     * constructor for calendar component VFREEBUSY object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-31
+     * @return void
+     */
+    function vfreebusy() {
     $this->calendarComponent();
 
     $this->attendee        = '';
@@ -7291,16 +7290,16 @@ 
     $this->requeststatus   = '';
     $this->url             = '';
     $this->xprop           = '';
-  }
+    }
 /**
- * create formatted output for calendar component VFREEBUSY object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.3.1 - 2007-11-19
- * @param array $xcaldecl
- * @return string
- */
-  function createComponent( &$xcaldecl ) {
+     * create formatted output for calendar component VFREEBUSY object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.3.1 - 2007-11-19
+     * @param array $xcaldecl
+     * @return string
+     */
+    function createComponent( &$xcaldecl ) {
     $objectname = $this->_createFormat();
     $component  = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component .= $this->createUid();
@@ -7318,38 +7317,38 @@ 
     $component .= $this->createXprop();
     $component .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+        foreach( $this->xcaldecl as $localxcaldecl )
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
- * class for calendar component VALARM
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- */
+     * class for calendar component VALARM
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     */
 class valarm extends calendarComponent {
-  var $action;
-  var $attach;
-  var $attendee;
-  var $description;
-  var $duration;
-  var $repeat;
-  var $summary;
-  var $trigger;
-  var $xprop;
-/**
- * constructor for calendar component VALARM object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-31
- * @return void
- */
-  function valarm() {
+    var $action;
+    var $attach;
+    var $attendee;
+    var $description;
+    var $duration;
+    var $repeat;
+    var $summary;
+    var $trigger;
+    var $xprop;
+/**
+     * constructor for calendar component VALARM object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-31
+     * @return void
+     */
+    function valarm() {
     $this->calendarComponent();
 
     $this->action          = '';
@@ -7361,16 +7360,16 @@ 
     $this->summary         = '';
     $this->trigger         = '';
     $this->xprop           = '';
-  }
+    }
 /**
- * create formatted output for calendar component VALARM object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-22
- * @param array $xcaldecl
- * @return string
- */
-  function createComponent( &$xcaldecl ) {
+     * create formatted output for calendar component VALARM object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-22
+     * @param array $xcaldecl
+     * @return string
+     */
+    function createComponent( &$xcaldecl ) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createAction();
@@ -7384,45 +7383,45 @@ 
     $component    .= $this->createXprop();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     return $component;
-  }
+    }
 }
 /**********************************************************************************
 /*********************************************************************************/
 /**
- * class for calendar component VTIMEZONE
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-12
- */
+     * class for calendar component VTIMEZONE
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-12
+     */
 class vtimezone extends calendarComponent {
-  var $timezonetype;
+    var $timezonetype;
 
-  var $comment;
-  var $dtstart;
-  var $lastmodified;
-  var $rdate;
-  var $rrule;
-  var $tzid;
-  var $tzname;
-  var $tzoffsetfrom;
-  var $tzoffsetto;
-  var $tzurl;
-  var $xprop;
+    var $comment;
+    var $dtstart;
+    var $lastmodified;
+    var $rdate;
+    var $rrule;
+    var $tzid;
+    var $tzname;
+    var $tzoffsetfrom;
+    var $tzoffsetto;
+    var $tzurl;
+    var $xprop;
             //  component subcomponents container
-  var $components;
-/**
- * constructor for calendar component VTIMEZONE object
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-31
- * @param string $timezonetype optional, default FALSE ( STANDARD / DAYLIGHT )
- * @return void
- */
-  function vtimezone( $timezonetype=FALSE ) {
+    var $components;
+/**
+     * constructor for calendar component VTIMEZONE object
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-31
+     * @param string $timezonetype optional, default FALSE ( STANDARD / DAYLIGHT )
+     * @return void
+     */
+    function vtimezone( $timezonetype=FALSE ) {
     if( !$timezonetype )
-      $this->timezonetype = 'VTIMEZONE';
+        $this->timezonetype = 'VTIMEZONE';
     else
-      $this->timezonetype = strtoupper( $timezonetype );
+        $this->timezonetype = strtoupper( $timezonetype );
     $this->calendarComponent();
 
     $this->comment         = '';
@@ -7438,16 +7437,16 @@ 
     $this->xprop           = '';
 
     $this->components      = array();
-  }
+    }
 /**
- * create formatted output for calendar component VTIMEZONE object instance
- *
- * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
- * @since 2.5.1 - 2008-10-25
- * @param array $xcaldecl
- * @return string
- */
-  function createComponent( &$xcaldecl ) {
+     * create formatted output for calendar component VTIMEZONE object instance
+     *
+     * @author Kjell-Inge Gustafsson <ical@kigkonsult.se>
+     * @since 2.5.1 - 2008-10-25
+     * @param array $xcaldecl
+     * @return string
+     */
+    function createComponent( &$xcaldecl ) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createTzid();
@@ -7464,10 +7463,10 @@ 
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+        foreach( $this->xcaldecl as $localxcaldecl )
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
-  }
+    }
 }
 ?>
\ No newline at end of file

Spacing +2505 added lines, -2505 removed lines

@@ -44,10 +44,10 @@ 
 }
 */
             /* only for phpversion 5.x, date management, default timezone setting */
-if( substr( phpversion(), 0, 1) >= '5' ) // && ( 'UTC' == date_default_timezone_get() )) {
-  date_default_timezone_set( 'Europe/Stockholm' );
+if (substr(phpversion(), 0, 1) >= '5') // && ( 'UTC' == date_default_timezone_get() )) {
+  date_default_timezone_set('Europe/Stockholm');
             /* version string, do NOT remove!! */
-define( 'ICALCREATOR_VERSION', 'iCalcreator 2.6' );
+define('ICALCREATOR_VERSION', 'iCalcreator 2.6');
 /*********************************************************************************/
 /*********************************************************************************/
 /**
@@ -87,7 +87,7 @@ 
  * @since 2.2.13 - 2007-12-30
  * @return void
  */
-  function vcalendar () {
+  function vcalendar() {
     $this->_makeVersion();
     $this->calscale   = null;
     $this->method     = null;
@@ -97,15 +97,15 @@ 
 /**
  *   language = <Text identifying a language, as defined in [RFC 1766]>
  */
-    if( defined( 'ICAL_LANG' ))
-      $this->setConfig( 'language', ICAL_LANG );
-    $this->setConfig( 'allowEmpty', TRUE );
-    $this->setConfig( 'nl',         "\n" );
-    $this->setConfig( 'format',     'iCal');
+    if (defined('ICAL_LANG'))
+      $this->setConfig('language', ICAL_LANG);
+    $this->setConfig('allowEmpty', TRUE);
+    $this->setConfig('nl', "\n");
+    $this->setConfig('format', 'iCal');
     $this->directory  = null;
     $this->filename   = null;
     $this->url        = null;
-    $this->setConfig( 'delimiter',  DIRECTORY_SEPARATOR );
+    $this->setConfig('delimiter', DIRECTORY_SEPARATOR);
     $this->xcaldecl   = array();
     $this->components = array();
   }
@@ -121,8 +121,8 @@ 
  * @return string
  */
   function createCalscale() {
-    if( empty( $this->calscale )) return FALSE;
-    switch( $this->format ) {
+    if (empty($this->calscale)) return FALSE;
+    switch ($this->format) {
       case 'xcal':
         return ' calscale="'.$this->calscale.'"'.$this->nl;
         break;
@@ -139,8 +139,8 @@ 
  * @param string $value
  * @return void
  */
-  function setCalscale( $value ) {
-    if( empty( $value )) return FALSE;
+  function setCalscale($value) {
+    if (empty($value)) return FALSE;
     $this->calscale = $value;
   }
 /*********************************************************************************/
@@ -155,8 +155,8 @@ 
  * @return string
  */
   function createMethod() {
-    if( empty( $this->method )) return FALSE;
-    switch( $this->format ) {
+    if (empty($this->method)) return FALSE;
+    switch ($this->format) {
       case 'xcal':
         return ' method="'.$this->method.'"'.$this->nl;
         break;
@@ -173,8 +173,8 @@ 
  * @param string $value
  * @return bool
  */
-  function setMethod( $value ) {
-    if( empty( $value )) return FALSE;
+  function setMethod($value) {
+    if (empty($value)) return FALSE;
     $this->method = $value;
     return TRUE;
   }
@@ -194,9 +194,9 @@ 
  * @return string
  */
   function createProdid() {
-    if( !isset( $this->prodid ))
+    if (!isset($this->prodid))
       $this->_makeProdid();
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
         return ' prodid="'.$this->prodid.'"'.$this->nl;
         break;
@@ -213,7 +213,7 @@ 
  * @return void
  */
   function _makeProdid() {
-    $this->prodid  = '-//'.$this->unique_id.'//NONSGML '.ICALCREATOR_VERSION.'//'.strtoupper( $this->language );
+    $this->prodid = '-//'.$this->unique_id.'//NONSGML '.ICALCREATOR_VERSION.'//'.strtoupper($this->language);
   }
 /**
  * Conformance: The property MUST be specified once in an iCalendar object.
@@ -229,7 +229,7 @@ 
  * @return void
  */
   function _makeUnique_id() {
-    $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
+    $this->unique_id = (isset($_SERVER['SERVER_NAME'])) ? gethostbyname($_SERVER['SERVER_NAME']) : 'localhost';
   }
 /*********************************************************************************/
 /**
@@ -246,9 +246,9 @@ 
  * @return string
  */
   function createVersion() {
-    if( empty( $this->version ))
+    if (empty($this->version))
       $this->_makeVersion();
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
         return ' version="'.$this->version.'"'.$this->nl;
         break;
@@ -275,8 +275,8 @@ 
  * @param string $value
  * @return void
  */
-  function setVersion( $value ) {
-    if( empty( $value )) return FALSE;
+  function setVersion($value) {
+    if (empty($value)) return FALSE;
     $this->version = $value;
     return TRUE;
   }
@@ -292,29 +292,29 @@ 
  * @return string
  */
   function createXprop() {
-    if( 'xcal' == $this->format )
+    if ('xcal' == $this->format)
       return false;
-    if( 0 >= count( $this->xprop ))
+    if (0 >= count($this->xprop))
       return;
     $output = null;
     $toolbox = new calendarComponent();
-    $toolbox->setConfig( 'language', $this->getConfig( 'language' ));
-    $toolbox->setConfig( 'nl',       $this->getConfig( 'nl' ));
-    $toolbox->_createFormat(         $this->getConfig( 'format' ));
-    foreach( $this->xprop as $label => $xpropPart ) {
-      if( empty( $xpropPart['value'] )) {
-        $output  .= $toolbox->_createElement( $label );
+    $toolbox->setConfig('language', $this->getConfig('language'));
+    $toolbox->setConfig('nl', $this->getConfig('nl'));
+    $toolbox->_createFormat($this->getConfig('format'));
+    foreach ($this->xprop as $label => $xpropPart) {
+      if (empty($xpropPart['value'])) {
+        $output  .= $toolbox->_createElement($label);
         continue;
       }
-      $attributes = $toolbox->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
-      if( is_array( $xpropPart['value'] )) {
-        foreach( $xpropPart['value'] as $pix => $theXpart )
-          $xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart );
-        $xpropPart['value']  = implode( ',', $xpropPart['value'] );
+      $attributes = $toolbox->_createParams($xpropPart['params'], array('LANGUAGE'));
+      if (is_array($xpropPart['value'])) {
+        foreach ($xpropPart['value'] as $pix => $theXpart)
+          $xpropPart['value'][$pix] = $toolbox->_strrep($theXpart);
+        $xpropPart['value'] = implode(',', $xpropPart['value']);
       }
       else
-        $xpropPart['value'] = $toolbox->_strrep( $xpropPart['value'] );
-      $output    .= $toolbox->_createElement( $label, $attributes, $xpropPart['value'] );
+        $xpropPart['value'] = $toolbox->_strrep($xpropPart['value']);
+      $output .= $toolbox->_createElement($label, $attributes, $xpropPart['value']);
     }
     return $output;
   }
@@ -328,14 +328,14 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setXprop( $label, $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    if( empty( $label )) return FALSE;
-    $xprop           = array( 'value' => $value );
+  function setXprop($label, $value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    if (empty($label)) return FALSE;
+    $xprop           = array('value' => $value);
     $toolbox         = new calendarComponent();
-    $xprop['params'] = $toolbox->_setParams( $params );
-    if( !is_array( $this->xprop )) $this->xprop = array();
-    $this->xprop[strtoupper( $label )] = $xprop;
+    $xprop['params'] = $toolbox->_setParams($params);
+    if (!is_array($this->xprop)) $this->xprop = array();
+    $this->xprop[strtoupper($label)] = $xprop;
     return TRUE;
   }
 /*********************************************************************************/
@@ -348,39 +348,39 @@ 
  * @param int @propix, optional, if specific property is wanted in case of multiply occurences
  * @return bool, if successfull delete
  */
-  function deleteProperty( $propName, $propix=FALSE ) {
-    $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
-    if( !$propix )
-      $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+  function deleteProperty($propName, $propix = FALSE) {
+    $propName = ($propName) ? strtoupper($propName) : 'X-PROP';
+    if (!$propix)
+      $propix = (isset($this->propdelix[$propName])) ? $this->propdelix[$propName] + 2 : 1;
     $this->propdelix[$propName] = --$propix;
     $return = FALSE;
-    switch( $propName ) {
+    switch ($propName) {
       case 'CALSCALE':
-        if( isset( $this->calscale )) {
+        if (isset($this->calscale)) {
           $this->calscale = null;
           $return = TRUE;
         }
         break;
       case 'METHOD':
-        if( isset( $this->method )) {
-          $this->method   = null;
+        if (isset($this->method)) {
+          $this->method = null;
           $return = TRUE;
         }
         break;
       default:
         $reduced = array();
-        if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          foreach( $this->xprop as $k => $a ) {
-            if(( $k != $propName ) && !empty( $a ))
+        if ($propName != 'X-PROP') {
+          if (!isset($this->xprop[$propName])) return FALSE;
+          foreach ($this->xprop as $k => $a) {
+            if (($k != $propName) && !empty($a))
               $reduced[$k] = $a;
           }
         }
         else {
-          if( count( $this->xprop ) <= $propix )  return FALSE;
+          if (count($this->xprop) <= $propix)  return FALSE;
           $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix != $xpropno )
+          foreach ($this->xprop as $xpropkey => $xpropvalue) {
+            if ($propix != $xpropno)
               $reduced[$xpropkey] = $xpropvalue;
             $xpropno++;
           }
@@ -400,41 +400,41 @@ 
  * @param bool $inclParam=FALSE
  * @return mixed
  */
-  function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) {
-    $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
-    if( 'X-PROP' == $propName ) {
-      if( !$propix )
-        $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
+  function getProperty($propName = FALSE, $propix = FALSE, $inclParam = FALSE) {
+    $propName = ($propName) ? strtoupper($propName) : 'X-PROP';
+    if ('X-PROP' == $propName) {
+      if (!$propix)
+        $propix = (isset($this->propix[$propName])) ? $this->propix[$propName] + 2 : 1;
       $this->propix[$propName] = --$propix;
     }
-    switch( $propName ) {
+    switch ($propName) {
       case 'CALSCALE':
-        return ( !empty( $this->calscale )) ? $this->calscale : null;
+        return (!empty($this->calscale)) ? $this->calscale : null;
         break;
       case 'METHOD':
-        return ( !empty( $this->method )) ? $this->method : null;
+        return (!empty($this->method)) ? $this->method : null;
         break;
       case 'PRODID':
-        if( empty( $this->prodid ))
+        if (empty($this->prodid))
           $this->_makeProdid();
         return $this->prodid;
         break;
       case 'VERSION':
-        return ( !empty( $this->version )) ? $this->version : null;
+        return (!empty($this->version)) ? $this->version : null;
         break;
       default:
-        if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
-                                : array( $propName, $this->xprop[$propName]['value'] );
+        if ($propName != 'X-PROP') {
+          if (!isset($this->xprop[$propName])) return FALSE;
+          return ($inclParam) ? array($propName, $this->xprop[$propName])
+                                : array($propName, $this->xprop[$propName]['value']);
         }
         else {
-          if( empty( $this->xprop )) return FALSE;
+          if (empty($this->xprop)) return FALSE;
           $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix == $xpropno )
-              return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
-                                    : array( $xpropkey, $this->xprop[$xpropkey]['value'] );
+          foreach ($this->xprop as $xpropkey => $xpropvalue) {
+            if ($propix == $xpropno)
+              return ($inclParam) ? array($xpropkey, $this->xprop[$xpropkey])
+                                    : array($xpropkey, $this->xprop[$xpropkey]['value']);
             else
               $xpropno++;
           }
@@ -453,23 +453,23 @@ 
  *                    second ALWAYS component value!
  * @return bool
  */
-  function setProperty () {
+  function setProperty() {
     $numargs    = func_num_args();
-    if( 1 > $numargs )
+    if (1 > $numargs)
       return FALSE;
     $arglist    = func_get_args();
-    $arglist[0] = strtoupper( $arglist[0] );
-    switch( $arglist[0] ) {
+    $arglist[0] = strtoupper($arglist[0]);
+    switch ($arglist[0]) {
       case 'CALSCALE':
-        return $this->setCalscale( $arglist[1] );
+        return $this->setCalscale($arglist[1]);
       case 'METHOD':
-        return $this->setMethod( $arglist[1] );
+        return $this->setMethod($arglist[1]);
       case 'VERSION':
-        return $this->setVersion( $arglist[1] );
+        return $this->setVersion($arglist[1]);
       default:
-        if( !isset( $arglist[1] )) $arglist[1] = null;
-        if( !isset( $arglist[2] )) $arglist[2] = null;
-        return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] );
+        if (!isset($arglist[1])) $arglist[1] = null;
+        if (!isset($arglist[2])) $arglist[2] = null;
+        return $this->setXprop($arglist[0], $arglist[1], $arglist[2]);
     }
     return FALSE;
   }
@@ -482,23 +482,23 @@ 
  * @param string $config
  * @return value
  */
-  function getConfig( $config ) {
-    switch( strtoupper( $config )) {
+  function getConfig($config) {
+    switch (strtoupper($config)) {
       case 'ALLOWEMPTY':
         return $this->allowEmpty;
         break;
       case 'COMPSINFO':
-        unset( $this->compix );
+        unset($this->compix);
         $info = array();
-        foreach( $this->components as $cix => $component ) {
-          if( empty( $component )) continue;
-          unset( $component->propix );
+        foreach ($this->components as $cix => $component) {
+          if (empty($component)) continue;
+          unset($component->propix);
           $info[$cix]['ordno'] = $cix + 1;
           $info[$cix]['type']  = $component->objName;
-          $info[$cix]['uid']   = $component->getProperty( 'uid' );
-          $info[$cix]['props'] = $component->getConfig( 'propinfo' );
-          $info[$cix]['sub']   = $component->getConfig( 'compsinfo' );
-          unset( $component->propix );
+          $info[$cix]['uid']   = $component->getProperty('uid');
+          $info[$cix]['props'] = $component->getConfig('propinfo');
+          $info[$cix]['sub']   = $component->getConfig('compsinfo');
+          unset($component->propix);
         }
         return $info;
         break;
@@ -506,32 +506,32 @@ 
         return $this->delimiter;
         break;
       case 'DIRECTORY':
-        if( empty( $this->directory ))
+        if (empty($this->directory))
           $this->directory = '.';
         return $this->directory;
         break;
       case 'DIRFILE':
-        return $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$this->getConfig( 'filename' );
+        return $this->getConfig('directory').$this->getConfig('delimiter').$this->getConfig('filename');
         break;
       case 'FILEINFO':
-        return array( $this->getConfig( 'directory' )
-                    , $this->getConfig( 'filename' )
-                    , $this->getConfig( 'filesize' ));
+        return array($this->getConfig('directory')
+                    , $this->getConfig('filename')
+                    , $this->getConfig('filesize'));
         break;
       case 'FILENAME':
-        if( empty( $this->filename )) {
-          if( 'xcal' == $this->format )
-            $this->filename = date( 'YmdHis' ).'.xml'; // recommended xcs.. .
+        if (empty($this->filename)) {
+          if ('xcal' == $this->format)
+            $this->filename = date('YmdHis').'.xml'; // recommended xcs.. .
           else
-            $this->filename = date( 'YmdHis' ).'.ics';
+            $this->filename = date('YmdHis').'.ics';
         }
         return $this->filename;
         break;
       case 'FILESIZE':
-        $size    = 0;
-        if( empty( $this->url )) {
-          $dirfile = $this->getConfig( 'dirfile' );
-          if( FALSE === ( $size = filesize( $dirfile )))
+        $size = 0;
+        if (empty($this->url)) {
+          $dirfile = $this->getConfig('dirfile');
+          if (FALSE === ($size = filesize($dirfile)))
             $size = 0;
           clearstatcache();
         }
@@ -552,7 +552,7 @@ 
         return $this->unique_id;
         break;
       case 'URL':
-        if( !empty( $this->url ))
+        if (!empty($this->url))
           return $this->url;
         else
           return FALSE;
@@ -568,12 +568,12 @@ 
  * @param string $value
  * @return void
  */
-  function setConfig( $config, $value ) {
+  function setConfig($config, $value) {
     $res = FALSE;
-    switch( strtoupper( $config )) {
+    switch (strtoupper($config)) {
       case 'ALLOWEMPTY':
         $this->allowEmpty = $value;
-        $subcfg  = array( 'ALLOWEMPTY' => $value );
+        $subcfg = array('ALLOWEMPTY' => $value);
         $res = TRUE;
         break;
       case 'DELIMITER':
@@ -581,11 +581,11 @@ 
         return TRUE;
         break;
       case 'DIRECTORY':
-        $value   = trim( $value );
+        $value   = trim($value);
         $nl      = $this->getConfig('delimiter');
-        if( $nl == substr( $value, ( 0 - strlen( $nl ))))
-          $value = substr( $value, 0, ( strlen( $value ) - strlen( $nl )));
-        if( is_dir( $value )) {
+        if ($nl == substr($value, (0 - strlen($nl))))
+          $value = substr($value, 0, (strlen($value) - strlen($nl)));
+        if (is_dir($value)) {
             /* local directory */
           clearstatcache();
           $this->directory = $value;
@@ -596,16 +596,16 @@ 
           return FALSE;
         break;
       case 'FILENAME':
-        $value   = trim( $value );
-        if( !empty( $this->url )) {
+        $value = trim($value);
+        if (!empty($this->url)) {
             /* remote directory+file - URL */
           $this->filename = $value;
           return TRUE;
         }
-        $dirfile = $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$value;
-        if( file_exists( $dirfile )) {
+        $dirfile = $this->getConfig('directory').$this->getConfig('delimiter').$value;
+        if (file_exists($dirfile)) {
             /* local existing file */
-          if( is_readable( $dirfile ) || is_writable( $dirfile )) {
+          if (is_readable($dirfile) || is_writable($dirfile)) {
             clearstatcache();
             $this->filename = $value;
             return TRUE;
@@ -613,7 +613,7 @@ 
           else
             return FALSE;
         }
-        elseif( FALSE !== touch( $dirfile )) {
+        elseif (FALSE !== touch($dirfile)) {
             /* new local file created */
           $this->filename = $value;
           return TRUE;
@@ -622,8 +622,8 @@ 
           return FALSE;
         break;
       case 'FORMAT':
-        $value   = trim( $value );
-        if( 'xcal' == strtolower( $value )) {
+        $value = trim($value);
+        if ('xcal' == strtolower($value)) {
           $this->format             = 'xcal';
           $this->attributeDelimiter = $this->nl;
           $this->valueInit          = null;
@@ -633,46 +633,46 @@ 
           $this->attributeDelimiter = ';';
           $this->valueInit          = ':';
         }
-        $subcfg  = array( 'FORMAT' => $value );
+        $subcfg = array('FORMAT' => $value);
         $res = TRUE;
         break;
       case 'LANGUAGE':
          // set language for calendar component as defined in [RFC 1766]
-        $value   = trim( $value );
+        $value   = trim($value);
         $this->language = $value;
-        $subcfg  = array( 'LANGUAGE' => $value );
+        $subcfg  = array('LANGUAGE' => $value);
         $res = TRUE;
         break;
       case 'NL':
       case 'NEWLINECHAR':
         $this->nl = $value;
-        $subcfg  = array( 'NL' => $value );
+        $subcfg = array('NL' => $value);
         $res = TRUE;
         break;
       case 'UNIQUE_ID':
-        $value   = trim( $value );
+        $value   = trim($value);
         $this->unique_id = $value;
-        $subcfg  = array( 'UNIQUE_ID' => $value );
+        $subcfg  = array('UNIQUE_ID' => $value);
         $res = TRUE;
         break;
       case 'URL':
             /* remote file - URL */
-        $value     = trim( $value );
-        $value     = str_replace( 'HTTP://',   'http://', $value );
-        $value     = str_replace( 'WEBCAL://', 'http://', $value );
-        $value     = str_replace( 'webcal://', 'http://', $value );
+        $value     = trim($value);
+        $value     = str_replace('HTTP://', 'http://', $value);
+        $value     = str_replace('WEBCAL://', 'http://', $value);
+        $value     = str_replace('webcal://', 'http://', $value);
         $this->url = $value;
         $this->directory = null;
-        $parts     = pathinfo( $value );
-        return $this->setConfig( 'filename',  $parts['basename'] );
+        $parts     = pathinfo($value);
+        return $this->setConfig('filename', $parts['basename']);
         break;
     }
-    if( !$res ) return FALSE;
-    if( isset( $subcfg ) && !empty( $this->components )) {
-      foreach( $subcfg as $cfgkey => $cfgvalue ) {
-        foreach( $this->components as $cix => $component ) {
-          $res = $component->setConfig( $cfgkey, $cfgvalue );
-          if( !$res )
+    if (!$res) return FALSE;
+    if (isset($subcfg) && !empty($this->components)) {
+      foreach ($subcfg as $cfgkey => $cfgvalue) {
+        foreach ($this->components as $cix => $component) {
+          $res = $component->setConfig($cfgkey, $cfgvalue);
+          if (!$res)
             break 2;
           $this->components[$cix] = $component->copy(); // PHP4 compliant
         }
@@ -691,8 +691,8 @@ 
  * @param object $component calendar component
  * @return void
  */
-  function addComponent( $component ) {
-    $this->setComponent( $component );
+  function addComponent($component) {
+    $this->setComponent($component);
   }
 /**
  * delete calendar component from container
@@ -703,33 +703,33 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return void
  */
-  function deleteComponent( $arg1, $arg2=FALSE  ) {
+  function deleteComponent($arg1, $arg2 = FALSE) {
     $argType = $index = null;
-    if ( ctype_digit( (string) $arg1 )) {
+    if (ctype_digit((string) $arg1)) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
     }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
+    elseif ((strlen($arg1) <= strlen('vfreebusy')) && (FALSE === strpos($arg1, '@'))) {
+      $argType = strtolower($arg1);
+      $index   = (!empty($arg2) && ctype_digit((string) $arg2)) ? ((int) $arg2 - 1) : 0;
     }
     $cix1dC = 0;
-    foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
-        unset( $this->components[$cix] );
+    foreach ($this->components as $cix => $component) {
+      if (empty($component)) continue;
+      unset($component->propix);
+      if (('INDEX' == $argType) && ($index == $cix)) {
+        unset($this->components[$cix]);
         return TRUE;
       }
-      elseif( $argType == $component->objName ) {
-        if( $index == $cix1dC ) {
-          unset( $this->components[$cix] );
+      elseif ($argType == $component->objName) {
+        if ($index == $cix1dC) {
+          unset($this->components[$cix]);
           return TRUE;
         }
         $cix1dC++;
       }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
-        unset( $this->components[$cix] );
+      elseif (!$argType && ($arg1 == $component->getProperty('uid'))) {
+        unset($this->components[$cix]);
         return TRUE;
       }
     }
@@ -744,49 +744,49 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return object
  */
-  function getComponent( $arg1=FALSE, $arg2=FALSE ) {
+  function getComponent($arg1 = FALSE, $arg2 = FALSE) {
     $index = $argType = null;
-    if ( !$arg1 ) {
+    if (!$arg1) {
       $argType = 'INDEX';
       $index   = $this->compix['INDEX'] =
-        ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
+        (isset($this->compix['INDEX'])) ? $this->compix['INDEX'] + 1 : 1;
     }
-    elseif ( ctype_digit( (string) $arg1 )) {
+    elseif (ctype_digit((string) $arg1)) {
       $argType = 'INDEX';
       $index   = (int) $arg1;
-      unset( $this->compix );
+      unset($this->compix);
     }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      unset( $this->compix['INDEX'] );
-      $argType = strtolower( $arg1 );
-      if( !$arg2 )
+    elseif ((strlen($arg1) <= strlen('vfreebusy')) && (FALSE === strpos($arg1, '@'))) {
+      unset($this->compix['INDEX']);
+      $argType = strtolower($arg1);
+      if (!$arg2)
         $index = $this->compix[$argType] =
-        ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
+        (isset($this->compix[$argType])) ? $this->compix[$argType] + 1 : 1;
       else
         $index = (int) $arg2;
     }
-    $index  -= 1;
-    $ckeys =  array_keys( $this->components );
-    if( !empty( $index) && ( $index > end(  $ckeys )))
+    $index -= 1;
+    $ckeys = array_keys($this->components);
+    if (!empty($index) && ($index > end($ckeys)))
       return FALSE;
     $cix1gC = 0;
-    foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix ))
+    foreach ($this->components as $cix => $component) {
+      if (empty($component)) continue;
+      unset($component->propix);
+      if (('INDEX' == $argType) && ($index == $cix))
         return $component->copy();
-      elseif( $argType == $component->objName ) {
-         if( $index == $cix1gC )
+      elseif ($argType == $component->objName) {
+         if ($index == $cix1gC)
            return $component->copy();
          $cix1gC++;
       }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
-        unset( $component->propix );
+      elseif (!$argType && ($arg1 == $component->getProperty('uid'))) {
+        unset($component->propix);
         return $component->copy();
       }
     }
             /* not found.. . */
-    unset( $this->compix );
+    unset($this->compix);
     return FALSE;
   }
 /**
@@ -813,242 +813,242 @@ 
  *                               FALSE - one occurance of component only in output array</tr>
  * @return array or FALSE
  */
-  function selectComponents( $startY=FALSE, $startM=FALSE, $startD=FALSE, $endY=FALSE, $endM=FALSE, $endD=FALSE, $cType=FALSE, $flat=FALSE, $any=TRUE, $split=TRUE ) {
+  function selectComponents($startY = FALSE, $startM = FALSE, $startD = FALSE, $endY = FALSE, $endM = FALSE, $endD = FALSE, $cType = FALSE, $flat = FALSE, $any = TRUE, $split = TRUE) {
             /* check  if empty calendar */
-    if( 0 >= count( $this->components )) return FALSE;
+    if (0 >= count($this->components)) return FALSE;
             /* check default dates */
-    if( !$startY ) $startY = date( 'Y' );
-    if( !$startM ) $startM = date( 'm' );
-    if( !$startD ) $startD = date( 'd' );
-    $startDate = mktime( 0, 0, 0, $startM, $startD, $startY );
-    if( !$endY )   $endY   = $startY;
-    if( !$endM )   $endM   = $startM;
-    if( !$endD )   $endD   = $startD;
-    $endDate   = mktime( 23, 59, 59, $endM, $endD, $endY );
+    if (!$startY) $startY = date('Y');
+    if (!$startM) $startM = date('m');
+    if (!$startD) $startD = date('d');
+    $startDate = mktime(0, 0, 0, $startM, $startD, $startY);
+    if (!$endY)   $endY   = $startY;
+    if (!$endM)   $endM   = $startM;
+    if (!$endD)   $endD   = $startD;
+    $endDate = mktime(23, 59, 59, $endM, $endD, $endY);
             /* check component types */
-    $validTypes = array('vevent', 'vtodo', 'vjournal', 'vfreebusy' );
-    if( is_array( $cType )) {
-      foreach( $cType as $cix => $theType ) {
-        $cType[$cix] = $theType = strtolower( $theType );
-        if( !in_array( $theType, $validTypes ))
+    $validTypes = array('vevent', 'vtodo', 'vjournal', 'vfreebusy');
+    if (is_array($cType)) {
+      foreach ($cType as $cix => $theType) {
+        $cType[$cix] = $theType = strtolower($theType);
+        if (!in_array($theType, $validTypes))
           $cType[$cix] = 'vevent';
       }
-      $cType = array_unique( $cType );
+      $cType = array_unique($cType);
     }
-    elseif( !empty( $cType )) {
-      $cType = strtolower( $cType );
-      if( !in_array( $cType, $validTypes ))
-        $cType = array( 'vevent' );
+    elseif (!empty($cType)) {
+      $cType = strtolower($cType);
+      if (!in_array($cType, $validTypes))
+        $cType = array('vevent');
       else
-        $cType = array( $cType );
+        $cType = array($cType);
     }
     else
       $cType = $validTypes;
-    if( 0 >= count( $cType ))
+    if (0 >= count($cType))
       $cType = $validTypes;
             /* iterate components */
     $result = array();
-    foreach ( $this->components as $cix => $component ) {
-      if( empty( $component )) continue;
-      unset( $component->propix, $start );
+    foreach ($this->components as $cix => $component) {
+      if (empty($component)) continue;
+      unset($component->propix, $start);
             /* deselect unvalid type components */
-      if( !in_array( $component->objName, $cType )) continue;
+      if (!in_array($component->objName, $cType)) continue;
             /* deselect components without dtstart set */
-      if( FALSE === ( $start = $component->getProperty( 'dtstart' ))) continue;
+      if (FALSE === ($start = $component->getProperty('dtstart'))) continue;
       $dtendExist = $dueExist = $durationExist = $endAllDayEvent = FALSE;
-      unset( $end, $startWdate, $endWdate, $rdurWsecs, $rdur, $exdatelist, $workstart, $workend ); // clean up
-      $startWdate = $component->_date2timestamp( $start );
-      $startDateFormat = ( isset( $start['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
+      unset($end, $startWdate, $endWdate, $rdurWsecs, $rdur, $exdatelist, $workstart, $workend); // clean up
+      $startWdate = $component->_date2timestamp($start);
+      $startDateFormat = (isset($start['hour'])) ? 'Y-m-d H:i:s' : 'Y-m-d';
             /* get end date from dtend/due/duration properties */
-      $end = $component->getProperty( 'dtend' );
-      if( !empty( $end )) {
+      $end = $component->getProperty('dtend');
+      if (!empty($end)) {
         $dtendExist = TRUE;
-        $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
+        $endDateFormat = (isset($end['hour'])) ? 'Y-m-d H:i:s' : 'Y-m-d';
       }
    // if( !empty($end))  echo 'selectComp 1 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
-      if( empty($end) && ( $component->objName == 'vtodo' )) {
-        $end = $component->getProperty( 'due' );
-        if( !empty( $end )) {
+      if (empty($end) && ($component->objName == 'vtodo')) {
+        $end = $component->getProperty('due');
+        if (!empty($end)) {
           $dueExist = TRUE;
-          $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d';
+          $endDateFormat = (isset($end['hour'])) ? 'Y-m-d H:i:s' : 'Y-m-d';
         }
    // if( !empty($end))  echo 'selectComp 2 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
       }
-      if( !empty( $end ) && !isset( $end['hour'] )) {
+      if (!empty($end) && !isset($end['hour'])) {
           /* a DTEND without time part regards an event that ends the day before,
              for an all-day event DTSTART=20071201 DTEND=20071202 (taking place 20071201!!! */
         $endAllDayEvent = TRUE;
-        $endWdate = mktime( 23, 59, 59, $end['month'], ($end['day'] - 1), $end['year'] );
-        $end['year']  = date( 'Y', $endWdate );
-        $end['month'] = date( 'm', $endWdate );
-        $end['day']   = date( 'd', $endWdate );
+        $endWdate = mktime(23, 59, 59, $end['month'], ($end['day'] - 1), $end['year']);
+        $end['year']  = date('Y', $endWdate);
+        $end['month'] = date('m', $endWdate);
+        $end['day']   = date('d', $endWdate);
         $end['hour']  = 23;
         $end['min']   = $end['sec'] = 59;
    // if( !empty($end))  echo 'selectComp 3 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
       }
-      if( empty( $end )) {
-        $end = $component->getProperty( 'duration', FALSE, FALSE, TRUE );// in dtend (array) format
-        if( !empty( $end ))
+      if (empty($end)) {
+        $end = $component->getProperty('duration', FALSE, FALSE, TRUE); // in dtend (array) format
+        if (!empty($end))
           $durationExist = TRUE;
    // if( !empty($end))  echo 'selectComp 4 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
       }
-      if( empty( $end )) { // assume one day duration if missing end date
-        $end = array( 'year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59 );
+      if (empty($end)) { // assume one day duration if missing end date
+        $end = array('year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59);
    // if( isset($end))  echo 'selectComp 5 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
       }
-      $endWdate = $component->_date2timestamp( $end );
-      if( $endWdate < $startWdate ) { // MUST be after start date!!
-        $end = array( 'year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59 );
-        $endWdate = $component->_date2timestamp( $end );
+      $endWdate = $component->_date2timestamp($end);
+      if ($endWdate < $startWdate) { // MUST be after start date!!
+        $end = array('year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59);
+        $endWdate = $component->_date2timestamp($end);
       }
       $rdurWsecs  = $endWdate - $startWdate; // compute component duration in seconds
-      $rdur       = $component->_date2duration( $start, $end ); // compute component duration, array
+      $rdur       = $component->_date2duration($start, $end); // compute component duration, array
             /* make a list of optional exclude dates for component occurence from exrule and exdate */
       $exdatelist = array();
-      $workstart  = $component->_timestamp2date(( $startDate - $rdurWsecs ), 6);
-      $workend    = $component->_timestamp2date(( $endDate + $rdurWsecs ), 6);
-      while( FALSE !== ( $exrule = $component->getProperty( 'exrule' )))    // check exrule
-        $component->_recur2date( $exdatelist, $exrule, $start, $workstart, $workend );
-      while( FALSE !== ( $exdate = $component->getProperty( 'exdate' ))) {  // check exdate
-        foreach( $exdate as $theExdate ) {
-          $exWdate = $component->_date2timestamp( $theExdate );
-          if((( $startDate - $rdurWsecs ) <= $exWdate ) && ( $endDate >= $exWdate ))
+      $workstart  = $component->_timestamp2date(($startDate - $rdurWsecs), 6);
+      $workend    = $component->_timestamp2date(($endDate + $rdurWsecs), 6);
+      while (FALSE !== ($exrule = $component->getProperty('exrule')))    // check exrule
+        $component->_recur2date($exdatelist, $exrule, $start, $workstart, $workend);
+      while (FALSE !== ($exdate = $component->getProperty('exdate'))) {  // check exdate
+        foreach ($exdate as $theExdate) {
+          $exWdate = $component->_date2timestamp($theExdate);
+          if ((($startDate - $rdurWsecs) <= $exWdate) && ($endDate >= $exWdate))
             $exdatelist[$exWdate] = TRUE;
         }
       }
             /* if 'any' components, check repeating components, removing all excluding dates */
-      if( TRUE === $any ) {
+      if (TRUE === $any) {
             /* make a list of optional repeating dates for component occurence, rrule, rdate */
         $recurlist = array();
-        while( FALSE !== ( $rrule = $component->getProperty( 'rrule' )))    // check rrule
-          $component->_recur2date( $recurlist, $rrule, $start, $workstart, $workend );
-        foreach( $recurlist as $recurkey => $recurvalue ) // key=match date as timestamp
+        while (FALSE !== ($rrule = $component->getProperty('rrule')))    // check rrule
+          $component->_recur2date($recurlist, $rrule, $start, $workstart, $workend);
+        foreach ($recurlist as $recurkey => $recurvalue) // key=match date as timestamp
           $recurlist[$recurkey] = $rdurWsecs; // add duration in seconds
-        while( FALSE !== ( $rdate = $component->getProperty( 'rdate' ))) {  // check rdate
-          foreach( $rdate as $theRdate ) {
-            if( is_array( $theRdate ) && ( 2 == count( $theRdate )) &&  // all days within PERIOD
-                   array_key_exists( '0', $theRdate ) &&  array_key_exists( '1', $theRdate )) {
-              $rstart = $component->_date2timestamp( $theRdate[0] );
-              if(( $rstart < ( $startDate - $rdurWsecs )) || ( $rstart > $endDate ))
+        while (FALSE !== ($rdate = $component->getProperty('rdate'))) {  // check rdate
+          foreach ($rdate as $theRdate) {
+            if (is_array($theRdate) && (2 == count($theRdate)) && // all days within PERIOD
+                   array_key_exists('0', $theRdate) && array_key_exists('1', $theRdate)) {
+              $rstart = $component->_date2timestamp($theRdate[0]);
+              if (($rstart < ($startDate - $rdurWsecs)) || ($rstart > $endDate))
                 continue;
-              if( isset( $theRdate[1]['year'] )) // date-date period
-                $rend = $component->_date2timestamp( $theRdate[1] );
+              if (isset($theRdate[1]['year'])) // date-date period
+                $rend = $component->_date2timestamp($theRdate[1]);
               else {                             // date-duration period
-                $rend = $component->duration2date( $theRdate[0], $theRdate[1] );
-                $rend = $component->_date2timestamp( $rend );
+                $rend = $component->duration2date($theRdate[0], $theRdate[1]);
+                $rend = $component->_date2timestamp($rend);
               }
-              if((( $startDate - $rdurWsecs ) <= $rstart ) && ( $endDate >= $rstart ))
-                $recurlist[$rstart] = ( $rstart - $rend ); // set start date + rdate duration in seconds
+              if ((($startDate - $rdurWsecs) <= $rstart) && ($endDate >= $rstart))
+                $recurlist[$rstart] = ($rstart - $rend); // set start date + rdate duration in seconds
             } // PERIOD end
             else { // single date
-              $theRdate = $component->_date2timestamp( $theRdate );
-              if((( $startDate - $rdurWsecs ) <= $theRdate ) && ( $endDate >= $theRdate ))
+              $theRdate = $component->_date2timestamp($theRdate);
+              if ((($startDate - $rdurWsecs) <= $theRdate) && ($endDate >= $theRdate))
                 $recurlist[$theRdate] = $rdurWsecs; // set start date + event duration in seconds
             }
           }
         }
-        if( 0 < count( $recurlist )) {
-          ksort( $recurlist );
-          foreach( $recurlist as $recurkey => $durvalue ) {
-            if((( $startDate - $rdurWsecs ) > $recurkey ) || ( $endDate < $recurkey )) // not within period
+        if (0 < count($recurlist)) {
+          ksort($recurlist);
+          foreach ($recurlist as $recurkey => $durvalue) {
+            if ((($startDate - $rdurWsecs) > $recurkey) || ($endDate < $recurkey)) // not within period
               continue;
-            if( isset( $exdatelist[$recurkey] )) // check excluded dates
+            if (isset($exdatelist[$recurkey])) // check excluded dates
               continue;
-            if( $startWdate >= $recurkey ) // exclude component start date
+            if ($startWdate >= $recurkey) // exclude component start date
               continue;
             $component2   = $component->copy();
-            $rstart       = $component2->_timestamp2date( $recurkey, 6);
+            $rstart       = $component2->_timestamp2date($recurkey, 6);
             $datevalue    = $rstart['month'].'/'.$rstart['day'].'/'.$rstart['year'];
-            if( isset( $start['hour'] ) || isset( $start['min'] ) || isset( $start['sec'] )) {
-              $datevalue .= ( isset( $rstart['hour'] )) ? ' '.$rstart['hour'] : ' 00';
-              $datevalue .= ( isset( $rstart['min'] ))  ? ':'.$rstart['min']  : ':00';
-              $datevalue .= ( isset( $rstart['sec'] ))  ? ':'.$rstart['sec']  : ':00';
+            if (isset($start['hour']) || isset($start['min']) || isset($start['sec'])) {
+              $datevalue .= (isset($rstart['hour'])) ? ' '.$rstart['hour'] : ' 00';
+              $datevalue .= (isset($rstart['min'])) ? ':'.$rstart['min'] : ':00';
+              $datevalue .= (isset($rstart['sec'])) ? ':'.$rstart['sec'] : ':00';
             }
-            $datestring = date( $startDateFormat, strtotime( $datevalue ));
-            if( isset( $start['tz'] ))
+            $datestring = date($startDateFormat, strtotime($datevalue));
+            if (isset($start['tz']))
               $datestring .= ' '.$start['tz'];
-            $component2->setProperty( 'X-CURRENT-DTSTART', $datestring );
-            $rend   = $component2->_timestamp2date(( $recurkey + $durvalue ), 6);
-            if( $dtendExist || $dueExist ) {
-              if( $endAllDayEvent ) {
-                $rend2 = mktime( 0, 0, 0, $rend['month'], ($rend['day'] + 1), $rend['year'] );
-                $datevalue  = date( 'm', $rend2 ).'/'.date( 'd', $rend2 ).'/'.date( 'Y', $rend2 );
+            $component2->setProperty('X-CURRENT-DTSTART', $datestring);
+            $rend = $component2->_timestamp2date(($recurkey + $durvalue), 6);
+            if ($dtendExist || $dueExist) {
+              if ($endAllDayEvent) {
+                $rend2 = mktime(0, 0, 0, $rend['month'], ($rend['day'] + 1), $rend['year']);
+                $datevalue  = date('m', $rend2).'/'.date('d', $rend2).'/'.date('Y', $rend2);
               }
               else {
                 $datevalue  = $rend['month'].'/'.$rend['day'].'/'.$rend['year'];
-                if( isset( $end['hour'] ) || isset( $end['min'] ) || isset( $end['sec'] )) {
-                  $datevalue .= ( isset( $rend['hour'] )) ? ' '.$rend['hour'] : ' 00';
-                  $datevalue .= ( isset( $rend['min'] ))  ? ':'.$rend['min']  : ':00';
-                  $datevalue .= ( isset( $rend['sec'] ))  ? ':'.$rend['sec']  : ':00';
+                if (isset($end['hour']) || isset($end['min']) || isset($end['sec'])) {
+                  $datevalue .= (isset($rend['hour'])) ? ' '.$rend['hour'] : ' 00';
+                  $datevalue .= (isset($rend['min'])) ? ':'.$rend['min'] : ':00';
+                  $datevalue .= (isset($rend['sec'])) ? ':'.$rend['sec'] : ':00';
                 }
               }
-              $datestring = date( $endDateFormat, strtotime( $datevalue ));
-              if( isset( $end['tz'] ))
+              $datestring = date($endDateFormat, strtotime($datevalue));
+              if (isset($end['tz']))
                 $datestring .= ' '.$end['tz'];
-              if( $dtendExist )
-                $component2->setProperty( 'X-CURRENT-DTEND', $datestring );
-              elseif( $dueExist )
-                $component2->setProperty( 'X-CURRENT-DUE', $datestring );
+              if ($dtendExist)
+                $component2->setProperty('X-CURRENT-DTEND', $datestring);
+              elseif ($dueExist)
+                $component2->setProperty('X-CURRENT-DUE', $datestring);
             }
-            $rend   = $component2->_date2timestamp( $rend );
+            $rend   = $component2->_date2timestamp($rend);
             $rstart = $recurkey;
             /* add repeating components within valid dates to output array, only start date */
-            if( $flat )
+            if ($flat)
               $result[] = $component2->copy(); // copy to output
-            elseif( $split ) {
-              if( $rend > $endDate )
+            elseif ($split) {
+              if ($rend > $endDate)
                 $rend = $endDate;
-              while( $rstart <= $rend ) { // iterate
-                $wd = getdate( $rstart );
-                if(( $rstart > $startDate ) &&      // date after dtstart
-                    !isset( $exdatelist[$rstart] )) // check exclude date
+              while ($rstart <= $rend) { // iterate
+                $wd = getdate($rstart);
+                if (($rstart > $startDate) && // date after dtstart
+                    !isset($exdatelist[$rstart])) // check exclude date
                   $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
-                $rstart += ( 24*60*60 ); // step one day
+                $rstart += (24 * 60 * 60); // step one day
               }
             }
-            elseif(( $rstart >= $startDate ) &&     // date within period
-                  !isset( $exdatelist[$rstart] )) { // check exclude date
-              $wd = getdate( $rstart );
+            elseif (($rstart >= $startDate) && // date within period
+                  !isset($exdatelist[$rstart])) { // check exclude date
+              $wd = getdate($rstart);
               $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
             }
           }
         }
             /* deselect components with startdate/enddate not within period */
-        if(( $endWdate < $startDate ) || ( $startWdate > $endDate )) continue;
+        if (($endWdate < $startDate) || ($startWdate > $endDate)) continue;
       }
             /* deselect components with startdate not within period */
-      elseif(( $startWdate < $startDate ) || ( $startWdate > $endDate )) continue;
+      elseif (($startWdate < $startDate) || ($startWdate > $endDate)) continue;
             /* add selected components within valid dates to output array */
-      if( $flat )
+      if ($flat)
         $result[] = $component->copy(); // copy to output;
-      elseif( $split ) {
-        if( $endWdate > $endDate )
-          $endWdate = $endDate;     // use period end date
-        if( !isset( $exdatelist[$startWdate] ))  { // check excluded dates
-          if( $startWdate < $startDate )
+      elseif ($split) {
+        if ($endWdate > $endDate)
+          $endWdate = $endDate; // use period end date
+        if (!isset($exdatelist[$startWdate])) { // check excluded dates
+          if ($startWdate < $startDate)
             $startWdate = $startDate; // use period start date
-          while( $startWdate <= $endWdate ) { // iterate
-            $wd = getdate( $startWdate );
+          while ($startWdate <= $endWdate) { // iterate
+            $wd = getdate($startWdate);
             $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component->copy(); // copy to output
-            $startWdate += ( 24*60*60 ); // step one day
+            $startWdate += (24 * 60 * 60); // step one day
           }
         }
       } // use component date
-      elseif( !isset( $exdatelist[$startWdate] ) &&   // check excluded dates
-            ( $startWdate >= $startDate )) {          // within period
-        $wd = getdate( $startWdate );
+      elseif (!isset($exdatelist[$startWdate]) && // check excluded dates
+            ($startWdate >= $startDate)) {          // within period
+        $wd = getdate($startWdate);
         $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component->copy(); // copy to output
       }
     }
-    if( 0 >= count( $result )) return FALSE;
-    elseif( !$flat ) {
-      foreach( $result as $y => $yeararr ) {
-        foreach( $yeararr as $m => $montharr ) {
-          ksort( $result[$y][$m] );
+    if (0 >= count($result)) return FALSE;
+    elseif (!$flat) {
+      foreach ($result as $y => $yeararr) {
+        foreach ($yeararr as $m => $montharr) {
+          ksort($result[$y][$m]);
         }
-        ksort( $result[$y] );
+        ksort($result[$y]);
       }
-      ksort( $result );
+      ksort($result);
     }
     return $result;
   }
@@ -1062,48 +1062,48 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return void
  */
-  function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
-    if( '' >= $component->getConfig( 'language'))
-      $component->setConfig( 'language',  $this->getConfig( 'language' ));
-    $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
-    $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
-    $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
-    $component->setConfig( 'format',      $this->getConfig( 'format' ));
-    if( !in_array( $component->objName, array( 'valarm', 'vtimezone' ))) {
-      unset( $component->propix );
+  function setComponent($component, $arg1 = FALSE, $arg2 = FALSE) {
+    if ('' >= $component->getConfig('language'))
+      $component->setConfig('language', $this->getConfig('language'));
+    $component->setConfig('allowEmpty', $this->getConfig('allowEmpty'));
+    $component->setConfig('nl', $this->getConfig('nl'));
+    $component->setConfig('unique_id', $this->getConfig('unique_id'));
+    $component->setConfig('format', $this->getConfig('format'));
+    if (!in_array($component->objName, array('valarm', 'vtimezone'))) {
+      unset($component->propix);
             /* make sure dtstamp and uid is set */
-      $dummy1 = $component->getProperty( 'dtstamp' );
-      $dummy2 = $component->getProperty( 'uid' );
+      $dummy1 = $component->getProperty('dtstamp');
+      $dummy2 = $component->getProperty('uid');
     }
-    if( !$arg1 ) {
+    if (!$arg1) {
       $this->components[] = $component->copy();
       return TRUE;
     }
     $argType = $index = null;
-    if ( ctype_digit( (string) $arg1 )) {
+    if (ctype_digit((string) $arg1)) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
     }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
+    elseif ((strlen($arg1) <= strlen('vfreebusy')) && (FALSE === strpos($arg1, '@'))) {
+      $argType = strtolower($arg1);
+      $index = (ctype_digit((string) $arg2)) ? ((int) $arg2) - 1 : 0;
     }
     $cix1sC = 0;
-    foreach ( $this->components as $cix => $component2) {
-      if( empty( $component2 )) continue;
-      unset( $component2->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+    foreach ($this->components as $cix => $component2) {
+      if (empty($component2)) continue;
+      unset($component2->propix);
+      if (('INDEX' == $argType) && ($index == $cix)) {
         $this->components[$cix] = $component->copy();
         return TRUE;
       }
-      elseif( $argType == $component2->objName ) {
-        if( $index == $cix1sC ) {
+      elseif ($argType == $component2->objName) {
+        if ($index == $cix1sC) {
           $this->components[$cix] = $component->copy();
           return TRUE;
         }
         $cix1sC++;
       }
-      elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) {
+      elseif (!$argType && ($arg1 == $component2->getProperty('uid'))) {
         $this->components[$cix] = $component->copy();
         return TRUE;
       }
@@ -1124,79 +1124,79 @@ 
  *
  */
   function sort() {
-    if( is_array( $this->components )) {
-      $this->_sortkeys = array( 'year', 'month', 'day', 'hour', 'min', 'sec' );
-      usort( $this->components, array( $this, '_cmpfcn' ));
-    }
-  }
-  function _cmpfcn( $a, $b ) {
-    if( empty( $a ))                                   return -1;
-    if( empty( $b ))                                   return  1;
-    if(  'vtimezone' == $a->objName)                   return -1;
-    if(  'vtimezone' == $b->objName)                   return  1;
-    $astart = ( isset( $a->xprop['X-CURRENT-DTSTART']['value'] )) ? $a->_date_time_string( $a->xprop['X-CURRENT-DTSTART']['value'] ) : null;
-    if( empty( $astart ) && isset( $a->dtstart['value'] ))
+    if (is_array($this->components)) {
+      $this->_sortkeys = array('year', 'month', 'day', 'hour', 'min', 'sec');
+      usort($this->components, array($this, '_cmpfcn'));
+    }
+  }
+  function _cmpfcn($a, $b) {
+    if (empty($a))                                   return -1;
+    if (empty($b))                                   return  1;
+    if ('vtimezone' == $a->objName)                   return -1;
+    if ('vtimezone' == $b->objName)                   return  1;
+    $astart = (isset($a->xprop['X-CURRENT-DTSTART']['value'])) ? $a->_date_time_string($a->xprop['X-CURRENT-DTSTART']['value']) : null;
+    if (empty($astart) && isset($a->dtstart['value']))
       $astart = & $a->dtstart['value'];
-    $bstart = ( isset( $b->xprop['X-CURRENT-DTSTART']['value'] )) ? $b->_date_time_string( $b->xprop['X-CURRENT-DTSTART']['value'] ) : null;
-    if( empty( $bstart ) && isset( $b->dtstart['value'] ))
+    $bstart = (isset($b->xprop['X-CURRENT-DTSTART']['value'])) ? $b->_date_time_string($b->xprop['X-CURRENT-DTSTART']['value']) : null;
+    if (empty($bstart) && isset($b->dtstart['value']))
       $bstart = & $b->dtstart['value'];
-    if(     empty( $astart ))                          return -1;
-    elseif( empty( $bstart ))                          return  1;
-    foreach( $this->_sortkeys as $key ) {
-      if    ( empty( $astart[$key] ))                  return -1;
-      elseif( empty( $bstart[$key] ))                  return  1;
-      if    (        $astart[$key] == $bstart[$key])   continue;
-      if    (( (int) $astart[$key] ) < ((int) $bstart[$key] ))
+    if (empty($astart))                          return -1;
+    elseif (empty($bstart))                          return  1;
+    foreach ($this->_sortkeys as $key) {
+      if (empty($astart[$key]))                  return -1;
+      elseif (empty($bstart[$key]))                  return  1;
+      if ($astart[$key] == $bstart[$key])   continue;
+      if (((int) $astart[$key]) < ((int) $bstart[$key]))
                                                        return -1;
-      elseif(( (int) $astart[$key] ) > ((int) $bstart[$key] ))
+      elseif (((int) $astart[$key]) > ((int) $bstart[$key]))
                                                        return  1;
     }
-    $c   = ( isset( $a->xprop['X-CURRENT-DTEND']['value'] )) ? $a->_date_time_string( $a->xprop['X-CURRENT-DTEND']['value'] ) : null;
-    if(     empty( $c ) && !empty( $a->dtend['value'] ))
+    $c   = (isset($a->xprop['X-CURRENT-DTEND']['value'])) ? $a->_date_time_string($a->xprop['X-CURRENT-DTEND']['value']) : null;
+    if (empty($c) && !empty($a->dtend['value']))
       $c = & $a->dtend['value'];
-    if(     empty( $c ) && isset( $a->xprop['X-CURRENT-DUE']['value'] ))
-      $c = $a->_date_time_string( $a->xprop['X-CURRENT-DUE']['value'] );
-    if(     empty( $c ) && !empty( $a->due['value'] ))
+    if (empty($c) && isset($a->xprop['X-CURRENT-DUE']['value']))
+      $c = $a->_date_time_string($a->xprop['X-CURRENT-DUE']['value']);
+    if (empty($c) && !empty($a->due['value']))
       $c = & $a->due['value'];
-    if(     empty( $c ) && !empty( $a->duration['value'] ))
+    if (empty($c) && !empty($a->duration['value']))
       $c = $a->duration2date();
-    $d   = ( isset( $b->xprop['X-CURRENT-DTEND']['value'] )) ? $b->_date_time_string( $b->xprop['X-CURRENT-DTEND']['value'] ) : null;
-    if(     empty( $d ) && !empty( $b->dtend['value'] ))
+    $d   = (isset($b->xprop['X-CURRENT-DTEND']['value'])) ? $b->_date_time_string($b->xprop['X-CURRENT-DTEND']['value']) : null;
+    if (empty($d) && !empty($b->dtend['value']))
       $d = & $b->dtend['value'];
-    if(     empty( $d ) && isset( $b->xprop['X-CURRENT-DUE']['value'] ))
-      $d = $b->_date_time_string( $b->xprop['X-CURRENT-DUE']['value'] );
-    if(     empty( $d ) && !empty( $b->due['value'] ))
+    if (empty($d) && isset($b->xprop['X-CURRENT-DUE']['value']))
+      $d = $b->_date_time_string($b->xprop['X-CURRENT-DUE']['value']);
+    if (empty($d) && !empty($b->due['value']))
       $d = & $b->due['value'];
-    if(     empty( $d ) && !empty( $b->duration['value'] ))
+    if (empty($d) && !empty($b->duration['value']))
       $d = $b->duration2date();
-    if(     empty( $c ))                               return -1;
-    elseif( empty( $d ))                               return  1;
-    foreach( $this->_sortkeys as $key ) {
-      if    ( !isset( $c[$key] ))                      return -1;
-      elseif( !isset( $d[$key] ))                      return  1;
-      if    (         $c[$key] == $d[$key] )           continue;
-      if    ((  (int) $c[$key] ) < ((int) $d[$key]))   return -1;
-      elseif((  (int) $c[$key] ) > ((int) $d[$key]))   return  1;
-    }
-    if( isset( $a->created['value'] ))
+    if (empty($c))                               return -1;
+    elseif (empty($d))                               return  1;
+    foreach ($this->_sortkeys as $key) {
+      if (!isset($c[$key]))                      return -1;
+      elseif (!isset($d[$key]))                      return  1;
+      if ($c[$key] == $d[$key])           continue;
+      if (((int) $c[$key]) < ((int) $d[$key]))   return -1;
+      elseif (((int) $c[$key]) > ((int) $d[$key]))   return  1;
+    }
+    if (isset($a->created['value']))
      $e = & $a->created['value'];
     else
      $e = & $a->dtstamp['value'];
-    if( isset( $b->created['value'] ))
+    if (isset($b->created['value']))
       $f = & $b->created['value'];
     else
       $f = & $b->dtstamp['value'];
-    foreach( $this->_sortkeys as $key ) {
-      if(       !isset( $e[$key] ))                    return -1;
-      elseif(   !isset( $f[$key] ))                    return  1;
-      if    (           $e[$key] == $f[$key] )         continue;
-      if    ((    (int) $e[$key] ) < ((int) $f[$key])) return -1;
-      elseif((    (int) $e[$key] ) > ((int) $f[$key])) return  1;
-    }
-    if    ((            $a->uid['value'] ) <
-           (            $b->uid['value'] ))            return -1;
-    elseif((            $a->uid['value'] ) >
-           (            $b->uid['value'] ))            return  1;
+    foreach ($this->_sortkeys as $key) {
+      if (!isset($e[$key]))                    return -1;
+      elseif (!isset($f[$key]))                    return  1;
+      if ($e[$key] == $f[$key])         continue;
+      if (((int) $e[$key]) < ((int) $f[$key])) return -1;
+      elseif (((int) $e[$key]) > ((int) $f[$key])) return  1;
+    }
+    if (($a->uid['value']) <
+           ($b->uid['value']))            return -1;
+    elseif (($a->uid['value']) >
+           ($b->uid['value']))            return  1;
     return 0;
   }
 /**
@@ -1208,104 +1208,104 @@ 
  * @return bool FALSE if error occurs during parsing
  *
  */
-  function parse( $filename=FALSE ) {
-    if( !$filename ) {
+  function parse($filename = FALSE) {
+    if (!$filename) {
             /* directory/filename previous set via setConfig directory+filename / url */
-      if( FALSE === ( $filename = $this->getConfig( 'url' )))
-        $filename = $this->getConfig( 'dirfile' );
+      if (FALSE === ($filename = $this->getConfig('url')))
+        $filename = $this->getConfig('dirfile');
     }
-    elseif(( 'http://'   == strtolower( substr( $filename, 0, 7 ))) ||
-           ( 'webcal://' == strtolower( substr( $filename, 0, 9 ))))  {
+    elseif (('http://' == strtolower(substr($filename, 0, 7))) ||
+           ('webcal://' == strtolower(substr($filename, 0, 9)))) {
             /* remote file - URL */
-      $this->setConfig( 'URL', $filename );
-      if( !$filename = $this->getConfig( 'url' ))
-        return FALSE;                 /* err 2 */
+      $this->setConfig('URL', $filename);
+      if (!$filename = $this->getConfig('url'))
+        return FALSE; /* err 2 */
     }
     else {
             /* local directory/filename */
-      $parts = pathinfo( $filename );
-      if( !empty( $parts['dirname'] ) && ( '.' != $parts['dirname'] )) {
-        if( !$this->setConfig( 'directory', $parts['dirname'] ))
-          return FALSE;               /* err 3 */
+      $parts = pathinfo($filename);
+      if (!empty($parts['dirname']) && ('.' != $parts['dirname'])) {
+        if (!$this->setConfig('directory', $parts['dirname']))
+          return FALSE; /* err 3 */
       }
-      if( !$this->setConfig( 'filename', $parts['basename'] ))
-        return FALSE;                 /* err 4 */
+      if (!$this->setConfig('filename', $parts['basename']))
+        return FALSE; /* err 4 */
     }
-    if( 'http://' != substr( $filename, 0, 7 )) {
+    if ('http://' != substr($filename, 0, 7)) {
             /* local file error tests */
-      if( !is_file( $filename ))      /* err 5 */
+      if (!is_file($filename))      /* err 5 */
         return FALSE;
-      if( !is_readable( $filename ))
-        return FALSE;                 /* err 6 */
-      if( !filesize( $filename ))
-        return FALSE;                 /* err 7 */
+      if (!is_readable($filename))
+        return FALSE; /* err 6 */
+      if (!filesize($filename))
+        return FALSE; /* err 7 */
       clearstatcache();
     }
             /* READ FILE */
-    if( FALSE === ( $rows = file( $filename )))
-      return FALSE;                   /* err 1 */
+    if (FALSE === ($rows = file($filename)))
+      return FALSE; /* err 1 */
             /* identify BEGIN:VCALENDAR, MUST be first row */
-    if( 'BEGIN:VCALENDAR' != strtoupper( trim( $rows[0] )))
-      return FALSE;                   /* err 8 */
+    if ('BEGIN:VCALENDAR' != strtoupper(trim($rows[0])))
+      return FALSE; /* err 8 */
             /* remove empty trailing lines */
-    while( '' == trim( $rows[count( $rows ) - 1] )) {
-      unset( $rows[count( $rows ) - 1] );
-      $rows  = array_values( $rows );
+    while ('' == trim($rows[count($rows) - 1])) {
+      unset($rows[count($rows) - 1]);
+      $rows = array_values($rows);
     }
             /* identify ending END:VCALENDAR row */
-    if( 'END:VCALENDAR'   != strtoupper( trim( $rows[count( $rows ) - 1] ))) {
-      return FALSE;                   /* err 9 */
+    if ('END:VCALENDAR' != strtoupper(trim($rows[count($rows) - 1]))) {
+      return FALSE; /* err 9 */
     }
-    if( 3 > count( $rows ))
-      return FALSE;                   /* err 10 */
+    if (3 > count($rows))
+      return FALSE; /* err 10 */
     $comp    = $subcomp = null;
     $actcomp = & $this;
-    $nl      = $this->getConfig( 'nl' );
+    $nl      = $this->getConfig('nl');
     $calsync = 0;
             /* identify components and update unparsed data within component */
-    foreach( $rows as $line ) {
-      if( '' == trim( $line ))
+    foreach ($rows as $line) {
+      if ('' == trim($line))
         continue;
-      if( $nl == substr( $line, 0 - strlen( $nl )))
-        $line = substr( $line, 0, ( strlen( $line ) - strlen( $nl ))).'\n';
-      if( 'BEGIN:VCALENDAR' == strtoupper( substr( $line, 0, 15 ))) {
+      if ($nl == substr($line, 0 - strlen($nl)))
+        $line = substr($line, 0, (strlen($line) - strlen($nl))).'\n';
+      if ('BEGIN:VCALENDAR' == strtoupper(substr($line, 0, 15))) {
         $calsync++;
         continue;
       }
-      elseif( 'END:VCALENDAR' == strtoupper( substr( $line, 0, 13 ))) {
+      elseif ('END:VCALENDAR' == strtoupper(substr($line, 0, 13))) {
         $calsync--;
         continue;
       }
-      elseif( 1 != $calsync )
-        return FALSE;                 /* err 20 */
-      if( 'END:' == strtoupper( substr( $line, 0, 4 ))) {
-        if( null != $subcomp ) {
-          $comp->setComponent( $subcomp );
+      elseif (1 != $calsync)
+        return FALSE; /* err 20 */
+      if ('END:' == strtoupper(substr($line, 0, 4))) {
+        if (null != $subcomp) {
+          $comp->setComponent($subcomp);
           $subcomp = null;
         }
         else {
-          $this->setComponent( $comp );
+          $this->setComponent($comp);
           $comp = null;
         }
         $actcomp = null;
         continue;
       } // end - if ( 'END:' ==.. .
-      elseif( 'BEGIN:' == strtoupper( substr( $line, 0, 6 ))) {
-        $line = str_replace( '\n', '', $line );
-        $compname = trim (strtoupper( substr( $line, 6 )));
-        if( null != $comp ) {
-          if( 'VALARM' == $compname )
+      elseif ('BEGIN:' == strtoupper(substr($line, 0, 6))) {
+        $line = str_replace('\n', '', $line);
+        $compname = trim(strtoupper(substr($line, 6)));
+        if (null != $comp) {
+          if ('VALARM' == $compname)
             $subcomp = new valarm();
-          elseif( 'STANDARD' == $compname )
-            $subcomp = new vtimezone( 'STANDARD' );
-          elseif( 'DAYLIGHT' == $compname )
-            $subcomp = new vtimezone( 'DAYLIGHT' );
+          elseif ('STANDARD' == $compname)
+            $subcomp = new vtimezone('STANDARD');
+          elseif ('DAYLIGHT' == $compname)
+            $subcomp = new vtimezone('DAYLIGHT');
           else
             return FALSE; /* err 6 */
           $actcomp = & $subcomp;
         }
         else {
-          switch( $compname ) {
+          switch ($compname) {
             case 'VALARM':
               $comp = new valarm();
               break;
@@ -1336,74 +1336,74 @@ 
       $actcomp->unparsed[] = $line;
     } // end - foreach( rows.. .
             /* parse data for calendar (this) object */
-    if( is_array( $this->unparsed ) && ( 0 < count( $this->unparsed ))) {
+    if (is_array($this->unparsed) && (0 < count($this->unparsed))) {
             /* concatenate property values spread over several lines */
       $lastix    = -1;
-      $propnames = array( 'calscale','method','prodid','version','x-' );
+      $propnames = array('calscale', 'method', 'prodid', 'version', 'x-');
       $proprows  = array();
-      foreach( $this->unparsed as $line ) {
+      foreach ($this->unparsed as $line) {
         $newProp = FALSE;
-        foreach ( $propnames as $propname ) {
-          if( $propname == strtolower( substr( $line, 0, strlen( $propname )))) {
+        foreach ($propnames as $propname) {
+          if ($propname == strtolower(substr($line, 0, strlen($propname)))) {
             $newProp = TRUE;
             break;
           }
         }
-        if( $newProp ) {
+        if ($newProp) {
           $newProp = FALSE;
           $lastix++;
-          $proprows[$lastix]  = $line;
+          $proprows[$lastix] = $line;
         }
         else {
             /* remove line breaks */
-          if(( '\n' == substr( $proprows[$lastix], -2 )) &&
-             (  ' ' == substr( $line, 0, 1 ))) {
-            $proprows[$lastix] = substr( $proprows[$lastix], 0, strlen( $proprows[$lastix] ) - 2 );
-            $line = substr( $line, 1 );
+          if (('\n' == substr($proprows[$lastix], -2)) &&
+             (' ' == substr($line, 0, 1))) {
+            $proprows[$lastix] = substr($proprows[$lastix], 0, strlen($proprows[$lastix]) - 2);
+            $line = substr($line, 1);
           }
           $proprows[$lastix] .= $line;
         }
       }
       $toolbox = new calendarComponent();
-      foreach( $proprows as $line ) {
-        if( '\n' == substr( $line, -2 ))
-          $line = substr( $line, 0, strlen( $line ) - 2 );
+      foreach ($proprows as $line) {
+        if ('\n' == substr($line, -2))
+          $line = substr($line, 0, strlen($line) - 2);
             /* get propname */
         $cix = $propname = null;
-        for( $cix=0; $cix < strlen( $line ); $cix++ ) {
-          if( in_array( $line{$cix}, array( ':', ';' )))
+        for ($cix = 0; $cix < strlen($line); $cix++) {
+          if (in_array($line{$cix}, array(':', ';')))
             break;
           else
             $propname .= $line{$cix};
         }
             /* ignore version/prodid properties */
-        if( in_array( strtoupper( $propname ), array( 'VERSION', 'PRODID' )))
+        if (in_array(strtoupper($propname), array('VERSION', 'PRODID')))
           continue;
-        $line = substr( $line, $cix);
+        $line = substr($line, $cix);
             /* separate attributes from value */
         $attr   = array();
         $attrix = -1;
-        $strlen = strlen( $line );
-        for( $cix=0; $cix < $strlen; $cix++ ) {
-          if((       ':'   == $line{$cix} )             &&
-                   ( '://' != substr( $line, $cix, 3 )) &&
-             ( 'mailto:'   != strtolower( substr( $line, $cix - 6, 7 )))) {
+        $strlen = strlen($line);
+        for ($cix = 0; $cix < $strlen; $cix++) {
+          if ((':' == $line{$cix} ) &&
+                   ('://' != substr($line, $cix, 3)) &&
+             ('mailto:' != strtolower(substr($line, $cix - 6, 7)))) {
             $attrEnd = TRUE;
-            if(( $cix < ( $strlen - 4 )) &&
-                 ctype_digit( substr( $line, $cix+1, 4 ))) { // an URI with a (4pos) portnr??
-              for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) {
-                if( '://' == substr( $line, $c2ix - 2, 3 )) {
+            if (($cix < ($strlen - 4)) &&
+                 ctype_digit(substr($line, $cix + 1, 4))) { // an URI with a (4pos) portnr??
+              for ($c2ix = $cix; 3 < $c2ix; $c2ix--) {
+                if ('://' == substr($line, $c2ix - 2, 3)) {
                   $attrEnd = FALSE;
                   break; // an URI with a portnr!!
                 }
               }
             }
-            if( $attrEnd) {
-              $line = substr( $line, $cix + 1 );
+            if ($attrEnd) {
+              $line = substr($line, $cix + 1);
               break;
             }
           }
-          if( ';' == $line{$cix} )
+          if (';' == $line{$cix} )
             $attr[++$attrix] = null;
           else
             $attr[$attrix] .= $line{$cix};
@@ -1411,46 +1411,46 @@ 
 
             /* make attributes in array format */
         $propattr = array();
-        foreach( $attr as $attribute ) {
-          $attrsplit = explode( '=', $attribute, 2 );
-          if( 1 < count( $attrsplit ))
+        foreach ($attr as $attribute) {
+          $attrsplit = explode('=', $attribute, 2);
+          if (1 < count($attrsplit))
             $propattr[$attrsplit[0]] = $attrsplit[1];
           else
             $propattr[] = $attribute;
         }
             /* update Property */
-        if( FALSE !== strpos( $line, ',' )) {
-          $content  = explode( ',', $line );
-          $clen     = count( $content );
-          for( $cix = 0; $cix < $clen; $cix++ ) {
-            if( "\\" == substr( $content[$cix], -1 )) {
+        if (FALSE !== strpos($line, ',')) {
+          $content  = explode(',', $line);
+          $clen     = count($content);
+          for ($cix = 0; $cix < $clen; $cix++) {
+            if ("\\" == substr($content[$cix], -1)) {
               $content[$cix] .= ','.$content[$cix + 1];
-              unset( $content[$cix + 1] );
+              unset($content[$cix + 1]);
               $cix++;
             }
           }
-          if( 1 < count( $content )) {
-            foreach( $content as $cix => $contentPart )
-              $content[$cix] = $toolbox->_strunrep( $contentPart );
-            $this->setProperty( $propname, $content, $propattr );
+          if (1 < count($content)) {
+            foreach ($content as $cix => $contentPart)
+              $content[$cix] = $toolbox->_strunrep($contentPart);
+            $this->setProperty($propname, $content, $propattr);
             continue;
           }
           else
-            $line = reset( $content );
-          $line = $toolbox->_strunrep( $line );
+            $line = reset($content);
+          $line = $toolbox->_strunrep($line);
         }
-        $this->setProperty( $propname, trim( $line ), $propattr );
+        $this->setProperty($propname, trim($line), $propattr);
       } // end - foreach( $this->unparsed.. .
     } // end - if( is_array( $this->unparsed.. .
             /* parse Components */
-    if( is_array( $this->components ) && ( 0 < count( $this->components ))) {
-      for( $six = 0; $six < count( $this->components ); $six++ ) {
-        if( !empty( $this->components[$six] ))
+    if (is_array($this->components) && (0 < count($this->components))) {
+      for ($six = 0; $six < count($this->components); $six++) {
+        if (!empty($this->components[$six]))
           $this->components[$six]->parse();
       }
     }
     else
-      return FALSE;                   /* err 91 or something.. . */
+      return FALSE; /* err 91 or something.. . */
     return TRUE;
   }
 /*********************************************************************************/
@@ -1463,7 +1463,7 @@ 
  */
   function createCalendar() {
     $calendarInit1 = $calendarInit2 = $calendarxCaldecl = $calendarStart = $calendar = null;
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
         $calendarInit1 = '<?xml version="1.0" encoding="UTF-8"?>'.$this->nl.
                          '<!DOCTYPE iCalendar PUBLIC "-//IETF//DTD XCAL/iCalendar XML//EN"'.$this->nl.
@@ -1479,38 +1479,38 @@ 
     $calendarStart .= $this->createMethod();
     $calendarStart .= $this->createProdid();
     $calendarStart .= $this->createVersion();
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
-        $nlstrlen = strlen( $this->nl );
-        if( $this->nl == substr( $calendarStart, ( 0 - $nlstrlen )))
-          $calendarStart = substr( $calendarStart, 0, ( strlen( $calendarStart ) - $nlstrlen ));
+        $nlstrlen = strlen($this->nl);
+        if ($this->nl == substr($calendarStart, (0 - $nlstrlen)))
+          $calendarStart = substr($calendarStart, 0, (strlen($calendarStart) - $nlstrlen));
         $calendarStart .= '>'.$this->nl;
         break;
       default:
         break;
     }
     $calendar .= $this->createXprop();
-    foreach( $this->components as $component ) {
-      if( empty( $component )) continue;
-      if( '' >= $component->getConfig( 'language'))
-        $component->setConfig( 'language',  $this->getConfig( 'language' ));
-      $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
-      $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
-      $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
-      $component->setConfig( 'format',      $this->getConfig( 'format' ));
-      $calendar .= $component->createComponent( $this->xcaldecl );
-    }
-    if(( 0 < count( $this->xcaldecl )) && ( 'xcal' == $this->format )) { // xCal only
+    foreach ($this->components as $component) {
+      if (empty($component)) continue;
+      if ('' >= $component->getConfig('language'))
+        $component->setConfig('language', $this->getConfig('language'));
+      $component->setConfig('allowEmpty', $this->getConfig('allowEmpty'));
+      $component->setConfig('nl', $this->getConfig('nl'));
+      $component->setConfig('unique_id', $this->getConfig('unique_id'));
+      $component->setConfig('format', $this->getConfig('format'));
+      $calendar .= $component->createComponent($this->xcaldecl);
+    }
+    if ((0 < count($this->xcaldecl)) && ('xcal' == $this->format)) { // xCal only
       $calendarInit1 .= $this->nl.'['.$this->nl;
       $old_xcaldecl = array();
-      foreach( $this->xcaldecl as $declix => $declPart ) {
-        if(( 0 < count( $old_xcaldecl)) &&
-           ( in_array( $declPart['uri'],      $old_xcaldecl['uri'] )) &&
-           ( in_array( $declPart['external'], $old_xcaldecl['external'] )))
+      foreach ($this->xcaldecl as $declix => $declPart) {
+        if ((0 < count($old_xcaldecl)) &&
+           (in_array($declPart['uri'], $old_xcaldecl['uri'])) &&
+           (in_array($declPart['external'], $old_xcaldecl['external'])))
           continue; // no duplicate uri and ext. references
         $calendarxCaldecl .= '<!';
-        foreach( $declPart as $declKey => $declValue ) {
-          switch( $declKey ) {                    // index
+        foreach ($declPart as $declKey => $declValue) {
+          switch ($declKey) {                    // index
             case 'xmldecl':                       // no 1
               $calendarxCaldecl .= $declValue.' ';
               break;
@@ -1537,7 +1537,7 @@ 
       }
       $calendarInit2 = ']'.$calendarInit2;
     }
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
         $calendar .= '</vcalendar>'.$this->nl;
         break;
@@ -1555,18 +1555,18 @@ 
  * @return redirect
  */
   function returnCalendar() {
-    $filename = $this->getConfig( 'filename' );
+    $filename = $this->getConfig('filename');
     $output   = $this->createCalendar();
-    $filesize = strlen( $output );
+    $filesize = strlen($output);
 //    if( headers_sent( $filename, $linenum ))
 //      die( "Headers already sent in $filename on line $linenum\n" );
-    if( 'xcal' == $this->format )
-      header( 'Content-Type: application/calendar+xml; charset=utf-8' );
+    if ('xcal' == $this->format)
+      header('Content-Type: application/calendar+xml; charset=utf-8');
     else
-      header( 'Content-Type: text/calendar; charset=utf-8' );
-    header( 'Content-Length: '.$filesize );
-    header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
-    header( 'Cache-Control: max-age=10' );
+      header('Content-Type: text/calendar; charset=utf-8');
+    header('Content-Length: '.$filesize);
+    header('Content-Disposition: attachment; filename="'.$filename.'"');
+    header('Cache-Control: max-age=10');
     echo $output;
     die();
   }
@@ -1580,20 +1580,20 @@ 
  * @param string $delimiter optional
  * @return bool
  */
-  function saveCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE ) {
-    if( $directory )
-      $this->setConfig( 'directory', $directory );
-    if( $filename )
-      $this->setConfig( 'filename',  $filename );
-    if( $delimiter && ($delimiter != DIRECTORY_SEPARATOR ))
-      $this->setConfig( 'delimiter', $delimiter );
-    if( FALSE === ( $dirfile = $this->getConfig( 'url' )))
-      $dirfile = $this->getConfig( 'dirfile' );
-    $iCalFile = @fopen( $dirfile, 'w' );
-    if( $iCalFile ) {
-      if( FALSE === fwrite( $iCalFile, $this->createCalendar() ))
+  function saveCalendar($directory = FALSE, $filename = FALSE, $delimiter = FALSE) {
+    if ($directory)
+      $this->setConfig('directory', $directory);
+    if ($filename)
+      $this->setConfig('filename', $filename);
+    if ($delimiter && ($delimiter != DIRECTORY_SEPARATOR))
+      $this->setConfig('delimiter', $delimiter);
+    if (FALSE === ($dirfile = $this->getConfig('url')))
+      $dirfile = $this->getConfig('dirfile');
+    $iCalFile = @fopen($dirfile, 'w');
+    if ($iCalFile) {
+      if (FALSE === fwrite($iCalFile, $this->createCalendar()))
         return FALSE;
-      fclose( $iCalFile );
+      fclose($iCalFile);
       return TRUE;
     }
     else
@@ -1611,38 +1611,38 @@ 
  * @param int timeout optional, default 3600 sec
  * @return redirect/FALSE
  */
-  function useCachedCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE, $timeout=3600) {
-    if ( $directory && ctype_digit( (string) $directory ) && !$filename ) {
+  function useCachedCalendar($directory = FALSE, $filename = FALSE, $delimiter = FALSE, $timeout = 3600) {
+    if ($directory && ctype_digit((string) $directory) && !$filename) {
       $timeout   = (int) $directory;
       $directory = FALSE;
     }
-    if( $directory )
-      $this->setConfig( 'directory', $directory );
-    if( $filename )
-      $this->setConfig( 'filename',  $filename );
-    if( $delimiter && ( $delimiter != DIRECTORY_SEPARATOR ))
-      $this->setConfig( 'delimiter', $delimiter );
-    $filesize    = $this->getConfig( 'filesize' );
-    if( 0 >= $filesize )
+    if ($directory)
+      $this->setConfig('directory', $directory);
+    if ($filename)
+      $this->setConfig('filename', $filename);
+    if ($delimiter && ($delimiter != DIRECTORY_SEPARATOR))
+      $this->setConfig('delimiter', $delimiter);
+    $filesize    = $this->getConfig('filesize');
+    if (0 >= $filesize)
       return FALSE;
-    $dirfile     = $this->getConfig( 'dirfile' );
-    if( time() - filemtime( $dirfile ) < $timeout) {
+    $dirfile     = $this->getConfig('dirfile');
+    if (time() - filemtime($dirfile) < $timeout) {
       clearstatcache();
-      $dirfile   = $this->getConfig( 'dirfile' );
-      $filename  = $this->getConfig( 'filename' );
+      $dirfile   = $this->getConfig('dirfile');
+      $filename  = $this->getConfig('filename');
 //    if( headers_sent( $filename, $linenum ))
 //      die( "Headers already sent in $filename on line $linenum\n" );
-      if( 'xcal' == $this->format )
-        header( 'Content-Type: application/calendar+xml; charset=utf-8' );
+      if ('xcal' == $this->format)
+        header('Content-Type: application/calendar+xml; charset=utf-8');
       else
-        header( 'Content-Type: text/calendar; charset=utf-8' );
-      header( 'Content-Length: '.$filesize );
-      header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
-      header( 'Cache-Control: max-age=10' );
-      $fp = @$fopen( $dirfile, 'r' );
-      if( $fp ) {
-        fpassthru( $fp );
-        fclose( $fp );
+        header('Content-Type: text/calendar; charset=utf-8');
+      header('Content-Length: '.$filesize);
+      header('Content-Disposition: attachment; filename="'.$filename.'"');
+      header('Cache-Control: max-age=10');
+      $fp = @$fopen($dirfile, 'r');
+      if ($fp) {
+        fpassthru($fp);
+        fclose($fp);
       }
       die();
     }
@@ -1691,8 +1691,8 @@ 
  * @since 2.4.19 - 2008-10-23
  */
   function calendarComponent() {
-    $this->objName         = ( isset( $this->timezonetype )) ?
-                          strtolower( $this->timezonetype )  :  get_class ( $this );
+    $this->objName         = (isset($this->timezonetype)) ?
+                          strtolower($this->timezonetype) : get_class($this);
     $this->uid             = array();
     $this->dtstamp         = array();
 
@@ -1718,11 +1718,11 @@ 
  * @return string
  */
   function createAction() {
-    if( empty( $this->action )) return FALSE;
-    if( empty( $this->action['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ACTION' ) : FALSE;
-    $attributes = $this->_createParams( $this->action['params'] );
-    return $this->_createElement( 'ACTION', $attributes, $this->action['value'] );
+    if (empty($this->action)) return FALSE;
+    if (empty($this->action['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('ACTION') : FALSE;
+    $attributes = $this->_createParams($this->action['params']);
+    return $this->_createElement('ACTION', $attributes, $this->action['value']);
   }
 /**
  * set calendar component property action
@@ -1733,9 +1733,9 @@ 
  * @param mixed $params
  * @return bool
  */
-  function setAction( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->action = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setAction($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->action = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -1750,14 +1750,14 @@ 
  * @return string
  */
   function createAttach() {
-    if( empty( $this->attach )) return FALSE;
-    $output       = null;
-    foreach( $this->attach as $attachPart ) {
-      if(! empty( $attachPart['value'] )) {
-        $attributes = $this->_createParams( $attachPart['params'] );
-        $output    .= $this->_createElement( 'ATTACH', $attributes, $attachPart['value'] );
+    if (empty($this->attach)) return FALSE;
+    $output = null;
+    foreach ($this->attach as $attachPart) {
+      if (!empty($attachPart['value'])) {
+        $attributes = $this->_createParams($attachPart['params']);
+        $output    .= $this->_createElement('ATTACH', $attributes, $attachPart['value']);
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'ATTACH' );
+      elseif ($this->getConfig('allowEmpty')) $output .= $this->_createElement('ATTACH');
     }
     return $output;
   }
@@ -1771,9 +1771,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setAttach( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->_setMval( $this->attach, $value, $params, FALSE, $index );
+  function setAttach($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->_setMval($this->attach, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -1788,26 +1788,26 @@ 
  * @return string
  */
   function createAttendee() {
-    if( empty( $this->attendee )) return FALSE;
+    if (empty($this->attendee)) return FALSE;
     $output = null;
-    foreach( $this->attendee as $attendeePart ) {                      // start foreach 1
-      if( empty( $attendeePart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' ))
-          $output .= $this->_createElement( 'ATTENDEE' );
+    foreach ($this->attendee as $attendeePart) {                      // start foreach 1
+      if (empty($attendeePart['value'])) {
+        if ($this->getConfig('allowEmpty'))
+          $output .= $this->_createElement('ATTENDEE');
         continue;
       }
       $attendee1 = $attendee2 = $attendeeLANG = $attendeeCN = null;
-      foreach( $attendeePart as $paramlabel => $paramvalue ) {         // start foreach 2
-        if( 'value' == $paramlabel )
-          $attendee2  .= 'MAILTO:'.$paramvalue;
-        elseif(( 'params' == $paramlabel ) && ( is_array( $paramvalue ))) { // start elseif
-          foreach( $paramvalue as $optparamlabel => $optparamvalue ) { // start foreach 3
+      foreach ($attendeePart as $paramlabel => $paramvalue) {         // start foreach 2
+        if ('value' == $paramlabel)
+          $attendee2 .= 'MAILTO:'.$paramvalue;
+        elseif (('params' == $paramlabel) && (is_array($paramvalue))) { // start elseif
+          foreach ($paramvalue as $optparamlabel => $optparamvalue) { // start foreach 3
             $attendee11 = $attendee12 = null;
-            if( is_int( $optparamlabel )) {
+            if (is_int($optparamlabel)) {
               $attendee1 .= $this->intAttrDelimiter.$optparamvalue;
               continue;
             }
-            switch( $optparamlabel ) {                                 // start switch
+            switch ($optparamlabel) {                                 // start switch
               case 'CUTYPE':
               case 'PARTSTAT':
               case 'ROLE':
@@ -1820,11 +1820,11 @@ 
               case 'MEMBER':
                 $attendee11 = $this->intAttrDelimiter.'MEMBER=';
               case 'DELEGATED-TO':
-                $attendee11 = ( !$attendee11 ) ? $this->intAttrDelimiter.'DELEGATED-TO='   : $attendee11;
+                $attendee11 = (!$attendee11) ? $this->intAttrDelimiter.'DELEGATED-TO=' : $attendee11;
               case 'DELEGATED-FROM':
-                $attendee11 = ( !$attendee11 ) ? $this->intAttrDelimiter.'DELEGATED-FROM=' : $attendee11;
-                foreach( $optparamvalue  as $cix => $calUserAddress ) {
-                  $attendee12 .= ( $cix ) ? ',' : null;
+                $attendee11 = (!$attendee11) ? $this->intAttrDelimiter.'DELEGATED-FROM=' : $attendee11;
+                foreach ($optparamvalue  as $cix => $calUserAddress) {
+                  $attendee12 .= ($cix) ? ',' : null;
                   $attendee12 .= '"MAILTO:'.$calUserAddress.'"';
                 }
                 $attendee1  .= $attendee11.$attendee12;
@@ -1845,7 +1845,7 @@ 
           }      // end foreach 3
         }        // end elseif
       }          // end foreach 2
-      $output .= $this->_createElement( 'ATTENDEE', $attendee1.$attendeeLANG.$attendeeCN, $attendee2 );
+      $output .= $this->_createElement('ATTENDEE', $attendee1.$attendeeLANG.$attendeeCN, $attendee2);
     }              // end foreach 1
     return $output;
   }
@@ -1859,63 +1859,63 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setAttendee( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $value = str_replace ( 'MAILTO:', '', $value );
-    $value = str_replace ( 'mailto:', '', $value );
+  function setAttendee($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $value = str_replace('MAILTO:', '', $value);
+    $value = str_replace('mailto:', '', $value);
     $params2 = array();
-    if( is_array($params )) {
+    if (is_array($params)) {
       $optarrays = array();
-      foreach( $params as $optparamlabel => $optparamvalue ) {
-        $optparamlabel = strtoupper( $optparamlabel );
-        switch( $optparamlabel ) {
+      foreach ($params as $optparamlabel => $optparamvalue) {
+        $optparamlabel = strtoupper($optparamlabel);
+        switch ($optparamlabel) {
           case 'MEMBER':
           case 'DELEGATED-TO':
           case 'DELEGATED-FROM':
-            if( is_array( $optparamvalue )) {
-              foreach( $optparamvalue as $part ) {
-                $part = str_replace( 'MAILTO:', '', $part );
-                $part = str_replace( 'mailto:', '', $part );
-                if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
-                  $part = substr( $part, 1, ( strlen($part)-2 ));
+            if (is_array($optparamvalue)) {
+              foreach ($optparamvalue as $part) {
+                $part = str_replace('MAILTO:', '', $part);
+                $part = str_replace('mailto:', '', $part);
+                if (('"' == $part{0} ) && ('"' == $part{strlen($part) - 1} ))
+                  $part = substr($part, 1, (strlen($part) - 2));
                 $optarrays[$optparamlabel][] = $part;
               }
             }
             else {
-              $part = str_replace( 'MAILTO:', '', $optparamvalue );
-              $part = str_replace( 'mailto:', '', $part );
-              if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
-                $part = substr( $part, 1, ( strlen($part)-2 ));
+              $part = str_replace('MAILTO:', '', $optparamvalue);
+              $part = str_replace('mailto:', '', $part);
+              if (('"' == $part{0} ) && ('"' == $part{strlen($part) - 1} ))
+                $part = substr($part, 1, (strlen($part) - 2));
               $optarrays[$optparamlabel][] = $part;
             }
             break;
           default:
-            if( 'SENT-BY' ==  $optparamlabel ) {
-              $optparamvalue = str_replace( 'MAILTO:', '', $optparamvalue );
-              $optparamvalue = str_replace( 'mailto:', '', $optparamvalue );
+            if ('SENT-BY' == $optparamlabel) {
+              $optparamvalue = str_replace('MAILTO:', '', $optparamvalue);
+              $optparamvalue = str_replace('mailto:', '', $optparamvalue);
             }
-            if(( '"' == substr( $optparamvalue, 0, 1 )) &&
-               ( '"' == substr( $optparamvalue, -1 )))
-              $optparamvalue = substr( $optparamvalue, 1, ( strlen( $optparamvalue ) - 2 ));
+            if (('"' == substr($optparamvalue, 0, 1)) &&
+               ('"' == substr($optparamvalue, -1)))
+              $optparamvalue = substr($optparamvalue, 1, (strlen($optparamvalue) - 2));
             $params2[$optparamlabel] = $optparamvalue;
             break;
         } // end switch( $optparamlabel.. .
       } // end foreach( $optparam.. .
-      foreach( $optarrays as $optparamlabel => $optparams )
+      foreach ($optarrays as $optparamlabel => $optparams)
         $params2[$optparamlabel] = $optparams;
     }
         // remove defaults
-    $this->_existRem( $params2, 'CUTYPE',   'INDIVIDUAL' );
-    $this->_existRem( $params2, 'PARTSTAT', 'NEEDS-ACTION' );
-    $this->_existRem( $params2, 'ROLE',     'REQ-PARTICIPANT' );
-    $this->_existRem( $params2, 'RSVP',     'FALSE' );
+    $this->_existRem($params2, 'CUTYPE', 'INDIVIDUAL');
+    $this->_existRem($params2, 'PARTSTAT', 'NEEDS-ACTION');
+    $this->_existRem($params2, 'ROLE', 'REQ-PARTICIPANT');
+    $this->_existRem($params2, 'RSVP', 'FALSE');
         // check language setting
-    if( isset( $params2['CN' ] )) {
-      $lang = $this->getConfig( 'language' );
-      if( !isset( $params2['LANGUAGE' ] ) && !empty( $lang ))
-        $params2['LANGUAGE' ] = $lang;
+    if (isset($params2['CN'])) {
+      $lang = $this->getConfig('language');
+      if (!isset($params2['LANGUAGE']) && !empty($lang))
+        $params2['LANGUAGE'] = $lang;
     }
-    $this->_setMval( $this->attendee, $value, $params2, FALSE, $index );
+    $this->_setMval($this->attendee, $value, $params2, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -1930,23 +1930,23 @@ 
  * @return string
  */
   function createCategories() {
-    if( empty( $this->categories )) return FALSE;
+    if (empty($this->categories)) return FALSE;
     $output = null;
-    foreach( $this->categories as $category ) {
-      if( empty( $category['value'] )) {
-        if ( $this->getConfig( 'allowEmpty' ))
-          $output .= $this->_createElement( 'CATEGORIES' );
+    foreach ($this->categories as $category) {
+      if (empty($category['value'])) {
+        if ($this->getConfig('allowEmpty'))
+          $output .= $this->_createElement('CATEGORIES');
         continue;
       }
-      $attributes = $this->_createParams( $category['params'], array( 'LANGUAGE' ));
-      if( is_array( $category['value'] )) {
-        foreach( $category['value'] as $cix => $categoryPart )
-          $category['value'][$cix] = $this->_strrep( $categoryPart );
-        $content  = implode( ',', $category['value'] );
+      $attributes = $this->_createParams($category['params'], array('LANGUAGE'));
+      if (is_array($category['value'])) {
+        foreach ($category['value'] as $cix => $categoryPart)
+          $category['value'][$cix] = $this->_strrep($categoryPart);
+        $content  = implode(',', $category['value']);
       }
       else
-        $content  = $this->_strrep( $category['value'] );
-      $output    .= $this->_createElement( 'CATEGORIES', $attributes, $content );
+        $content  = $this->_strrep($category['value']);
+      $output    .= $this->_createElement('CATEGORIES', $attributes, $content);
     }
     return $output;
   }
@@ -1960,9 +1960,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setCategories( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->_setMval( $this->categories, $value, $params, FALSE, $index );
+  function setCategories($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->_setMval($this->categories, $value, $params, FALSE, $index);
     return TRUE;
  }
 /*********************************************************************************/
@@ -1977,11 +1977,11 @@ 
  * @return string
  */
   function createClass() {
-    if( empty( $this->class )) return FALSE;
-    if( empty( $this->class['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'CLASS' ) : FALSE;
-    $attributes = $this->_createParams( $this->class['params'] );
-    return $this->_createElement( 'CLASS', $attributes, $this->class['value'] );
+    if (empty($this->class)) return FALSE;
+    if (empty($this->class['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('CLASS') : FALSE;
+    $attributes = $this->_createParams($this->class['params']);
+    return $this->_createElement('CLASS', $attributes, $this->class['value']);
   }
 /**
  * set calendar component property class
@@ -1992,9 +1992,9 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setClass( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->class = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setClass($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->class = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -2009,16 +2009,16 @@ 
  * @return string
  */
   function createComment() {
-    if( empty( $this->comment )) return FALSE;
+    if (empty($this->comment)) return FALSE;
     $output = null;
-    foreach( $this->comment as $commentPart ) {
-      if( empty( $commentPart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'COMMENT' );
+    foreach ($this->comment as $commentPart) {
+      if (empty($commentPart['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('COMMENT');
         continue;
       }
-      $attributes = $this->_createParams( $commentPart['params'], array( 'ALTREP', 'LANGUAGE' ));
-      $content    = $this->_strrep( $commentPart['value'] );
-      $output    .= $this->_createElement( 'COMMENT', $attributes, $content );
+      $attributes = $this->_createParams($commentPart['params'], array('ALTREP', 'LANGUAGE'));
+      $content    = $this->_strrep($commentPart['value']);
+      $output    .= $this->_createElement('COMMENT', $attributes, $content);
     }
     return $output;
   }
@@ -2032,9 +2032,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setComment( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->_setMval( $this->comment, $value, $params, FALSE, $index );
+  function setComment($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->_setMval($this->comment, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2049,19 +2049,19 @@ 
  * @return string
  */
   function createCompleted( ) {
-    if( empty( $this->completed )) return FALSE;
-    if( !isset( $this->completed['value']['year'] )  &&
-        !isset( $this->completed['value']['month'] ) &&
-        !isset( $this->completed['value']['day'] )   &&
-        !isset( $this->completed['value']['hour'] )  &&
-        !isset( $this->completed['value']['min'] )   &&
-        !isset( $this->completed['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
-        return $this->_createElement( 'COMPLETED' );
+    if (empty($this->completed)) return FALSE;
+    if (!isset($this->completed['value']['year']) &&
+        !isset($this->completed['value']['month']) &&
+        !isset($this->completed['value']['day']) &&
+        !isset($this->completed['value']['hour']) &&
+        !isset($this->completed['value']['min']) &&
+        !isset($this->completed['value']['sec']))
+      if ($this->getConfig('allowEmpty'))
+        return $this->_createElement('COMPLETED');
       else return FALSE;
-    $formatted  = $this->_format_date_time( $this->completed['value'], 7 );
-    $attributes = $this->_createParams( $this->completed['params'] );
-    return $this->_createElement( 'COMPLETED', $attributes, $formatted );
+    $formatted  = $this->_format_date_time($this->completed['value'], 7);
+    $attributes = $this->_createParams($this->completed['params']);
+    return $this->_createElement('COMPLETED', $attributes, $formatted);
   }
 /**
  * set calendar component property completed
@@ -2077,16 +2077,16 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setCompleted( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->completed = array( 'value' => null, 'params' => $this->_setParams( $params ));
+  function setCompleted($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $params = FALSE) {
+    if (empty($year)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->completed = array('value' => null, 'params' => $this->_setParams($params));
         return TRUE;
       }
       else
         return FALSE;
     }
-    $this->completed = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+    $this->completed = $this->_setDate2($year, $month, $day, $hour, $min, $sec, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2101,15 +2101,15 @@ 
  * @return string
  */
   function createContact() {
-    if( empty( $this->contact )) return FALSE;
+    if (empty($this->contact)) return FALSE;
     $output = null;
-    foreach( $this->contact as $contact ) {
-      if( !empty( $contact['value'] )) {
-        $attributes = $this->_createParams( $contact['params'], array( 'ALTREP', 'LANGUAGE' ));
-        $content    = $this->_strrep( $contact['value'] );
-        $output    .= $this->_createElement( 'CONTACT', $attributes, $content );
+    foreach ($this->contact as $contact) {
+      if (!empty($contact['value'])) {
+        $attributes = $this->_createParams($contact['params'], array('ALTREP', 'LANGUAGE'));
+        $content    = $this->_strrep($contact['value']);
+        $output    .= $this->_createElement('CONTACT', $attributes, $content);
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'CONTACT' );
+      elseif ($this->getConfig('allowEmpty')) $output .= $this->_createElement('CONTACT');
     }
     return $output;
   }
@@ -2123,9 +2123,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setContact( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->_setMval( $this->contact, $value, $params, FALSE, $index );
+  function setContact($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->_setMval($this->contact, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2140,10 +2140,10 @@ 
  * @return string
  */
   function createCreated() {
-    if( empty( $this->created )) return FALSE;
-    $formatted  = $this->_format_date_time( $this->created['value'], 7 );
-    $attributes = $this->_createParams( $this->created['params'] );
-    return $this->_createElement( 'CREATED', $attributes, $formatted );
+    if (empty($this->created)) return FALSE;
+    $formatted  = $this->_format_date_time($this->created['value'], 7);
+    $attributes = $this->_createParams($this->created['params']);
+    return $this->_createElement('CREATED', $attributes, $formatted);
   }
 /**
  * set calendar component property created
@@ -2159,11 +2159,11 @@ 
  * @param mixed $params optional
  * @return bool
  */
-  function setCreated( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( !isset( $year )) {
-      $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
+  function setCreated($year = FALSE, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $params = FALSE) {
+    if (!isset($year)) {
+      $year = date('Ymd\THis', mktime(date('H'), date('i'), date('s') - date('Z'), date('m'), date('d'), date('Y')));
     }
-    $this->created = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+    $this->created = $this->_setDate2($year, $month, $day, $hour, $min, $sec, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2178,15 +2178,15 @@ 
  * @return string
  */
   function createDescription() {
-    if( empty( $this->description )) return FALSE;
-    $output       = null;
-    foreach( $this->description as $description ) {
-      if( !empty( $description['value'] )) {
-        $attributes = $this->_createParams( $description['params'], array( 'ALTREP', 'LANGUAGE' ));
-        $content    = $this->_strrep( $description['value'] );
-        $output    .= $this->_createElement( 'DESCRIPTION', $attributes, $content );
+    if (empty($this->description)) return FALSE;
+    $output = null;
+    foreach ($this->description as $description) {
+      if (!empty($description['value'])) {
+        $attributes = $this->_createParams($description['params'], array('ALTREP', 'LANGUAGE'));
+        $content    = $this->_strrep($description['value']);
+        $output    .= $this->_createElement('DESCRIPTION', $attributes, $content);
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'DESCRIPTION' );
+      elseif ($this->getConfig('allowEmpty')) $output .= $this->_createElement('DESCRIPTION');
     }
     return $output;
   }
@@ -2200,9 +2200,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setDescription( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) { if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; }
-    $this->_setMval( $this->description, $value, $params, FALSE, $index );
+  function setDescription($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) { if ($this->getConfig('allowEmpty')) $value = null; else return FALSE; }
+    $this->_setMval($this->description, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2217,19 +2217,19 @@ 
  * @return string
  */
   function createDtend() {
-    if( empty( $this->dtend )) return FALSE;
-    if( !isset( $this->dtend['value']['year'] )  &&
-        !isset( $this->dtend['value']['month'] ) &&
-        !isset( $this->dtend['value']['day'] )   &&
-        !isset( $this->dtend['value']['hour'] )  &&
-        !isset( $this->dtend['value']['min'] )   &&
-        !isset( $this->dtend['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
-        return $this->_createElement( 'DTEND' );
+    if (empty($this->dtend)) return FALSE;
+    if (!isset($this->dtend['value']['year']) &&
+        !isset($this->dtend['value']['month']) &&
+        !isset($this->dtend['value']['day']) &&
+        !isset($this->dtend['value']['hour']) &&
+        !isset($this->dtend['value']['min']) &&
+        !isset($this->dtend['value']['sec']))
+      if ($this->getConfig('allowEmpty'))
+        return $this->_createElement('DTEND');
       else return FALSE;
-    $formatted  = $this->_format_date_time( $this->dtend['value'] );
-    $attributes = $this->_createParams( $this->dtend['params'] );
-    return $this->_createElement( 'DTEND', $attributes, $formatted );
+    $formatted  = $this->_format_date_time($this->dtend['value']);
+    $attributes = $this->_createParams($this->dtend['params']);
+    return $this->_createElement('DTEND', $attributes, $formatted);
   }
 /**
  * set calendar component property dtend
@@ -2246,16 +2246,16 @@ 
  * @param array params optional
  * @return bool
  */
-  function setDtend( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
-    if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->dtend = array( 'value' => null, 'params' => $this->_setParams( $params ));
+  function setDtend($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $params = FALSE) {
+    if (empty($year)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->dtend = array('value' => null, 'params' => $this->_setParams($params));
         return TRUE;
       }
       else
         return FALSE;
     }
-    $this->dtend = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
+    $this->dtend = $this->_setDate($year, $month, $day, $hour, $min, $sec, $tz, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2270,16 +2270,16 @@ 
  * @return string
  */
   function createDtstamp() {
-    if( !isset( $this->dtstamp['value']['year'] )  &&
-        !isset( $this->dtstamp['value']['month'] ) &&
-        !isset( $this->dtstamp['value']['day'] )   &&
-        !isset( $this->dtstamp['value']['hour'] )  &&
-        !isset( $this->dtstamp['value']['min'] )   &&
-        !isset( $this->dtstamp['value']['sec'] ))
+    if (!isset($this->dtstamp['value']['year']) &&
+        !isset($this->dtstamp['value']['month']) &&
+        !isset($this->dtstamp['value']['day']) &&
+        !isset($this->dtstamp['value']['hour']) &&
+        !isset($this->dtstamp['value']['min']) &&
+        !isset($this->dtstamp['value']['sec']))
       $this->_makeDtstamp();
-    $formatted  = $this->_format_date_time( $this->dtstamp['value'], 7 );
-    $attributes = $this->_createParams( $this->dtstamp['params'] );
-    return $this->_createElement( 'DTSTAMP', $attributes, $formatted );
+    $formatted  = $this->_format_date_time($this->dtstamp['value'], 7);
+    $attributes = $this->_createParams($this->dtstamp['params']);
+    return $this->_createElement('DTSTAMP', $attributes, $formatted);
   }
 /**
  * computes datestamp for calendar component object instance dtstamp
@@ -2289,12 +2289,12 @@ 
  * @return void
  */
   function _makeDtstamp() {
-    $this->dtstamp['value'] = array( 'year'  => date( 'Y' )
-                                   , 'month' => date( 'm' )
-                                   , 'day'   => date( 'd' )
-                                   , 'hour'  => date( 'H' )
-                                   , 'min'   => date( 'i' )
-                                   , 'sec'   => date( 's' ) - date( 'Z' ));
+    $this->dtstamp['value'] = array('year'  => date('Y')
+                                   , 'month' => date('m')
+                                   , 'day'   => date('d')
+                                   , 'hour'  => date('H')
+                                   , 'min'   => date('i')
+                                   , 'sec'   => date('s') - date('Z'));
     $this->dtstamp['params'] = null;
   }
 /**
@@ -2311,11 +2311,11 @@ 
  * @param array $params optional
  * @return TRUE
  */
-  function setDtstamp( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $year ))
+  function setDtstamp($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $params = FALSE) {
+    if (empty($year))
       $this->_makeDtstamp();
     else
-      $this->dtstamp = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+      $this->dtstamp = $this->_setDate2($year, $month, $day, $hour, $min, $sec, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2330,21 +2330,21 @@ 
  * @return string
  */
   function createDtstart() {
-    if( empty( $this->dtstart )) return FALSE;
-    if( !isset( $this->dtstart['value']['year'] )  &&
-        !isset( $this->dtstart['value']['month'] ) &&
-        !isset( $this->dtstart['value']['day'] )   &&
-        !isset( $this->dtstart['value']['hour'] )  &&
-        !isset( $this->dtstart['value']['min'] )   &&
-        !isset( $this->dtstart['value']['sec'] ))
-    if( $this->getConfig( 'allowEmpty' ))
-      return $this->_createElement( 'DTSTART' );
+    if (empty($this->dtstart)) return FALSE;
+    if (!isset($this->dtstart['value']['year']) &&
+        !isset($this->dtstart['value']['month']) &&
+        !isset($this->dtstart['value']['day']) &&
+        !isset($this->dtstart['value']['hour']) &&
+        !isset($this->dtstart['value']['min']) &&
+        !isset($this->dtstart['value']['sec']))
+    if ($this->getConfig('allowEmpty'))
+      return $this->_createElement('DTSTART');
     else return FALSE;
-    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' )))
-      unset( $this->dtstart['value']['tz'], $this->dtstart['params']['TZID'] );
-    $formatted  = $this->_format_date_time( $this->dtstart['value'] );
-    $attributes = $this->_createParams( $this->dtstart['params'] );
-    return $this->_createElement( 'DTSTART', $attributes, $formatted );
+    if (in_array($this->objName, array('vtimezone', 'standard', 'daylight')))
+      unset($this->dtstart['value']['tz'], $this->dtstart['params']['TZID']);
+    $formatted  = $this->_format_date_time($this->dtstart['value']);
+    $attributes = $this->_createParams($this->dtstart['params']);
+    return $this->_createElement('DTSTART', $attributes, $formatted);
   }
 /**
  * set calendar component property dtstart
@@ -2361,16 +2361,16 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setDtstart( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
-    if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->dtstart = array( 'value' => null, 'params' => $this->_setParams( $params ));
+  function setDtstart($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $params = FALSE) {
+    if (empty($year)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->dtstart = array('value' => null, 'params' => $this->_setParams($params));
         return TRUE;
       }
       else
         return FALSE;
     }
-    $this->dtstart = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, 'dtstart' );
+    $this->dtstart = $this->_setDate($year, $month, $day, $hour, $min, $sec, $tz, $params, 'dtstart');
     return TRUE;
   }
 /*********************************************************************************/
@@ -2385,19 +2385,19 @@ 
  * @return string
  */
   function createDue() {
-    if( empty( $this->due )) return FALSE;
-    if( !isset( $this->due['value']['year'] )  &&
-        !isset( $this->due['value']['month'] ) &&
-        !isset( $this->due['value']['day'] )   &&
-        !isset( $this->due['value']['hour'] )  &&
-        !isset( $this->due['value']['min'] )   &&
-        !isset( $this->due['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
-        return $this->_createElement( 'DUE' );
+    if (empty($this->due)) return FALSE;
+    if (!isset($this->due['value']['year']) &&
+        !isset($this->due['value']['month']) &&
+        !isset($this->due['value']['day']) &&
+        !isset($this->due['value']['hour']) &&
+        !isset($this->due['value']['min']) &&
+        !isset($this->due['value']['sec']))
+      if ($this->getConfig('allowEmpty'))
+        return $this->_createElement('DUE');
       else return FALSE;
-    $formatted  = $this->_format_date_time( $this->due['value'] );
-    $attributes = $this->_createParams( $this->due['params'] );
-    return $this->_createElement( 'DUE', $attributes, $formatted );
+    $formatted  = $this->_format_date_time($this->due['value']);
+    $attributes = $this->_createParams($this->due['params']);
+    return $this->_createElement('DUE', $attributes, $formatted);
   }
 /**
  * set calendar component property due
@@ -2413,16 +2413,16 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setDue( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
-    if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->due = array( 'value' => null, 'params' => $this->_setParams( $params ));
+  function setDue($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $params = FALSE) {
+    if (empty($year)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->due = array('value' => null, 'params' => $this->_setParams($params));
         return TRUE;
       }
       else
         return FALSE;
     }
-    $this->due = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
+    $this->due = $this->_setDate($year, $month, $day, $hour, $min, $sec, $tz, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2437,17 +2437,17 @@ 
  * @return string
  */
   function createDuration() {
-    if( empty( $this->duration )) return FALSE;
-    if( !isset( $this->duration['value']['week'] ) &&
-        !isset( $this->duration['value']['day'] )  &&
-        !isset( $this->duration['value']['hour'] ) &&
-        !isset( $this->duration['value']['min'] )  &&
-        !isset( $this->duration['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
-        return $this->_createElement( 'DURATION', array(), null );
+    if (empty($this->duration)) return FALSE;
+    if (!isset($this->duration['value']['week']) &&
+        !isset($this->duration['value']['day']) &&
+        !isset($this->duration['value']['hour']) &&
+        !isset($this->duration['value']['min']) &&
+        !isset($this->duration['value']['sec']))
+      if ($this->getConfig('allowEmpty'))
+        return $this->_createElement('DURATION', array(), null);
       else return FALSE;
-    $attributes = $this->_createParams( $this->duration['params'] );
-    return $this->_createElement( 'DURATION', $attributes, $this->_format_duration( $this->duration['value'] ));
+    $attributes = $this->_createParams($this->duration['params']);
+    return $this->_createElement('DURATION', $attributes, $this->_format_duration($this->duration['value']));
   }
 /**
  * set calendar component property duration
@@ -2462,20 +2462,20 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setDuration( $week, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $week )) if( $this->getConfig( 'allowEmpty' )) $week = null; else return FALSE;
-    if( is_array( $week ) && ( 1 <= count( $week )))
-      $this->duration = array( 'value' => $this->_duration_array( $week ), 'params' => $this->_setParams( $day ));
-    elseif( is_string( $week ) && ( 3 <= strlen( trim( $week )))) {
-      $week = trim( $week );
-      if( in_array( substr( $week, 0, 1 ), array( '+', '-' )))
-        $week = substr( $week, 1 );
-      $this->duration = array( 'value' => $this->_duration_string( $week ), 'params' => $this->_setParams( $day ));
-    }
-    elseif( empty( $week ) && empty( $day ) && empty( $hour ) && empty( $min ) && empty( $sec ))
+  function setDuration($week, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $params = FALSE) {
+    if (empty($week)) if ($this->getConfig('allowEmpty')) $week = null; else return FALSE;
+    if (is_array($week) && (1 <= count($week)))
+      $this->duration = array('value' => $this->_duration_array($week), 'params' => $this->_setParams($day));
+    elseif (is_string($week) && (3 <= strlen(trim($week)))) {
+      $week = trim($week);
+      if (in_array(substr($week, 0, 1), array('+', '-')))
+        $week = substr($week, 1);
+      $this->duration = array('value' => $this->_duration_string($week), 'params' => $this->_setParams($day));
+    }
+    elseif (empty($week) && empty($day) && empty($hour) && empty($min) && empty($sec))
       return FALSE;
     else
-      $this->duration = array( 'value' => $this->_duration_array( array( $week, $day, $hour, $min, $sec )), 'params' => $this->_setParams( $params ));
+      $this->duration = array('value' => $this->_duration_array(array($week, $day, $hour, $min, $sec)), 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -2490,36 +2490,36 @@ 
  * @return string
  */
   function createExdate() {
-    if( empty( $this->exdate )) return FALSE;
+    if (empty($this->exdate)) return FALSE;
     $output = null;
-    foreach( $this->exdate as $ex => $theExdate ) {
-      if( empty( $theExdate['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'EXDATE' );
+    foreach ($this->exdate as $ex => $theExdate) {
+      if (empty($theExdate['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('EXDATE');
         continue;
       }
       $content = $attributes = null;
-      foreach( $theExdate['value'] as $eix => $exdatePart ) {
-        $parno = count( $exdatePart );
-        $formatted = $this->_format_date_time( $exdatePart, $parno );
-        if( isset( $theExdate['params']['TZID'] ))
-          $formatted = str_replace( 'Z', '', $formatted);
-        if( 0 < $eix ) {
-          if( isset( $theExdate['value'][0]['tz'] )) {
-            if( ctype_digit( substr( $theExdate['value'][0]['tz'], -4 )) ||
-               ( 'Z' == $theExdate['value'][0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 ))
+      foreach ($theExdate['value'] as $eix => $exdatePart) {
+        $parno = count($exdatePart);
+        $formatted = $this->_format_date_time($exdatePart, $parno);
+        if (isset($theExdate['params']['TZID']))
+          $formatted = str_replace('Z', '', $formatted);
+        if (0 < $eix) {
+          if (isset($theExdate['value'][0]['tz'])) {
+            if (ctype_digit(substr($theExdate['value'][0]['tz'], -4)) ||
+               ('Z' == $theExdate['value'][0]['tz'])) {
+              if ('Z' != substr($formatted, -1))
                 $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
+              $formatted = str_replace('Z', '', $formatted);
           }
           else
-            $formatted = str_replace( 'Z', '', $formatted );
+            $formatted = str_replace('Z', '', $formatted);
         }
-        $content .= ( 0 < $eix ) ? ','.$formatted : $formatted;
+        $content .= (0 < $eix) ? ','.$formatted : $formatted;
       }
-      $attributes .= $this->_createParams( $theExdate['params'] );
-      $output .= $this->_createElement( 'EXDATE', $attributes, $content );
+      $attributes .= $this->_createParams($theExdate['params']);
+      $output .= $this->_createElement('EXDATE', $attributes, $content);
     }
     return $output;
   }
@@ -2533,44 +2533,44 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setExdate( $exdates, $params=FALSE, $index=FALSE ) {
-    if( empty( $exdates )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->_setMval( $this->exdate, null, $params, FALSE, $index );
+  function setExdate($exdates, $params = FALSE, $index = FALSE) {
+    if (empty($exdates)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->_setMval($this->exdate, null, $params, FALSE, $index);
         return TRUE;
       }
       else
         return FALSE;
     }
-    $input  = array( 'params' => $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' )));
+    $input = array('params' => $this->_setParams($params, array('VALUE' => 'DATE-TIME')));
             /* ev. check 1:st date and save ev. timezone **/
-    $this->_chkdatecfg( reset( $exdates ), $parno, $input['params'] );
-    $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default parameter
-    foreach( $exdates as $eix => $theExdate ) {
-      if( $this->_isArrayTimestampDate( $theExdate ))
-        $exdatea = $this->_timestamp2date( $theExdate, $parno );
-      elseif(  is_array( $theExdate ))
-        $exdatea = $this->_date_time_array( $theExdate, $parno );
-      elseif( 8 <= strlen( trim( $theExdate ))) // ex. 2006-08-03 10:12:18
-        $exdatea = $this->_date_time_string( $theExdate, $parno );
-      if( 3 == $parno )
-        unset( $exdatea['hour'], $exdatea['min'], $exdatea['sec'], $exdatea['tz'] );
-      elseif( isset( $exdatea['tz'] ))
+    $this->_chkdatecfg(reset($exdates), $parno, $input['params']);
+    $this->_existRem($input['params'], 'VALUE', 'DATE-TIME'); // remove default parameter
+    foreach ($exdates as $eix => $theExdate) {
+      if ($this->_isArrayTimestampDate($theExdate))
+        $exdatea = $this->_timestamp2date($theExdate, $parno);
+      elseif (is_array($theExdate))
+        $exdatea = $this->_date_time_array($theExdate, $parno);
+      elseif (8 <= strlen(trim($theExdate))) // ex. 2006-08-03 10:12:18
+        $exdatea = $this->_date_time_string($theExdate, $parno);
+      if (3 == $parno)
+        unset($exdatea['hour'], $exdatea['min'], $exdatea['sec'], $exdatea['tz']);
+      elseif (isset($exdatea['tz']))
         $exdatea['tz'] = (string) $exdatea['tz'];
-      if(  isset( $input['params']['TZID'] ) ||
-         ( isset( $exdatea['tz'] ) && !$this->_isOffset( $exdatea['tz'] )) ||
-         ( isset( $input['value'][0] ) && ( !isset( $input['value'][0]['tz'] ))) ||
-         ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] )))
-        unset( $exdatea['tz'] );
+      if (isset($input['params']['TZID']) ||
+         (isset($exdatea['tz']) && !$this->_isOffset($exdatea['tz'])) ||
+         (isset($input['value'][0]) && (!isset($input['value'][0]['tz']))) ||
+         (isset($input['value'][0]['tz']) && !$this->_isOffset($input['value'][0]['tz'])))
+        unset($exdatea['tz']);
       $input['value'][] = $exdatea;
     }
-    if( 0 >= count( $input['value'] ))
+    if (0 >= count($input['value']))
       return FALSE;
-    if( 3 == $parno ) {
+    if (3 == $parno) {
       $input['params']['VALUE'] = 'DATE';
-      unset( $input['params']['TZID'] );
+      unset($input['params']['TZID']);
     }
-    $this->_setMval( $this->exdate, $input['value'], $input['params'], FALSE, $index );
+    $this->_setMval($this->exdate, $input['value'], $input['params'], FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2585,8 +2585,8 @@ 
  * @return string
  */
   function createExrule() {
-    if( empty( $this->exrule )) return FALSE;
-    return $this->_format_recur( 'EXRULE', $this->exrule );
+    if (empty($this->exrule)) return FALSE;
+    return $this->_format_recur('EXRULE', $this->exrule);
   }
 /**
  * set calendar component property exdate
@@ -2598,9 +2598,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setExrule( $exruleset, $params=FALSE, $index=FALSE ) {
-    if( empty( $exruleset )) if( $this->getConfig( 'allowEmpty' )) $exruleset = null; else return FALSE;
-    $this->_setMval( $this->exrule, $this->_setRexrule( $exruleset ), $params, FALSE, $index );
+  function setExrule($exruleset, $params = FALSE, $index = FALSE) {
+    if (empty($exruleset)) if ($this->getConfig('allowEmpty')) $exruleset = null; else return FALSE;
+    $this->_setMval($this->exrule, $this->_setRexrule($exruleset), $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2615,47 +2615,47 @@ 
  * @return string
  */
   function createFreebusy() {
-    if( empty( $this->freebusy )) return FALSE;
+    if (empty($this->freebusy)) return FALSE;
     $output = null;
-    foreach( $this->freebusy as $freebusyPart ) {
-      if( empty( $freebusyPart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'FREEBUSY' );
+    foreach ($this->freebusy as $freebusyPart) {
+      if (empty($freebusyPart['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('FREEBUSY');
         continue;
       }
       $attributes = $content = null;
-      if( isset( $freebusyPart['value']['fbtype'] )) {
+      if (isset($freebusyPart['value']['fbtype'])) {
         $attributes .= $this->intAttrDelimiter.'FBTYPE='.$freebusyPart['value']['fbtype'];
-        unset( $freebusyPart['value']['fbtype'] );
-        $freebusyPart['value'] = array_values( $freebusyPart['value'] );
+        unset($freebusyPart['value']['fbtype']);
+        $freebusyPart['value'] = array_values($freebusyPart['value']);
       }
       else
         $attributes .= $this->intAttrDelimiter.'FBTYPE=BUSY';
-      $attributes .= $this->_createParams( $freebusyPart['params'] );
+      $attributes .= $this->_createParams($freebusyPart['params']);
       $fno = 1;
-      $cnt = count( $freebusyPart['value']);
-      foreach( $freebusyPart['value'] as $periodix => $freebusyPeriod ) {
-        $formatted   = $this->_format_date_time( $freebusyPeriod[0] );
+      $cnt = count($freebusyPart['value']);
+      foreach ($freebusyPart['value'] as $periodix => $freebusyPeriod) {
+        $formatted = $this->_format_date_time($freebusyPeriod[0]);
         $content .= $formatted;
         $content .= '/';
-        $cnt2 = count( $freebusyPeriod[1]);
-        if( array_key_exists( 'year', $freebusyPeriod[1] ))      // date-time
+        $cnt2 = count($freebusyPeriod[1]);
+        if (array_key_exists('year', $freebusyPeriod[1]))      // date-time
           $cnt2 = 7;
-        elseif( array_key_exists( 'week', $freebusyPeriod[1] ))  // duration
+        elseif (array_key_exists('week', $freebusyPeriod[1]))  // duration
           $cnt2 = 5;
-        if(( 7 == $cnt2 )   &&    // period=  -> date-time
-            isset( $freebusyPeriod[1]['year'] )  &&
-            isset( $freebusyPeriod[1]['month'] ) &&
-            isset( $freebusyPeriod[1]['day'] )) {
-          $content .= $this->_format_date_time( $freebusyPeriod[1] );
+        if ((7 == $cnt2) && // period=  -> date-time
+            isset($freebusyPeriod[1]['year']) &&
+            isset($freebusyPeriod[1]['month']) &&
+            isset($freebusyPeriod[1]['day'])) {
+          $content .= $this->_format_date_time($freebusyPeriod[1]);
         }
         else {                                  // period=  -> dur-time
-          $content .= $this->_format_duration( $freebusyPeriod[1] );
+          $content .= $this->_format_duration($freebusyPeriod[1]);
         }
-        if( $fno < $cnt )
+        if ($fno < $cnt)
           $content .= ',';
         $fno++;
       }
-      $output .= $this->_createElement( 'FREEBUSY', $attributes, $content );
+      $output .= $this->_createElement('FREEBUSY', $attributes, $content);
     }
     return $output;
   }
@@ -2670,52 +2670,52 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setFreebusy( $fbType, $fbValues, $params=FALSE, $index=FALSE ) {
-    if( empty( $fbValues )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->_setMval( $this->freebusy, null, $params, FALSE, $index );
+  function setFreebusy($fbType, $fbValues, $params = FALSE, $index = FALSE) {
+    if (empty($fbValues)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->_setMval($this->freebusy, null, $params, FALSE, $index);
         return TRUE;
       }
       else
         return FALSE;
     }
-    $fbType = strtoupper( $fbType );
-    if(( !in_array( $fbType, array( 'FREE', 'BUSY', 'BUSY-UNAVAILABLE', 'BUSY-TENTATIVE' ))) &&
-       ( 'X-' != substr( $fbType, 0, 2 )))
+    $fbType = strtoupper($fbType);
+    if ((!in_array($fbType, array('FREE', 'BUSY', 'BUSY-UNAVAILABLE', 'BUSY-TENTATIVE'))) &&
+       ('X-' != substr($fbType, 0, 2)))
       $fbType = 'BUSY';
-    $input = array( 'fbtype' => $fbType );
-    foreach( $fbValues as $fbPeriod ) {   // periods => period
+    $input = array('fbtype' => $fbType);
+    foreach ($fbValues as $fbPeriod) {   // periods => period
       $freebusyPeriod = array();
-      foreach( $fbPeriod as $fbMember ) { // pairs => singlepart
+      foreach ($fbPeriod as $fbMember) { // pairs => singlepart
         $freebusyPairMember = array();
-        if( is_array( $fbMember )) {
-          if( $this->_isArrayDate( $fbMember )) { // date-time value
-            $freebusyPairMember       = $this->_date_time_array( $fbMember, 7 );
+        if (is_array($fbMember)) {
+          if ($this->_isArrayDate($fbMember)) { // date-time value
+            $freebusyPairMember       = $this->_date_time_array($fbMember, 7);
             $freebusyPairMember['tz'] = 'Z';
           }
-          elseif( $this->_isArrayTimestampDate( $fbMember )) { // timestamp value
-            $freebusyPairMember       = $this->_timestamp2date( $fbMember['timestamp'], 7 );
+          elseif ($this->_isArrayTimestampDate($fbMember)) { // timestamp value
+            $freebusyPairMember       = $this->_timestamp2date($fbMember['timestamp'], 7);
             $freebusyPairMember['tz'] = 'Z';
           }
           else {                                         // array format duration
-            $freebusyPairMember = $this->_duration_array( $fbMember );
+            $freebusyPairMember = $this->_duration_array($fbMember);
           }
         }
-        elseif(( 3 <= strlen( trim( $fbMember ))) &&    // string format duration
-               ( in_array( $fbMember{0}, array( 'P', '+', '-' )))) {
-          if( 'P' != $fbMember{0} )
-            $fbmember = substr( $fbMember, 1 );
-          $freebusyPairMember = $this->_duration_string( $fbMember );
+        elseif ((3 <= strlen(trim($fbMember))) && // string format duration
+               (in_array($fbMember{0}, array('P', '+', '-')))) {
+          if ('P' != $fbMember{0} )
+            $fbmember = substr($fbMember, 1);
+          $freebusyPairMember = $this->_duration_string($fbMember);
         }
-        elseif( 8 <= strlen( trim( $fbMember ))) { // text date ex. 2006-08-03 10:12:18
-          $freebusyPairMember       = $this->_date_time_string( $fbMember, 7 );
+        elseif (8 <= strlen(trim($fbMember))) { // text date ex. 2006-08-03 10:12:18
+          $freebusyPairMember       = $this->_date_time_string($fbMember, 7);
           $freebusyPairMember['tz'] = 'Z';
         }
         $freebusyPeriod[]   = $freebusyPairMember;
       }
       $input[]              = $freebusyPeriod;
     }
-    $this->_setMval( $this->freebusy, $input, $params, FALSE, $index );
+    $this->_setMval($this->freebusy, $input, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2730,15 +2730,15 @@ 
  * @return string
  */
   function createGeo() {
-    if( empty( $this->geo )) return FALSE;
-    if( empty( $this->geo['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'GEO' ) : FALSE;
-    $attributes = $this->_createParams( $this->geo['params'] );
+    if (empty($this->geo)) return FALSE;
+    if (empty($this->geo['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('GEO') : FALSE;
+    $attributes = $this->_createParams($this->geo['params']);
     $content    = null;
-    $content   .= number_format( (float) $this->geo['value']['latitude'], 6, '.', '');
+    $content   .= number_format((float) $this->geo['value']['latitude'], 6, '.', '');
     $content   .= ';';
-    $content   .= number_format( (float) $this->geo['value']['longitude'], 6, '.', '');
-    return $this->_createElement( 'GEO', $attributes, $content );
+    $content   .= number_format((float) $this->geo['value']['longitude'], 6, '.', '');
+    return $this->_createElement('GEO', $attributes, $content);
   }
 /**
  * set calendar component property geo
@@ -2750,15 +2750,15 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setGeo( $latitude, $longitude, $params=FALSE ) {
-    if( !empty( $latitude ) && !empty( $longitude )) {
-      if( !is_array( $this->geo )) $this->geo = array();
+  function setGeo($latitude, $longitude, $params = FALSE) {
+    if (!empty($latitude) && !empty($longitude)) {
+      if (!is_array($this->geo)) $this->geo = array();
       $this->geo['value']['latitude']  = $latitude;
       $this->geo['value']['longitude'] = $longitude;
-      $this->geo['params'] = $this->_setParams( $params );
+      $this->geo['params'] = $this->_setParams($params);
     }
-    elseif( $this->getConfig( 'allowEmpty' ))
-      $this->geo = array( 'value' => null, 'params' => $this->_setParams( $params ) );
+    elseif ($this->getConfig('allowEmpty'))
+      $this->geo = array('value' => null, 'params' => $this->_setParams($params));
     else
       return FALSE;
     return TRUE;
@@ -2775,10 +2775,10 @@ 
  * @return string
  */
   function createLastModified() {
-    if( empty( $this->lastmodified )) return FALSE;
-    $attributes = $this->_createParams( $this->lastmodified['params'] );
-    $formatted  = $this->_format_date_time( $this->lastmodified['value'], 7 );
-    return $this->_createElement( 'LAST-MODIFIED', $attributes, $formatted );
+    if (empty($this->lastmodified)) return FALSE;
+    $attributes = $this->_createParams($this->lastmodified['params']);
+    $formatted  = $this->_format_date_time($this->lastmodified['value'], 7);
+    return $this->_createElement('LAST-MODIFIED', $attributes, $formatted);
   }
 /**
  * set calendar component property completed
@@ -2794,10 +2794,10 @@ 
  * @param array $params optional
  * @return boll
  */
-  function setLastModified( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $year ))
-      $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
-    $this->lastmodified = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+  function setLastModified($year = FALSE, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $params = FALSE) {
+    if (empty($year))
+      $year = date('Ymd\THis', mktime(date('H'), date('i'), date('s') - date('Z'), date('m'), date('d'), date('Y')));
+    $this->lastmodified = $this->_setDate2($year, $month, $day, $hour, $min, $sec, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -2812,12 +2812,12 @@ 
  * @return string
  */
   function createLocation() {
-    if( empty( $this->location )) return FALSE;
-    if( empty( $this->location['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'LOCATION' ) : FALSE;
-    $attributes = $this->_createParams( $this->location['params'], array( 'ALTREP', 'LANGUAGE' ));
-    $content    = $this->_strrep( $this->location['value'] );
-    return $this->_createElement( 'LOCATION', $attributes, $content );
+    if (empty($this->location)) return FALSE;
+    if (empty($this->location['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('LOCATION') : FALSE;
+    $attributes = $this->_createParams($this->location['params'], array('ALTREP', 'LANGUAGE'));
+    $content    = $this->_strrep($this->location['value']);
+    return $this->_createElement('LOCATION', $attributes, $content);
   }
 /**
  * set calendar component property location
@@ -2828,9 +2828,9 @@ 
  * @param array params optional
  * @return bool
  */
-  function setLocation( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->location = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setLocation($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->location = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -2845,13 +2845,13 @@ 
  * @return string
  */
   function createOrganizer() {
-    if( empty( $this->organizer )) return FALSE;
-    if( empty( $this->organizer['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ORGANIZER' ) : FALSE;
-    $attributes = $this->_createParams( $this->organizer['params']
-                                      , array( 'CN', 'DIR', 'LANGUAGE', 'SENT-BY' ));
+    if (empty($this->organizer)) return FALSE;
+    if (empty($this->organizer['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('ORGANIZER') : FALSE;
+    $attributes = $this->_createParams($this->organizer['params']
+                                      , array('CN', 'DIR', 'LANGUAGE', 'SENT-BY'));
     $content    = 'MAILTO:'.$this->organizer['value'];
-    return $this->_createElement( 'ORGANIZER', $attributes, $content );
+    return $this->_createElement('ORGANIZER', $attributes, $content);
   }
 /**
  * set calendar component property organizer
@@ -2862,14 +2862,14 @@ 
  * @param array params optional
  * @return bool
  */
-  function setOrganizer( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $value = str_replace ( 'MAILTO:', '', $value );
-    $value = str_replace ( 'mailto:', '', $value );
-    $this->organizer = array( 'value' => $value, 'params' => $this->_setParams( $params ));
-    if( isset( $this->organizer['params']['SENT-BY'] )) {
-      if( 'MAILTO' == strtoupper( substr( $this->organizer['params']['SENT-BY'], 0, 6 )))
-        $this->organizer['params']['SENT-BY'] = substr( $this->organizer['params']['SENT-BY'], 7 );
+  function setOrganizer($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $value = str_replace('MAILTO:', '', $value);
+    $value = str_replace('mailto:', '', $value);
+    $this->organizer = array('value' => $value, 'params' => $this->_setParams($params));
+    if (isset($this->organizer['params']['SENT-BY'])) {
+      if ('MAILTO' == strtoupper(substr($this->organizer['params']['SENT-BY'], 0, 6)))
+        $this->organizer['params']['SENT-BY'] = substr($this->organizer['params']['SENT-BY'], 7);
     }
     return TRUE;
   }
@@ -2885,11 +2885,11 @@ 
  * @return string
  */
   function createPercentComplete() {
-    if( empty( $this->percentcomplete )) return FALSE;
-    if( empty( $this->percentcomplete['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PERCENT-COMPLETE' ) : FALSE;
-    $attributes = $this->_createParams( $this->percentcomplete['params'] );
-    return $this->_createElement( 'PERCENT-COMPLETE', $attributes, $this->percentcomplete['value'] );
+    if (empty($this->percentcomplete)) return FALSE;
+    if (empty($this->percentcomplete['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('PERCENT-COMPLETE') : FALSE;
+    $attributes = $this->_createParams($this->percentcomplete['params']);
+    return $this->_createElement('PERCENT-COMPLETE', $attributes, $this->percentcomplete['value']);
   }
 /**
  * set calendar component property percent-complete
@@ -2900,9 +2900,9 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setPercentComplete( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->percentcomplete = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setPercentComplete($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->percentcomplete = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -2917,11 +2917,11 @@ 
  * @return string
  */
   function createPriority() {
-    if( empty( $this->priority )) return FALSE;
-    if( empty( $this->priority['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PRIORITY' ) : FALSE;
-    $attributes = $this->_createParams( $this->priority['params'] );
-    return $this->_createElement( 'PRIORITY', $attributes, $this->priority['value'] );
+    if (empty($this->priority)) return FALSE;
+    if (empty($this->priority['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('PRIORITY') : FALSE;
+    $attributes = $this->_createParams($this->priority['params']);
+    return $this->_createElement('PRIORITY', $attributes, $this->priority['value']);
   }
 /**
  * set calendar component property priority
@@ -2932,9 +2932,9 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setPriority( $value, $params=FALSE  ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->priority = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setPriority($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->priority = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -2949,91 +2949,91 @@ 
  * @return string
  */
   function createRdate() {
-    if( empty( $this->rdate )) return FALSE;
-    $utctime = ( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE;
+    if (empty($this->rdate)) return FALSE;
+    $utctime = (in_array($this->objName, array('vtimezone', 'standard', 'daylight'))) ? TRUE : FALSE;
     $output = null;
-    if( $utctime  )
-      unset( $this->rdate['params']['TZID'] );
-    foreach( $this->rdate as $theRdate ) {
-      if( empty( $theRdate['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RDATE' );
+    if ($utctime)
+      unset($this->rdate['params']['TZID']);
+    foreach ($this->rdate as $theRdate) {
+      if (empty($theRdate['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('RDATE');
         continue;
       }
-      if( $utctime  )
-        unset( $theRdate['params']['TZID'] );
-      $attributes = $this->_createParams( $theRdate['params'] );
-      $cnt = count( $theRdate['value'] );
+      if ($utctime)
+        unset($theRdate['params']['TZID']);
+      $attributes = $this->_createParams($theRdate['params']);
+      $cnt = count($theRdate['value']);
       $content = null;
       $rno = 1;
-      foreach( $theRdate['value'] as $rpix => $rdatePart ) {
+      foreach ($theRdate['value'] as $rpix => $rdatePart) {
         $contentPart = null;
-        if( is_array( $rdatePart ) &&
-            isset( $theRdate['params']['VALUE'] ) && ( 'PERIOD' == $theRdate['params']['VALUE'] )) { // PERIOD
-          if( $utctime )
-            unset( $rdatePart[0]['tz'] );
-          $formatted = $this->_format_date_time( $rdatePart[0]); // PERIOD part 1
-          if( $utctime || !empty( $theRdate['params']['TZID'] ))
-            $formatted = str_replace( 'Z', '', $formatted);
-          if( 0 < $rpix ) {
-            if( !empty( $rdatePart[0]['tz'] ) && $this->_isOffset( $rdatePart[0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
+        if (is_array($rdatePart) &&
+            isset($theRdate['params']['VALUE']) && ('PERIOD' == $theRdate['params']['VALUE'])) { // PERIOD
+          if ($utctime)
+            unset($rdatePart[0]['tz']);
+          $formatted = $this->_format_date_time($rdatePart[0]); // PERIOD part 1
+          if ($utctime || !empty($theRdate['params']['TZID']))
+            $formatted = str_replace('Z', '', $formatted);
+          if (0 < $rpix) {
+            if (!empty($rdatePart[0]['tz']) && $this->_isOffset($rdatePart[0]['tz'])) {
+              if ('Z' != substr($formatted, -1)) $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
+              $formatted = str_replace('Z', '', $formatted);
           }
           $contentPart .= $formatted;
           $contentPart .= '/';
-          $cnt2 = count( $rdatePart[1]);
-          if( array_key_exists( 'year', $rdatePart[1] )) {
-            if( array_key_exists( 'hour', $rdatePart[1] ))
-              $cnt2 = 7;                                      // date-time
+          $cnt2 = count($rdatePart[1]);
+          if (array_key_exists('year', $rdatePart[1])) {
+            if (array_key_exists('hour', $rdatePart[1]))
+              $cnt2 = 7; // date-time
             else
-              $cnt2 = 3;                                      // date
+              $cnt2 = 3; // date
           }
-          elseif( array_key_exists( 'week', $rdatePart[1] ))  // duration
+          elseif (array_key_exists('week', $rdatePart[1]))  // duration
             $cnt2 = 5;
-          if(( 7 == $cnt2 )   &&    // period=  -> date-time
-              isset( $rdatePart[1]['year'] )  &&
-              isset( $rdatePart[1]['month'] ) &&
-              isset( $rdatePart[1]['day'] )) {
-            if( $utctime )
-              unset( $rdatePart[1]['tz'] );
-            $formatted = $this->_format_date_time( $rdatePart[1] ); // PERIOD part 2
-            if( $utctime || !empty( $theRdate['params']['TZID'] ))
-              $formatted = str_replace( 'Z', '', $formatted);
-            if( !empty( $rdatePart[0]['tz'] ) && $this->_isOffset( $rdatePart[0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
+          if ((7 == $cnt2) && // period=  -> date-time
+              isset($rdatePart[1]['year']) &&
+              isset($rdatePart[1]['month']) &&
+              isset($rdatePart[1]['day'])) {
+            if ($utctime)
+              unset($rdatePart[1]['tz']);
+            $formatted = $this->_format_date_time($rdatePart[1]); // PERIOD part 2
+            if ($utctime || !empty($theRdate['params']['TZID']))
+              $formatted = str_replace('Z', '', $formatted);
+            if (!empty($rdatePart[0]['tz']) && $this->_isOffset($rdatePart[0]['tz'])) {
+              if ('Z' != substr($formatted, -1)) $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
+              $formatted = str_replace('Z', '', $formatted);
            $contentPart .= $formatted;
           }
           else {                                  // period=  -> dur-time
-            $contentPart .= $this->_format_duration( $rdatePart[1] );
+            $contentPart .= $this->_format_duration($rdatePart[1]);
           }
         } // PERIOD end
         else { // SINGLE date start
-          if( $utctime )
-            unset( $rdatePart['tz'] );
-          $formatted = $this->_format_date_time( $rdatePart);
-          if( $utctime || !empty( $theRdate['params']['TZID'] ))
-            $formatted = str_replace( 'Z', '', $formatted);
-          if( !$utctime && ( 0 < $rpix )) {
-            if( !empty( $theRdate['value'][0]['tz'] ) && $this->_isOffset( $theRdate['value'][0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 ))
+          if ($utctime)
+            unset($rdatePart['tz']);
+          $formatted = $this->_format_date_time($rdatePart);
+          if ($utctime || !empty($theRdate['params']['TZID']))
+            $formatted = str_replace('Z', '', $formatted);
+          if (!$utctime && (0 < $rpix)) {
+            if (!empty($theRdate['value'][0]['tz']) && $this->_isOffset($theRdate['value'][0]['tz'])) {
+              if ('Z' != substr($formatted, -1))
                 $formatted .= 'Z';
             }
             else
-              $formatted = str_replace( 'Z', '', $formatted );
+              $formatted = str_replace('Z', '', $formatted);
           }
           $contentPart .= $formatted;
         }
         $content .= $contentPart;
-        if( $rno < $cnt )
+        if ($rno < $cnt)
           $content .= ',';
         $rno++;
       }
-      $output    .= $this->_createElement( 'RDATE', $attributes, $content );
+      $output .= $this->_createElement('RDATE', $attributes, $content);
     }
     return $output;
   }
@@ -3047,93 +3047,93 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setRdate( $rdates, $params=FALSE, $index=FALSE ) {
-    if( empty( $rdates )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->_setMval( $this->rdate, null, $params, FALSE, $index );
+  function setRdate($rdates, $params = FALSE, $index = FALSE) {
+    if (empty($rdates)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->_setMval($this->rdate, null, $params, FALSE, $index);
         return TRUE;
       }
       else
         return FALSE;
     }
-    $input = array( 'params' => $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' )));
-    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) {
-      unset( $input['params']['TZID'] );
+    $input = array('params' => $this->_setParams($params, array('VALUE' => 'DATE-TIME')));
+    if (in_array($this->objName, array('vtimezone', 'standard', 'daylight'))) {
+      unset($input['params']['TZID']);
       $input['params']['VALUE'] = 'DATE-TIME';
     }
             /*  check if PERIOD, if not set */
-    if((!isset( $input['params']['VALUE'] ) || !in_array( $input['params']['VALUE'], array( 'DATE', 'PERIOD' ))) &&
-          isset( $rdates[0] )    && is_array( $rdates[0] ) && ( 2 == count( $rdates[0] )) &&
-          isset( $rdates[0][0] ) &&    isset( $rdates[0][1] ) && !isset( $rdates[0]['timestamp'] ) &&
-    (( is_array( $rdates[0][0] ) && ( isset( $rdates[0][0]['timestamp'] ) ||
-                                      $this->_isArrayDate( $rdates[0][0] ))) ||
-                                    ( is_string( $rdates[0][0] ) && ( 8 <= strlen( trim( $rdates[0][0] )))))  &&
-     ( is_array( $rdates[0][1] ) || ( is_string( $rdates[0][1] ) && ( 3 <= strlen( trim( $rdates[0][1] ))))))
+    if ((!isset($input['params']['VALUE']) || !in_array($input['params']['VALUE'], array('DATE', 'PERIOD'))) &&
+          isset($rdates[0]) && is_array($rdates[0]) && (2 == count($rdates[0])) &&
+          isset($rdates[0][0]) && isset($rdates[0][1]) && !isset($rdates[0]['timestamp']) &&
+    ((is_array($rdates[0][0]) && (isset($rdates[0][0]['timestamp']) ||
+                                      $this->_isArrayDate($rdates[0][0]))) ||
+                                    (is_string($rdates[0][0]) && (8 <= strlen(trim($rdates[0][0]))))) &&
+     (is_array($rdates[0][1]) || (is_string($rdates[0][1]) && (3 <= strlen(trim($rdates[0][1]))))))
       $input['params']['VALUE'] = 'PERIOD';
             /* check 1:st date, upd. $parno (opt) and save ev. timezone **/
-    $date  = reset( $rdates );
-    if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) // PERIOD
-      $date  = reset( $date );
-    $this->_chkdatecfg( $date, $parno, $input['params'] );
-    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' )))
-      unset( $input['params']['TZID'] );
-    $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default
-    foreach( $rdates as $rpix => $theRdate ) {
+    $date = reset($rdates);
+    if (isset($input['params']['VALUE']) && ('PERIOD' == $input['params']['VALUE'])) // PERIOD
+      $date = reset($date);
+    $this->_chkdatecfg($date, $parno, $input['params']);
+    if (in_array($this->objName, array('vtimezone', 'standard', 'daylight')))
+      unset($input['params']['TZID']);
+    $this->_existRem($input['params'], 'VALUE', 'DATE-TIME'); // remove default
+    foreach ($rdates as $rpix => $theRdate) {
       $inputa = null;
-      if( is_array( $theRdate )) {
-        if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) { // PERIOD
-          foreach( $theRdate as $rix => $rPeriod ) {
-            if( is_array( $rPeriod )) {
-              if( $this->_isArrayTimestampDate( $rPeriod ))      // timestamp
-                $inputab  = ( isset( $rPeriod['tz'] )) ? $this->_timestamp2date( $rPeriod, $parno ) : $this->_timestamp2date( $rPeriod, 6 );
-              elseif( $this->_isArrayDate( $rPeriod ))
-                $inputab  = ( 3 < count ( $rPeriod )) ? $this->_date_time_array( $rPeriod, $parno ) : $this->_date_time_array( $rPeriod, 6 );
-              elseif (( 1 == count( $rPeriod )) && ( 8 <= strlen( reset( $rPeriod ))))  // text-date
-                $inputab  = $this->_date_time_string( reset( $rPeriod ), $parno );
+      if (is_array($theRdate)) {
+        if (isset($input['params']['VALUE']) && ('PERIOD' == $input['params']['VALUE'])) { // PERIOD
+          foreach ($theRdate as $rix => $rPeriod) {
+            if (is_array($rPeriod)) {
+              if ($this->_isArrayTimestampDate($rPeriod))      // timestamp
+                $inputab  = (isset($rPeriod['tz'])) ? $this->_timestamp2date($rPeriod, $parno) : $this->_timestamp2date($rPeriod, 6);
+              elseif ($this->_isArrayDate($rPeriod))
+                $inputab  = (3 < count($rPeriod)) ? $this->_date_time_array($rPeriod, $parno) : $this->_date_time_array($rPeriod, 6);
+              elseif ((1 == count($rPeriod)) && (8 <= strlen(reset($rPeriod))))  // text-date
+                $inputab  = $this->_date_time_string(reset($rPeriod), $parno);
               else                                               // array format duration
-                $inputab  = $this->_duration_array( $rPeriod );
+                $inputab  = $this->_duration_array($rPeriod);
             }
-            elseif(( 3 <= strlen( trim( $rPeriod ))) &&          // string format duration
-                   ( in_array( $rPeriod{0}, array( 'P', '+', '-' )))) {
-              if( 'P' != $rPeriod{0} )
-                $rPeriod  = substr( $rPeriod, 1 );
-              $inputab    = $this->_duration_string( $rPeriod );
+            elseif ((3 <= strlen(trim($rPeriod))) && // string format duration
+                   (in_array($rPeriod{0}, array('P', '+', '-')))) {
+              if ('P' != $rPeriod{0} )
+                $rPeriod  = substr($rPeriod, 1);
+              $inputab    = $this->_duration_string($rPeriod);
             }
-            elseif( 8 <= strlen( trim( $rPeriod )))              // text date ex. 2006-08-03 10:12:18
-              $inputab    = $this->_date_time_string( $rPeriod, $parno );
-            if(  isset( $input['params']['TZID'] ) ||
-               ( isset( $inputab['tz'] )   && !$this->_isOffset( $inputab['tz'] )) ||
-               ( isset( $inputa[0] )       && ( !isset( $inputa[0]['tz'] )))       ||
-               ( isset( $inputa[0]['tz'] ) && !$this->_isOffset( $inputa[0]['tz'] )))
-              unset( $inputab['tz'] );
-            $inputa[]     = $inputab;
+            elseif (8 <= strlen(trim($rPeriod)))              // text date ex. 2006-08-03 10:12:18
+              $inputab    = $this->_date_time_string($rPeriod, $parno);
+            if (isset($input['params']['TZID']) ||
+               (isset($inputab['tz']) && !$this->_isOffset($inputab['tz'])) ||
+               (isset($inputa[0]) && (!isset($inputa[0]['tz']))) ||
+               (isset($inputa[0]['tz']) && !$this->_isOffset($inputa[0]['tz'])))
+              unset($inputab['tz']);
+            $inputa[] = $inputab;
           }
         } // PERIOD end
-        elseif ( $this->_isArrayTimestampDate( $theRdate ))      // timestamp
-          $inputa = $this->_timestamp2date( $theRdate, $parno );
+        elseif ($this->_isArrayTimestampDate($theRdate))      // timestamp
+          $inputa = $this->_timestamp2date($theRdate, $parno);
         else                                                     // date[-time]
-          $inputa = $this->_date_time_array( $theRdate, $parno );
+          $inputa = $this->_date_time_array($theRdate, $parno);
       }
-      elseif( 8 <= strlen( trim( $theRdate )))                   // text date ex. 2006-08-03 10:12:18
-        $inputa       = $this->_date_time_string( $theRdate, $parno );
-      if( !isset( $input['params']['VALUE'] ) || ( 'PERIOD' != $input['params']['VALUE'] )) { // no PERIOD
-        if( 3 == $parno )
-          unset( $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] );
-        elseif( isset( $inputa['tz'] ))
+      elseif (8 <= strlen(trim($theRdate)))                   // text date ex. 2006-08-03 10:12:18
+        $inputa = $this->_date_time_string($theRdate, $parno);
+      if (!isset($input['params']['VALUE']) || ('PERIOD' != $input['params']['VALUE'])) { // no PERIOD
+        if (3 == $parno)
+          unset($inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz']);
+        elseif (isset($inputa['tz']))
           $inputa['tz'] = (string) $inputa['tz'];
-        if(  isset( $input['params']['TZID'] ) ||
-           ( isset( $inputa['tz'] )            && !$this->_isOffset( $inputa['tz'] ))     ||
-           ( isset( $input['value'][0] )       && ( !isset( $input['value'][0]['tz'] )))  ||
-           ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] )))
-          unset( $inputa['tz'] );
+        if (isset($input['params']['TZID']) ||
+           (isset($inputa['tz']) && !$this->_isOffset($inputa['tz'])) ||
+           (isset($input['value'][0]) && (!isset($input['value'][0]['tz']))) ||
+           (isset($input['value'][0]['tz']) && !$this->_isOffset($input['value'][0]['tz'])))
+          unset($inputa['tz']);
       }
       $input['value'][] = $inputa;
     }
-    if( 3 == $parno ) {
+    if (3 == $parno) {
       $input['params']['VALUE'] = 'DATE';
-      unset( $input['params']['TZID'] );
+      unset($input['params']['TZID']);
     }
-    $this->_setMval( $this->rdate, $input['value'], $input['params'], FALSE, $index );
+    $this->_setMval($this->rdate, $input['value'], $input['params'], FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3148,12 +3148,12 @@ 
  * @return string
  */
   function createRecurrenceid() {
-    if( empty( $this->recurrenceid )) return FALSE;
-    if( empty( $this->recurrenceid['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'RECURRENCE-ID' ) : FALSE;
-    $formatted  = $this->_format_date_time( $this->recurrenceid['value'] );
-    $attributes = $this->_createParams( $this->recurrenceid['params'] );
-    return $this->_createElement( 'RECURRENCE-ID', $attributes, $formatted );
+    if (empty($this->recurrenceid)) return FALSE;
+    if (empty($this->recurrenceid['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('RECURRENCE-ID') : FALSE;
+    $formatted  = $this->_format_date_time($this->recurrenceid['value']);
+    $attributes = $this->_createParams($this->recurrenceid['params']);
+    return $this->_createElement('RECURRENCE-ID', $attributes, $formatted);
   }
 /**
  * set calendar component property recurrence-id
@@ -3169,16 +3169,16 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setRecurrenceid( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) {
-    if( empty( $year )) {
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->recurrenceid = array( 'value' => null, 'params' => null );
+  function setRecurrenceid($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $params = FALSE) {
+    if (empty($year)) {
+      if ($this->getConfig('allowEmpty')) {
+        $this->recurrenceid = array('value' => null, 'params' => null);
         return TRUE;
       }
       else
         return FALSE;
     }
-    $this->recurrenceid = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
+    $this->recurrenceid = $this->_setDate($year, $month, $day, $hour, $min, $sec, $tz, $params);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3193,18 +3193,18 @@ 
  * @return string
  */
   function createRelatedTo() {
-    if( empty( $this->relatedto )) return FALSE;
+    if (empty($this->relatedto)) return FALSE;
     $output = null;
-    foreach( $this->relatedto as $relation ) {
-      if( empty( $relation['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output.= $this->_createElement( 'RELATED-TO', $this->_createParams( $relation['params'] ));
+    foreach ($this->relatedto as $relation) {
+      if (empty($relation['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('RELATED-TO', $this->_createParams($relation['params']));
         continue;
       }
-      $attributes = $this->_createParams( $relation['params'] );
-      $content    = ( 'xcal' != $this->format ) ? '<' : '';
-      $content   .= $this->_strrep( $relation['value'] );
-      $content   .= ( 'xcal' != $this->format ) ? '>' : '';
-      $output    .= $this->_createElement( 'RELATED-TO', $attributes, $content );
+      $attributes = $this->_createParams($relation['params']);
+      $content    = ('xcal' != $this->format) ? '<' : '';
+      $content   .= $this->_strrep($relation['value']);
+      $content   .= ('xcal' != $this->format) ? '>' : '';
+      $output    .= $this->_createElement('RELATED-TO', $attributes, $content);
     }
     return $output;
   }
@@ -3218,12 +3218,12 @@ 
  * @param index $index, optional
  * @return bool
  */
-  function setRelatedTo( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    if(( '<' == substr( $value, 0, 1 )) && ( '>' == substr( $value, -1 )))
-      $value = substr( $value, 1, ( strlen( $value ) - 2 ));
-    $this->_existRem( $params, 'RELTYPE', 'PARENT', TRUE ); // remove default
-    $this->_setMval( $this->relatedto, $value, $params, FALSE, $index );
+  function setRelatedTo($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    if (('<' == substr($value, 0, 1)) && ('>' == substr($value, -1)))
+      $value = substr($value, 1, (strlen($value) - 2));
+    $this->_existRem($params, 'RELTYPE', 'PARENT', TRUE); // remove default
+    $this->_setMval($this->relatedto, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3238,11 +3238,11 @@ 
  * @return string
  */
   function createRepeat() {
-    if( empty( $this->repeat )) return FALSE;
-    if( empty( $this->repeat['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'REPEAT' ) : FALSE;
-    $attributes = $this->_createParams( $this->repeat['params'] );
-    return $this->_createElement( 'REPEAT', $attributes, $this->repeat['value'] );
+    if (empty($this->repeat)) return FALSE;
+    if (empty($this->repeat['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('REPEAT') : FALSE;
+    $attributes = $this->_createParams($this->repeat['params']);
+    return $this->_createElement('REPEAT', $attributes, $this->repeat['value']);
   }
 /**
  * set calendar component property transp
@@ -3253,9 +3253,9 @@ 
  * @param array $params optional
  * @return void
  */
-  function setRepeat( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->repeat = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setRepeat($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->repeat = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3269,19 +3269,19 @@ 
  * @return string
  */
   function createRequestStatus() {
-    if( empty( $this->requeststatus )) return FALSE;
+    if (empty($this->requeststatus)) return FALSE;
     $output = null;
-    foreach( $this->requeststatus as $rstat ) {
-      if( empty( $rstat['value']['statcode'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'REQUEST-STATUS' );
+    foreach ($this->requeststatus as $rstat) {
+      if (empty($rstat['value']['statcode'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('REQUEST-STATUS');
         continue;
       }
-      $attributes  = $this->_createParams( $rstat['params'], array( 'LANGUAGE' ));
-      $content     = number_format( (float) $rstat['value']['statcode'], 2, '.', '');
-      $content    .= ';'.$this->_strrep( $rstat['value']['text'] );
-      if( isset( $rstat['value']['extdata'] ))
-        $content  .= ';'.$this->_strrep( $rstat['value']['extdata'] );
-      $output     .= $this->_createElement( 'REQUEST-STATUS', $attributes, $content );
+      $attributes  = $this->_createParams($rstat['params'], array('LANGUAGE'));
+      $content     = number_format((float) $rstat['value']['statcode'], 2, '.', '');
+      $content    .= ';'.$this->_strrep($rstat['value']['text']);
+      if (isset($rstat['value']['extdata']))
+        $content  .= ';'.$this->_strrep($rstat['value']['extdata']);
+      $output     .= $this->_createElement('REQUEST-STATUS', $attributes, $content);
     }
     return $output;
   }
@@ -3297,12 +3297,12 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setRequestStatus( $statcode, $text, $extdata=FALSE, $params=FALSE, $index=FALSE ) {
-    if( empty( $statcode ) || empty( $text )) if( $this->getConfig( 'allowEmpty' )) $statcode = $text = null; else return FALSE;
-    $input              = array( 'statcode' => $statcode, 'text' => $text );
-    if( $extdata )
+  function setRequestStatus($statcode, $text, $extdata = FALSE, $params = FALSE, $index = FALSE) {
+    if (empty($statcode) || empty($text)) if ($this->getConfig('allowEmpty')) $statcode = $text = null; else return FALSE;
+    $input              = array('statcode' => $statcode, 'text' => $text);
+    if ($extdata)
       $input['extdata'] = $extdata;
-    $this->_setMval( $this->requeststatus, $input, $params, FALSE, $index );
+    $this->_setMval($this->requeststatus, $input, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3317,22 +3317,22 @@ 
  * @return string
  */
   function createResources() {
-    if( empty( $this->resources )) return FALSE;
+    if (empty($this->resources)) return FALSE;
     $output = null;
-    foreach( $this->resources as $resource ) {
-      if( empty( $resource['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RESOURCES' );
+    foreach ($this->resources as $resource) {
+      if (empty($resource['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement('RESOURCES');
         continue;
       }
-      $attributes  = $this->_createParams( $resource['params'], array( 'ALTREP', 'LANGUAGE' ));
-      if( is_array( $resource['value'] )) {
-        foreach( $resource['value'] as $rix => $resourcePart )
-          $resource['value'][$rix] = $this->_strrep( $resourcePart );
-        $content   = implode( ',', $resource['value'] );
+      $attributes = $this->_createParams($resource['params'], array('ALTREP', 'LANGUAGE'));
+      if (is_array($resource['value'])) {
+        foreach ($resource['value'] as $rix => $resourcePart)
+          $resource['value'][$rix] = $this->_strrep($resourcePart);
+        $content   = implode(',', $resource['value']);
       }
       else
-        $content   = $this->_strrep( $resource['value'] );
-      $output     .= $this->_createElement( 'RESOURCES', $attributes, $content );
+        $content   = $this->_strrep($resource['value']);
+      $output     .= $this->_createElement('RESOURCES', $attributes, $content);
     }
     return $output;
   }
@@ -3346,9 +3346,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setResources( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->_setMval( $this->resources, $value, $params, FALSE, $index );
+  function setResources($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->_setMval($this->resources, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3363,8 +3363,8 @@ 
  * @return string
  */
   function createRrule() {
-    if( empty( $this->rrule )) return FALSE;
-    return $this->_format_recur( 'RRULE', $this->rrule );
+    if (empty($this->rrule)) return FALSE;
+    return $this->_format_recur('RRULE', $this->rrule);
   }
 /**
  * set calendar component property rrule
@@ -3376,9 +3376,9 @@ 
  * @param integer $index, optional
  * @return void
  */
-  function setRrule( $rruleset, $params=FALSE, $index=FALSE ) {
-    if( empty( $rruleset )) if( $this->getConfig( 'allowEmpty' )) $rruleset = null; else return FALSE;
-    $this->_setMval( $this->rrule, $this->_setRexrule( $rruleset ), $params, FALSE, $index );
+  function setRrule($rruleset, $params = FALSE, $index = FALSE) {
+    if (empty($rruleset)) if ($this->getConfig('allowEmpty')) $rruleset = null; else return FALSE;
+    $this->_setMval($this->rrule, $this->_setRexrule($rruleset), $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3392,11 +3392,11 @@ 
  * @return string
  */
   function createSequence() {
-    if( empty( $this->sequence )) return FALSE;
-    if( empty( $this->sequence['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SEQUENCE' ) : FALSE;
-    $attributes = $this->_createParams( $this->sequence['params'] );
-    return $this->_createElement( 'SEQUENCE', $attributes, $this->sequence['value'] );
+    if (empty($this->sequence)) return FALSE;
+    if (empty($this->sequence['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('SEQUENCE') : FALSE;
+    $attributes = $this->_createParams($this->sequence['params']);
+    return $this->_createElement('SEQUENCE', $attributes, $this->sequence['value']);
   }
 /**
  * set calendar component property sequence
@@ -3406,10 +3406,10 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setSequence( $value=FALSE, $params=FALSE ) {
-    if( empty( $value ))
-      $value = ( isset( $this->sequence['value'] ) && ( 0 < $this->sequence['value'] )) ? $this->sequence['value'] + 1 : 1;
-    $this->sequence = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setSequence($value = FALSE, $params = FALSE) {
+    if (empty($value))
+      $value = (isset($this->sequence['value']) && (0 < $this->sequence['value'])) ? $this->sequence['value'] + 1 : 1;
+    $this->sequence = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3424,11 +3424,11 @@ 
  * @return string
  */
   function createStatus() {
-    if( empty( $this->status )) return FALSE;
-    if( empty( $this->status['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'STATUS' ) : FALSE;
-    $attributes = $this->_createParams( $this->status['params'] );
-    return $this->_createElement( 'STATUS', $attributes, $this->status['value'] );
+    if (empty($this->status)) return FALSE;
+    if (empty($this->status['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('STATUS') : FALSE;
+    $attributes = $this->_createParams($this->status['params']);
+    return $this->_createElement('STATUS', $attributes, $this->status['value']);
   }
 /**
  * set calendar component property status
@@ -3439,9 +3439,9 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setStatus( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->status = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setStatus($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->status = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3456,12 +3456,12 @@ 
  * @return string
  */
   function createSummary() {
-    if( empty( $this->summary )) return FALSE;
-    if( empty( $this->summary['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SUMMARY' ) : FALSE;
-    $attributes = $this->_createParams( $this->summary['params'], array( 'ALTREP', 'LANGUAGE' ));
-    $content    = $this->_strrep( $this->summary['value'] );
-    return $this->_createElement( 'SUMMARY', $attributes, $content );
+    if (empty($this->summary)) return FALSE;
+    if (empty($this->summary['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('SUMMARY') : FALSE;
+    $attributes = $this->_createParams($this->summary['params'], array('ALTREP', 'LANGUAGE'));
+    $content    = $this->_strrep($this->summary['value']);
+    return $this->_createElement('SUMMARY', $attributes, $content);
   }
 /**
  * set calendar component property summary
@@ -3472,9 +3472,9 @@ 
  * @param string $params optional
  * @return bool
  */
-  function setSummary( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->summary = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setSummary($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->summary = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3489,11 +3489,11 @@ 
  * @return string
  */
   function createTransp() {
-    if( empty( $this->transp )) return FALSE;
-    if( empty( $this->transp['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRANSP' ) : FALSE;
-    $attributes = $this->_createParams( $this->transp['params'] );
-    return $this->_createElement( 'TRANSP', $attributes, $this->transp['value'] );
+    if (empty($this->transp)) return FALSE;
+    if (empty($this->transp['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('TRANSP') : FALSE;
+    $attributes = $this->_createParams($this->transp['params']);
+    return $this->_createElement('TRANSP', $attributes, $this->transp['value']);
   }
 /**
  * set calendar component property transp
@@ -3504,9 +3504,9 @@ 
  * @param string $params optional
  * @return bool
  */
-  function setTransp( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->transp = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setTransp($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->transp = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3521,23 +3521,23 @@ 
  * @return string
  */
   function createTrigger() {
-    if( empty( $this->trigger )) return FALSE;
-    if( empty( $this->trigger['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRIGGER' ) : FALSE;
+    if (empty($this->trigger)) return FALSE;
+    if (empty($this->trigger['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('TRIGGER') : FALSE;
     $content = $attributes = null;
-    if( isset( $this->trigger['value']['year'] )   &&
-        isset( $this->trigger['value']['month'] )  &&
-        isset( $this->trigger['value']['day'] ))
-      $content      .= $this->_format_date_time( $this->trigger['value'] );
+    if (isset($this->trigger['value']['year']) &&
+        isset($this->trigger['value']['month']) &&
+        isset($this->trigger['value']['day']))
+      $content      .= $this->_format_date_time($this->trigger['value']);
     else {
-      if( TRUE !== $this->trigger['value']['relatedStart'] )
+      if (TRUE !== $this->trigger['value']['relatedStart'])
         $attributes .= $this->intAttrDelimiter.'RELATED=END';
-      if( $this->trigger['value']['before'] )
+      if ($this->trigger['value']['before'])
         $content    .= '-';
-      $content      .= $this->_format_duration( $this->trigger['value'] );
+      $content      .= $this->_format_duration($this->trigger['value']);
     }
-    $attributes     .= $this->_createParams( $this->trigger['params'] );
-    return $this->_createElement( 'TRIGGER', $attributes, $content );
+    $attributes     .= $this->_createParams($this->trigger['params']);
+    return $this->_createElement('TRIGGER', $attributes, $content);
   }
 /**
  * set calendar component property trigger
@@ -3556,86 +3556,86 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setTrigger( $year, $month=null, $day=null, $week=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $relatedStart=TRUE, $before=TRUE, $params=FALSE ) {
-    if( empty( $year ) && empty( $month ) && empty( $day ) && empty( $week ) && empty( $hour ) && empty( $min ) && empty( $sec ))
-      if( $this->getConfig( 'allowEmpty' )) {
-        $this->trigger = array( 'value' => null, 'params' => $this->_setParams( $params ) );
+  function setTrigger($year, $month = null, $day = null, $week = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $relatedStart = TRUE, $before = TRUE, $params = FALSE) {
+    if (empty($year) && empty($month) && empty($day) && empty($week) && empty($hour) && empty($min) && empty($sec))
+      if ($this->getConfig('allowEmpty')) {
+        $this->trigger = array('value' => null, 'params' => $this->_setParams($params));
         return TRUE;
       }
       else
         return FALSE;
-    if( $this->_isArrayTimestampDate( $year )) { // timestamp
-      $params = $this->_setParams( $month );
-      $date   = $this->_timestamp2date( $year, 7 );
-      foreach( $date as $k => $v )
+    if ($this->_isArrayTimestampDate($year)) { // timestamp
+      $params = $this->_setParams($month);
+      $date   = $this->_timestamp2date($year, 7);
+      foreach ($date as $k => $v)
         $$k = $v;
     }
-    elseif( is_array( $year ) && ( is_array( $month ) || empty( $month ))) {
-      $params = $this->_setParams( $month );
-      if(!(array_key_exists( 'year',  $year ) &&   // exclude date-time
-           array_key_exists( 'month', $year ) &&
-           array_key_exists( 'day',   $year ))) {  // so this must be a duration
-        if( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] ))
+    elseif (is_array($year) && (is_array($month) || empty($month))) {
+      $params = $this->_setParams($month);
+      if (!(array_key_exists('year', $year) && // exclude date-time
+           array_key_exists('month', $year) &&
+           array_key_exists('day', $year))) {  // so this must be a duration
+        if (isset($params['RELATED']) && ('END' == $params['RELATED']))
           $relatedStart = FALSE;
         else
-          $relatedStart = ( array_key_exists( 'relatedStart', $year ) && ( TRUE !== $year['relatedStart'] )) ? FALSE : TRUE;
-        $before         = ( array_key_exists( 'before', $year )       && ( TRUE !== $year['before'] ))       ? FALSE : TRUE;
+          $relatedStart = (array_key_exists('relatedStart', $year) && (TRUE !== $year['relatedStart'])) ? FALSE : TRUE;
+        $before         = (array_key_exists('before', $year) && (TRUE !== $year['before'])) ? FALSE : TRUE;
       }
-      $SSYY  = ( array_key_exists( 'year',  $year )) ? $year['year']  : null;
-      $month = ( array_key_exists( 'month', $year )) ? $year['month'] : null;
-      $day   = ( array_key_exists( 'day',   $year )) ? $year['day']   : null;
-      $week  = ( array_key_exists( 'week',  $year )) ? $year['week']  : null;
-      $hour  = ( array_key_exists( 'hour',  $year )) ? $year['hour']  : 0; //null;
-      $min   = ( array_key_exists( 'min',   $year )) ? $year['min']   : 0; //null;
-      $sec   = ( array_key_exists( 'sec',   $year )) ? $year['sec']   : 0; //null;
+      $SSYY  = (array_key_exists('year', $year)) ? $year['year'] : null;
+      $month = (array_key_exists('month', $year)) ? $year['month'] : null;
+      $day   = (array_key_exists('day', $year)) ? $year['day'] : null;
+      $week  = (array_key_exists('week', $year)) ? $year['week'] : null;
+      $hour  = (array_key_exists('hour', $year)) ? $year['hour'] : 0; //null;
+      $min   = (array_key_exists('min', $year)) ? $year['min'] : 0; //null;
+      $sec   = (array_key_exists('sec', $year)) ? $year['sec'] : 0; //null;
       $year  = $SSYY;
     }
-    elseif(is_string( $year ) && ( is_array( $month ) || empty( $month ))) {  // duration or date in a string
-      $params = $this->_setParams( $month );
-      if( in_array( $year{0}, array( 'P', '+', '-' ))) { // duration
-        $relatedStart = ( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] )) ? FALSE : TRUE;
-        $before       = ( '-'  == $year{0} ) ? TRUE : FALSE;
-        if(     'P'  != $year{0} )
-          $year       = substr( $year, 1 );
-        $date         = $this->_duration_string( $year);
+    elseif (is_string($year) && (is_array($month) || empty($month))) {  // duration or date in a string
+      $params = $this->_setParams($month);
+      if (in_array($year{0}, array('P', '+', '-'))) { // duration
+        $relatedStart = (isset($params['RELATED']) && ('END' == $params['RELATED'])) ? FALSE : TRUE;
+        $before       = ('-' == $year{0} ) ? TRUE : FALSE;
+        if ('P' != $year{0} )
+          $year       = substr($year, 1);
+        $date         = $this->_duration_string($year);
       }
       else   // date
-        $date    = $this->_date_time_string( $year, 7 );
-      unset( $year, $month, $day );
-      foreach( $date as $k => $v )
+        $date = $this->_date_time_string($year, 7);
+      unset($year, $month, $day);
+      foreach ($date as $k => $v)
         $$k = $v;
     }
     else // single values in function input parameters
-      $params = $this->_setParams( $params );
-    if( !empty( $year ) && !empty( $month ) && !empty( $day )) { // date
+      $params = $this->_setParams($params);
+    if (!empty($year) && !empty($month) && !empty($day)) { // date
       $params['VALUE'] = 'DATE-TIME';
-      $hour = ( $hour ) ? $hour : 0;
-      $min  = ( $min  ) ? $min  : 0;
-      $sec  = ( $sec  ) ? $sec  : 0;
-      $this->trigger = array( 'params' => $params );
-      $this->trigger['value'] = array( 'year'  => $year
+      $hour = ($hour) ? $hour : 0;
+      $min  = ($min) ? $min : 0;
+      $sec  = ($sec) ? $sec : 0;
+      $this->trigger = array('params' => $params);
+      $this->trigger['value'] = array('year'  => $year
                                      , 'month' => $month
                                      , 'day'   => $day
                                      , 'hour'  => $hour
                                      , 'min'   => $min
                                      , 'sec'   => $sec
-                                     , 'tz'    => 'Z' );
+                                     , 'tz'    => 'Z');
       return TRUE;
     }
-    elseif(( empty( $year ) && empty( $month )) &&    // duration
-           (!empty( $week ) || !empty( $day ) || !empty( $hour ) || !empty( $min ) || !empty( $sec ))) {
-      unset( $params['RELATED'] ); // set at output creation (END only)
-      unset( $params['VALUE'] );   // 'DURATION' default
-      $this->trigger = array( 'params' => $params );
-      $relatedStart = ( FALSE !== $relatedStart ) ? TRUE : FALSE;
-      $before       = ( FALSE !== $before )       ? TRUE : FALSE;
-      $this->trigger['value']  = array( 'relatedStart' => $relatedStart
-                                      , 'before'       => $before );
-      if( !empty( $week )) $this->trigger['value']['week'] = $week;
-      if( !empty( $day  )) $this->trigger['value']['day']  = $day;
-      if( !empty( $hour )) $this->trigger['value']['hour'] = $hour;
-      if( !empty( $min  )) $this->trigger['value']['min']  = $min;
-      if( !empty( $sec  )) $this->trigger['value']['sec']  = $sec;
+    elseif ((empty($year) && empty($month)) && // duration
+           (!empty($week) || !empty($day) || !empty($hour) || !empty($min) || !empty($sec))) {
+      unset($params['RELATED']); // set at output creation (END only)
+      unset($params['VALUE']); // 'DURATION' default
+      $this->trigger = array('params' => $params);
+      $relatedStart = (FALSE !== $relatedStart) ? TRUE : FALSE;
+      $before       = (FALSE !== $before) ? TRUE : FALSE;
+      $this->trigger['value'] = array('relatedStart' => $relatedStart
+                                      , 'before'       => $before);
+      if (!empty($week)) $this->trigger['value']['week'] = $week;
+      if (!empty($day)) $this->trigger['value']['day']  = $day;
+      if (!empty($hour)) $this->trigger['value']['hour'] = $hour;
+      if (!empty($min)) $this->trigger['value']['min']  = $min;
+      if (!empty($sec)) $this->trigger['value']['sec']  = $sec;
       return TRUE;
     }
     return FALSE;
@@ -3652,11 +3652,11 @@ 
  * @return string
  */
   function createTzid() {
-    if( empty( $this->tzid )) return FALSE;
-    if( empty( $this->tzid['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZID' ) : FALSE;
-    $attributes = $this->_createParams( $this->tzid['params'] );
-    return $this->_createElement( 'TZID', $attributes, $this->_strrep( $this->tzid['value'] ));
+    if (empty($this->tzid)) return FALSE;
+    if (empty($this->tzid['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('TZID') : FALSE;
+    $attributes = $this->_createParams($this->tzid['params']);
+    return $this->_createElement('TZID', $attributes, $this->_strrep($this->tzid['value']));
   }
 /**
  * set calendar component property tzid
@@ -3667,9 +3667,9 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setTzid( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->tzid = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setTzid($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->tzid = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3685,14 +3685,14 @@ 
  * @return string
  */
   function createTzname() {
-    if( empty( $this->tzname )) return FALSE;
+    if (empty($this->tzname)) return FALSE;
     $output = null;
-    foreach( $this->tzname as $theName ) {
-      if( !empty( $theName['value'] )) {
-        $attributes = $this->_createParams( $theName['params'], array( 'LANGUAGE' ));
-        $output    .= $this->_createElement( 'TZNAME', $attributes, $this->_strrep( $theName['value'] ));
+    foreach ($this->tzname as $theName) {
+      if (!empty($theName['value'])) {
+        $attributes = $this->_createParams($theName['params'], array('LANGUAGE'));
+        $output    .= $this->_createElement('TZNAME', $attributes, $this->_strrep($theName['value']));
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'TZNAME' );
+      elseif ($this->getConfig('allowEmpty')) $output .= $this->_createElement('TZNAME');
     }
     return $output;
   }
@@ -3706,9 +3706,9 @@ 
  * @param integer $index, optional
  * @return bool
  */
-  function setTzname( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->_setMval( $this->tzname, $value, $params, FALSE, $index );
+  function setTzname($value, $params = FALSE, $index = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->_setMval($this->tzname, $value, $params, FALSE, $index);
     return TRUE;
   }
 /*********************************************************************************/
@@ -3723,11 +3723,11 @@ 
  * @return string
  */
   function createTzoffsetfrom() {
-    if( empty( $this->tzoffsetfrom )) return FALSE;
-    if( empty( $this->tzoffsetfrom['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETFROM' ) : FALSE;
-    $attributes = $this->_createParams( $this->tzoffsetfrom['params'] );
-    return $this->_createElement( 'TZOFFSETFROM', $attributes, $this->tzoffsetfrom['value'] );
+    if (empty($this->tzoffsetfrom)) return FALSE;
+    if (empty($this->tzoffsetfrom['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('TZOFFSETFROM') : FALSE;
+    $attributes = $this->_createParams($this->tzoffsetfrom['params']);
+    return $this->_createElement('TZOFFSETFROM', $attributes, $this->tzoffsetfrom['value']);
   }
 /**
  * set calendar component property tzoffsetfrom
@@ -3738,9 +3738,9 @@ 
  * @param string $params optional
  * @return bool
  */
-  function setTzoffsetfrom( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->tzoffsetfrom = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setTzoffsetfrom($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->tzoffsetfrom = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3755,11 +3755,11 @@ 
  * @return string
  */
   function createTzoffsetto() {
-    if( empty( $this->tzoffsetto )) return FALSE;
-    if( empty( $this->tzoffsetto['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETTO' ) : FALSE;
-    $attributes = $this->_createParams( $this->tzoffsetto['params'] );
-    return $this->_createElement( 'TZOFFSETTO', $attributes, $this->tzoffsetto['value'] );
+    if (empty($this->tzoffsetto)) return FALSE;
+    if (empty($this->tzoffsetto['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('TZOFFSETTO') : FALSE;
+    $attributes = $this->_createParams($this->tzoffsetto['params']);
+    return $this->_createElement('TZOFFSETTO', $attributes, $this->tzoffsetto['value']);
   }
 /**
  * set calendar component property tzoffsetto
@@ -3770,9 +3770,9 @@ 
  * @param string $params optional
  * @return bool
  */
-  function setTzoffsetto( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->tzoffsetto = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setTzoffsetto($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->tzoffsetto = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3787,11 +3787,11 @@ 
  * @return string
  */
   function createTzurl() {
-    if( empty( $this->tzurl )) return FALSE;
-    if( empty( $this->tzurl['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZURL' ) : FALSE;
-    $attributes = $this->_createParams( $this->tzurl['params'] );
-    return $this->_createElement( 'TZURL', $attributes, $this->tzurl['value'] );
+    if (empty($this->tzurl)) return FALSE;
+    if (empty($this->tzurl['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('TZURL') : FALSE;
+    $attributes = $this->_createParams($this->tzurl['params']);
+    return $this->_createElement('TZURL', $attributes, $this->tzurl['value']);
   }
 /**
  * set calendar component property tzurl
@@ -3802,9 +3802,9 @@ 
  * @param string $params optional
  * @return boll
  */
-  function setTzurl( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->tzurl = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setTzurl($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->tzurl = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3819,10 +3819,10 @@ 
  * @return string
  */
   function createUid() {
-    if( 0 >= count( $this->uid ))
+    if (0 >= count($this->uid))
       $this->_makeuid();
-    $attributes = $this->_createParams( $this->uid['params'] );
-    return $this->_createElement( 'UID', $attributes, $this->uid['value'] );
+    $attributes = $this->_createParams($this->uid['params']);
+    return $this->_createElement('UID', $attributes, $this->uid['value']);
   }
 /**
  * create an unique id for this calendar component object instance
@@ -3836,13 +3836,13 @@ 
     $unique = substr(microtime(), 2, 4);
     $base   = 'aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPrRsStTuUvVxXuUvVwWzZ1234567890';
     $start  = 0;
-    $end    = strlen( $base ) - 1;
+    $end    = strlen($base) - 1;
     $length = 6;
     $str    = null;
-    for( $p = 0; $p < $length; $p++ )
-      $unique .= $base{mt_rand( $start, $end )};
-    $this->uid = array( 'params' => null );
-    $this->uid['value']  = $date.'-'.$unique.'@'.$this->getConfig( 'unique_id' );
+    for ($p = 0; $p < $length; $p++)
+      $unique .= $base{mt_rand($start, $end)};
+    $this->uid = array('params' => null);
+    $this->uid['value'] = $date.'-'.$unique.'@'.$this->getConfig('unique_id');
   }
 /**
  * set calendar component property uid
@@ -3853,9 +3853,9 @@ 
  * @param string $params optional
  * @return bool
  */
-  function setUid( $value, $params=FALSE ) {
-    if( empty( $value )) return FALSE; // no allowEmpty check here !!!!
-    $this->uid = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setUid($value, $params = FALSE) {
+    if (empty($value)) return FALSE; // no allowEmpty check here !!!!
+    $this->uid = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3870,11 +3870,11 @@ 
  * @return string
  */
   function createUrl() {
-    if( empty( $this->url )) return FALSE;
-    if( empty( $this->url['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'URL' ) : FALSE;
-    $attributes = $this->_createParams( $this->url['params'] );
-    return $this->_createElement( 'URL', $attributes, $this->url['value'] );
+    if (empty($this->url)) return FALSE;
+    if (empty($this->url['value']))
+      return ($this->getConfig('allowEmpty')) ? $this->_createElement('URL') : FALSE;
+    $attributes = $this->_createParams($this->url['params']);
+    return $this->_createElement('URL', $attributes, $this->url['value']);
   }
 /**
  * set calendar component property url
@@ -3885,9 +3885,9 @@ 
  * @param string $params optional
  * @return bool
  */
-  function setUrl( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $this->url = array( 'value' => $value, 'params' => $this->_setParams( $params ));
+  function setUrl($value, $params = FALSE) {
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $this->url = array('value' => $value, 'params' => $this->_setParams($params));
     return TRUE;
   }
 /*********************************************************************************/
@@ -3902,22 +3902,22 @@ 
  * @return string
  */
   function createXprop() {
-    if( empty( $this->xprop )) return FALSE;
+    if (empty($this->xprop)) return FALSE;
     $output = null;
-    foreach( $this->xprop as $label => $xpropPart ) {
-      if( empty( $xpropPart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $label );
+    foreach ($this->xprop as $label => $xpropPart) {
+      if (empty($xpropPart['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement($label);
         continue;
       }
-      $attributes = $this->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
-      if( is_array( $xpropPart['value'] )) {
-        foreach( $xpropPart['value'] as $pix => $theXpart )
-          $xpropPart['value'][$pix] = $this->_strrep( $theXpart );
-        $xpropPart['value']  = implode( ',', $xpropPart['value'] );
+      $attributes = $this->_createParams($xpropPart['params'], array('LANGUAGE'));
+      if (is_array($xpropPart['value'])) {
+        foreach ($xpropPart['value'] as $pix => $theXpart)
+          $xpropPart['value'][$pix] = $this->_strrep($theXpart);
+        $xpropPart['value'] = implode(',', $xpropPart['value']);
       }
       else
-        $xpropPart['value'] = $this->_strrep( $xpropPart['value'] );
-      $output    .= $this->_createElement( $label, $attributes, $xpropPart['value'] );
+        $xpropPart['value'] = $this->_strrep($xpropPart['value']);
+      $output .= $this->_createElement($label, $attributes, $xpropPart['value']);
     }
     return $output;
   }
@@ -3931,14 +3931,14 @@ 
  * @param array $params optional
  * @return bool
  */
-  function setXprop( $label, $value, $params=FALSE ) {
-    if( empty( $label )) return;
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    $xprop           = array( 'value' => $value );
+  function setXprop($label, $value, $params = FALSE) {
+    if (empty($label)) return;
+    if (empty($value)) if ($this->getConfig('allowEmpty')) $value = null; else return FALSE;
+    $xprop           = array('value' => $value);
     $toolbox         = new calendarComponent();
-    $xprop['params'] = $toolbox->_setParams( $params );
-    if( !is_array( $this->xprop )) $this->xprop = array();
-    $this->xprop[strtoupper( $label )] = $xprop;
+    $xprop['params'] = $toolbox->_setParams($params);
+    if (!is_array($this->xprop)) $this->xprop = array();
+    $this->xprop[strtoupper($label)] = $xprop;
     return TRUE;
   }
 /*********************************************************************************/
@@ -3952,10 +3952,10 @@ 
  */
   function _createFormat() {
     $objectname                   = null;
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
-        $objectname               = ( isset( $this->timezonetype )) ?
-                                 strtolower( $this->timezonetype )  :  strtolower( $this->objName );
+        $objectname               = (isset($this->timezonetype)) ?
+                                 strtolower($this->timezonetype) : strtolower($this->objName);
         $this->componentStart1    = $this->elementStart1 = '<';
         $this->componentStart2    = $this->elementStart2 = '>';
         $this->componentEnd1      = $this->elementEnd1   = '</';
@@ -3965,8 +3965,8 @@ 
         $this->valueInit          = null;
         break;
       default:
-        $objectname               = ( isset( $this->timezonetype )) ?
-                                 strtoupper( $this->timezonetype )  :  strtoupper( $this->objName );
+        $objectname               = (isset($this->timezonetype)) ?
+                                 strtoupper($this->timezonetype) : strtoupper($this->objName);
         $this->componentStart1    = 'BEGIN:';
         $this->componentStart2    = null;
         $this->componentEnd1      = 'END:';
@@ -3992,82 +3992,82 @@ 
  * @param string $content property content (optional)
  * @return string
  */
-  function _createElement( $label, $attributes=null, $content=FALSE ) {
-    $label  = $this->_formatPropertyName( $label );
+  function _createElement($label, $attributes = null, $content = FALSE) {
+    $label  = $this->_formatPropertyName($label);
     $output = $this->elementStart1.$label;
     $categoriesAttrLang = null;
     $attachInlineBinary = FALSE;
     $attachfmttype      = null;
-    if( !empty( $attributes ))  {
-      $attributes  = trim( $attributes );
-      if ( 'xcal' == $this->format) {
-        $attributes2 = explode( $this->intAttrDelimiter, $attributes );
+    if (!empty($attributes)) {
+      $attributes = trim($attributes);
+      if ('xcal' == $this->format) {
+        $attributes2 = explode($this->intAttrDelimiter, $attributes);
         $attributes  = null;
-        foreach( $attributes2 as $attribute ) {
-          $attrKVarr = explode( '=', $attribute );
-          if( empty( $attrKVarr[0] ))
+        foreach ($attributes2 as $attribute) {
+          $attrKVarr = explode('=', $attribute);
+          if (empty($attrKVarr[0]))
             continue;
-          if( !isset( $attrKVarr[1] )) {
+          if (!isset($attrKVarr[1])) {
             $attrValue = $attrKVarr[0];
             $attrKey   = null;
           }
-          elseif( 2 == count( $attrKVarr)) {
-            $attrKey   = strtolower( $attrKVarr[0] );
+          elseif (2 == count($attrKVarr)) {
+            $attrKey   = strtolower($attrKVarr[0]);
             $attrValue = $attrKVarr[1];
           }
           else {
-            $attrKey   = strtolower( $attrKVarr[0] );
-            unset( $attrKVarr[0] );
-            $attrValue = implode( '=', $attrKVarr );
+            $attrKey   = strtolower($attrKVarr[0]);
+            unset($attrKVarr[0]);
+            $attrValue = implode('=', $attrKVarr);
           }
-          if(( 'attach' == $label ) && ( in_array( $attrKey, array( 'fmttype', 'encoding', 'value' )))) {
+          if (('attach' == $label) && (in_array($attrKey, array('fmttype', 'encoding', 'value')))) {
             $attachInlineBinary = TRUE;
-            if( 'fmttype' == $attrKey )
+            if ('fmttype' == $attrKey)
               $attachfmttype = $attrKey.'='.$attrValue;
             continue;
           }
-          elseif(( 'categories' == $label ) && ( 'language' == $attrKey ))
+          elseif (('categories' == $label) && ('language' == $attrKey))
             $categoriesAttrLang = $attrKey.'='.$attrValue;
           else {
-            $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
-            $attributes .= ( !empty( $attrKey )) ? $attrKey.'=' : null;
-            if(( '"' == substr( $attrValue, 0, 1 )) && ( '"' == substr( $attrValue, -1 ))) {
-              $attrValue = substr( $attrValue, 1, ( strlen( $attrValue ) - 2 ));
-              $attrValue = str_replace( '"', '', $attrValue );
+            $attributes .= (empty($attributes)) ? ' ' : $this->attributeDelimiter.' ';
+            $attributes .= (!empty($attrKey)) ? $attrKey.'=' : null;
+            if (('"' == substr($attrValue, 0, 1)) && ('"' == substr($attrValue, -1))) {
+              $attrValue = substr($attrValue, 1, (strlen($attrValue) - 2));
+              $attrValue = str_replace('"', '', $attrValue);
             }
-            $attributes .= '"'.htmlspecialchars( $attrValue ).'"';
+            $attributes .= '"'.htmlspecialchars($attrValue).'"';
           }
         }
       }
       else {
-        $attributes = str_replace( $this->intAttrDelimiter, $this->attributeDelimiter, $attributes );
+        $attributes = str_replace($this->intAttrDelimiter, $this->attributeDelimiter, $attributes);
       }
     }
-    if(((( 'attach' == $label ) && !$attachInlineBinary ) ||
-         ( in_array( $label, array( 'tzurl', 'url' ))))      && ( 'xcal' == $this->format)) {
+    if (((('attach' == $label) && !$attachInlineBinary) ||
+         (in_array($label, array('tzurl', 'url')))) && ('xcal' == $this->format)) {
       $pos = strrpos($content, "/");
-      $docname = ( $pos !== false) ? substr( $content, (1 - strlen( $content ) + $pos )) : $content;
-      $this->xcaldecl[] = array( 'xmldecl'  => 'ENTITY'
+      $docname = ($pos !== false) ? substr($content, (1 - strlen($content) + $pos)) : $content;
+      $this->xcaldecl[] = array('xmldecl'  => 'ENTITY'
                                , 'uri'      => $docname
                                , 'ref'      => 'SYSTEM'
                                , 'external' => $content
                                , 'type'     => 'NDATA'
-                               , 'type2'    => 'BINERY' );
-      $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
+                               , 'type2'    => 'BINERY');
+      $attributes .= (empty($attributes)) ? ' ' : $this->attributeDelimiter.' ';
       $attributes .= 'uri="'.$docname.'"';
       $content = null;
-      if( 'attach' == $label ) {
-        $attributes = str_replace( $this->attributeDelimiter, $this->intAttrDelimiter, $attributes );
-        $content = $this->_createElement( 'extref', $attributes, null );
+      if ('attach' == $label) {
+        $attributes = str_replace($this->attributeDelimiter, $this->intAttrDelimiter, $attributes);
+        $content = $this->_createElement('extref', $attributes, null);
         $attributes = null;
       }
     }
-    elseif(( 'attach' == $label ) && $attachInlineBinary && ( 'xcal' == $this->format)) {
-      $content = $this->nl.$this->_createElement( 'b64bin', $attachfmttype, $content ); // max one attribute
+    elseif (('attach' == $label) && $attachInlineBinary && ('xcal' == $this->format)) {
+      $content = $this->nl.$this->_createElement('b64bin', $attachfmttype, $content); // max one attribute
     }
     $output .= $attributes;
-    if( !$content ) {
-      switch( $this->format ) {
+    if (!$content) {
+      switch ($this->format) {
         case 'xcal':
           $output .= ' /';
           $output .= $this->elementStart2;
@@ -4075,18 +4075,18 @@ 
           break;
         default:
           $output .= $this->elementStart2.$this->valueInit;
-          return $this->_size75( $output );
+          return $this->_size75($output);
           break;
       }
     }
     $output .= $this->elementStart2;
     $output .= $this->valueInit.$content;
-    switch( $this->format ) {
+    switch ($this->format) {
       case 'xcal':
         return $output.$this->elementEnd1.$label.$this->elementEnd2;
         break;
       default:
-        return $this->_size75( $output );
+        return $this->_size75($output);
         break;
     }
   }
@@ -4099,36 +4099,36 @@ 
  * @param array $ctrKeys optional
  * @return string
  */
-  function _createParams( $params=array(), $ctrKeys=array() ) {
+  function _createParams($params = array(), $ctrKeys = array()) {
     $attrLANG = $attr1 = $attr2 = null;
-    $CNattrKey   = ( in_array( 'CN',       $ctrKeys )) ? TRUE : FALSE ;
-    $LANGattrKey = ( in_array( 'LANGUAGE', $ctrKeys )) ? TRUE : FALSE ;
+    $CNattrKey   = (in_array('CN', $ctrKeys)) ? TRUE : FALSE;
+    $LANGattrKey = (in_array('LANGUAGE', $ctrKeys)) ? TRUE : FALSE;
     $CNattrExist = $LANGattrExist = FALSE;
-    if( is_array( $params )) {
-      foreach( $params as $paramKey => $paramValue ) {
-        if( is_int( $paramKey ))
+    if (is_array($params)) {
+      foreach ($params as $paramKey => $paramValue) {
+        if (is_int($paramKey))
           $attr2            .= $this->intAttrDelimiter.$paramValue;
-        elseif(( 'LANGUAGE' == $paramKey ) && $LANGattrKey ) {
+        elseif (('LANGUAGE' == $paramKey) && $LANGattrKey) {
           $attrLANG         .= $this->intAttrDelimiter."LANGUAGE=$paramValue";
           $LANGattrExist     = TRUE;
         }
-        elseif(( 'CN'       == $paramKey ) && $CNattrKey ) {
+        elseif (('CN' == $paramKey) && $CNattrKey) {
           $attr1             = $this->intAttrDelimiter.'CN="'.$paramValue.'"';
           $CNattrExist       = TRUE;
         }
-        elseif(( 'ALTREP'   == $paramKey ) && in_array( $paramKey, $ctrKeys ))
+        elseif (('ALTREP' == $paramKey) && in_array($paramKey, $ctrKeys))
           $attr2            .= $this->intAttrDelimiter.'ALTREP="'.$paramValue.'"';
-        elseif(( 'DIR'      == $paramKey ) && in_array( $paramKey, $ctrKeys ))
+        elseif (('DIR' == $paramKey) && in_array($paramKey, $ctrKeys))
           $attr2            .= $this->intAttrDelimiter.'DIR="'.$paramValue.'"';
-        elseif(( 'SENT-BY'  == $paramKey ) && in_array( $paramKey, $ctrKeys ))
+        elseif (('SENT-BY' == $paramKey) && in_array($paramKey, $ctrKeys))
           $attr2            .= $this->intAttrDelimiter.'SENT-BY="MAILTO:'.$paramValue.'"';
         else
           $attr2            .= $this->intAttrDelimiter."$paramKey=$paramValue";
       }
     }
-    if( !$LANGattrExist ) {
-      $lang = $this->getConfig( 'language' );
-      if(( $CNattrExist || $LANGattrKey ) && $lang )
+    if (!$LANGattrExist) {
+      $lang = $this->getConfig('language');
+      if (($CNattrExist || $LANGattrKey) && $lang)
         $attrLANG .= $this->intAttrDelimiter.'LANGUAGE='.$lang;
     }
     return $attrLANG.$attr1.$attr2;
@@ -4142,47 +4142,47 @@ 
  * @param int $parno, no of date parts (i.e. year, month.. .)
  * @return array $params, property parameters
  */
-  function _chkdatecfg( $theDate, & $parno, & $params ) {
-    if( isset( $params['TZID'] ))
+  function _chkdatecfg($theDate, & $parno, & $params) {
+    if (isset($params['TZID']))
       $parno = 6;
-    elseif( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] ))
+    elseif (isset($params['VALUE']) && ('DATE' == $params['VALUE']))
       $parno = 3;
     else {
-      if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] ))
+      if (isset($params['VALUE']) && ('PERIOD' == $params['VALUE']))
         $parno = 7;
-      if( is_array( $theDate )) {
-        if( isset( $theDate['timestamp'] ))
-          $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null;
+      if (is_array($theDate)) {
+        if (isset($theDate['timestamp']))
+          $tzid = (isset($theDate['tz'])) ? $theDate['tz'] : null;
         else
-          $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null;
-        if( !empty( $tzid )) {
+          $tzid = (isset($theDate['tz'])) ? $theDate['tz'] : (7 == count($theDate)) ? end($theDate) : null;
+        if (!empty($tzid)) {
           $parno = 7;
-          if( !$this->_isOffset( $tzid ))
+          if (!$this->_isOffset($tzid))
             $params['TZID'] = $tzid; // save only timezone
         }
-        elseif( !$parno && ( 3 == count( $theDate )) && 
-          ( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] )))
+        elseif (!$parno && (3 == count($theDate)) && 
+          (isset($params['VALUE']) && ('DATE' == $params['VALUE'])))
           $parno = 3;
         else
           $parno = 6;
       }
       else { // string
-        $date = trim( $theDate );
-        if( 'Z' == substr( $date, -1 ))
+        $date = trim($theDate);
+        if ('Z' == substr($date, -1))
           $parno = 7; // UTC DATE-TIME
-        elseif((( 8 == strlen( $date ) && ctype_digit( $date )) || ( 11 >= strlen( $date ))) && 
-          ( !isset( $params['VALUE'] ) || !in_array( $params['VALUE'], array( 'DATE-TIME', 'PERIOD' ))))
+        elseif (((8 == strlen($date) && ctype_digit($date)) || (11 >= strlen($date))) && 
+          (!isset($params['VALUE']) || !in_array($params['VALUE'], array('DATE-TIME', 'PERIOD'))))
           $parno = 3; // DATE
-        $date = $this->_date_time_string( $date, $parno );
-        if( !empty( $date['tz'] )) {
+        $date = $this->_date_time_string($date, $parno);
+        if (!empty($date['tz'])) {
           $parno = 7;
-          if( !$this->_isOffset( $date['tz'] ))
+          if (!$this->_isOffset($date['tz']))
             $params['TZID'] = $date['tz']; // save only timezone
         }
-        elseif( empty( $parno ))
+        elseif (empty($parno))
           $parno = 6;
       }
-      if( isset( $params['TZID'] ))
+      if (isset($params['TZID']))
         $parno = 6;
     }
   }
@@ -4197,28 +4197,28 @@ 
  * @param array $duration, optional
  * @return array duration
  */
-  function _date2duration( $startdate=FALSE, $enddate=FALSE ) {
-    if( !$startdate || !$enddate ) {
-      if(   FALSE === ( $startdate = $this->getProperty( 'dtstart' )))
+  function _date2duration($startdate = FALSE, $enddate = FALSE) {
+    if (!$startdate || !$enddate) {
+      if (FALSE === ($startdate = $this->getProperty('dtstart')))
         return null;
-      if(   FALSE === ( $enddate   = $this->getProperty( 'dtend' )))    // vevent/vfreebusy
-        if( FALSE === ( $enddate   = $this->getProperty( 'due' )))      // vtodo
+      if (FALSE === ($enddate   = $this->getProperty('dtend')))    // vevent/vfreebusy
+        if (FALSE === ($enddate   = $this->getProperty('due')))      // vtodo
           return null;
     }
-    if( !$startdate || !$enddate )
+    if (!$startdate || !$enddate)
       return null;
-    $startWdate  = mktime( 0, 0, 0, $startdate['month'], $startdate['day'], $startdate['year'] );
-    $endWdate    = mktime( 0, 0, 0, $enddate['month'],   $enddate['day'],   $enddate['year'] );
+    $startWdate  = mktime(0, 0, 0, $startdate['month'], $startdate['day'], $startdate['year']);
+    $endWdate    = mktime(0, 0, 0, $enddate['month'], $enddate['day'], $enddate['year']);
     $wduration   = $endWdate - $startWdate;
     $dur         = array();
-    $dur['week'] = (int) floor( $wduration / ( 7 * 24 * 60 * 60 ));
-    $wduration   =              $wduration % ( 7 * 24 * 60 * 60 );
-    $dur['day']  = (int) floor( $wduration / ( 24 * 60 * 60 ));
-    $wduration   =              $wduration % ( 24 * 60 * 60 );
-    $dur['hour'] = (int) floor( $wduration / ( 60 * 60 ));
-    $wduration   =              $wduration % ( 60 * 60 );
-    $dur['min']  = (int) floor( $wduration / ( 60 ));
-    $dur['sec']  = (int)        $wduration % ( 60 );
+    $dur['week'] = (int) floor($wduration / (7 * 24 * 60 * 60));
+    $wduration   = $wduration % (7 * 24 * 60 * 60);
+    $dur['day']  = (int) floor($wduration / (24 * 60 * 60));
+    $wduration   = $wduration % (24 * 60 * 60);
+    $dur['hour'] = (int) floor($wduration / (60 * 60));
+    $wduration   = $wduration % (60 * 60);
+    $dur['min']  = (int) floor($wduration / (60));
+    $dur['sec']  = (int) $wduration % (60);
     return $dur;
   }
 /**
@@ -4230,19 +4230,19 @@ 
  * @param string $tz        timezone
  * @return timestamp
  */
-  function _date2timestamp( $datetime, $tz=null ) {
+  function _date2timestamp($datetime, $tz = null) {
     $output = null;
-    if( !isset( $datetime['hour'] )) $datetime['hour'] = '0';
-    if( !isset( $datetime['min'] ))  $datetime['min']  = '0';
-    if( !isset( $datetime['sec'] ))  $datetime['sec']  = '0';
-    foreach( $datetime as $dkey => $dvalue ) {
-      if( 'tz' != $dkey )
+    if (!isset($datetime['hour'])) $datetime['hour'] = '0';
+    if (!isset($datetime['min']))  $datetime['min']  = '0';
+    if (!isset($datetime['sec']))  $datetime['sec']  = '0';
+    foreach ($datetime as $dkey => $dvalue) {
+      if ('tz' != $dkey)
         $datetime[$dkey] = (integer) $dvalue;
     }
-    if( $tz )
+    if ($tz)
       $datetime['tz'] = $tz;
-    $offset = ( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) ? $this->_tz2offset( $datetime['tz'] ) : 0;
-    $output = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year'] );
+    $offset = (isset($datetime['tz']) && ('' < trim($datetime['tz']))) ? $this->_tz2offset($datetime['tz']) : 0;
+    $output = mktime($datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']);
     return $output;
   }
 /**
@@ -4254,16 +4254,16 @@ 
  * @param int $parno optional, default FALSE
  * @return array
  */
-  function _date_time_array( $datetime, $parno=FALSE ) {
+  function _date_time_array($datetime, $parno = FALSE) {
     $output = array();
-    foreach( $datetime as $dateKey => $datePart ) {
-      switch ( $dateKey ) {
+    foreach ($datetime as $dateKey => $datePart) {
+      switch ($dateKey) {
         case '0': case 'year':   $output['year']  = $datePart; break;
         case '1': case 'month':  $output['month'] = $datePart; break;
         case '2': case 'day':    $output['day']   = $datePart; break;
       }
-      if( 3 != $parno ) {
-        switch ( $dateKey ) {
+      if (3 != $parno) {
+        switch ($dateKey) {
           case '0':
           case '1':
           case '2': break;
@@ -4274,12 +4274,12 @@ 
         }
       }
     }
-    if( 3 != $parno ) {
-      if( !isset( $output['hour'] ))
+    if (3 != $parno) {
+      if (!isset($output['hour']))
         $output['hour'] = 0;
-      if( !isset( $output['min']  ))
+      if (!isset($output['min']))
         $output['min'] = 0;
-      if( !isset( $output['sec']  ))
+      if (!isset($output['sec']))
         $output['sec'] = 0;
     }
     return $output;
@@ -4293,88 +4293,88 @@ 
  * @param int $parno optional, default FALSE
  * @return array
  */
-  function _date_time_string( $datetime, $parno=FALSE ) {
-    $datetime = (string) trim( $datetime );
+  function _date_time_string($datetime, $parno = FALSE) {
+    $datetime = (string) trim($datetime);
     $tz  = null;
-    $len = strlen( $datetime ) - 1;
-    if( 'Z' == substr( $datetime, -1 )) {
+    $len = strlen($datetime) - 1;
+    if ('Z' == substr($datetime, -1)) {
       $tz = 'Z';
-      $datetime = trim( substr( $datetime, 0, $len ));
+      $datetime = trim(substr($datetime, 0, $len));
     }
-    elseif( ( ctype_digit( substr( $datetime, -2, 2 ))) && // time or date
-                  ( '-' == substr( $datetime, -3, 1 )) ||
-                  ( ':' == substr( $datetime, -3, 1 )) ||
-                  ( '.' == substr( $datetime, -3, 1 ))) {
+    elseif ((ctype_digit(substr($datetime, -2, 2))) && // time or date
+                  ('-' == substr($datetime, -3, 1)) ||
+                  (':' == substr($datetime, -3, 1)) ||
+                  ('.' == substr($datetime, -3, 1))) {
       $continue = TRUE;
     }
-    elseif( ( ctype_digit( substr( $datetime, -4, 4 ))) && // 4 pos offset
-            ( ' +' == substr( $datetime, -6, 2 )) ||
-            ( ' -' == substr( $datetime, -6, 2 ))) {
-      $tz = substr( $datetime, -5, 5 );
-      $datetime = substr( $datetime, 0, ($len - 5));
+    elseif ((ctype_digit(substr($datetime, -4, 4))) && // 4 pos offset
+            (' +' == substr($datetime, -6, 2)) ||
+            (' -' == substr($datetime, -6, 2))) {
+      $tz = substr($datetime, -5, 5);
+      $datetime = substr($datetime, 0, ($len - 5));
     }
-    elseif( ( ctype_digit( substr( $datetime, -6, 6 ))) && // 6 pos offset
-            ( ' +' == substr( $datetime, -8, 2 )) ||
-            ( ' -' == substr( $datetime, -8, 2 ))) {
-      $tz = substr( $datetime, -7, 7 );
-      $datetime = substr( $datetime, 0, ($len - 7));
+    elseif ((ctype_digit(substr($datetime, -6, 6))) && // 6 pos offset
+            (' +' == substr($datetime, -8, 2)) ||
+            (' -' == substr($datetime, -8, 2))) {
+      $tz = substr($datetime, -7, 7);
+      $datetime = substr($datetime, 0, ($len - 7));
     }
-    elseif( ( 6 < $len ) && ( ctype_digit( substr( $datetime, -6, 6 )))) {
+    elseif ((6 < $len) && (ctype_digit(substr($datetime, -6, 6)))) {
       $continue = TRUE;
     }
-    elseif( 'T' ==  substr( $datetime, -7, 1 )) {
+    elseif ('T' == substr($datetime, -7, 1)) {
       $continue = TRUE;
     }
     else {
-      $cx  = $tx = 0;    //  19970415T133000 US-Eastern
-      for( $cx = -1; $cx > ( 9 - $len ); $cx-- ) {
-        if(( ' ' == substr( $datetime, $cx, 1 )) || ctype_digit( substr( $datetime, $cx, 1 )))
+      $cx = $tx = 0; //  19970415T133000 US-Eastern
+      for ($cx = -1; $cx > (9 - $len); $cx--) {
+        if ((' ' == substr($datetime, $cx, 1)) || ctype_digit(substr($datetime, $cx, 1)))
           break; // if exists, tz ends here.. . ?
-        elseif( ctype_alpha( substr( $datetime, $cx, 1 )) ||
-             ( in_array( substr( $datetime, $cx, 1 ), array( '-', '/' ))))
+        elseif (ctype_alpha(substr($datetime, $cx, 1)) ||
+             (in_array(substr($datetime, $cx, 1), array('-', '/'))))
           $tx--; // tz length counter
       }
-      if( 0 > $tx ) {
-        $tz = substr( $datetime, $tx );
-        $datetime = trim( substr( $datetime, 0, $len + $tx + 1 ));
+      if (0 > $tx) {
+        $tz = substr($datetime, $tx);
+        $datetime = trim(substr($datetime, 0, $len + $tx + 1));
       }
     }
-    if( 0 < substr_count( $datetime, '-' )) {
-      $datetime = str_replace( '-', '/', $datetime );
-    }
-    elseif( ctype_digit( substr( $datetime, 0, 8 )) &&
-           ( 'T' ==      substr( $datetime, 8, 1 )) &&
-            ctype_digit( substr( $datetime, 9, 6 ))) {
-      $datetime = substr( $datetime,  4, 2 )
-             .'/'.substr( $datetime,  6, 2 )
-             .'/'.substr( $datetime,  0, 4 )
-             .' '.substr( $datetime,  9, 2 )
-             .':'.substr( $datetime, 11, 2 )
-             .':'.substr( $datetime, 13);
-    }
-    $datestring = date( 'Y-m-d H:i:s', strtotime( $datetime ));
-    $tz                = trim( $tz );
+    if (0 < substr_count($datetime, '-')) {
+      $datetime = str_replace('-', '/', $datetime);
+    }
+    elseif (ctype_digit(substr($datetime, 0, 8)) &&
+           ('T' == substr($datetime, 8, 1)) &&
+            ctype_digit(substr($datetime, 9, 6))) {
+      $datetime = substr($datetime, 4, 2)
+             .'/'.substr($datetime, 6, 2)
+             .'/'.substr($datetime, 0, 4)
+             .' '.substr($datetime, 9, 2)
+             .':'.substr($datetime, 11, 2)
+             .':'.substr($datetime, 13);
+    }
+    $datestring = date('Y-m-d H:i:s', strtotime($datetime));
+    $tz                = trim($tz);
     $output            = array();
-    $output['year']    = substr( $datestring, 0, 4 );
-    $output['month']   = substr( $datestring, 5, 2 );
-    $output['day']     = substr( $datestring, 8, 2 );
-    if(( 6 == $parno ) || ( 7 == $parno )) {
-      $output['hour']  = substr( $datestring, 11, 2 );
-      $output['min']   = substr( $datestring, 14, 2 );
-      $output['sec']   = substr( $datestring, 17, 2 );
-      if( !empty( $tz ))
+    $output['year']    = substr($datestring, 0, 4);
+    $output['month']   = substr($datestring, 5, 2);
+    $output['day']     = substr($datestring, 8, 2);
+    if ((6 == $parno) || (7 == $parno)) {
+      $output['hour']  = substr($datestring, 11, 2);
+      $output['min']   = substr($datestring, 14, 2);
+      $output['sec']   = substr($datestring, 17, 2);
+      if (!empty($tz))
         $output['tz']  = $tz;
     }
-    elseif( 3 != $parno ) {
-      if(( '00' < substr( $datestring, 11, 2 )) ||
-         ( '00' < substr( $datestring, 14, 2 )) ||
-         ( '00' < substr( $datestring, 17, 2 ))) {
-        $output['hour']  = substr( $datestring, 11, 2 );
-        $output['min']   = substr( $datestring, 14, 2 );
-        $output['sec']   = substr( $datestring, 17, 2 );
+    elseif (3 != $parno) {
+      if (('00' < substr($datestring, 11, 2)) ||
+         ('00' < substr($datestring, 14, 2)) ||
+         ('00' < substr($datestring, 17, 2))) {
+        $output['hour']  = substr($datestring, 11, 2);
+        $output['min']   = substr($datestring, 14, 2);
+        $output['sec']   = substr($datestring, 17, 2);
       }
-      if( !empty( $tz ))
-        $output['tz']  = $tz;
+      if (!empty($tz))
+        $output['tz'] = $tz;
     }
     return $output;
   }
@@ -4386,26 +4386,26 @@ 
  * @param array $duration
  * @return array
  */
-  function _duration_array( $duration ) {
+  function _duration_array($duration) {
     $output = array();
-    if(    is_array( $duration )        &&
-       ( 1 == count( $duration ))       &&
-              isset( $duration['sec'] ) &&
-              ( 60 < $duration['sec'] )) {
+    if (is_array($duration) &&
+       (1 == count($duration)) &&
+              isset($duration['sec']) &&
+              (60 < $duration['sec'])) {
       $durseconds  = $duration['sec'];
-      $output['week'] = floor( $durseconds / ( 60 * 60 * 24 * 7 ));
-      $durseconds  =           $durseconds % ( 60 * 60 * 24 * 7 );
-      $output['day']  = floor( $durseconds / ( 60 * 60 * 24 ));
-      $durseconds  =           $durseconds % ( 60 * 60 * 24 );
-      $output['hour'] = floor( $durseconds / ( 60 * 60 ));
-      $durseconds  =           $durseconds % ( 60 * 60 );
-      $output['min']  = floor( $durseconds / ( 60 ));
-      $output['sec']  =      ( $durseconds % ( 60 ));
+      $output['week'] = floor($durseconds / (60 * 60 * 24 * 7));
+      $durseconds  = $durseconds % (60 * 60 * 24 * 7);
+      $output['day']  = floor($durseconds / (60 * 60 * 24));
+      $durseconds  = $durseconds % (60 * 60 * 24);
+      $output['hour'] = floor($durseconds / (60 * 60));
+      $durseconds  = $durseconds % (60 * 60);
+      $output['min']  = floor($durseconds / (60));
+      $output['sec']  = ($durseconds % (60));
     }
     else {
-      foreach( $duration as $durKey => $durValue ) {
-        if( empty( $durValue )) continue;
-        switch ( $durKey ) {
+      foreach ($duration as $durKey => $durValue) {
+        if (empty($durValue)) continue;
+        switch ($durKey) {
           case '0': case 'week': $output['week']  = $durValue; break;
           case '1': case 'day':  $output['day']   = $durValue; break;
           case '2': case 'hour': $output['hour']  = $durValue; break;
@@ -4414,19 +4414,19 @@ 
         }
       }
     }
-    if( isset( $output['week'] ) && ( 0 < $output['week'] )) {
-      unset( $output['day'], $output['hour'], $output['min'], $output['sec'] );
+    if (isset($output['week']) && (0 < $output['week'])) {
+      unset($output['day'], $output['hour'], $output['min'], $output['sec']);
       return $output;
     }
-    unset( $output['week'] );
-    if( empty( $output['day'] ))
-      unset( $output['day'] );
-    if ( isset( $output['hour'] ) || isset( $output['min'] ) || isset( $output['sec'] )) {
-      if( !isset( $output['hour'] )) $output['hour'] = 0;
-      if( !isset( $output['min']  )) $output['min']  = 0;
-      if( !isset( $output['sec']  )) $output['sec']  = 0;
-      if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] ))
-        unset( $output['hour'], $output['min'], $output['sec'] );
+    unset($output['week']);
+    if (empty($output['day']))
+      unset($output['day']);
+    if (isset($output['hour']) || isset($output['min']) || isset($output['sec'])) {
+      if (!isset($output['hour'])) $output['hour'] = 0;
+      if (!isset($output['min'])) $output['min']  = 0;
+      if (!isset($output['sec'])) $output['sec']  = 0;
+      if ((0 == $output['hour']) && (0 == $output['min']) && (0 == $output['sec']))
+        unset($output['hour'], $output['min'], $output['sec']);
     }
     return $output;
   }
@@ -4439,43 +4439,43 @@ 
  * @param array $duration, optional
  * @return array, date format
  */
-  function duration2date( $startdate=FALSE, $duration=FALSE ) {
-    if( $startdate && $duration ) {
+  function duration2date($startdate = FALSE, $duration = FALSE) {
+    if ($startdate && $duration) {
       $d1               = $startdate;
       $dur              = $duration;
     }
-    elseif( isset( $this->dtstart['value'] ) && isset( $this->duration['value'] )) {
+    elseif (isset($this->dtstart['value']) && isset($this->duration['value'])) {
       $d1               = $this->dtstart['value'];
       $dur              = $this->duration['value'];
     }
     else
       return null;
-    $dateOnly         = ( isset( $d1['hour'] ) || isset( $d1['min'] ) || isset( $d1['sec'] )) ? FALSE : TRUE;
-    $d1['hour']       = ( isset( $d1['hour'] )) ? $d1['hour'] : 0;
-    $d1['min']        = ( isset( $d1['min'] ))  ? $d1['min']  : 0;
-    $d1['sec']        = ( isset( $d1['sec'] ))  ? $d1['sec']  : 0;
-    $dtend = mktime( $d1['hour'], $d1['min'], $d1['sec'], $d1['month'], $d1['day'], $d1['year'] );
-    if( isset( $dur['week'] ))
-      $dtend += ( $dur['week'] * 7 * 24 * 60 * 60 );
-    if( isset( $dur['day'] ))
-      $dtend += ( $dur['day'] * 24 * 60 * 60 );
-    if( isset( $dur['hour'] ))
-      $dtend += ( $dur['hour'] * 60 *60 );
-    if( isset( $dur['min'] ))
-      $dtend += ( $dur['min'] * 60 );
-    if( isset( $dur['sec'] ))
-      $dtend +=   $dur['sec'];
+    $dateOnly         = (isset($d1['hour']) || isset($d1['min']) || isset($d1['sec'])) ? FALSE : TRUE;
+    $d1['hour']       = (isset($d1['hour'])) ? $d1['hour'] : 0;
+    $d1['min']        = (isset($d1['min'])) ? $d1['min'] : 0;
+    $d1['sec']        = (isset($d1['sec'])) ? $d1['sec'] : 0;
+    $dtend = mktime($d1['hour'], $d1['min'], $d1['sec'], $d1['month'], $d1['day'], $d1['year']);
+    if (isset($dur['week']))
+      $dtend += ($dur['week'] * 7 * 24 * 60 * 60);
+    if (isset($dur['day']))
+      $dtend += ($dur['day'] * 24 * 60 * 60);
+    if (isset($dur['hour']))
+      $dtend += ($dur['hour'] * 60 * 60);
+    if (isset($dur['min']))
+      $dtend += ($dur['min'] * 60);
+    if (isset($dur['sec']))
+      $dtend += $dur['sec'];
     $dtend2 = array();
-    $dtend2['year']   = date('Y', $dtend );
-    $dtend2['month']  = date('m', $dtend );
-    $dtend2['day']    = date('d', $dtend );
-    $dtend2['hour']   = date('H', $dtend );
-    $dtend2['min']    = date('i', $dtend );
-    $dtend2['sec']    = date('s', $dtend );
-    if( isset( $d1['tz'] ))
+    $dtend2['year']   = date('Y', $dtend);
+    $dtend2['month']  = date('m', $dtend);
+    $dtend2['day']    = date('d', $dtend);
+    $dtend2['hour']   = date('H', $dtend);
+    $dtend2['min']    = date('i', $dtend);
+    $dtend2['sec']    = date('s', $dtend);
+    if (isset($d1['tz']))
       $dtend2['tz']   = $d1['tz'];
-    if( $dateOnly && (( 0 == $dtend2['hour'] ) && ( 0 == $dtend2['min'] ) && ( 0 == $dtend2['sec'] )))
-      unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] );
+    if ($dateOnly && ((0 == $dtend2['hour']) && (0 == $dtend2['min']) && (0 == $dtend2['sec'])))
+      unset($dtend2['hour'], $dtend2['min'], $dtend2['sec']);
     return $dtend2;
   }
 /**
@@ -4486,21 +4486,21 @@ 
  * @param string $duration
  * @return array
  */
-  function _duration_string( $duration ) {
-   $duration = (string) trim( $duration );
-   while( 'P' != strtoupper( substr( $duration, 0, 1 ))) {
-     if( 0 < strlen( $duration ))
-       $duration = substr( $duration, 1 );
+  function _duration_string($duration) {
+   $duration = (string) trim($duration);
+   while ('P' != strtoupper(substr($duration, 0, 1))) {
+     if (0 < strlen($duration))
+       $duration = substr($duration, 1);
      else
        return false; // no leading P !?!?
    }
-   $duration = substr( $duration, 1 ); // skip P
-   $duration = str_replace ( 't', 'T', $duration );
-   $duration = str_replace ( 'T', '', $duration );
+   $duration = substr($duration, 1); // skip P
+   $duration = str_replace('t', 'T', $duration);
+   $duration = str_replace('T', '', $duration);
    $output = array();
    $val    = null;
-   for( $ix=0; $ix < strlen( $duration ); $ix++ ) {
-     switch( strtoupper( $duration{$ix} )) {
+   for ($ix = 0; $ix < strlen($duration); $ix++) {
+     switch (strtoupper($duration{$ix} )) {
       case 'W':
         $output['week'] = $val;
         $val            = null;
@@ -4522,13 +4522,13 @@ 
         $val            = null;
         break;
       default:
-        if( !ctype_digit( $duration{$ix} ))
+        if (!ctype_digit($duration{$ix} ))
           return false; // unknown duration controll character  !?!?
         else
           $val .= $duration{$ix};
      }
    }
-   return $this->_duration_array( $output );
+   return $this->_duration_array($output);
   }
 /**
  * if not preSet, if exist, remove key with expected value from array and return hit value else return elseValue
@@ -4543,15 +4543,15 @@ 
  * @param int $preSet optional, return value if already preset
  * @return int
  */
-  function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) {
-    if( $preSet )
+  function _existRem(&$array, $expkey, $expval = FALSE, $hitVal = null, $elseVal = null, $preSet = null) {
+    if ($preSet)
       return $preSet;
-    if( !is_array( $array ) || ( 0 == count( $array )))
+    if (!is_array($array) || (0 == count($array)))
       return $elseVal;
-    foreach( $array as $key => $value ) {
-      if( strtoupper( $expkey ) == strtoupper( $key )) {
-        if( !$expval || ( strtoupper( $expval ) == strtoupper( $array[$key] ))) {
-          unset( $array[$key] );
+    foreach ($array as $key => $value) {
+      if (strtoupper($expkey) == strtoupper($key)) {
+        if (!$expval || (strtoupper($expval) == strtoupper($array[$key]))) {
+          unset($array[$key]);
           return $hitVal;
         }
       }
@@ -4567,48 +4567,48 @@ 
  * @param int     $parno, optional, default 6
  * @return string
  */
-  function _format_date_time( $datetime, $parno=6 ) {
-    if( !isset( $datetime['year'] )  &&
-        !isset( $datetime['month'] ) &&
-        !isset( $datetime['day'] )   &&
-        !isset( $datetime['hour'] )  &&
-        !isset( $datetime['min'] )   &&
-        !isset( $datetime['sec'] ))
-      return ;
+  function _format_date_time($datetime, $parno = 6) {
+    if (!isset($datetime['year']) &&
+        !isset($datetime['month']) &&
+        !isset($datetime['day']) &&
+        !isset($datetime['hour']) &&
+        !isset($datetime['min']) &&
+        !isset($datetime['sec']))
+      return;
     $output = null;
     // if( !isset( $datetime['day'] )) { $o=''; foreach($datetime as $k=>$v) {if(is_array($v)) $v=implode('-',$v);$o.=" $k=>$v";} echo " day SAKNAS : $o <br />\n"; }
-    foreach( $datetime as $dkey => $dvalue ) {
-      if( 'tz' != $dkey )
+    foreach ($datetime as $dkey => $dvalue) {
+      if ('tz' != $dkey)
         $datetime[$dkey] = (integer) $dvalue;
     }
-    $output = date('Ymd', mktime( 0, 0, 0, $datetime['month'], $datetime['day'], $datetime['year']));
-    if( isset( $datetime['hour'] )  ||
-        isset( $datetime['min'] )   ||
-        isset( $datetime['sec'] )   ||
-        isset( $datetime['tz'] )) {
-      if( isset( $datetime['tz'] )  &&
-         !isset( $datetime['hour'] ))
+    $output = date('Ymd', mktime(0, 0, 0, $datetime['month'], $datetime['day'], $datetime['year']));
+    if (isset($datetime['hour']) ||
+        isset($datetime['min']) ||
+        isset($datetime['sec']) ||
+        isset($datetime['tz'])) {
+      if (isset($datetime['tz']) &&
+         !isset($datetime['hour']))
         $datetime['hour'] = 0;
-      if( isset( $datetime['hour'] )  &&
-         !isset( $datetime['min'] ))
+      if (isset($datetime['hour']) &&
+         !isset($datetime['min']))
         $datetime['min'] = 0;
-      if( isset( $datetime['hour'] )  &&
-          isset( $datetime['min'] )   &&
-         !isset( $datetime['sec'] ))
+      if (isset($datetime['hour']) &&
+          isset($datetime['min']) &&
+         !isset($datetime['sec']))
         $datetime['sec'] = 0;
-      $date = mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year']);
-      $output .= date('\THis', $date );
-      if( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) {
-        $datetime['tz'] = trim( $datetime['tz'] );
-        if( 'Z' == $datetime['tz'] )
+      $date = mktime($datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year']);
+      $output .= date('\THis', $date);
+      if (isset($datetime['tz']) && ('' < trim($datetime['tz']))) {
+        $datetime['tz'] = trim($datetime['tz']);
+        if ('Z' == $datetime['tz'])
           $output .= 'Z';
-        $offset = $this->_tz2offset( $datetime['tz'] );
-        if( 0 != $offset ) {
-          $date = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']);
-          $output    = date( 'Ymd\THis\Z', $date );
+        $offset = $this->_tz2offset($datetime['tz']);
+        if (0 != $offset) {
+          $date = mktime($datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']);
+          $output = date('Ymd\THis\Z', $date);
         }
       }
-      elseif( 7 == $parno )
+      elseif (7 == $parno)
         $output .= 'Z';
     }
     return $output;
@@ -4621,26 +4621,26 @@ 
  * @param array $duration ( week, day, hour, min, sec )
  * @return string
  */
-  function _format_duration( $duration ) {
-    if( !isset( $duration['week'] ) &&
-        !isset( $duration['day'] )  &&
-        !isset( $duration['hour'] ) &&
-        !isset( $duration['min'] )  &&
-        !isset( $duration['sec'] ))
+  function _format_duration($duration) {
+    if (!isset($duration['week']) &&
+        !isset($duration['day']) &&
+        !isset($duration['hour']) &&
+        !isset($duration['min']) &&
+        !isset($duration['sec']))
       return;
     $output = 'P';
-    if( isset( $duration['week'] ) && ( 0 < $duration['week'] ))
+    if (isset($duration['week']) && (0 < $duration['week']))
       $output   .= $duration['week'].'W';
     else {
-      if( isset($duration['day'] ) && ( 0 < $duration['day'] ))
+      if (isset($duration['day']) && (0 < $duration['day']))
         $output .= $duration['day'].'D';
-      if(( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ||
-         ( isset( $duration['min'])  && ( 0 < $duration['min'] ))  ||
-         ( isset( $duration['sec'])  && ( 0 < $duration['sec'] ))) {
+      if ((isset($duration['hour']) && (0 < $duration['hour'])) ||
+         (isset($duration['min']) && (0 < $duration['min'])) ||
+         (isset($duration['sec']) && (0 < $duration['sec']))) {
         $output .= 'T';
-        $output .= ( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ? $duration['hour'].'H' : '0H';
-        $output .= ( isset( $duration['min'])  && ( 0 < $duration['min'] ))  ? $duration['min']. 'M' : '0M';
-        $output .= ( isset( $duration['sec'])  && ( 0 < $duration['sec'] ))  ? $duration['sec']. 'S' : '0S';
+        $output .= (isset($duration['hour']) && (0 < $duration['hour'])) ? $duration['hour'].'H' : '0H';
+        $output .= (isset($duration['min']) && (0 < $duration['min'])) ? $duration['min'].'M' : '0M';
+        $output .= (isset($duration['sec']) && (0 < $duration['sec'])) ? $duration['sec'].'S' : '0S';
       }
     }
     return $output;
@@ -4654,24 +4654,24 @@ 
  * @param array $recurdata
  * @return string
  */
-  function _format_recur( $recurlabel, $recurdata ) {
+  function _format_recur($recurlabel, $recurdata) {
     $output = null;
-    foreach( $recurdata as $therule ) {
-      if( empty( $therule['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $recurlabel );
+    foreach ($recurdata as $therule) {
+      if (empty($therule['value'])) {
+        if ($this->getConfig('allowEmpty')) $output .= $this->_createElement($recurlabel);
         continue;
       }
-      $attributes = ( isset( $therule['params'] )) ? $this->_createParams( $therule['params'] ) : null;
-      $content1  = $content2  = null;
-      foreach( $therule['value'] as $rulelabel => $rulevalue ) {
-        switch( $rulelabel ) {
+      $attributes = (isset($therule['params'])) ? $this->_createParams($therule['params']) : null;
+      $content1 = $content2 = null;
+      foreach ($therule['value'] as $rulelabel => $rulevalue) {
+        switch ($rulelabel) {
           case 'FREQ': {
             $content1 .= "FREQ=$rulevalue";
             break;
           }
           case 'UNTIL': {
             $content2 .= ";UNTIL=";
-            $content2 .= $this->_format_date_time( $rulevalue );
+            $content2 .= $this->_format_date_time($rulevalue);
             break;
           }
           case 'COUNT':
@@ -4689,9 +4689,9 @@ 
           case 'BYMONTH':
           case 'BYSETPOS': {
             $content2 .= ";$rulelabel=";
-            if( is_array( $rulevalue )) {
-              foreach( $rulevalue as $vix => $valuePart ) {
-                $content2 .= ( $vix ) ? ',' : null;
+            if (is_array($rulevalue)) {
+              foreach ($rulevalue as $vix => $valuePart) {
+                $content2 .= ($vix) ? ',' : null;
                 $content2 .= $valuePart;
               }
             }
@@ -4702,12 +4702,12 @@ 
           case 'BYDAY': {
             $content2 .= ";$rulelabel=";
             $bydaycnt = 0;
-            foreach( $rulevalue as $vix => $valuePart ) {
+            foreach ($rulevalue as $vix => $valuePart) {
               $content21 = $content22 = null;
-              if( is_array( $valuePart )) {
-                $content2 .= ( $bydaycnt ) ? ',' : null;
-                foreach( $valuePart as $vix2 => $valuePart2 ) {
-                  if( 'DAY' != strtoupper( $vix2 ))
+              if (is_array($valuePart)) {
+                $content2 .= ($bydaycnt) ? ',' : null;
+                foreach ($valuePart as $vix2 => $valuePart2) {
+                  if ('DAY' != strtoupper($vix2))
                       $content21 .= $valuePart2;
                   else
                     $content22 .= $valuePart2;
@@ -4716,8 +4716,8 @@ 
                 $bydaycnt++;
               }
               else {
-                $content2 .= ( $bydaycnt ) ? ',' : null;
-                if( 'DAY' != strtoupper( $vix ))
+                $content2 .= ($bydaycnt) ? ',' : null;
+                if ('DAY' != strtoupper($vix))
                     $content21 .= $valuePart;
                 else {
                   $content22 .= $valuePart;
@@ -4734,7 +4734,7 @@ 
           }
         }
       }
-      $output .= $this->_createElement( $recurlabel, $attributes, $content1.$content2 );
+      $output .= $this->_createElement($recurlabel, $attributes, $content1.$content2);
     }
     return $output;
   }
@@ -4746,13 +4746,13 @@ 
  * @param string $propertyName
  * @return string
  */
-  function _formatPropertyName( $propertyName ) {
-    switch( $this->format ) {
+  function _formatPropertyName($propertyName) {
+    switch ($this->format) {
       case 'xcal':
-        return strtolower( $propertyName );
+        return strtolower($propertyName);
         break;
       default:
-        return strtoupper( $propertyName );
+        return strtoupper($propertyName);
         break;
     }
   }
@@ -4764,25 +4764,25 @@ 
  * @param array $input
  * @return bool
  */
-  function _isArrayDate( $input ) {
-    if( isset( $input['week'] ) || ( !in_array( count( $input ), array( 3, 6, 7 ))))
+  function _isArrayDate($input) {
+    if (isset($input['week']) || (!in_array(count($input), array(3, 6, 7))))
       return FALSE;
-    if( 7 == count( $input ))
+    if (7 == count($input))
       return TRUE;
-    if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] ))
-      return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
-    if( isset( $input['day'] ) || isset( $input['hour'] ) || isset( $input['min'] ) || isset( $input['sec'] ))
+    if (isset($input['year']) && isset($input['month']) && isset($input['day']))
+      return checkdate((int) $input['month'], (int) $input['day'], (int) $input['year']);
+    if (isset($input['day']) || isset($input['hour']) || isset($input['min']) || isset($input['sec']))
       return FALSE;
-    if( in_array( 0, $input ))
+    if (in_array(0, $input))
       return FALSE;
-    if(( 1970 > $input[0] ) || ( 12 < $input[1] ) || ( 31 < $input[2] ))
+    if ((1970 > $input[0]) || (12 < $input[1]) || (31 < $input[2]))
       return FALSE;
-    if(( isset( $input[0] ) && isset( $input[1] ) && isset( $input[2] )) &&
-         checkdate( (int) $input[1], (int) $input[2], (int) $input[0] ))
+    if ((isset($input[0]) && isset($input[1]) && isset($input[2])) &&
+         checkdate((int) $input[1], (int) $input[2], (int) $input[0]))
       return TRUE;
-    $input = $this->_date_time_string( $input[1].'/'.$input[2].'/'.$input[0], 3 ); //  m - d - Y
-    if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] ))
-      return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
+    $input = $this->_date_time_string($input[1].'/'.$input[2].'/'.$input[0], 3); //  m - d - Y
+    if (isset($input['year']) && isset($input['month']) && isset($input['day']))
+      return checkdate((int) $input['month'], (int) $input['day'], (int) $input['year']);
     return FALSE;
   }
 /**
@@ -4793,8 +4793,8 @@ 
  * @param array $input
  * @return bool
  */
-  function _isArrayTimestampDate( $input ) {
-    return ( is_array( $input ) && isset( $input['timestamp'] )) ? TRUE : FALSE ;
+  function _isArrayTimestampDate($input) {
+    return (is_array($input) && isset($input['timestamp'])) ? TRUE : FALSE;
   }
 /**
  * controll if input string contains traling UTC offset
@@ -4804,17 +4804,17 @@ 
  * @param string $input
  * @return bool
  */
-  function _isOffset( $input ) {
-    $input         = trim( (string) $input );
-    if( 'Z' == substr( $input, -1 ))
+  function _isOffset($input) {
+    $input = trim((string) $input);
+    if ('Z' == substr($input, -1))
       return TRUE;
-    elseif((   5 <= strlen( $input )) &&
-       ( in_array( substr( $input, -5, 1 ), array( '+', '-' ))) &&
-       (   '0000'  < substr( $input, -4 )) && (   '9999' >= substr( $input, -4 )))
+    elseif ((5 <= strlen($input)) &&
+       (in_array(substr($input, -5, 1), array('+', '-'))) &&
+       ('0000' < substr($input, -4)) && ('9999' >= substr($input, -4)))
       return TRUE;
-    elseif((    7 <= strlen( $input )) &&
-       ( in_array( substr( $input, -7, 1 ), array( '+', '-' ))) &&
-       ( '000000'  < substr( $input, -6 )) && ( '999999' >= substr( $input, -6 )))
+    elseif ((7 <= strlen($input)) &&
+       (in_array(substr($input, -7, 1), array('+', '-'))) &&
+       ('000000' < substr($input, -6)) && ('999999' >= substr($input, -6)))
       return TRUE;
     return FALSE;
 
@@ -4827,15 +4827,15 @@ 
  * @param string $propName
  * @return bool
  */
-  function _notExistProp( $propName ) {
-    if( empty( $propName )) return FALSE; // when deleting x-prop, an empty propName may be used=allowed
-    $propName = strtolower( $propName );
-    if(     'last-modified'    == $propName )  { if( !isset( $this->lastmodified ))    return TRUE; }
-    elseif( 'percent-complete' == $propName )  { if( !isset( $this->percentcomplete )) return TRUE; }
-    elseif( 'recurrence-id'    == $propName )  { if( !isset( $this->recurrenceid ))    return TRUE; }
-    elseif( 'related-to'       == $propName )  { if( !isset( $this->relatedto ))       return TRUE; }
-    elseif( 'request-status'   == $propName )  { if( !isset( $this->requeststatus ))   return TRUE; }
-    elseif((       'x-' != substr($propName,0,2)) && !isset( $this->$propName ))       return TRUE;
+  function _notExistProp($propName) {
+    if (empty($propName)) return FALSE; // when deleting x-prop, an empty propName may be used=allowed
+    $propName = strtolower($propName);
+    if ('last-modified' == $propName) { if (!isset($this->lastmodified))    return TRUE; }
+    elseif ('percent-complete' == $propName) { if (!isset($this->percentcomplete)) return TRUE; }
+    elseif ('recurrence-id' == $propName) { if (!isset($this->recurrenceid))    return TRUE; }
+    elseif ('related-to' == $propName) { if (!isset($this->relatedto))       return TRUE; }
+    elseif ('request-status' == $propName) { if (!isset($this->requeststatus))   return TRUE; }
+    elseif (('x-' != substr($propName, 0, 2)) && !isset($this->$propName))       return TRUE;
     return FALSE;
   }
 /**
@@ -4853,101 +4853,101 @@ 
  * @return array of recurrence (start-)dates as index
  * @todo BYHOUR, BYMINUTE, BYSECOND, ev. BYSETPOS due to ambiguity, WEEKLY at year end/start
  */
-  function _recur2date( & $result, $recur, $wdate, $startdate, $enddate=FALSE ) {
-    foreach( $wdate as $k => $v ) if( ctype_digit( $v )) $wdate[$k] = (int) $v;
-    $wdatets     = $this->_date2timestamp( $wdate );
-    $startdatets = $this->_date2timestamp( $startdate );
-    if( !$enddate ) {
+  function _recur2date(& $result, $recur, $wdate, $startdate, $enddate = FALSE) {
+    foreach ($wdate as $k => $v) if (ctype_digit($v)) $wdate[$k] = (int) $v;
+    $wdatets     = $this->_date2timestamp($wdate);
+    $startdatets = $this->_date2timestamp($startdate);
+    if (!$enddate) {
       $enddate = $startdate;
       $enddate['year'] += 1;
 // echo "recur __in_ ".implode('-',$startdate)." period start ".implode('-',$wdate)." period end ".implode('-',$enddate)."<br />\n";print_r($recur);echo "<br />\n";//test###
     }
-    $endDatets = $this->_date2timestamp( $enddate ); // fix break
-    if( !isset( $recur['COUNT'] ) && !isset( $recur['UNTIL'] ))
+    $endDatets = $this->_date2timestamp($enddate); // fix break
+    if (!isset($recur['COUNT']) && !isset($recur['UNTIL']))
       $recur['UNTIL'] = $enddate; // create break
-    if( isset( $recur['UNTIL'] )) {
-      $tdatets = $this->_date2timestamp( $recur['UNTIL'] );
-      if( $endDatets > $tdatets ) {
+    if (isset($recur['UNTIL'])) {
+      $tdatets = $this->_date2timestamp($recur['UNTIL']);
+      if ($endDatets > $tdatets) {
         $endDatets = $tdatets; // emergency break
-        $enddate   = $this->_timestamp2date( $endDatets, 6 );
+        $enddate   = $this->_timestamp2date($endDatets, 6);
       }
       else
-        $recur['UNTIL'] = $this->_timestamp2date( $endDatets, 6 );
+        $recur['UNTIL'] = $this->_timestamp2date($endDatets, 6);
     }
-    if( $wdatets > $endDatets ) {
+    if ($wdatets > $endDatets) {
      //echo "recur out of date ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
       return array(); // nothing to do.. .
     }
-    if( !isset( $recur['FREQ'] )) // "MUST be specified.. ."
+    if (!isset($recur['FREQ'])) // "MUST be specified.. ."
       $recur['FREQ'] = 'DAILY'; // ??
-    $wkst = ( isset( $recur['WKST'] ) && ( 'SU' == $recur['WKST'] )) ? 24*60*60 : 0; // ??
-    if( !isset( $recur['INTERVAL'] ))
+    $wkst = (isset($recur['WKST']) && ('SU' == $recur['WKST'])) ? 24 * 60 * 60 : 0; // ??
+    if (!isset($recur['INTERVAL']))
       $recur['INTERVAL'] = 1;
-    $countcnt = ( !isset( $recur['BYSETPOS'] )) ? 1 : 0; // DTSTART counts as the first occurrence
+    $countcnt = (!isset($recur['BYSETPOS'])) ? 1 : 0; // DTSTART counts as the first occurrence
             /* find out how to step up dates and set index for interval count */
     $step = array();
-    if( 'YEARLY' == $recur['FREQ'] )
+    if ('YEARLY' == $recur['FREQ'])
       $step['year']  = 1;
-    elseif( 'MONTHLY' == $recur['FREQ'] )
+    elseif ('MONTHLY' == $recur['FREQ'])
       $step['month'] = 1;
-    elseif( 'WEEKLY' == $recur['FREQ'] )
+    elseif ('WEEKLY' == $recur['FREQ'])
       $step['day']   = 7;
     else
       $step['day']   = 1;
-    if( isset( $step['year'] ) && isset( $recur['BYMONTH'] ))
-      $step = array( 'month' => 1 );
-    if( empty( $step ) && isset( $recur['BYWEEKNO'] )) // ??
-      $step = array( 'day' => 7 );
-    if( isset( $recur['BYYEARDAY'] ) || isset( $recur['BYMONTHDAY'] ) || isset( $recur['BYDAY'] ))
-      $step = array( 'day' => 1 );
+    if (isset($step['year']) && isset($recur['BYMONTH']))
+      $step = array('month' => 1);
+    if (empty($step) && isset($recur['BYWEEKNO'])) // ??
+      $step = array('day' => 7);
+    if (isset($recur['BYYEARDAY']) || isset($recur['BYMONTHDAY']) || isset($recur['BYDAY']))
+      $step = array('day' => 1);
     $intervalarr = array();
-    if( 1 < $recur['INTERVAL'] ) {
-      $intervalix = $this->_recurIntervalIx( $recur['FREQ'], $wdate, $wkst );
-      $intervalarr = array( $intervalix => 0 );
+    if (1 < $recur['INTERVAL']) {
+      $intervalix = $this->_recurIntervalIx($recur['FREQ'], $wdate, $wkst);
+      $intervalarr = array($intervalix => 0);
     }
-    if( isset( $recur['BYSETPOS'] )) { // save start date + weekno
+    if (isset($recur['BYSETPOS'])) { // save start date + weekno
       $bysetposymd1 = $bysetposymd2 = $bysetposw1 = $bysetposw2 = array();
-      $bysetposWold = (int) date( 'W', ( $wdatets + $wkst ));
+      $bysetposWold = (int) date('W', ($wdatets + $wkst));
       $bysetposYold = $wdate['year'];
       $bysetposMold = $wdate['month'];
       $bysetposDold = $wdate['day'];
-      if( is_array( $recur['BYSETPOS'] )) {
-        foreach( $recur['BYSETPOS'] as $bix => $bval )
+      if (is_array($recur['BYSETPOS'])) {
+        foreach ($recur['BYSETPOS'] as $bix => $bval)
           $recur['BYSETPOS'][$bix] = (int) $bval;
       }
       else
-        $recur['BYSETPOS'] = array( (int) $recur['BYSETPOS'] );
-      $this->_stepdate( $enddate, $endDatets, $step); // make sure to count whole last period
+        $recur['BYSETPOS'] = array((int) $recur['BYSETPOS']);
+      $this->_stepdate($enddate, $endDatets, $step); // make sure to count whole last period
     }
-    $this->_stepdate( $wdate, $wdatets, $step);
+    $this->_stepdate($wdate, $wdatets, $step);
     $year_old     = null;
-    $daynames     = array( 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA' );
+    $daynames     = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
              /* MAIN LOOP */
      // echo "recur start ".implode('-',$wdate)." end ".implode('-',$enddate)."<br />\n";//test
-    while( TRUE ) {
-      if( isset( $endDatets ) && ( $wdatets > $endDatets ))
+    while (TRUE) {
+      if (isset($endDatets) && ($wdatets > $endDatets))
         break;
-      if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
+      if (isset($recur['COUNT']) && ($countcnt >= $recur['COUNT']))
         break;
-      if( $year_old != $wdate['year'] ) {
+      if ($year_old != $wdate['year']) {
         $year_old   = $wdate['year'];
         $daycnts    = array();
         $yeardays   = $weekno = 0;
         $yeardaycnt = array();
-        for( $m = 1; $m <= 12; $m++ ) { // count up and update up-counters
+        for ($m = 1; $m <= 12; $m++) { // count up and update up-counters
           $daycnts[$m] = array();
           $weekdaycnt = array();
-          foreach( $daynames as $dn )
+          foreach ($daynames as $dn)
             $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
-          $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
-          for( $d   = 1; $d <= $mcnt; $d++ ) {
+          $mcnt     = date('t', mktime(0, 0, 0, $m, 1, $wdate['year']));
+          for ($d   = 1; $d <= $mcnt; $d++) {
             $daycnts[$m][$d] = array();
-            if( isset( $recur['BYYEARDAY'] )) {
+            if (isset($recur['BYYEARDAY'])) {
               $yeardays++;
               $daycnts[$m][$d]['yearcnt_up'] = $yeardays;
             }
-            if( isset( $recur['BYDAY'] )) {
-              $day    = date( 'w', mktime( 0, 0, 0, $m, $d, $wdate['year'] ));
+            if (isset($recur['BYDAY'])) {
+              $day    = date('w', mktime(0, 0, 0, $m, $d, $wdate['year']));
               $day    = $daynames[$day];
               $daycnts[$m][$d]['DAY'] = $day;
               $weekdaycnt[$day]++;
@@ -4955,64 +4955,64 @@ 
               $yeardaycnt[$day]++;
               $daycnts[$m][$d]['yeardayno_up'] = $yeardaycnt[$day];
             }
-            if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' ))
-              $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year']));
+            if (isset($recur['BYWEEKNO']) || ($recur['FREQ'] == 'WEEKLY'))
+              $daycnts[$m][$d]['weekno_up'] = (int) date('W', mktime(0, 0, $wkst, $m, $d, $wdate['year']));
           }
         }
         $daycnt = 0;
         $yeardaycnt = array();
-        if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) {
+        if (isset($recur['BYWEEKNO']) || ($recur['FREQ'] == 'WEEKLY')) {
           $weekno = null;
-          for( $d=31; $d > 25; $d-- ) { // get last weekno for year
-            if( !$weekno )
+          for ($d = 31; $d > 25; $d--) { // get last weekno for year
+            if (!$weekno)
               $weekno = $daycnts[12][$d]['weekno_up'];
-            elseif( $weekno < $daycnts[12][$d]['weekno_up'] ) {
+            elseif ($weekno < $daycnts[12][$d]['weekno_up']) {
               $weekno = $daycnts[12][$d]['weekno_up'];
               break;
             }
           }
         }
-        for( $m = 12; $m > 0; $m-- ) { // count down and update down-counters
+        for ($m = 12; $m > 0; $m--) { // count down and update down-counters
           $weekdaycnt = array();
-          foreach( $daynames as $dn )
+          foreach ($daynames as $dn)
             $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
           $monthcnt = 0;
-          $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
-          for( $d   = $mcnt; $d > 0; $d-- ) {
-            if( isset( $recur['BYYEARDAY'] )) {
+          $mcnt     = date('t', mktime(0, 0, 0, $m, 1, $wdate['year']));
+          for ($d   = $mcnt; $d > 0; $d--) {
+            if (isset($recur['BYYEARDAY'])) {
               $daycnt -= 1;
               $daycnts[$m][$d]['yearcnt_down'] = $daycnt;
             }
-            if( isset( $recur['BYMONTHDAY'] )) {
+            if (isset($recur['BYMONTHDAY'])) {
               $monthcnt -= 1;
               $daycnts[$m][$d]['monthcnt_down'] = $monthcnt;
             }
-            if( isset( $recur['BYDAY'] )) {
-              $day  = $daycnts[$m][$d]['DAY'];
+            if (isset($recur['BYDAY'])) {
+              $day = $daycnts[$m][$d]['DAY'];
               $weekdaycnt[$day] -= 1;
               $daycnts[$m][$d]['monthdayno_down'] = $weekdaycnt[$day];
               $yeardaycnt[$day] -= 1;
               $daycnts[$m][$d]['yeardayno_down'] = $yeardaycnt[$day];
             }
-            if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' ))
+            if (isset($recur['BYWEEKNO']) || ($recur['FREQ'] == 'WEEKLY'))
               $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1);
           }
         }
       }
             /* check interval */
-      if( 1 < $recur['INTERVAL'] ) {
+      if (1 < $recur['INTERVAL']) {
             /* create interval index */
-        $intervalix = $this->_recurIntervalIx( $recur['FREQ'], $wdate, $wkst );
+        $intervalix = $this->_recurIntervalIx($recur['FREQ'], $wdate, $wkst);
             /* check interval */
-        $currentKey = array_keys( $intervalarr );
-        $currentKey = end( $currentKey ); // get last index
-        if( $currentKey != $intervalix )
-          $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 ));
-        if(( $recur['INTERVAL'] != $intervalarr[$intervalix] ) &&
-           ( 0 != $intervalarr[$intervalix] )) {
+        $currentKey = array_keys($intervalarr);
+        $currentKey = end($currentKey); // get last index
+        if ($currentKey != $intervalix)
+          $intervalarr = array($intervalix => ($intervalarr[$currentKey] + 1));
+        if (($recur['INTERVAL'] != $intervalarr[$intervalix]) &&
+           (0 != $intervalarr[$intervalix])) {
             /* step up date */
     //echo "skip: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
-          $this->_stepdate( $wdate, $wdatets, $step);
+          $this->_stepdate($wdate, $wdatets, $step);
           continue;
         }
         else // continue within the selected interval
@@ -5020,69 +5020,69 @@ 
    //echo "cont: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
       }
       $updateOK = TRUE;
-      if( $updateOK && isset( $recur['BYMONTH'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYMONTH']
+      if ($updateOK && isset($recur['BYMONTH']))
+        $updateOK = $this->_recurBYcntcheck($recur['BYMONTH']
                                            , $wdate['month']
                                            ,($wdate['month'] - 13));
-      if( $updateOK && isset( $recur['BYWEEKNO'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYWEEKNO']
+      if ($updateOK && isset($recur['BYWEEKNO']))
+        $updateOK = $this->_recurBYcntcheck($recur['BYWEEKNO']
                                            , $daycnts[$wdate['month']][$wdate['day']]['weekno_up']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['weekno_down'] );
-      if( $updateOK && isset( $recur['BYYEARDAY'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYYEARDAY']
+                                           , $daycnts[$wdate['month']][$wdate['day']]['weekno_down']);
+      if ($updateOK && isset($recur['BYYEARDAY']))
+        $updateOK = $this->_recurBYcntcheck($recur['BYYEARDAY']
                                            , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_up']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down'] );
-      if( $updateOK && isset( $recur['BYMONTHDAY'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYMONTHDAY']
+                                           , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down']);
+      if ($updateOK && isset($recur['BYMONTHDAY']))
+        $updateOK = $this->_recurBYcntcheck($recur['BYMONTHDAY']
                                            , $wdate['day']
-                                           , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down'] );
+                                           , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down']);
     //echo "efter BYMONTHDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n";//test###
-      if( $updateOK && isset( $recur['BYDAY'] )) {
+      if ($updateOK && isset($recur['BYDAY'])) {
         $updateOK = FALSE;
         $m = $wdate['month'];
         $d = $wdate['day'];
-        if( isset( $recur['BYDAY']['DAY'] )) { // single day, opt with year/month day order no
-          $daynoexists = $daynosw = $daynamesw =  FALSE;
-          if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] )
+        if (isset($recur['BYDAY']['DAY'])) { // single day, opt with year/month day order no
+          $daynoexists = $daynosw = $daynamesw = FALSE;
+          if ($recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'])
             $daynamesw = TRUE;
-          if( isset( $recur['BYDAY'][0] )) {
+          if (isset($recur['BYDAY'][0])) {
             $daynoexists = TRUE;
-            if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || isset( $recur['BYMONTH'] ))
-              $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
+            if ((isset($recur['FREQ']) && ($recur['FREQ'] == 'MONTHLY')) || isset($recur['BYMONTH']))
+              $daynosw = $this->_recurBYcntcheck($recur['BYDAY'][0]
                                                 , $daycnts[$m][$d]['monthdayno_up']
-                                                , $daycnts[$m][$d]['monthdayno_down'] );
-            elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
-              $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
+                                                , $daycnts[$m][$d]['monthdayno_down']);
+            elseif (isset($recur['FREQ']) && ($recur['FREQ'] == 'YEARLY'))
+              $daynosw = $this->_recurBYcntcheck($recur['BYDAY'][0]
                                                 , $daycnts[$m][$d]['yeardayno_up']
-                                                , $daycnts[$m][$d]['yeardayno_down'] );
+                                                , $daycnts[$m][$d]['yeardayno_down']);
           }
-          if((  $daynoexists &&  $daynosw && $daynamesw ) ||
-             ( !$daynoexists && !$daynosw && $daynamesw )) {
+          if (($daynoexists && $daynosw && $daynamesw) ||
+             (!$daynoexists && !$daynosw && $daynamesw)) {
             $updateOK = TRUE;
           }
         //echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ###
         }
         else {
-          foreach( $recur['BYDAY'] as $bydayvalue ) {
+          foreach ($recur['BYDAY'] as $bydayvalue) {
             $daynoexists = $daynosw = $daynamesw = FALSE;
-            if( isset( $bydayvalue['DAY'] ) &&
-                     ( $bydayvalue['DAY'] == $daycnts[$m][$d]['DAY'] ))
+            if (isset($bydayvalue['DAY']) &&
+                     ($bydayvalue['DAY'] == $daycnts[$m][$d]['DAY']))
               $daynamesw = TRUE;
-            if( isset( $bydayvalue[0] )) {
+            if (isset($bydayvalue[0])) {
               $daynoexists = TRUE;
-              if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) ||
-                   isset( $recur['BYMONTH'] ))
-                $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
+              if ((isset($recur['FREQ']) && ($recur['FREQ'] == 'MONTHLY')) ||
+                   isset($recur['BYMONTH']))
+                $daynosw = $this->_recurBYcntcheck($bydayvalue['0']
                                                   , $daycnts[$m][$d]['monthdayno_up']
-                                                  , $daycnts[$m][$d]['monthdayno_down'] );
-              elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
-                $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
+                                                  , $daycnts[$m][$d]['monthdayno_down']);
+              elseif (isset($recur['FREQ']) && ($recur['FREQ'] == 'YEARLY'))
+                $daynosw = $this->_recurBYcntcheck($bydayvalue['0']
                                                   , $daycnts[$m][$d]['yeardayno_up']
-                                                  , $daycnts[$m][$d]['yeardayno_down'] );
+                                                  , $daycnts[$m][$d]['yeardayno_down']);
             }
         //echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ###
-            if((  $daynoexists &&  $daynosw && $daynamesw ) ||
-               ( !$daynoexists && !$daynosw && $daynamesw )) {
+            if (($daynoexists && $daynosw && $daynamesw) ||
+               (!$daynoexists && !$daynosw && $daynamesw)) {
               $updateOK = TRUE;
               break;
             }
@@ -5091,25 +5091,25 @@ 
       }
       //echo "efter BYDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n"; // test ###
             /* check BYSETPOS */
-      if( $updateOK ) {
-        if( isset( $recur['BYSETPOS'] ) &&
-          ( in_array( $recur['FREQ'], array( 'YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY' )))) {
-          if( isset( $recur['WEEKLY'] )) {
-            if( $bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] )
+      if ($updateOK) {
+        if (isset($recur['BYSETPOS']) &&
+          (in_array($recur['FREQ'], array('YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY')))) {
+          if (isset($recur['WEEKLY'])) {
+            if ($bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'])
               $bysetposw1[] = $wdatets;
             else
               $bysetposw2[] = $wdatets;
           }
           else {
-            if(( isset( $recur['FREQ'] ) && ( 'YEARLY'      == $recur['FREQ'] )  &&
-                                            ( $bysetposYold == $wdate['year'] ))   ||
-               ( isset( $recur['FREQ'] ) && ( 'MONTHLY'     == $recur['FREQ'] )  &&
-                                           (( $bysetposYold == $wdate['year'] )  &&
-                                            ( $bysetposMold == $wdate['month'] ))) ||
-               ( isset( $recur['FREQ'] ) && ( 'MONTHLY'     == $recur['FREQ'] )  &&
-                                           (( $bysetposYold == $wdate['year'] )  &&
-                                            ( $bysetposMold == $wdate['month'])  &&
-                                            ( $bysetposDold == $wdate['sday'] ))))
+            if ((isset($recur['FREQ']) && ('YEARLY' == $recur['FREQ']) &&
+                                            ($bysetposYold == $wdate['year'])) ||
+               (isset($recur['FREQ']) && ('MONTHLY' == $recur['FREQ']) &&
+                                           (($bysetposYold == $wdate['year']) &&
+                                            ($bysetposMold == $wdate['month']))) ||
+               (isset($recur['FREQ']) && ('MONTHLY' == $recur['FREQ']) &&
+                                           (($bysetposYold == $wdate['year']) &&
+                                            ($bysetposMold == $wdate['month']) &&
+                                            ($bysetposDold == $wdate['sday']))))
               $bysetposymd1[] = $wdatets;
             else
               $bysetposymd2[] = $wdatets;
@@ -5118,7 +5118,7 @@ 
         else {
             /* update result array if BYSETPOS is set */
           $countcnt++;
-          if( $startdatets <= $wdatets ) { // only output within period
+          if ($startdatets <= $wdatets) { // only output within period
             $result[$wdatets] = TRUE;
           //echo "recur ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
           }
@@ -5127,39 +5127,39 @@ 
         }
       }
             /* step up date */
-      $this->_stepdate( $wdate, $wdatets, $step);
+      $this->_stepdate($wdate, $wdatets, $step);
             /* check if BYSETPOS is set for updating result array */
-      if( $updateOK && isset( $recur['BYSETPOS'] )) {
+      if ($updateOK && isset($recur['BYSETPOS'])) {
         $bysetpos       = FALSE;
-        if( isset( $recur['FREQ'] ) && ( 'YEARLY'  == $recur['FREQ'] ) &&
-          ( $bysetposYold != $wdate['year'] )) {
+        if (isset($recur['FREQ']) && ('YEARLY' == $recur['FREQ']) &&
+          ($bysetposYold != $wdate['year'])) {
           $bysetpos     = TRUE;
           $bysetposYold = $wdate['year'];
         }
-        elseif( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] &&
-         (( $bysetposYold != $wdate['year'] ) || ( $bysetposMold != $wdate['month'] )))) {
+        elseif (isset($recur['FREQ']) && ('MONTHLY' == $recur['FREQ'] &&
+         (($bysetposYold != $wdate['year']) || ($bysetposMold != $wdate['month'])))) {
           $bysetpos     = TRUE;
           $bysetposYold = $wdate['year'];
           $bysetposMold = $wdate['month'];
         }
-        elseif( isset( $recur['FREQ'] ) && ( 'WEEKLY'  == $recur['FREQ'] )) {
-          $weekno = (int) date( 'W', mktime( 0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year']));
-          if( $bysetposWold != $weekno ) {
+        elseif (isset($recur['FREQ']) && ('WEEKLY' == $recur['FREQ'])) {
+          $weekno = (int) date('W', mktime(0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year']));
+          if ($bysetposWold != $weekno) {
             $bysetposWold = $weekno;
             $bysetpos     = TRUE;
           }
         }
-        elseif( isset( $recur['FREQ'] ) && ( 'DAILY'   == $recur['FREQ'] ) &&
-         (( $bysetposYold != $wdate['year'] )  ||
-          ( $bysetposMold != $wdate['month'] ) ||
-          ( $bysetposDold != $wdate['sday'] ))) {
+        elseif (isset($recur['FREQ']) && ('DAILY' == $recur['FREQ']) &&
+         (($bysetposYold != $wdate['year']) ||
+          ($bysetposMold != $wdate['month']) ||
+          ($bysetposDold != $wdate['sday']))) {
           $bysetpos     = TRUE;
           $bysetposYold = $wdate['year'];
           $bysetposMold = $wdate['month'];
           $bysetposDold = $wdate['day'];
         }
-        if( $bysetpos ) {
-          if( isset( $recur['BYWEEKNO'] )) {
+        if ($bysetpos) {
+          if (isset($recur['BYWEEKNO'])) {
             $bysetposarr1 = & $bysetposw1;
             $bysetposarr2 = & $bysetposw2;
           }
@@ -5167,18 +5167,18 @@ 
             $bysetposarr1 = & $bysetposymd1;
             $bysetposarr2 = & $bysetposymd2;
           }
-          foreach( $recur['BYSETPOS'] as $ix ) {
-            if( 0 > $ix ) // both positive and negative BYSETPOS allowed
-              $ix = ( count( $bysetposarr1 ) + $ix + 1);
+          foreach ($recur['BYSETPOS'] as $ix) {
+            if (0 > $ix) // both positive and negative BYSETPOS allowed
+              $ix = (count($bysetposarr1) + $ix + 1);
             $ix--;
-            if( isset( $bysetposarr1[$ix] )) {
-              if( $startdatets <= $bysetposarr1[$ix] ) { // only output within period
+            if (isset($bysetposarr1[$ix])) {
+              if ($startdatets <= $bysetposarr1[$ix]) { // only output within period
                 $result[$bysetposarr1[$ix]] = TRUE;
        //echo "recur ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$bysetposarr1[$ix]),6))."<br />\n";//test
               }
               $countcnt++;
             }
-            if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
+            if (isset($recur['COUNT']) && ($countcnt >= $recur['COUNT']))
               break;
           }
           $bysetposarr1 = $bysetposarr2;
@@ -5187,18 +5187,18 @@ 
       }
     }
   }
-  function _recurBYcntcheck( $BYvalue, $upValue, $downValue ) {
-    if( is_array( $BYvalue ) &&
-      ( in_array( $upValue, $BYvalue ) || in_array( $downValue, $BYvalue )))
+  function _recurBYcntcheck($BYvalue, $upValue, $downValue) {
+    if (is_array($BYvalue) &&
+      (in_array($upValue, $BYvalue) || in_array($downValue, $BYvalue)))
       return TRUE;
-    elseif(( $BYvalue == $upValue ) || ( $BYvalue == $downValue ))
+    elseif (($BYvalue == $upValue) || ($BYvalue == $downValue))
       return TRUE;
     else
       return FALSE;
   }
-  function _recurIntervalIx( $freq, $date, $wkst ) {
+  function _recurIntervalIx($freq, $date, $wkst) {
             /* create interval index */
-    switch( $freq ) {
+    switch ($freq) {
       case 'YEARLY':
         $intervalix = $date['year'];
         break;
@@ -5206,8 +5206,8 @@ 
         $intervalix = $date['year'].'-'.$date['month'];
         break;
       case 'WEEKLY':
-        $wdatets    = $this->_date2timestamp( $date );
-        $intervalix = (int) date( 'W', ( $wdatets + $wkst ));
+        $wdatets    = $this->_date2timestamp($date);
+        $intervalix = (int) date('W', ($wdatets + $wkst));
        break;
       case 'DAILY':
            default:
@@ -5224,22 +5224,22 @@ 
  * @param array $rexrule
  * @return array
  */
-  function _setRexrule( $rexrule ) {
-    $input          = array();
-    if( empty( $rexrule ))
+  function _setRexrule($rexrule) {
+    $input = array();
+    if (empty($rexrule))
       return $input;
-    foreach( $rexrule as $rexrulelabel => $rexrulevalue ) {
-      $rexrulelabel = strtoupper( $rexrulelabel );
-      if( 'UNTIL'  != $rexrulelabel )
+    foreach ($rexrule as $rexrulelabel => $rexrulevalue) {
+      $rexrulelabel = strtoupper($rexrulelabel);
+      if ('UNTIL' != $rexrulelabel)
         $input[$rexrulelabel]   = $rexrulevalue;
       else {
-        if( $this->_isArrayTimestampDate( $rexrulevalue )) // timestamp date
-          $input[$rexrulelabel] = $this->_timestamp2date( $rexrulevalue, 6 );
-        elseif( $this->_isArrayDate( $rexrulevalue )) // date-time
-          $input[$rexrulelabel] = $this->_date_time_array( $rexrulevalue, 6 );
-        elseif( 8 <= strlen( trim( $rexrulevalue ))) // ex. 2006-08-03 10:12:18
-          $input[$rexrulelabel] = $this->_date_time_string( $rexrulevalue );
-        if(( 3 < count( $input[$rexrulelabel] )) && !isset( $input[$rexrulelabel]['tz'] ))
+        if ($this->_isArrayTimestampDate($rexrulevalue)) // timestamp date
+          $input[$rexrulelabel] = $this->_timestamp2date($rexrulevalue, 6);
+        elseif ($this->_isArrayDate($rexrulevalue)) // date-time
+          $input[$rexrulelabel] = $this->_date_time_array($rexrulevalue, 6);
+        elseif (8 <= strlen(trim($rexrulevalue))) // ex. 2006-08-03 10:12:18
+          $input[$rexrulelabel] = $this->_date_time_string($rexrulevalue);
+        if ((3 < count($input[$rexrulelabel])) && !isset($input[$rexrulelabel]['tz']))
           $input[$rexrulelabel]['tz'] = 'Z';
       }
     }
@@ -5260,85 +5260,85 @@ 
  * @param string $caller optional
  * @return array
  */
-  function _setDate( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE, $caller=null ) {
+  function _setDate($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $params = FALSE, $caller = null) {
     $input = $parno = null;
-    $localtime = (( 'dtstart' == $caller ) && in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE;
-    if( $this->_isArrayDate( $year )) {
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
-      if( isset( $input['params']['TZID'] )) {
+    $localtime = (('dtstart' == $caller) && in_array($this->objName, array('vtimezone', 'standard', 'daylight'))) ? TRUE : FALSE;
+    if ($this->_isArrayDate($year)) {
+      if ($localtime) unset ($month['VALUE'], $month['TZID']);
+      $input['params'] = $this->_setParams($month, array('VALUE' => 'DATE-TIME'));
+      if (isset($input['params']['TZID'])) {
         $input['params']['VALUE'] = 'DATE-TIME';
-        unset( $year['tz'] );
+        unset($year['tz']);
       }
-      $hitval          = (( !empty( $year['tz'] ) || !empty( $year[6] ))) ? 7 : 6;
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval );
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, count( $year ), $parno );
-      $input['value']  = $this->_date_time_array( $year, $parno );
-    }
-    elseif( $this->_isArrayTimestampDate( $year )) {
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
-      if( isset( $input['params']['TZID'] )) {
+      $hitval          = ((!empty($year['tz']) || !empty($year[6]))) ? 7 : 6;
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE-TIME', $hitval);
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE', 3, count($year), $parno);
+      $input['value']  = $this->_date_time_array($year, $parno);
+    }
+    elseif ($this->_isArrayTimestampDate($year)) {
+      if ($localtime) unset ($month['VALUE'], $month['TZID']);
+      $input['params'] = $this->_setParams($month, array('VALUE' => 'DATE-TIME'));
+      if (isset($input['params']['TZID'])) {
         $input['params']['VALUE'] = 'DATE-TIME';
-        unset( $year['tz'] );
+        unset($year['tz']);
       }
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3 );
-      $hitval          = ( isset( $year['tz'] )) ? 7 : 6;
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno );
-      $input['value']  = $this->_timestamp2date( $year, $parno );
-    }
-    elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
-      if( isset( $input['params']['TZID'] )) {
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE', 3);
+      $hitval          = (isset($year['tz'])) ? 7 : 6;
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno);
+      $input['value']  = $this->_timestamp2date($year, $parno);
+    }
+    elseif (8 <= strlen(trim($year))) { // ex. 2006-08-03 10:12:18
+      if ($localtime) unset ($month['VALUE'], $month['TZID']);
+      $input['params'] = $this->_setParams($month, array('VALUE' => 'DATE-TIME'));
+      if (isset($input['params']['TZID'])) {
         $input['params']['VALUE'] = 'DATE-TIME';
         $parno = 6;
       }
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7, $parno );
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, $parno, $parno );
-      $input['value']  = $this->_date_time_string( $year, $parno );
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE-TIME', 7, $parno);
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE', 3, $parno, $parno);
+      $input['value']  = $this->_date_time_string($year, $parno);
     }
     else {
-      if( is_array( $params )) {
-        if( $localtime ) unset ( $params['VALUE'], $params['TZID'] );
-        $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
+      if (is_array($params)) {
+        if ($localtime) unset ($params['VALUE'], $params['TZID']);
+        $input['params'] = $this->_setParams($params, array('VALUE' => 'DATE-TIME'));
       }
-      elseif( is_array( $tz )) {
-        $input['params'] = $this->_setParams( $tz,     array( 'VALUE' => 'DATE-TIME' ));
+      elseif (is_array($tz)) {
+        $input['params'] = $this->_setParams($tz, array('VALUE' => 'DATE-TIME'));
         $tz = FALSE;
       }
-      elseif( is_array( $hour )) {
-        $input['params'] = $this->_setParams( $hour,   array( 'VALUE' => 'DATE-TIME' ));
+      elseif (is_array($hour)) {
+        $input['params'] = $this->_setParams($hour, array('VALUE' => 'DATE-TIME'));
         $hour = $min = $sec = $tz = FALSE;
       }
-      if( isset( $input['params']['TZID'] )) {
+      if (isset($input['params']['TZID'])) {
         $tz            = null;
         $input['params']['VALUE'] = 'DATE-TIME';
       }
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3 );
-      $hitval          = ( !empty( $tz )) ? 7 : 6;
-      $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno, $parno );
-      $input['value']  = array( 'year'  => $year, 'month' => $month, 'day'   => $day );
-      if( 3 != $parno ) {
-        $input['value']['hour'] = ( $hour ) ? $hour : '0';
-        $input['value']['min']  = ( $min )  ? $min  : '0';
-        $input['value']['sec']  = ( $sec )  ? $sec  : '0';
-        if( !empty( $tz ))
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE', 3);
+      $hitval          = (!empty($tz)) ? 7 : 6;
+      $parno           = $this->_existRem($input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno, $parno);
+      $input['value']  = array('year'  => $year, 'month' => $month, 'day'   => $day);
+      if (3 != $parno) {
+        $input['value']['hour'] = ($hour) ? $hour : '0';
+        $input['value']['min']  = ($min) ? $min : '0';
+        $input['value']['sec']  = ($sec) ? $sec : '0';
+        if (!empty($tz))
           $input['value']['tz'] = $tz;
       }
     }
-    if( 3 == $parno ) {
+    if (3 == $parno) {
       $input['params']['VALUE'] = 'DATE';
-      unset( $input['value']['tz'] );
-      unset( $input['params']['TZID'] );
+      unset($input['value']['tz']);
+      unset($input['params']['TZID']);
     }
-    elseif( isset( $input['params']['TZID'] ))
-      unset( $input['value']['tz'] );
-    if( $localtime ) unset( $input['value']['tz'], $input['params']['TZID'] );
-    if( isset( $input['value']['tz'] ))
+    elseif (isset($input['params']['TZID']))
+      unset($input['value']['tz']);
+    if ($localtime) unset($input['value']['tz'], $input['params']['TZID']);
+    if (isset($input['value']['tz']))
       $input['value']['tz'] = (string) $input['value']['tz'];
-    if( !empty( $input['value']['tz'] ) && ( 'Z' != $input['value']['tz'] ) &&
-      ( !$this->_isOffset( $input['value']['tz'] )))
+    if (!empty($input['value']['tz']) && ('Z' != $input['value']['tz']) &&
+      (!$this->_isOffset($input['value']['tz'])))
       $input['params']['TZID'] = $input['value']['tz'];
     return $input;
   }
@@ -5356,37 +5356,37 @@ 
  * @param array $params optional
  * @return array
  */
-  function _setDate2( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
+  function _setDate2($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $params = FALSE) {
     $input = null;
-    if( $this->_isArrayDate( $year )) {
-      $input['value']  = $this->_date_time_array( $year, 7 );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
+    if ($this->_isArrayDate($year)) {
+      $input['value']  = $this->_date_time_array($year, 7);
+      $input['params'] = $this->_setParams($month, array('VALUE' => 'DATE-TIME'));
     }
-    elseif( $this->_isArrayTimestampDate( $year )) {
-      $input['value']  = $this->_timestamp2date( $year, 7 );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
+    elseif ($this->_isArrayTimestampDate($year)) {
+      $input['value']  = $this->_timestamp2date($year, 7);
+      $input['params'] = $this->_setParams($month, array('VALUE' => 'DATE-TIME'));
     }
-    elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
-      $input['value']  = $this->_date_time_string( $year, 7 );
-      $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
+    elseif (8 <= strlen(trim($year))) { // ex. 2006-08-03 10:12:18
+      $input['value']  = $this->_date_time_string($year, 7);
+      $input['params'] = $this->_setParams($month, array('VALUE' => 'DATE-TIME'));
     }
     else {
-      $input['value']  = array( 'year'  => $year
+      $input['value']  = array('year'  => $year
                               , 'month' => $month
                               , 'day'   => $day
                               , 'hour'  => $hour
                               , 'min'   => $min
-                              , 'sec'   => $sec );
-      $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
+                              , 'sec'   => $sec);
+      $input['params'] = $this->_setParams($params, array('VALUE' => 'DATE-TIME'));
     }
-    $parno = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7 ); // remove default
-    if( !isset( $input['value']['hour'] ))
+    $parno = $this->_existRem($input['params'], 'VALUE', 'DATE-TIME', 7); // remove default
+    if (!isset($input['value']['hour']))
       $input['value']['hour'] = 0;
-    if( !isset( $input['value']['min'] ))
+    if (!isset($input['value']['min']))
       $input['value']['min'] = 0;
-    if( !isset( $input['value']['sec'] ))
+    if (!isset($input['value']['sec']))
       $input['value']['sec'] = 0;
-    if( !isset( $input['value']['tz'] ) || !$this->_isOffset( $input['value']['tz'] ))
+    if (!isset($input['value']['tz']) || !$this->_isOffset($input['value']['tz']))
       $input['value']['tz'] = 'Z';
     return $input;
   }
@@ -5402,18 +5402,18 @@ 
  * @param int $index
  * @return void
  */
-  function _setMval( & $valArr, $value, $params=FALSE, $defaults=FALSE, $index=FALSE ) {
-    if( !is_array( $valArr )) $valArr = array();
-    if( $index )
+  function _setMval(& $valArr, $value, $params = FALSE, $defaults = FALSE, $index = FALSE) {
+    if (!is_array($valArr)) $valArr = array();
+    if ($index)
       $index = $index - 1;
-    elseif( 0 < count( $valArr )) {
-      $index = end( array_keys( $valArr ));
+    elseif (0 < count($valArr)) {
+      $index = end(array_keys($valArr));
       $index += 1;
     }
     else
       $index = 0;
-    $valArr[$index] = array( 'value' => $value, 'params' => $this->_setParams( $params, $defaults ));
-    ksort( $valArr );
+    $valArr[$index] = array('value' => $value, 'params' => $this->_setParams($params, $defaults));
+    ksort($valArr);
   }
 /**
  * set input (formatted) parameters- component property attributes
@@ -5426,31 +5426,31 @@ 
  * @param array $defaults
  * @return array
  */
-  function _setParams( $params, $defaults=FALSE ) {
-    if( !is_array( $params))
+  function _setParams($params, $defaults = FALSE) {
+    if (!is_array($params))
       $params = array();
     $input = array();
-    foreach( $params as $paramKey => $paramValue ) {
-      if( is_array( $paramValue )) {
-        foreach( $paramValue as $pkey => $pValue ) {
-          if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 )))
-            $paramValue[$pkey] = substr( $pValue, 1, ( strlen( $pValue ) - 2 ));
+    foreach ($params as $paramKey => $paramValue) {
+      if (is_array($paramValue)) {
+        foreach ($paramValue as $pkey => $pValue) {
+          if (('"' == substr($pValue, 0, 1)) && ('"' == substr($pValue, -1)))
+            $paramValue[$pkey] = substr($pValue, 1, (strlen($pValue) - 2));
         }
       }
-      elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 )))
-        $paramValue = substr( $paramValue, 1, ( strlen( $paramValue ) - 2 ));
-      if( 'VALUE' == strtoupper( $paramKey ))
-        $input['VALUE']                 = strtoupper( $paramValue );
+      elseif (('"' == substr($paramValue, 0, 1)) && ('"' == substr($paramValue, -1)))
+        $paramValue = substr($paramValue, 1, (strlen($paramValue) - 2));
+      if ('VALUE' == strtoupper($paramKey))
+        $input['VALUE']                 = strtoupper($paramValue);
       else
-        $input[strtoupper( $paramKey )] = $paramValue;
+        $input[strtoupper($paramKey)] = $paramValue;
     }
-    if( is_array( $defaults )) {
-      foreach( $defaults as $paramKey => $paramValue ) {
-        if( !isset( $input[$paramKey] ))
+    if (is_array($defaults)) {
+      foreach ($defaults as $paramKey => $paramValue) {
+        if (!isset($input[$paramKey]))
           $input[$paramKey] = $paramValue;
       }
     }
-    return (0 < count( $input )) ? $input : null;
+    return (0 < count($input)) ? $input : null;
   }
 /**
  * step date, return updated date, array and timpstamp
@@ -5462,13 +5462,13 @@ 
  * @param array $step, default array( 'day' => 1 )
  * @return void
  */
-  function _stepdate( &$date, &$timestamp, $step=array( 'day' => 1 )) {
-    foreach( $step as $stepix => $stepvalue )
+  function _stepdate(&$date, &$timestamp, $step = array('day' => 1)) {
+    foreach ($step as $stepix => $stepvalue)
       $date[$stepix] += $stepvalue;
-    $timestamp  = $this->_date2timestamp( $date );
-    $date       = $this->_timestamp2date( $timestamp, 6 );
-    foreach( $date as $k => $v ) {
-      if( ctype_digit( $v ))
+    $timestamp  = $this->_date2timestamp($date);
+    $date       = $this->_timestamp2date($timestamp, 6);
+    foreach ($date as $k => $v) {
+      if (ctype_digit($v))
         $date[$k] = (int) $v;
     }
   }
@@ -5481,20 +5481,20 @@ 
  * @param int $parno
  * @return array
  */
-  function _timestamp2date( $timestamp, $parno=6 ) {
-    if( is_array( $timestamp )) {
-      if(( 7 == $parno ) && !empty( $timestamp['tz'] ))
+  function _timestamp2date($timestamp, $parno = 6) {
+    if (is_array($timestamp)) {
+      if ((7 == $parno) && !empty($timestamp['tz']))
         $tz = $timestamp['tz'];
       $timestamp = $timestamp['timestamp'];
     }
-    $output = array( 'year'  => date( 'Y', $timestamp )
-                   , 'month' => date( 'm', $timestamp )
-                   , 'day'   => date( 'd', $timestamp ));
-    if( 3 != $parno ) {
-             $output['hour'] =  date( 'H', $timestamp );
-             $output['min']  =  date( 'i', $timestamp );
-             $output['sec']  =  date( 's', $timestamp );
-      if( isset( $tz ))
+    $output = array('year'  => date('Y', $timestamp)
+                   , 'month' => date('m', $timestamp)
+                   , 'day'   => date('d', $timestamp));
+    if (3 != $parno) {
+             $output['hour'] = date('H', $timestamp);
+             $output['min']  = date('i', $timestamp);
+             $output['sec']  = date('s', $timestamp);
+      if (isset($tz))
         $output['tz'] = $tz;
     }
     return $output;
@@ -5507,19 +5507,19 @@ 
  * @param string $offset
  * @return integer
  */
-  function _tz2offset( $tz ) {
-    $tz           = trim( (string) $tz );
+  function _tz2offset($tz) {
+    $tz           = trim((string) $tz);
     $offset       = 0;
-    if(((     5  != strlen( $tz )) && ( 7  != strlen( $tz ))) ||
-       ((    '+' != substr( $tz, 0, 1 )) && ( '-' != substr( $tz, 0, 1 ))) ||
-       (( '0000' >= substr( $tz, 1, 4 )) && ( '9999' < substr( $tz, 1, 4 ))) ||
-           (( 7  == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 ))))
+    if (((5 != strlen($tz)) && (7 != strlen($tz))) ||
+       (('+' != substr($tz, 0, 1)) && ('-' != substr($tz, 0, 1))) ||
+       (('0000' >= substr($tz, 1, 4)) && ('9999' < substr($tz, 1, 4))) ||
+           ((7 == strlen($tz)) && ('00' > substr($tz, 5, 2)) && ('99' < substr($tz, 5, 2))))
       return $offset;
-    $hours2sec    = (int) substr( $tz, 1, 2 ) * 3600;
-    $min2sec      = (int) substr( $tz, 3, 2 ) *   60;
-    $sec          = ( 7  == strlen( $tz )) ? (int) substr( $tz, -2 ) : '00';
+    $hours2sec    = (int) substr($tz, 1, 2) * 3600;
+    $min2sec      = (int) substr($tz, 3, 2) * 60;
+    $sec          = (7 == strlen($tz)) ? (int) substr($tz, -2) : '00';
     $offset       = $hours2sec + $min2sec + $sec;
-    $offset       = ('-' == substr( $tz, 0, 1 )) ? $offset : -1 * $offset;
+    $offset       = ('-' == substr($tz, 0, 1)) ? $offset : -1 * $offset;
     return $offset;
   }
 /*********************************************************************************/
@@ -5532,24 +5532,24 @@ 
  * @param string $config
  * @return value
  */
-  function getConfig( $config ) {
-    switch( strtoupper( $config )) {
+  function getConfig($config) {
+    switch (strtoupper($config)) {
       case 'ALLOWEMPTY':
         return $this->allowEmpty;
         break;
       case 'COMPSINFO':
-        unset( $this->compix );
+        unset($this->compix);
         $info = array();
-        if( isset( $this->components )) {
-          foreach( $this->components as $cix => $component ) {
-            if( empty( $component )) continue;
-            unset( $component->propix );
+        if (isset($this->components)) {
+          foreach ($this->components as $cix => $component) {
+            if (empty($component)) continue;
+            unset($component->propix);
             $info[$cix]['ordno'] = $cix + 1;
             $info[$cix]['type']  = $component->objName;
-            $info[$cix]['uid']   = $component->getProperty( 'uid' );
-            $info[$cix]['props'] = $component->getConfig( 'propinfo' );
-            $info[$cix]['sub']   = $component->getConfig( 'compsinfo' );
-            unset( $component->propix );
+            $info[$cix]['uid']   = $component->getProperty('uid');
+            $info[$cix]['props'] = $component->getConfig('propinfo');
+            $info[$cix]['sub']   = $component->getConfig('compsinfo');
+            unset($component->propix);
           }
         }
         return $info;
@@ -5567,58 +5567,58 @@ 
         break;
       case 'PROPINFO':
         $output = array();
-        if( !in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
-          if( empty( $this->uid['value'] )) $this->_makeuid();
+        if (!in_array($this->objName, array('valarm', 'vtimezone', 'standard', 'daylight'))) {
+          if (empty($this->uid['value'])) $this->_makeuid();
                                               $output['UID']              = 1;
         }
-        if( !empty( $this->dtstamp ))         $output['DTSTAMP']          = 1;
-        if( !empty( $this->summary ))         $output['SUMMARY']          = 1;
-        if( !empty( $this->description ))     $output['DESCRIPTION']      = count( $this->description );
-        if( !empty( $this->dtstart ))         $output['DTSTART']          = 1;
-        if( !empty( $this->dtend ))           $output['DTEND']            = 1;
-        if( !empty( $this->due ))             $output['DUE']              = 1;
-        if( !empty( $this->duration ))        $output['DURATION']         = 1;
-        if( !empty( $this->rrule ))           $output['RRULE']            = count( $this->rrule );
-        if( !empty( $this->rdate ))           $output['RDATE']            = count( $this->rdate );
-        if( !empty( $this->exdate ))          $output['EXDATE']           = count( $this->exdate );
-        if( !empty( $this->exrule ))          $output['EXRULE']           = count( $this->exrule );
-        if( !empty( $this->action ))          $output['ACTION']           = 1;
-        if( !empty( $this->attach ))          $output['ATTACH']           = count( $this->attach );
-        if( !empty( $this->attendee ))        $output['ATTENDEE']         = count( $this->attendee );
-        if( !empty( $this->categories ))      $output['CATEGORIES']       = count( $this->categories );
-        if( !empty( $this->class ))           $output['CLASS']            = 1;
-        if( !empty( $this->comment ))         $output['COMMENT']          = count( $this->comment );
-        if( !empty( $this->completed ))       $output['COMPLETED']        = 1;
-        if( !empty( $this->contact ))         $output['CONTACT']          = count( $this->contact );
-        if( !empty( $this->created ))         $output['CREATED']          = 1;
-        if( !empty( $this->freebusy ))        $output['FREEBUSY']         = count( $this->freebusy );
-        if( !empty( $this->geo ))             $output['GEO']              = 1;
-        if( !empty( $this->lastmodified ))    $output['LAST-MODIFIED']    = 1;
-        if( !empty( $this->location ))        $output['LOCATION']         = 1;
-        if( !empty( $this->organizer ))       $output['ORGANIZER']        = 1;
-        if( !empty( $this->percentcomplete )) $output['PERCENT-COMPLETE'] = 1;
-        if( !empty( $this->priority ))        $output['PRIORITY']         = 1;
-        if( !empty( $this->recurrenceid ))    $output['RECURRENCE-ID']    = 1;
-        if( !empty( $this->relatedto ))       $output['RELATED-TO']       = count( $this->relatedto );
-        if( !empty( $this->repeat ))          $output['REPEAT']           = 1;
-        if( !empty( $this->requeststatus ))   $output['REQUEST-STATUS']   = count( $this->requeststatus );
-        if( !empty( $this->resources ))       $output['RESOURCES']        = count( $this->resources );
-        if( !empty( $this->sequence ))        $output['SEQUENCE']         = 1;
-        if( !empty( $this->status ))          $output['STATUS']           = 1;
-        if( !empty( $this->transp ))          $output['TRANSP']           = 1;
-        if( !empty( $this->trigger ))         $output['TRIGGER']          = 1;
-        if( !empty( $this->tzid ))            $output['TZID']             = 1;
-        if( !empty( $this->tzname ))          $output['TZNAME']           = count( $this->tzname );
-        if( !empty( $this->tzoffsetfrom ))    $output['TZOFFSETTFROM']    = 1;
-        if( !empty( $this->tzoffsetto ))      $output['TZOFFSETTO']       = 1;
-        if( !empty( $this->tzurl ))           $output['TZURL']            = 1;
-        if( !empty( $this->url ))             $output['URL']              = 1;
-        if( !empty( $this->xprop ))           $output['X-PROP']           = count( $this->xprop );
+        if (!empty($this->dtstamp))         $output['DTSTAMP']          = 1;
+        if (!empty($this->summary))         $output['SUMMARY']          = 1;
+        if (!empty($this->description))     $output['DESCRIPTION']      = count($this->description);
+        if (!empty($this->dtstart))         $output['DTSTART']          = 1;
+        if (!empty($this->dtend))           $output['DTEND']            = 1;
+        if (!empty($this->due))             $output['DUE']              = 1;
+        if (!empty($this->duration))        $output['DURATION']         = 1;
+        if (!empty($this->rrule))           $output['RRULE']            = count($this->rrule);
+        if (!empty($this->rdate))           $output['RDATE']            = count($this->rdate);
+        if (!empty($this->exdate))          $output['EXDATE']           = count($this->exdate);
+        if (!empty($this->exrule))          $output['EXRULE']           = count($this->exrule);
+        if (!empty($this->action))          $output['ACTION']           = 1;
+        if (!empty($this->attach))          $output['ATTACH']           = count($this->attach);
+        if (!empty($this->attendee))        $output['ATTENDEE']         = count($this->attendee);
+        if (!empty($this->categories))      $output['CATEGORIES']       = count($this->categories);
+        if (!empty($this->class))           $output['CLASS']            = 1;
+        if (!empty($this->comment))         $output['COMMENT']          = count($this->comment);
+        if (!empty($this->completed))       $output['COMPLETED']        = 1;
+        if (!empty($this->contact))         $output['CONTACT']          = count($this->contact);
+        if (!empty($this->created))         $output['CREATED']          = 1;
+        if (!empty($this->freebusy))        $output['FREEBUSY']         = count($this->freebusy);
+        if (!empty($this->geo))             $output['GEO']              = 1;
+        if (!empty($this->lastmodified))    $output['LAST-MODIFIED']    = 1;
+        if (!empty($this->location))        $output['LOCATION']         = 1;
+        if (!empty($this->organizer))       $output['ORGANIZER']        = 1;
+        if (!empty($this->percentcomplete)) $output['PERCENT-COMPLETE'] = 1;
+        if (!empty($this->priority))        $output['PRIORITY']         = 1;
+        if (!empty($this->recurrenceid))    $output['RECURRENCE-ID']    = 1;
+        if (!empty($this->relatedto))       $output['RELATED-TO']       = count($this->relatedto);
+        if (!empty($this->repeat))          $output['REPEAT']           = 1;
+        if (!empty($this->requeststatus))   $output['REQUEST-STATUS']   = count($this->requeststatus);
+        if (!empty($this->resources))       $output['RESOURCES']        = count($this->resources);
+        if (!empty($this->sequence))        $output['SEQUENCE']         = 1;
+        if (!empty($this->status))          $output['STATUS']           = 1;
+        if (!empty($this->transp))          $output['TRANSP']           = 1;
+        if (!empty($this->trigger))         $output['TRIGGER']          = 1;
+        if (!empty($this->tzid))            $output['TZID']             = 1;
+        if (!empty($this->tzname))          $output['TZNAME']           = count($this->tzname);
+        if (!empty($this->tzoffsetfrom))    $output['TZOFFSETTFROM']    = 1;
+        if (!empty($this->tzoffsetto))      $output['TZOFFSETTO']       = 1;
+        if (!empty($this->tzurl))           $output['TZURL']            = 1;
+        if (!empty($this->url))             $output['URL']              = 1;
+        if (!empty($this->xprop))           $output['X-PROP']           = count($this->xprop);
         return $output;
         break;
       case 'UNIQUE_ID':
-        if( empty( $this->unique_id ))
-          $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
+        if (empty($this->unique_id))
+          $this->unique_id = (isset($_SERVER['SERVER_NAME'])) ? gethostbyname($_SERVER['SERVER_NAME']) : 'localhost';
         return $this->unique_id;
         break;
     }
@@ -5632,47 +5632,47 @@ 
  * @param string $value
  * @return void
  */
-  function setConfig( $config, $value ) {
+  function setConfig($config, $value) {
     $res = FALSE;
-    switch( strtoupper( $config )) {
+    switch (strtoupper($config)) {
       case 'ALLOWEMPTY':
         $this->allowEmpty = $value;
-        $subcfg = array( 'ALLOWEMPTY' => $value );
+        $subcfg = array('ALLOWEMPTY' => $value);
         $res    = TRUE;
         break;
       case 'FORMAT':
-        $value  = trim( $value );
+        $value  = trim($value);
         $this->format = $value;
         $this->_createFormat();
-        $subcfg = array( 'FORMAT' => $value );
+        $subcfg = array('FORMAT' => $value);
         $res    = TRUE;
         break;
       case 'LANGUAGE':
          // set language for calendar component as defined in [RFC 1766]
-        $value  = trim( $value );
+        $value  = trim($value);
         $this->language = $value;
-        $subcfg = array( 'LANGUAGE' => $value );
+        $subcfg = array('LANGUAGE' => $value);
         $res    = TRUE;
         break;
       case 'NL':
       case 'NEWLINECHAR':
         $this->nl = $value;
-        $subcfg = array( 'NL' => $value );
+        $subcfg = array('NL' => $value);
         $res    = TRUE;
         break;
       case 'UNIQUE_ID':
-        $value  = trim( $value );
+        $value  = trim($value);
         $this->unique_id = $value;
-        $subcfg = array( 'UNIQUE_ID' => $value );
+        $subcfg = array('UNIQUE_ID' => $value);
         $res    = TRUE;
         break;
     }
-    if( !$res ) return FALSE;
-    if( isset( $subcfg ) && !empty( $this->components )) {
-      foreach( $subcfg as $cfgkey => $cfgvalue ) {
-        foreach( $this->components as $cix => $component ) {
-          $res = $component->setConfig( $cfgkey, $cfgvalue );
-          if( !$res )
+    if (!$res) return FALSE;
+    if (isset($subcfg) && !empty($this->components)) {
+      foreach ($subcfg as $cfgkey => $cfgvalue) {
+        foreach ($this->components as $cix => $component) {
+          $res = $component->setConfig($cfgkey, $cfgvalue);
+          if (!$res)
             break 2;
           $this->components[$cix] = $component; // PHP4 compliant
         }
@@ -5690,248 +5690,248 @@ 
  * @param int @propix, optional, if specific property is wanted in case of multiply occurences
  * @return bool, if successfull delete TRUE
  */
-  function deleteProperty( $propName, $propix=FALSE ) {
-    if( $this->_notExistProp( $propName )) return FALSE;
-    $propName = strtoupper( $propName );
-    if( in_array( $propName, array( 'ATTACH',   'ATTENDEE', 'CATEGORIES', 'COMMENT',   'CONTACT', 'DESCRIPTION',    'EXDATE', 'EXRULE',
-                                    'FREEBUSY', 'RDATE',    'RELATED-TO', 'RESOURCES', 'RRULE',   'REQUEST-STATUS', 'TZNAME', 'X-PROP'  ))) {
-      if( !$propix )
-        $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+  function deleteProperty($propName, $propix = FALSE) {
+    if ($this->_notExistProp($propName)) return FALSE;
+    $propName = strtoupper($propName);
+    if (in_array($propName, array('ATTACH', 'ATTENDEE', 'CATEGORIES', 'COMMENT', 'CONTACT', 'DESCRIPTION', 'EXDATE', 'EXRULE',
+                                    'FREEBUSY', 'RDATE', 'RELATED-TO', 'RESOURCES', 'RRULE', 'REQUEST-STATUS', 'TZNAME', 'X-PROP'))) {
+      if (!$propix)
+        $propix = (isset($this->propdelix[$propName])) ? $this->propdelix[$propName] + 2 : 1;
       $this->propdelix[$propName] = --$propix;
     }
     $return = FALSE;
-    switch( $propName ) {
+    switch ($propName) {
       case 'ACTION':
-        if( !empty( $this->action )) {
+        if (!empty($this->action)) {
           $this->action = '';
           $return = TRUE;
         }
         break;
       case 'ATTACH':
-        return $this->deletePropertyM( $this->attach, $propix );
+        return $this->deletePropertyM($this->attach, $propix);
         break;
       case 'ATTENDEE':
-        return $this->deletePropertyM( $this->attendee, $propix );
+        return $this->deletePropertyM($this->attendee, $propix);
         break;
       case 'CATEGORIES':
-        return $this->deletePropertyM( $this->categories, $propix );
+        return $this->deletePropertyM($this->categories, $propix);
         break;
       case 'CLASS':
-        if( !empty( $this->class )) {
+        if (!empty($this->class)) {
           $this->class = '';
           $return = TRUE;
         }
         break;
       case 'COMMENT':
-        return $this->deletePropertyM( $this->comment, $propix );
+        return $this->deletePropertyM($this->comment, $propix);
         break;
       case 'COMPLETED':
-        if( !empty( $this->completed )) {
+        if (!empty($this->completed)) {
           $this->completed = '';
           $return = TRUE;
         }
         break;
       case 'CONTACT':
-        return $this->deletePropertyM( $this->contact, $propix );
+        return $this->deletePropertyM($this->contact, $propix);
         break;
       case 'CREATED':
-        if( !empty( $this->created )) {
+        if (!empty($this->created)) {
           $this->created = '';
           $return = TRUE;
         }
         break;
       case 'DESCRIPTION':
-        return $this->deletePropertyM( $this->description, $propix );
+        return $this->deletePropertyM($this->description, $propix);
         break;
       case 'DTEND':
-        if( !empty( $this->dtend )) {
+        if (!empty($this->dtend)) {
           $this->dtend = '';
           $return = TRUE;
         }
         break;
       case 'DTSTAMP':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
+        if (in_array($this->objName, array('valarm', 'vtimezone', 'standard', 'daylight')))
           return FALSE;
-        if( !empty( $this->dtstamp )) {
+        if (!empty($this->dtstamp)) {
           $this->dtstamp = '';
           $return = TRUE;
         }
         break;
       case 'DTSTART':
-        if( !empty( $this->dtstart )) {
+        if (!empty($this->dtstart)) {
           $this->dtstart = '';
           $return = TRUE;
         }
         break;
       case 'DUE':
-        if( !empty( $this->due )) {
+        if (!empty($this->due)) {
           $this->due = '';
           $return = TRUE;
         }
         break;
       case 'DURATION':
-        if( !empty( $this->duration )) {
+        if (!empty($this->duration)) {
           $this->duration = '';
           $return = TRUE;
         }
         break;
       case 'EXDATE':
-        return $this->deletePropertyM( $this->exdate, $propix );
+        return $this->deletePropertyM($this->exdate, $propix);
         break;
       case 'EXRULE':
-        return $this->deletePropertyM( $this->exrule, $propix );
+        return $this->deletePropertyM($this->exrule, $propix);
         break;
       case 'FREEBUSY':
-        return $this->deletePropertyM( $this->freebusy, $propix );
+        return $this->deletePropertyM($this->freebusy, $propix);
         break;
       case 'GEO':
-        if( !empty( $this->geo )) {
+        if (!empty($this->geo)) {
           $this->geo = '';
           $return = TRUE;
         }
         break;
       case 'LAST-MODIFIED':
-        if( !empty( $this->lastmodified )) {
+        if (!empty($this->lastmodified)) {
           $this->lastmodified = '';
           $return = TRUE;
         }
         break;
       case 'LOCATION':
-        if( !empty( $this->location )) {
+        if (!empty($this->location)) {
           $this->location = '';
           $return = TRUE;
         }
         break;
       case 'ORGANIZER':
-        if( !empty( $this->organizer )) {
+        if (!empty($this->organizer)) {
           $this->organizer = '';
           $return = TRUE;
         }
         break;
       case 'PERCENT-COMPLETE':
-        if( !empty( $this->percentcomplete )) {
+        if (!empty($this->percentcomplete)) {
           $this->percentcomplete = '';
           $return = TRUE;
         }
         break;
       case 'PRIORITY':
-        if( !empty( $this->priority )) {
+        if (!empty($this->priority)) {
           $this->priority = '';
           $return = TRUE;
         }
         break;
       case 'RDATE':
-        return $this->deletePropertyM( $this->rdate, $propix );
+        return $this->deletePropertyM($this->rdate, $propix);
         break;
       case 'RECURRENCE-ID':
-        if( !empty( $this->recurrenceid )) {
+        if (!empty($this->recurrenceid)) {
           $this->recurrenceid = '';
           $return = TRUE;
         }
         break;
       case 'RELATED-TO':
-        return $this->deletePropertyM( $this->relatedto, $propix );
+        return $this->deletePropertyM($this->relatedto, $propix);
         break;
       case 'REPEAT':
-        if( !empty( $this->repeat )) {
+        if (!empty($this->repeat)) {
           $this->repeat = '';
           $return = TRUE;
         }
         break;
       case 'REQUEST-STATUS':
-        return $this->deletePropertyM( $this->requeststatus, $propix );
+        return $this->deletePropertyM($this->requeststatus, $propix);
         break;
       case 'RESOURCES':
-        return $this->deletePropertyM( $this->resources, $propix );
+        return $this->deletePropertyM($this->resources, $propix);
         break;
       case 'RRULE':
-        return $this->deletePropertyM( $this->rrule, $propix );
+        return $this->deletePropertyM($this->rrule, $propix);
         break;
       case 'SEQUENCE':
-        if( !empty( $this->sequence )) {
+        if (!empty($this->sequence)) {
           $this->sequence = '';
           $return = TRUE;
         }
         break;
       case 'STATUS':
-        if( !empty( $this->status )) {
+        if (!empty($this->status)) {
           $this->status = '';
           $return = TRUE;
         }
         break;
       case 'SUMMARY':
-        if( !empty( $this->summary )) {
+        if (!empty($this->summary)) {
           $this->summary = '';
           $return = TRUE;
         }
         break;
       case 'TRANSP':
-        if( !empty( $this->transp )) {
+        if (!empty($this->transp)) {
           $this->transp = '';
           $return = TRUE;
         }
         break;
       case 'TRIGGER':
-        if( !empty( $this->trigger )) {
+        if (!empty($this->trigger)) {
           $this->trigger = '';
           $return = TRUE;
         }
         break;
       case 'TZID':
-        if( !empty( $this->tzid )) {
+        if (!empty($this->tzid)) {
           $this->tzid = '';
           $return = TRUE;
         }
         break;
       case 'TZNAME':
-        return $this->deletePropertyM( $this->tzname, $propix );
+        return $this->deletePropertyM($this->tzname, $propix);
         break;
       case 'TZOFFSETFROM':
-        if( !empty( $this->tzoffsetfrom )) {
+        if (!empty($this->tzoffsetfrom)) {
           $this->tzoffsetfrom = '';
           $return = TRUE;
         }
         break;
       case 'TZOFFSETTO':
-        if( !empty( $this->tzoffsetto )) {
+        if (!empty($this->tzoffsetto)) {
           $this->tzoffsetto = '';
           $return = TRUE;
         }
         break;
       case 'TZURL':
-        if( !empty( $this->tzurl )) {
+        if (!empty($this->tzurl)) {
           $this->tzurl = '';
           $return = TRUE;
         }
         break;
       case 'UID':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
+        if (in_array($this->objName, array('valarm', 'vtimezone', 'standard', 'daylight')))
           return FALSE;
-        if( !empty( $this->uid )) {
+        if (!empty($this->uid)) {
           $this->uid = '';
           $return = TRUE;
         }
         break;
       case 'URL':
-        if( !empty( $this->url )) {
+        if (!empty($this->url)) {
           $this->url = '';
           $return = TRUE;
         }
         break;
       default:
         $reduced = '';
-        if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          foreach( $this->xprop as $k => $a ) {
-            if(( $k != $propName ) && !empty( $a ))
+        if ($propName != 'X-PROP') {
+          if (!isset($this->xprop[$propName])) return FALSE;
+          foreach ($this->xprop as $k => $a) {
+            if (($k != $propName) && !empty($a))
               $reduced[$k] = $a;
           }
         }
         else {
-          if( count( $this->xprop ) <= $propix )  return FALSE;
+          if (count($this->xprop) <= $propix)  return FALSE;
           $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix != $xpropno )
+          foreach ($this->xprop as $xpropkey => $xpropvalue) {
+            if ($propix != $xpropno)
               $reduced[$xpropkey] = $xpropvalue;
             $xpropno++;
           }
@@ -5951,11 +5951,11 @@ 
  * @param int @propix, default 0
  * @return bool TRUE
  */
-  function deletePropertyM( & $multiprop, $propix=0 ) {
-    if( !isset( $multiprop[$propix])) return FALSE;
-    unset( $multiprop[$propix] );
-    if( empty( $multiprop )) $multiprop = '';
-    return ( isset( $this->multiprop[$propix] )) ? FALSE : TRUE;
+  function deletePropertyM(& $multiprop, $propix = 0) {
+    if (!isset($multiprop[$propix])) return FALSE;
+    unset($multiprop[$propix]);
+    if (empty($multiprop)) $multiprop = '';
+    return (isset($this->multiprop[$propix])) ? FALSE : TRUE;
   }
 /**
  * get component property value/params
@@ -5970,183 +5970,183 @@ 
  * @param bool $specform=FALSE
  * @return mixed
  */
-  function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE, $specform=FALSE ) {
-    if( $this->_notExistProp( $propName )) return FALSE;
-    $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
-    if( in_array( $propName, array( 'ATTACH',   'ATTENDEE', 'CATEGORIES', 'COMMENT',   'CONTACT', 'DESCRIPTION',    'EXDATE', 'EXRULE',
-                                    'FREEBUSY', 'RDATE',    'RELATED-TO', 'RESOURCES', 'RRULE',   'REQUEST-STATUS', 'TZNAME', 'X-PROP'  ))) {
-      if( !$propix )
-        $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
+  function getProperty($propName = FALSE, $propix = FALSE, $inclParam = FALSE, $specform = FALSE) {
+    if ($this->_notExistProp($propName)) return FALSE;
+    $propName = ($propName) ? strtoupper($propName) : 'X-PROP';
+    if (in_array($propName, array('ATTACH', 'ATTENDEE', 'CATEGORIES', 'COMMENT', 'CONTACT', 'DESCRIPTION', 'EXDATE', 'EXRULE',
+                                    'FREEBUSY', 'RDATE', 'RELATED-TO', 'RESOURCES', 'RRULE', 'REQUEST-STATUS', 'TZNAME', 'X-PROP'))) {
+      if (!$propix)
+        $propix = (isset($this->propix[$propName])) ? $this->propix[$propName] + 2 : 1;
       $this->propix[$propName] = --$propix;
     }
-    switch( $propName ) {
+    switch ($propName) {
       case 'ACTION':
-        if( !empty( $this->action['value'] )) return ( $inclParam ) ? $this->action : $this->action['value'];
+        if (!empty($this->action['value'])) return ($inclParam) ? $this->action : $this->action['value'];
         break;
       case 'ATTACH':
-        if( !isset( $this->attach[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->attach[$propix] : $this->attach[$propix]['value'];
+        if (!isset($this->attach[$propix])) return FALSE;
+        return ($inclParam) ? $this->attach[$propix] : $this->attach[$propix]['value'];
         break;
       case 'ATTENDEE':
-        if( !isset( $this->attendee[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->attendee[$propix] : $this->attendee[$propix]['value'];
+        if (!isset($this->attendee[$propix])) return FALSE;
+        return ($inclParam) ? $this->attendee[$propix] : $this->attendee[$propix]['value'];
         break;
       case 'CATEGORIES':
-        if( !isset( $this->categories[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->categories[$propix] : $this->categories[$propix]['value'];
+        if (!isset($this->categories[$propix])) return FALSE;
+        return ($inclParam) ? $this->categories[$propix] : $this->categories[$propix]['value'];
         break;
       case 'CLASS':
-        if( !empty( $this->class['value'] )) return ( $inclParam ) ? $this->class : $this->class['value'];
+        if (!empty($this->class['value'])) return ($inclParam) ? $this->class : $this->class['value'];
         break;
       case 'COMMENT':
-        if( !isset( $this->comment[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->comment[$propix] : $this->comment[$propix]['value'];
+        if (!isset($this->comment[$propix])) return FALSE;
+        return ($inclParam) ? $this->comment[$propix] : $this->comment[$propix]['value'];
         break;
       case 'COMPLETED':
-        if( !empty( $this->completed['value'] )) return ( $inclParam ) ? $this->completed : $this->completed['value'];
+        if (!empty($this->completed['value'])) return ($inclParam) ? $this->completed : $this->completed['value'];
         break;
       case 'CONTACT':
-        if( !isset( $this->contact[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->contact[$propix] : $this->contact[$propix]['value'];
+        if (!isset($this->contact[$propix])) return FALSE;
+        return ($inclParam) ? $this->contact[$propix] : $this->contact[$propix]['value'];
         break;
       case 'CREATED':
-        if( !empty( $this->created['value'] )) return ( $inclParam ) ? $this->created : $this->created['value'];
+        if (!empty($this->created['value'])) return ($inclParam) ? $this->created : $this->created['value'];
         break;
       case 'DESCRIPTION':
-        if( !isset( $this->description[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->description[$propix] : $this->description[$propix]['value'];
+        if (!isset($this->description[$propix])) return FALSE;
+        return ($inclParam) ? $this->description[$propix] : $this->description[$propix]['value'];
         break;
       case 'DTEND':
-        if( !empty( $this->dtend['value'] )) return ( $inclParam ) ? $this->dtend : $this->dtend['value'];
+        if (!empty($this->dtend['value'])) return ($inclParam) ? $this->dtend : $this->dtend['value'];
         break;
       case 'DTSTAMP':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
+        if (in_array($this->objName, array('valarm', 'vtimezone', 'standard', 'daylight')))
           return;
-        if( !isset( $this->dtstamp['value'] ))
+        if (!isset($this->dtstamp['value']))
           $this->_makeDtstamp();
-        return ( $inclParam ) ? $this->dtstamp : $this->dtstamp['value'];
+        return ($inclParam) ? $this->dtstamp : $this->dtstamp['value'];
         break;
       case 'DTSTART':
-        if( !empty( $this->dtstart['value'] )) return ( $inclParam ) ? $this->dtstart : $this->dtstart['value'];
+        if (!empty($this->dtstart['value'])) return ($inclParam) ? $this->dtstart : $this->dtstart['value'];
         break;
       case 'DUE':
-        if( !empty( $this->due['value'] )) return ( $inclParam ) ? $this->due : $this->due['value'];
+        if (!empty($this->due['value'])) return ($inclParam) ? $this->due : $this->due['value'];
         break;
       case 'DURATION':
-        if( !isset( $this->duration['value'] )) return FALSE;
-        $value = ( $specform ) ? $this->duration2date() : $this->duration['value'];
-        return ( $inclParam ) ? array( 'value' => $value, 'params' =>  $this->duration['params'] ) : $value;
+        if (!isset($this->duration['value'])) return FALSE;
+        $value = ($specform) ? $this->duration2date() : $this->duration['value'];
+        return ($inclParam) ? array('value' => $value, 'params' =>  $this->duration['params']) : $value;
         break;
       case 'EXDATE':
-        if( !isset( $this->exdate[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->exdate[$propix] : $this->exdate[$propix]['value'];
+        if (!isset($this->exdate[$propix])) return FALSE;
+        return ($inclParam) ? $this->exdate[$propix] : $this->exdate[$propix]['value'];
         break;
       case 'EXRULE':
-        if( !isset( $this->exrule[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->exrule[$propix] : $this->exrule[$propix]['value'];
+        if (!isset($this->exrule[$propix])) return FALSE;
+        return ($inclParam) ? $this->exrule[$propix] : $this->exrule[$propix]['value'];
         break;
       case 'FREEBUSY':
-        if( !isset( $this->freebusy[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->freebusy[$propix] : $this->freebusy[$propix]['value'];
+        if (!isset($this->freebusy[$propix])) return FALSE;
+        return ($inclParam) ? $this->freebusy[$propix] : $this->freebusy[$propix]['value'];
         break;
       case 'GEO':
-        if( !empty( $this->geo['value'] )) return ( $inclParam ) ? $this->geo : $this->geo['value'];
+        if (!empty($this->geo['value'])) return ($inclParam) ? $this->geo : $this->geo['value'];
         break;
       case 'LAST-MODIFIED':
-        if( !empty( $this->lastmodified['value'] )) return ( $inclParam ) ? $this->lastmodified : $this->lastmodified['value'];
+        if (!empty($this->lastmodified['value'])) return ($inclParam) ? $this->lastmodified : $this->lastmodified['value'];
         break;
       case 'LOCATION':
-        if( !empty( $this->location['value'] )) return ( $inclParam ) ? $this->location : $this->location['value'];
+        if (!empty($this->location['value'])) return ($inclParam) ? $this->location : $this->location['value'];
         break;
       case 'ORGANIZER':
-        if( !empty( $this->organizer['value'] )) return ( $inclParam ) ? $this->organizer : $this->organizer['value'];
+        if (!empty($this->organizer['value'])) return ($inclParam) ? $this->organizer : $this->organizer['value'];
         break;
       case 'PERCENT-COMPLETE':
-        if( !empty( $this->percentcomplete['value'] )) return ( $inclParam ) ? $this->percentcomplete : $this->percentcomplete['value'];
+        if (!empty($this->percentcomplete['value'])) return ($inclParam) ? $this->percentcomplete : $this->percentcomplete['value'];
         break;
       case 'PRIORITY':
-        if( !empty( $this->priority['value'] )) return ( $inclParam ) ? $this->priority : $this->priority['value'];
+        if (!empty($this->priority['value'])) return ($inclParam) ? $this->priority : $this->priority['value'];
         break;
       case 'RDATE':
-        if( !isset( $this->rdate[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->rdate[$propix] : $this->rdate[$propix]['value'];
+        if (!isset($this->rdate[$propix])) return FALSE;
+        return ($inclParam) ? $this->rdate[$propix] : $this->rdate[$propix]['value'];
         break;
       case 'RECURRENCE-ID':
-        if( !empty( $this->recurrenceid['value'] )) return ( $inclParam ) ? $this->recurrenceid : $this->recurrenceid['value'];
+        if (!empty($this->recurrenceid['value'])) return ($inclParam) ? $this->recurrenceid : $this->recurrenceid['value'];
         break;
       case 'RELATED-TO':
-        if( !isset( $this->relatedto[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->relatedto[$propix] : $this->relatedto[$propix]['value'];
+        if (!isset($this->relatedto[$propix])) return FALSE;
+        return ($inclParam) ? $this->relatedto[$propix] : $this->relatedto[$propix]['value'];
         break;
       case 'REPEAT':
-        if( !empty( $this->repeat['value'] )) return ( $inclParam ) ? $this->repeat : $this->repeat['value'];
+        if (!empty($this->repeat['value'])) return ($inclParam) ? $this->repeat : $this->repeat['value'];
         break;
       case 'REQUEST-STATUS':
-        if( !isset( $this->requeststatus[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->requeststatus[$propix] : $this->requeststatus[$propix]['value'];
+        if (!isset($this->requeststatus[$propix])) return FALSE;
+        return ($inclParam) ? $this->requeststatus[$propix] : $this->requeststatus[$propix]['value'];
         break;
       case 'RESOURCES':
-        if( !isset( $this->resources[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->resources[$propix] : $this->resources[$propix]['value'];
+        if (!isset($this->resources[$propix])) return FALSE;
+        return ($inclParam) ? $this->resources[$propix] : $this->resources[$propix]['value'];
         break;
       case 'RRULE':
-        if( !isset( $this->rrule[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->rrule[$propix] : $this->rrule[$propix]['value'];
+        if (!isset($this->rrule[$propix])) return FALSE;
+        return ($inclParam) ? $this->rrule[$propix] : $this->rrule[$propix]['value'];
         break;
       case 'SEQUENCE':
-        if( !empty( $this->sequence['value'] )) return ( $inclParam ) ? $this->sequence : $this->sequence['value'];
+        if (!empty($this->sequence['value'])) return ($inclParam) ? $this->sequence : $this->sequence['value'];
         break;
       case 'STATUS':
-        if( !empty( $this->status['value'] )) return ( $inclParam ) ? $this->status : $this->status['value'];
+        if (!empty($this->status['value'])) return ($inclParam) ? $this->status : $this->status['value'];
         break;
       case 'SUMMARY':
-        if( !empty( $this->summary['value'] )) return ( $inclParam ) ? $this->summary : $this->summary['value'];
+        if (!empty($this->summary['value'])) return ($inclParam) ? $this->summary : $this->summary['value'];
         break;
       case 'TRANSP':
-        if( !empty( $this->transp['value'] )) return ( $inclParam ) ? $this->transp : $this->transp['value'];
+        if (!empty($this->transp['value'])) return ($inclParam) ? $this->transp : $this->transp['value'];
         break;
       case 'TRIGGER':
-        if( !empty( $this->trigger['value'] )) return ( $inclParam ) ? $this->trigger : $this->trigger['value'];
+        if (!empty($this->trigger['value'])) return ($inclParam) ? $this->trigger : $this->trigger['value'];
         break;
       case 'TZID':
-        if( !empty( $this->tzid['value'] )) return ( $inclParam ) ? $this->tzid : $this->tzid['value'];
+        if (!empty($this->tzid['value'])) return ($inclParam) ? $this->tzid : $this->tzid['value'];
         break;
       case 'TZNAME':
-        if( !isset( $this->tzname[$propix] )) return FALSE;
-        return ( $inclParam ) ? $this->tzname[$propix] : $this->tzname[$propix]['value'];
+        if (!isset($this->tzname[$propix])) return FALSE;
+        return ($inclParam) ? $this->tzname[$propix] : $this->tzname[$propix]['value'];
         break;
       case 'TZOFFSETFROM':
-        if( !empty( $this->tzoffsetfrom['value'] )) return ( $inclParam ) ? $this->tzoffsetfrom : $this->tzoffsetfrom['value'];
+        if (!empty($this->tzoffsetfrom['value'])) return ($inclParam) ? $this->tzoffsetfrom : $this->tzoffsetfrom['value'];
         break;
       case 'TZOFFSETTO':
-        if( !empty( $this->tzoffsetto['value'] )) return ( $inclParam ) ? $this->tzoffsetto : $this->tzoffsetto['value'];
+        if (!empty($this->tzoffsetto['value'])) return ($inclParam) ? $this->tzoffsetto : $this->tzoffsetto['value'];
         break;
       case 'TZURL':
-        if( !empty( $this->tzurl['value'] )) return ( $inclParam ) ? $this->tzurl : $this->tzurl['value'];
+        if (!empty($this->tzurl['value'])) return ($inclParam) ? $this->tzurl : $this->tzurl['value'];
         break;
       case 'UID':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
+        if (in_array($this->objName, array('valarm', 'vtimezone', 'standard', 'daylight')))
           return FALSE;
-        if( empty( $this->uid['value'] ))
+        if (empty($this->uid['value']))
           $this->_makeuid();
-        return ( $inclParam ) ? $this->uid : $this->uid['value'];
+        return ($inclParam) ? $this->uid : $this->uid['value'];
         break;
       case 'URL':
-        if( !empty( $this->url['value'] )) return ( $inclParam ) ? $this->url : $this->url['value'];
+        if (!empty($this->url['value'])) return ($inclParam) ? $this->url : $this->url['value'];
         break;
       default:
-        if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
-          return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
-                                : array( $propName, $this->xprop[$propName]['value'] );
+        if ($propName != 'X-PROP') {
+          if (!isset($this->xprop[$propName])) return FALSE;
+          return ($inclParam) ? array($propName, $this->xprop[$propName])
+                                : array($propName, $this->xprop[$propName]['value']);
         }
         else {
-          if( empty( $this->xprop )) return FALSE;
+          if (empty($this->xprop)) return FALSE;
           $xpropno = 0;
-          foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix == $xpropno )
-              return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
-                                    : array( $xpropkey, $this->xprop[$xpropkey]['value'] );
+          foreach ($this->xprop as $xpropkey => $xpropvalue) {
+            if ($propix == $xpropno)
+              return ($inclParam) ? array($xpropkey, $this->xprop[$xpropkey])
+                                    : array($xpropkey, $this->xprop[$xpropkey]['value']);
             else
               $xpropno++;
           }
@@ -6167,105 +6167,105 @@ 
  */
   function setProperty() {
     $numargs    = func_num_args();
-    if( 1 > $numargs ) return FALSE;
+    if (1 > $numargs) return FALSE;
     $arglist    = func_get_args();
-    if( $this->_notExistProp( $arglist[0] )) return FALSE;
-    if( !$this->getConfig( 'allowEmpty' ) && ( !isset( $arglist[1] ) || empty( $arglist[1] )))
+    if ($this->_notExistProp($arglist[0])) return FALSE;
+    if (!$this->getConfig('allowEmpty') && (!isset($arglist[1]) || empty($arglist[1])))
       return FALSE;
-    $arglist[0] = strtoupper( $arglist[0] );
-    for( $argix=$numargs; $argix < 12; $argix++ ) {
-      if( !isset( $arglist[$argix] ))
+    $arglist[0] = strtoupper($arglist[0]);
+    for ($argix = $numargs; $argix < 12; $argix++) {
+      if (!isset($arglist[$argix]))
         $arglist[$argix] = null;
     }
-    switch( $arglist[0] ) {
+    switch ($arglist[0]) {
       case 'ACTION':
-        return $this->setAction( $arglist[1], $arglist[2] );
+        return $this->setAction($arglist[1], $arglist[2]);
       case 'ATTACH':
-        return $this->setAttach( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setAttach($arglist[1], $arglist[2], $arglist[3]);
       case 'ATTENDEE':
-        return $this->setAttendee( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setAttendee($arglist[1], $arglist[2], $arglist[3]);
       case 'CATEGORIES':
-        return $this->setCategories( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setCategories($arglist[1], $arglist[2], $arglist[3]);
       case 'CLASS':
-        return $this->setClass( $arglist[1], $arglist[2] );
+        return $this->setClass($arglist[1], $arglist[2]);
       case 'COMMENT':
-        return $this->setComment( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setComment($arglist[1], $arglist[2], $arglist[3]);
       case 'COMPLETED':
-        return $this->setCompleted( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
+        return $this->setCompleted($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7]);
       case 'CONTACT':
-        return $this->setContact( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setContact($arglist[1], $arglist[2], $arglist[3]);
       case 'CREATED':
-        return $this->setCreated( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
+        return $this->setCreated($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7]);
       case 'DESCRIPTION':
-        return $this->setDescription( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setDescription($arglist[1], $arglist[2], $arglist[3]);
       case 'DTEND':
-        return $this->setDtend( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
+        return $this->setDtend($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8]);
       case 'DTSTAMP':
-        return $this->setDtstamp( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
+        return $this->setDtstamp($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7]);
       case 'DTSTART':
-        return $this->setDtstart( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
+        return $this->setDtstart($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8]);
       case 'DUE':
-        return $this->setDue( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
+        return $this->setDue($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8]);
       case 'DURATION':
-        return $this->setDuration( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6] );
+        return $this->setDuration($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6]);
       case 'EXDATE':
-        return $this->setExdate( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setExdate($arglist[1], $arglist[2], $arglist[3]);
       case 'EXRULE':
-        return $this->setExrule( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setExrule($arglist[1], $arglist[2], $arglist[3]);
       case 'FREEBUSY':
-        return $this->setFreebusy( $arglist[1], $arglist[2], $arglist[3], $arglist[4] );
+        return $this->setFreebusy($arglist[1], $arglist[2], $arglist[3], $arglist[4]);
       case 'GEO':
-        return $this->setGeo( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setGeo($arglist[1], $arglist[2], $arglist[3]);
       case 'LAST-MODIFIED':
-        return $this->setLastModified( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] );
+        return $this->setLastModified($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7]);
       case 'LOCATION':
-        return $this->setLocation( $arglist[1], $arglist[2] );
+        return $this->setLocation($arglist[1], $arglist[2]);
       case 'ORGANIZER':
-        return $this->setOrganizer( $arglist[1], $arglist[2] );
+        return $this->setOrganizer($arglist[1], $arglist[2]);
       case 'PERCENT-COMPLETE':
-        return $this->setPercentComplete( $arglist[1], $arglist[2] );
+        return $this->setPercentComplete($arglist[1], $arglist[2]);
       case 'PRIORITY':
-        return $this->setPriority( $arglist[1], $arglist[2] );
+        return $this->setPriority($arglist[1], $arglist[2]);
       case 'RDATE':
-        return $this->setRdate( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setRdate($arglist[1], $arglist[2], $arglist[3]);
       case 'RECURRENCE-ID':
-       return $this->setRecurrenceid( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] );
+       return $this->setRecurrenceid($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8]);
       case 'RELATED-TO':
-        return $this->setRelatedTo( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setRelatedTo($arglist[1], $arglist[2], $arglist[3]);
       case 'REPEAT':
-        return $this->setRepeat( $arglist[1], $arglist[2] );
+        return $this->setRepeat($arglist[1], $arglist[2]);
       case 'REQUEST-STATUS':
-        return $this->setRequestStatus( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5] );
+        return $this->setRequestStatus($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5]);
       case 'RESOURCES':
-        return $this->setResources( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setResources($arglist[1], $arglist[2], $arglist[3]);
       case 'RRULE':
-        return $this->setRrule( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setRrule($arglist[1], $arglist[2], $arglist[3]);
       case 'SEQUENCE':
-        return $this->setSequence( $arglist[1], $arglist[2] );
+        return $this->setSequence($arglist[1], $arglist[2]);
       case 'STATUS':
-        return $this->setStatus( $arglist[1], $arglist[2] );
+        return $this->setStatus($arglist[1], $arglist[2]);
       case 'SUMMARY':
-        return $this->setSummary( $arglist[1], $arglist[2] );
+        return $this->setSummary($arglist[1], $arglist[2]);
       case 'TRANSP':
-        return $this->setTransp( $arglist[1], $arglist[2] );
+        return $this->setTransp($arglist[1], $arglist[2]);
       case 'TRIGGER':
-        return $this->setTrigger( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8], $arglist[9], $arglist[10], $arglist[11] );
+        return $this->setTrigger($arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8], $arglist[9], $arglist[10], $arglist[11]);
       case 'TZID':
-        return $this->setTzid( $arglist[1], $arglist[2] );
+        return $this->setTzid($arglist[1], $arglist[2]);
       case 'TZNAME':
-        return $this->setTzname( $arglist[1], $arglist[2], $arglist[3] );
+        return $this->setTzname($arglist[1], $arglist[2], $arglist[3]);
       case 'TZOFFSETFROM':
-        return $this->setTzoffsetfrom( $arglist[1], $arglist[2] );
+        return $this->setTzoffsetfrom($arglist[1], $arglist[2]);
       case 'TZOFFSETTO':
-        return $this->setTzoffsetto( $arglist[1], $arglist[2] );
+        return $this->setTzoffsetto($arglist[1], $arglist[2]);
       case 'TZURL':
-        return $this->setTzurl( $arglist[1], $arglist[2] );
+        return $this->setTzurl($arglist[1], $arglist[2]);
       case 'UID':
-        return $this->setUid( $arglist[1], $arglist[2] );
+        return $this->setUid($arglist[1], $arglist[2]);
       case 'URL':
-        return $this->setUrl( $arglist[1], $arglist[2] );
+        return $this->setUrl($arglist[1], $arglist[2]);
       default:
-        return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] );
+        return $this->setXprop($arglist[0], $arglist[1], $arglist[2]);
     }
     return FALSE;
   }
@@ -6279,18 +6279,18 @@ 
  * @return bool FALSE if error occurs during parsing
  *
  */
-  function parse( $unparsedtext=null ) {
-    if( $unparsedtext ) {
+  function parse($unparsedtext = null) {
+    if ($unparsedtext) {
       $this->unparsed = array();
-      if( is_array( $unparsedtext )) {
+      if (is_array($unparsedtext)) {
         $comp = & $this;
-        foreach ( $unparsedtext as $line ) {
-          if( 'END:VALARM' == strtoupper( substr( $line, 0, 10 ))) {
-            $this->setComponent( $comp );
-            $comp =  & $this;
+        foreach ($unparsedtext as $line) {
+          if ('END:VALARM' == strtoupper(substr($line, 0, 10))) {
+            $this->setComponent($comp);
+            $comp = & $this;
             continue;
           }
-          elseif( 'BEGIN:VALARM' == strtoupper( substr( $line, 0, 12 ))) {
+          elseif ('BEGIN:VALARM' == strtoupper(substr($line, 0, 12))) {
             $comp = new valarm();
             continue;
           }
@@ -6299,215 +6299,215 @@ 
         }
       }
       else
-        $this->unparsed = array( trim( $unparsedtext ));
+        $this->unparsed = array(trim($unparsedtext));
     }
-    elseif( !isset( $this->unparsed ))
+    elseif (!isset($this->unparsed))
       $this->unparsed = array();
             /* concatenate property values spread over several lines */
     $lastix    = -1;
-    $propnames = array( 'action', 'attach', 'attendee', 'categories', 'comment', 'completed'
+    $propnames = array('action', 'attach', 'attendee', 'categories', 'comment', 'completed'
                       , 'contact', 'class', 'created', 'description', 'dtend', 'dtstart'
                       , 'dtstamp', 'due', 'duration', 'exdate', 'exrule', 'freebusy', 'geo'
                       , 'last-modified', 'location', 'organizer', 'percent-complete'
                       , 'priority', 'rdate', 'recurrence-id', 'related-to', 'repeat'
                       , 'request-status', 'resources', 'rrule', 'sequence', 'status'
                       , 'summary', 'transp', 'trigger', 'tzid', 'tzname', 'tzoffsetfrom'
-                      , 'tzoffsetto', 'tzurl', 'uid', 'url', 'x-' );
+                      , 'tzoffsetto', 'tzurl', 'uid', 'url', 'x-');
     $proprows  = array();
-    foreach( $this->unparsed as $line ) {
+    foreach ($this->unparsed as $line) {
       $newProp = FALSE;
-      foreach ( $propnames as $propname ) {
-        if( $propname == strtolower( substr( $line, 0, strlen( $propname )))) {
+      foreach ($propnames as $propname) {
+        if ($propname == strtolower(substr($line, 0, strlen($propname)))) {
           $newProp = TRUE;
           break;
         }
       }
-      if( $newProp ) {
+      if ($newProp) {
         $newProp = FALSE;
         $lastix++;
-        $proprows[$lastix]  = $line;
+        $proprows[$lastix] = $line;
       }
       else {
             /* remove line breaks */
-        if(( '\n' == substr( $proprows[$lastix], -2 )) &&
-           (  ' ' == substr( $line, 0, 1 ))) {
-          $proprows[$lastix] = substr( $proprows[$lastix], 0, strlen( $proprows[$lastix] ) - 2 );
-          $line = substr( $line, 1 );
+        if (('\n' == substr($proprows[$lastix], -2)) &&
+           (' ' == substr($line, 0, 1))) {
+          $proprows[$lastix] = substr($proprows[$lastix], 0, strlen($proprows[$lastix]) - 2);
+          $line = substr($line, 1);
         }
         $proprows[$lastix] .= $line;
       }
     }
             /* parse each property 'line' */
-    foreach( $proprows as $line ) {
-      $line = str_replace( "\n ", '', $line );
-      if( '\n' == substr( $line, -2 ))
-        $line = substr( $line, 0, strlen( $line ) - 2 );
+    foreach ($proprows as $line) {
+      $line = str_replace("\n ", '', $line);
+      if ('\n' == substr($line, -2))
+        $line = substr($line, 0, strlen($line) - 2);
             /* get propname, (problem with x-properties, otherwise in previous loop) */
       $cix = $propname = null;
-      for( $cix=0; $cix < strlen( $line ); $cix++ ) {
-        if( in_array( $line{$cix}, array( ':', ';' )))
+      for ($cix = 0; $cix < strlen($line); $cix++) {
+        if (in_array($line{$cix}, array(':', ';')))
           break;
         else {
           $propname .= $line{$cix};
         }
       }
-      if(( 'x-' == substr( $propname, 0, 2 )) || ( 'X-' == substr( $propname, 0, 2 ))) {
+      if (('x-' == substr($propname, 0, 2)) || ('X-' == substr($propname, 0, 2))) {
         $propname2 = $propname;
         $propname  = 'X-';
       }
             /* rest of the line is opt.params and value */
-      $line = substr( $line, $cix );
+      $line = substr($line, $cix);
             /* separate attributes from value */
       $attr   = array();
       $attrix = -1;
-      $strlen = strlen( $line );
-      for( $cix=0; $cix < $strlen; $cix++ ) {
-        if((       ':'   == $line{$cix} )             &&
-                 ( '://' != substr( $line, $cix, 3 )) &&
-           ( 'mailto:'   != strtolower( substr( $line, $cix - 6, 7 )))) {
+      $strlen = strlen($line);
+      for ($cix = 0; $cix < $strlen; $cix++) {
+        if ((':' == $line{$cix} ) &&
+                 ('://' != substr($line, $cix, 3)) &&
+           ('mailto:' != strtolower(substr($line, $cix - 6, 7)))) {
           $attrEnd = TRUE;
-          if(( $cix < ( $strlen - 4 )) &&
-               ctype_digit( substr( $line, $cix+1, 4 ))) { // an URI with a (4pos) portnr??
-            for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) {
-              if( '://' == substr( $line, $c2ix - 2, 3 )) {
+          if (($cix < ($strlen - 4)) &&
+               ctype_digit(substr($line, $cix + 1, 4))) { // an URI with a (4pos) portnr??
+            for ($c2ix = $cix; 3 < $c2ix; $c2ix--) {
+              if ('://' == substr($line, $c2ix - 2, 3)) {
                 $attrEnd = FALSE;
                 break; // an URI with a portnr!!
               }
             }
           }
-          if( $attrEnd) {
-            $line = substr( $line, $cix + 1 );
+          if ($attrEnd) {
+            $line = substr($line, $cix + 1);
             break;
           }
         }
-        if( ';' == $line{$cix} )
+        if (';' == $line{$cix} )
           $attr[++$attrix] = null;
         else
           $attr[$attrix] .= $line{$cix};
       }
             /* make attributes in array format */
       $propattr = array();
-      foreach( $attr as $attribute ) {
-        $attrsplit = explode( '=', $attribute, 2 );
-        if( 1 < count( $attrsplit ))
+      foreach ($attr as $attribute) {
+        $attrsplit = explode('=', $attribute, 2);
+        if (1 < count($attrsplit))
           $propattr[$attrsplit[0]] = $attrsplit[1];
         else
           $propattr[] = $attribute;
       }
             /* call setProperty( $propname.. . */
-      switch( $propname ) {
+      switch ($propname) {
         case 'ATTENDEE':
-          foreach( $propattr as $pix => $attr ) {
-            $attr2 = explode( ',', $attr );
-              if( 1 < count( $attr2 ))
+          foreach ($propattr as $pix => $attr) {
+            $attr2 = explode(',', $attr);
+              if (1 < count($attr2))
                 $propattr[$pix] = $attr2;
           }
-          $this->setProperty( $propname, $line, $propattr );
+          $this->setProperty($propname, $line, $propattr);
           break;
         case 'CATEGORIES':
         case 'RESOURCES':
-          if( FALSE !== strpos( $line, ',' )) {
-            $content  = explode( ',', $line );
-            $clen     = count( $content );
-            for( $cix = 0; $cix < $clen; $cix++ ) {
-              if( "\\" == substr($content[$cix], -1)) {
+          if (FALSE !== strpos($line, ',')) {
+            $content  = explode(',', $line);
+            $clen     = count($content);
+            for ($cix = 0; $cix < $clen; $cix++) {
+              if ("\\" == substr($content[$cix], -1)) {
                 $content[$cix] .= ','.$content[$cix + 1];
                 unset($content[$cix + 1]);
                 $cix++;
               }
             }
-            if( 1 < count( $content )) {
-              $content = array_values( $content );
-              foreach( $content as $cix => $contentPart )
-                $content[$cix] = $this->_strunrep( $contentPart );
-              $this->setProperty( $propname, $content, $propattr );
+            if (1 < count($content)) {
+              $content = array_values($content);
+              foreach ($content as $cix => $contentPart)
+                $content[$cix] = $this->_strunrep($contentPart);
+              $this->setProperty($propname, $content, $propattr);
               break;
             }
             else
-              $line = reset( $content );
+              $line = reset($content);
           }
         case 'X-':
-          $propname = ( isset( $propname2 )) ? $propname2 : $propname;
+          $propname = (isset($propname2)) ? $propname2 : $propname;
         case 'COMMENT':
         case 'CONTACT':
         case 'DESCRIPTION':
         case 'LOCATION':
         case 'SUMMARY':
-          if( empty( $line ))
+          if (empty($line))
             $propattr = null;
-          $this->setProperty( $propname, $this->_strunrep( $line ), $propattr );
-          unset( $propname2 );
+          $this->setProperty($propname, $this->_strunrep($line), $propattr);
+          unset($propname2);
           break;
         case 'REQUEST-STATUS':
-          $values    = explode( ';', $line, 3 );
-          $values[1] = ( !isset( $values[1] )) ? null : $this->_strunrep( $values[1] );
-          $values[2] = ( !isset( $values[2] )) ? null : $this->_strunrep( $values[2] );
-          $this->setProperty( $propname
+          $values    = explode(';', $line, 3);
+          $values[1] = (!isset($values[1])) ? null : $this->_strunrep($values[1]);
+          $values[2] = (!isset($values[2])) ? null : $this->_strunrep($values[2]);
+          $this->setProperty($propname
                             , $values[0]  // statcode
                             , $values[1]  // statdesc
                             , $values[2]  // extdata
-                            , $propattr );
+                            , $propattr);
           break;
         case 'FREEBUSY':
-          $fbtype = ( isset( $propattr['FBTYPE'] )) ? $propattr['FBTYPE'] : ''; // force setting default, if missing
-          unset( $propattr['FBTYPE'] );
-          $values = explode( ',', $line );
-          foreach( $values as $vix => $value ) {
-            $value2 = explode( '/', $value );
-            if( 1 < count( $value2 ))
+          $fbtype = (isset($propattr['FBTYPE'])) ? $propattr['FBTYPE'] : ''; // force setting default, if missing
+          unset($propattr['FBTYPE']);
+          $values = explode(',', $line);
+          foreach ($values as $vix => $value) {
+            $value2 = explode('/', $value);
+            if (1 < count($value2))
               $values[$vix] = $value2;
           }
-          $this->setProperty( $propname, $fbtype, $values, $propattr );
+          $this->setProperty($propname, $fbtype, $values, $propattr);
           break;
         case 'GEO':
-          $value = explode( ';', $line, 2 );
-          if( 2 > count( $value ))
+          $value = explode(';', $line, 2);
+          if (2 > count($value))
             $value[1] = null;
-          $this->setProperty( $propname, $value[0], $value[1], $propattr );
+          $this->setProperty($propname, $value[0], $value[1], $propattr);
           break;
         case 'EXDATE':
-          $values = ( !empty( $line )) ? explode( ',', $line ) : null;
-          $this->setProperty( $propname, $values, $propattr );
+          $values = (!empty($line)) ? explode(',', $line) : null;
+          $this->setProperty($propname, $values, $propattr);
           break;
         case 'RDATE':
-          if( empty( $line )) {
-            $this->setProperty( $propname, $line, $propattr );
+          if (empty($line)) {
+            $this->setProperty($propname, $line, $propattr);
             break;
           }
-          $values = explode( ',', $line );
-          foreach( $values as $vix => $value ) {
-            $value2 = explode( '/', $value );
-            if( 1 < count( $value2 ))
+          $values = explode(',', $line);
+          foreach ($values as $vix => $value) {
+            $value2 = explode('/', $value);
+            if (1 < count($value2))
               $values[$vix] = $value2;
           }
-          $this->setProperty( $propname, $values, $propattr );
+          $this->setProperty($propname, $values, $propattr);
           break;
         case 'EXRULE':
         case 'RRULE':
-          $values = explode( ';', $line );
+          $values = explode(';', $line);
           $recur = array();
-          foreach( $values as $value2 ) {
-            if( empty( $value2 ))
+          foreach ($values as $value2) {
+            if (empty($value2))
               continue; // ;-char in ending position ???
-            $value3 = explode( '=', $value2, 2 );
-            $rulelabel = strtoupper( $value3[0] );
-            switch( $rulelabel ) {
+            $value3 = explode('=', $value2, 2);
+            $rulelabel = strtoupper($value3[0]);
+            switch ($rulelabel) {
               case 'BYDAY': {
-                $value4 = explode( ',', $value3[1] );
-                if( 1 < count( $value4 )) {
-                  foreach( $value4 as $v5ix => $value5 ) {
+                $value4 = explode(',', $value3[1]);
+                if (1 < count($value4)) {
+                  foreach ($value4 as $v5ix => $value5) {
                     $value6 = array();
                     $dayno = $dayname = null;
-                    $value5 = trim( (string) $value5 );
-                    if(( ctype_alpha( substr( $value5, -1 ))) &&
-                       ( ctype_alpha( substr( $value5, -2, 1 )))) {
-                      $dayname = substr( $value5, -2, 2 );
-                      if( 2 < strlen( $value5 ))
-                        $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                    $value5 = trim((string) $value5);
+                    if ((ctype_alpha(substr($value5, -1))) &&
+                       (ctype_alpha(substr($value5, -2, 1)))) {
+                      $dayname = substr($value5, -2, 2);
+                      if (2 < strlen($value5))
+                        $dayno = substr($value5, 0, (strlen($value5) - 2));
                     }
-                    if( $dayno )
+                    if ($dayno)
                       $value6[] = $dayno;
-                    if( $dayname )
+                    if ($dayname)
                       $value6['DAY'] = $dayname;
                     $value4[$v5ix] = $value6;
                   }
@@ -6515,41 +6515,41 @@ 
                 else {
                   $value4 = array();
                   $dayno  = $dayname = null;
-                  $value5 = trim( (string) $value3[1] );
-                  if(( ctype_alpha( substr( $value5, -1 ))) &&
-                     ( ctype_alpha( substr( $value5, -2, 1 )))) {
-                      $dayname = substr( $value5, -2, 2 );
-                    if( 2 < strlen( $value5 ))
-                      $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                  $value5 = trim((string) $value3[1]);
+                  if ((ctype_alpha(substr($value5, -1))) &&
+                     (ctype_alpha(substr($value5, -2, 1)))) {
+                      $dayname = substr($value5, -2, 2);
+                    if (2 < strlen($value5))
+                      $dayno = substr($value5, 0, (strlen($value5) - 2));
                   }
-                  if( $dayno )
+                  if ($dayno)
                     $value4[] = $dayno;
-                  if( $dayname )
+                  if ($dayname)
                     $value4['DAY'] = $dayname;
                 }
                 $recur[$rulelabel] = $value4;
                 break;
               }
               default: {
-                $value4 = explode( ',', $value3[1] );
-                if( 1 < count( $value4 ))
+                $value4 = explode(',', $value3[1]);
+                if (1 < count($value4))
                   $value3[1] = $value4;
                 $recur[$rulelabel] = $value3[1];
                 break;
               }
             } // end - switch $rulelabel
           } // end - foreach( $values.. .
-          $this->setProperty( $propname, $recur, $propattr );
+          $this->setProperty($propname, $recur, $propattr);
           break;
         default:
-          $this->setProperty( $propname, $line, $propattr );
+          $this->setProperty($propname, $line, $propattr);
           break;
       } // end  switch( $propname.. .
     } // end - foreach( $proprows.. .
-    unset( $this->unparsed, $proprows );
-    if( isset( $this->components ) && is_array( $this->components ) && ( 0 < count( $this->components ))) {
-      for( $six = 0; $six < count( $this->components ); $six++ ) {
-        if( !empty( $this->components[$six]->unparsed ))
+    unset($this->unparsed, $proprows);
+    if (isset($this->components) && is_array($this->components) && (0 < count($this->components))) {
+      for ($six = 0; $six < count($this->components); $six++) {
+        if (!empty($this->components[$six]->unparsed))
           $this->components[$six]->parse();
       }
     }
@@ -6566,7 +6566,7 @@ 
   function copy() {
     $serialized_contents = serialize($this);
     $copy = unserialize($serialized_contents);
-    unset( $copy->propix );
+    unset($copy->propix);
     return $copy;
  }
 /*********************************************************************************/
@@ -6580,34 +6580,34 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return void
  */
-  function deleteComponent( $arg1, $arg2=FALSE  ) {
-    if( !isset( $this->components )) return FALSE;
+  function deleteComponent($arg1, $arg2 = FALSE) {
+    if (!isset($this->components)) return FALSE;
     $argType = $index = null;
-    if ( ctype_digit( (string) $arg1 )) {
+    if (ctype_digit((string) $arg1)) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
     }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
+    elseif ((strlen($arg1) <= strlen('vfreebusy')) && (FALSE === strpos($arg1, '@'))) {
+      $argType = strtolower($arg1);
+      $index   = (!empty($arg2) && ctype_digit((string) $arg2)) ? ((int) $arg2 - 1) : 0;
     }
     $cix2dC = 0;
-    foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
-        unset( $this->components[$cix] );
+    foreach ($this->components as $cix => $component) {
+      if (empty($component)) continue;
+      unset($component->propix);
+      if (('INDEX' == $argType) && ($index == $cix)) {
+        unset($this->components[$cix]);
         return TRUE;
       }
-      elseif( $argType == $component->objName ) {
-        if( $index == $cix2dC ) {
-          unset( $this->components[$cix] );
+      elseif ($argType == $component->objName) {
+        if ($index == $cix2dC) {
+          unset($this->components[$cix]);
           return TRUE;
         }
         $cix2dC++;
       }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
-        unset( $this->components[$cix] );
+      elseif (!$argType && ($arg1 == $component->getProperty('uid'))) {
+        unset($this->components[$cix]);
         return TRUE;
       }
     }
@@ -6622,50 +6622,50 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return object
  */
-  function getComponent ( $arg1=FALSE, $arg2=FALSE ) {
-    if( !isset( $this->components )) return FALSE;
+  function getComponent($arg1 = FALSE, $arg2 = FALSE) {
+    if (!isset($this->components)) return FALSE;
     $index = $argType = null;
-    if ( !$arg1 ) {
+    if (!$arg1) {
       $argType = 'INDEX';
       $index   = $this->compix['INDEX'] =
-        ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
+        (isset($this->compix['INDEX'])) ? $this->compix['INDEX'] + 1 : 1;
     }
-    elseif ( ctype_digit( (string) $arg1 )) {
+    elseif (ctype_digit((string) $arg1)) {
       $argType = 'INDEX';
       $index   = (int) $arg1;
-      unset( $this->compix );
+      unset($this->compix);
     }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      unset( $this->compix['INDEX'] );
-      $argType = strtolower( $arg1 );
-      if( !$arg2 )
+    elseif ((strlen($arg1) <= strlen('vfreebusy')) && (FALSE === strpos($arg1, '@'))) {
+      unset($this->compix['INDEX']);
+      $argType = strtolower($arg1);
+      if (!$arg2)
         $index = $this->compix[$argType] =
-        ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
+        (isset($this->compix[$argType])) ? $this->compix[$argType] + 1 : 1;
       else
         $index = (int) $arg2;
     }
-    $index  -= 1;
-    $ckeys = array_keys( $this->components );
-    if( !empty( $index) && ( $index > end( $ckeys )))
+    $index -= 1;
+    $ckeys = array_keys($this->components);
+    if (!empty($index) && ($index > end($ckeys)))
       return FALSE;
     $cix2gC = 0;
-    foreach( $this->components as $cix => $component ) {
-      if( empty( $component )) continue;
-      unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix ))
+    foreach ($this->components as $cix => $component) {
+      if (empty($component)) continue;
+      unset($component->propix);
+      if (('INDEX' == $argType) && ($index == $cix))
         return $component->copy();
-      elseif( $argType == $component->objName ) {
-         if( $index == $cix2gC )
+      elseif ($argType == $component->objName) {
+         if ($index == $cix2gC)
            return $component->copy();
          $cix2gC++;
       }
-      elseif( !$argType && ( $arg1 == $component->getProperty( 'uid' ))) {
-        unset( $component->propix );
+      elseif (!$argType && ($arg1 == $component->getProperty('uid'))) {
+        unset($component->propix);
         return $component->copy();
       }
     }
             /* not found.. . */
-    unset( $this->compix );
+    unset($this->compix);
     return false;
   }
 /**
@@ -6676,8 +6676,8 @@ 
  * @param object $component calendar component
  * @return void
  */
-  function addSubComponent ( $component ) {
-    $this->setComponent( $component );
+  function addSubComponent($component) {
+    $this->setComponent($component);
   }
 /**
  * add calendar component as subcomponent to container for subcomponents
@@ -6689,49 +6689,49 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return bool
  */
-  function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
-    if( !isset( $this->components )) return FALSE;
-    if( '' >= $component->getConfig( 'language'))
-      $component->setConfig( 'language',  $this->getConfig( 'language' ));
-    $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
-    $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
-    $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
-    $component->setConfig( 'format',      $this->getConfig( 'format' ));
-    if( !in_array( $component->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
-      unset( $component->propix );
+  function setComponent($component, $arg1 = FALSE, $arg2 = FALSE) {
+    if (!isset($this->components)) return FALSE;
+    if ('' >= $component->getConfig('language'))
+      $component->setConfig('language', $this->getConfig('language'));
+    $component->setConfig('allowEmpty', $this->getConfig('allowEmpty'));
+    $component->setConfig('nl', $this->getConfig('nl'));
+    $component->setConfig('unique_id', $this->getConfig('unique_id'));
+    $component->setConfig('format', $this->getConfig('format'));
+    if (!in_array($component->objName, array('valarm', 'vtimezone', 'standard', 'daylight'))) {
+      unset($component->propix);
             /* make sure dtstamp and uid is set */
-      $dummy = $component->getProperty( 'dtstamp' );
-      $dummy = $component->getProperty( 'uid' );
+      $dummy = $component->getProperty('dtstamp');
+      $dummy = $component->getProperty('uid');
     }
-    if( !$arg1 ) {
+    if (!$arg1) {
       $this->components[] = $component->copy();
       return TRUE;
     }
     $argType = $index = null;
-    if ( ctype_digit( (string) $arg1 )) {
+    if (ctype_digit((string) $arg1)) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
     }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
-      $argType = strtolower( $arg1 );
-      $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
+    elseif ((strlen($arg1) <= strlen('vfreebusy')) && (FALSE === strpos($arg1, '@'))) {
+      $argType = strtolower($arg1);
+      $index = (ctype_digit((string) $arg2)) ? ((int) $arg2) - 1 : 0;
     }
     $cix2sC = 0;
-    foreach ( $this->components as $cix => $component2 ) {
-      if( empty( $component2 )) continue;
-      unset( $component2->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+    foreach ($this->components as $cix => $component2) {
+      if (empty($component2)) continue;
+      unset($component2->propix);
+      if (('INDEX' == $argType) && ($index == $cix)) {
         $this->components[$cix] = $component->copy();
         return TRUE;
       }
-      elseif( $argType == $component2->objName ) {
-        if( $index == $cix2sC ) {
+      elseif ($argType == $component2->objName) {
+        if ($index == $cix2sC) {
           $this->components[$cix] = $component->copy();
           return TRUE;
         }
         $cix2sC++;
       }
-      elseif( !$argType && ($arg1 == $component2->getProperty( 'uid' ))) {
+      elseif (!$argType && ($arg1 == $component2->getProperty('uid'))) {
         $this->components[$cix] = $component->copy();
         return TRUE;
       }
@@ -6749,15 +6749,15 @@ 
  */
   function createSubComponent() {
     $output = null;
-    foreach( $this->components as $component ) {
-      if( empty( $component )) continue;
-      if( '' >= $component->getConfig( 'language'))
-        $component->setConfig( 'language',  $this->getConfig( 'language' ));
-      $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
-      $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
-      $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
-      $component->setConfig( 'format',      $this->getConfig( 'format' ));
-      $output .= $component->createComponent( $this->xcaldecl );
+    foreach ($this->components as $component) {
+      if (empty($component)) continue;
+      if ('' >= $component->getConfig('language'))
+        $component->setConfig('language', $this->getConfig('language'));
+      $component->setConfig('allowEmpty', $this->getConfig('allowEmpty'));
+      $component->setConfig('nl', $this->getConfig('nl'));
+      $component->setConfig('unique_id', $this->getConfig('unique_id'));
+      $component->setConfig('format', $this->getConfig('format'));
+      $output .= $component->createComponent($this->xcaldecl);
     }
     return $output;
   }
@@ -6784,21 +6784,21 @@ 
  * @param string $value
  * @return string
  */
-  function _size75( $string ) {
-    $strlen = strlen( $string );
+  function _size75($string) {
+    $strlen = strlen($string);
     $tmp    = $string;
     $string = null;
-    while( $strlen > 75 ) {
+    while ($strlen > 75) {
        $breakAtChar = 75;
-       if( substr( $tmp, ( $breakAtChar - 1 ), strlen( '\n' )) == '\n' )
+       if (substr($tmp, ($breakAtChar - 1), strlen('\n')) == '\n')
          $breakAtChar = $breakAtChar - 1;
-       $string .= substr( $tmp, 0, $breakAtChar );
+       $string .= substr($tmp, 0, $breakAtChar);
        $string .= $this->nl;
-       $tmp     = ' '.substr( $tmp, $breakAtChar );
-       $strlen  = strlen( $tmp );
+       $tmp     = ' '.substr($tmp, $breakAtChar);
+       $strlen  = strlen($tmp);
     } // while
-    $string .= rtrim( $tmp ); // the rest
-    if( $this->nl != substr( $string, ( 0 - strlen( $this->nl ))))
+    $string .= rtrim($tmp); // the rest
+    if ($this->nl != substr($string, (0 - strlen($this->nl))))
       $string .= $this->nl;
     return $string;
   }
@@ -6810,38 +6810,38 @@ 
  * @param string $string
  * @return string
  */
-  function _strrep( $string ) {
-    switch( $this->format ) {
+  function _strrep($string) {
+    switch ($this->format) {
       case 'xcal':
-        $string = str_replace( '\n',  $this->nl, $string);
-        $string = htmlspecialchars( strip_tags( stripslashes( urldecode ( $string ))));
+        $string = str_replace('\n', $this->nl, $string);
+        $string = htmlspecialchars(strip_tags(stripslashes(urldecode($string))));
         break;
       default:
         $pos = 0;
-        while( $pos <= strlen( $string )) {
-          $pos = strpos( $string, "\\", $pos );
-          if( FALSE === $pos )
+        while ($pos <= strlen($string)) {
+          $pos = strpos($string, "\\", $pos);
+          if (FALSE === $pos)
             break;
-          if( !in_array( $string{($pos + 1)}, array( 'n', 'N', 'r', ',', ';' ))) {
-            $string = substr( $string, 0, $pos )."\\".substr( $string, ( $pos + 1 ));
+          if (!in_array($string{($pos + 1)}, array('n', 'N', 'r', ',', ';'))) {
+            $string = substr($string, 0, $pos)."\\".substr($string, ($pos + 1));
             $pos += 1;
           }
           $pos += 1;
         }
-        if( FALSE !== strpos( $string, '"' ))
-          $string = str_replace('"',   "'",       $string);
-        if( FALSE !== strpos( $string, ',' ))
-          $string = str_replace(',',   '\,',      $string);
-        if( FALSE !== strpos( $string, ';' ))
-          $string = str_replace(';',   '\;',      $string);
-        if( FALSE !== strpos( $string, "\r\n" ))
-          $string = str_replace( "\r\n", '\n',    $string);
-        elseif( FALSE !== strpos( $string, "\r" ))
-          $string = str_replace( "\r", '\n',      $string);
-        if( FALSE !== strpos( $string, '\N' ))
-          $string = str_replace( '\N', '\n',      $string);
+        if (FALSE !== strpos($string, '"'))
+          $string = str_replace('"', "'", $string);
+        if (FALSE !== strpos($string, ','))
+          $string = str_replace(',', '\,', $string);
+        if (FALSE !== strpos($string, ';'))
+          $string = str_replace(';', '\;', $string);
+        if (FALSE !== strpos($string, "\r\n"))
+          $string = str_replace("\r\n", '\n', $string);
+        elseif (FALSE !== strpos($string, "\r"))
+          $string = str_replace("\r", '\n', $string);
+        if (FALSE !== strpos($string, '\N'))
+          $string = str_replace('\N', '\n', $string);
 //        if( FALSE !== strpos( $string, $this->nl ))
-          $string = str_replace( $this->nl, '\n', $string);
+          $string = str_replace($this->nl, '\n', $string);
         break;
     }
     return $string;
@@ -6854,10 +6854,10 @@ 
  * @param string $string
  * @return string
  */
-  function _strunrep( $string ) {
-    $string = str_replace( '\\\\', '\\',     $string);
-    $string = str_replace( '\,',   ',',      $string);
-    $string = str_replace( '\;',   ';',      $string);
+  function _strunrep($string) {
+    $string = str_replace('\\\\', '\\', $string);
+    $string = str_replace('\,', ',', $string);
+    $string = str_replace('\;', ';', $string);
 //    $string = str_replace( '\n',  $this->nl, $string); // ??
     return $string;
   }
@@ -6955,7 +6955,7 @@ 
  * @param array $xcaldecl
  * @return string
  */
-  function createComponent( &$xcaldecl ) {
+  function createComponent(&$xcaldecl) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createUid();
@@ -6992,8 +6992,8 @@ 
     $component    .= $this->createXprop();
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
-    if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+    if (is_array($this->xcaldecl) && (0 < count($this->xcaldecl))) {
+      foreach ($this->xcaldecl as $localxcaldecl)
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
@@ -7093,7 +7093,7 @@ 
  * @param array $xcaldecl
  * @return string
  */
-  function createComponent( &$xcaldecl ) {
+  function createComponent(&$xcaldecl) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createUid();
@@ -7131,8 +7131,8 @@ 
     $component    .= $this->createXprop();
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
-    if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+    if (is_array($this->xcaldecl) && (0 < count($this->xcaldecl))) {
+      foreach ($this->xcaldecl as $localxcaldecl)
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
@@ -7212,7 +7212,7 @@ 
  * @param array $xcaldecl
  * @return string
  */
-  function createComponent( &$xcaldecl ) {
+  function createComponent(&$xcaldecl) {
     $objectname = $this->_createFormat();
     $component  = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component .= $this->createUid();
@@ -7241,8 +7241,8 @@ 
     $component .= $this->createUrl();
     $component .= $this->createXprop();
     $component .= $this->componentEnd1.$objectname.$this->componentEnd2;
-    if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+    if (is_array($this->xcaldecl) && (0 < count($this->xcaldecl))) {
+      foreach ($this->xcaldecl as $localxcaldecl)
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
@@ -7300,7 +7300,7 @@ 
  * @param array $xcaldecl
  * @return string
  */
-  function createComponent( &$xcaldecl ) {
+  function createComponent(&$xcaldecl) {
     $objectname = $this->_createFormat();
     $component  = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component .= $this->createUid();
@@ -7317,8 +7317,8 @@ 
     $component .= $this->createUrl();
     $component .= $this->createXprop();
     $component .= $this->componentEnd1.$objectname.$this->componentEnd2;
-    if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+    if (is_array($this->xcaldecl) && (0 < count($this->xcaldecl))) {
+      foreach ($this->xcaldecl as $localxcaldecl)
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;
@@ -7370,7 +7370,7 @@ 
  * @param array $xcaldecl
  * @return string
  */
-  function createComponent( &$xcaldecl ) {
+  function createComponent(&$xcaldecl) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createAction();
@@ -7418,11 +7418,11 @@ 
  * @param string $timezonetype optional, default FALSE ( STANDARD / DAYLIGHT )
  * @return void
  */
-  function vtimezone( $timezonetype=FALSE ) {
-    if( !$timezonetype )
+  function vtimezone($timezonetype = FALSE) {
+    if (!$timezonetype)
       $this->timezonetype = 'VTIMEZONE';
     else
-      $this->timezonetype = strtoupper( $timezonetype );
+      $this->timezonetype = strtoupper($timezonetype);
     $this->calendarComponent();
 
     $this->comment         = '';
@@ -7447,7 +7447,7 @@ 
  * @param array $xcaldecl
  * @return string
  */
-  function createComponent( &$xcaldecl ) {
+  function createComponent(&$xcaldecl) {
     $objectname    = $this->_createFormat();
     $component     = $this->componentStart1.$objectname.$this->componentStart2.$this->nl;
     $component    .= $this->createTzid();
@@ -7463,8 +7463,8 @@ 
     $component    .= $this->createXprop();
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
-    if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
+    if (is_array($this->xcaldecl) && (0 < count($this->xcaldecl))) {
+      foreach ($this->xcaldecl as $localxcaldecl)
         $xcaldecl[] = $localxcaldecl;
     }
     return $component;

Braces +2276 added lines, -1351 removed lines

@@ -44,8 +44,10 @@ 
 }
 */
             /* only for phpversion 5.x, date management, default timezone setting */
-if( substr( phpversion(), 0, 1) >= '5' ) // && ( 'UTC' == date_default_timezone_get() )) {
+if( substr( phpversion(), 0, 1) >= '5' ) {
+    // && ( 'UTC' == date_default_timezone_get() )) {
   date_default_timezone_set( 'Europe/Stockholm' );
+}
             /* version string, do NOT remove!! */
 define( 'ICALCREATOR_VERSION', 'iCalcreator 2.6' );
 /*********************************************************************************/
@@ -97,8 +99,9 @@ 
 /**
  *   language = <Text identifying a language, as defined in [RFC 1766]>
  */
-    if( defined( 'ICAL_LANG' ))
-      $this->setConfig( 'language', ICAL_LANG );
+    if( defined( 'ICAL_LANG' )) {
+          $this->setConfig( 'language', ICAL_LANG );
+    }
     $this->setConfig( 'allowEmpty', TRUE );
     $this->setConfig( 'nl',         "\n" );
     $this->setConfig( 'format',     'iCal');
@@ -121,7 +124,9 @@ 
  * @return string
  */
   function createCalscale() {
-    if( empty( $this->calscale )) return FALSE;
+    if( empty( $this->calscale )) {
+        return FALSE;
+    }
     switch( $this->format ) {
       case 'xcal':
         return ' calscale="'.$this->calscale.'"'.$this->nl;
@@ -140,7 +145,9 @@ 
  * @return void
  */
   function setCalscale( $value ) {
-    if( empty( $value )) return FALSE;
+    if( empty( $value )) {
+        return FALSE;
+    }
     $this->calscale = $value;
   }
 /*********************************************************************************/
@@ -155,7 +162,9 @@ 
  * @return string
  */
   function createMethod() {
-    if( empty( $this->method )) return FALSE;
+    if( empty( $this->method )) {
+        return FALSE;
+    }
     switch( $this->format ) {
       case 'xcal':
         return ' method="'.$this->method.'"'.$this->nl;
@@ -174,7 +183,9 @@ 
  * @return bool
  */
   function setMethod( $value ) {
-    if( empty( $value )) return FALSE;
+    if( empty( $value )) {
+        return FALSE;
+    }
     $this->method = $value;
     return TRUE;
   }
@@ -194,8 +205,9 @@ 
  * @return string
  */
   function createProdid() {
-    if( !isset( $this->prodid ))
-      $this->_makeProdid();
+    if( !isset( $this->prodid )) {
+          $this->_makeProdid();
+    }
     switch( $this->format ) {
       case 'xcal':
         return ' prodid="'.$this->prodid.'"'.$this->nl;
@@ -246,8 +258,9 @@ 
  * @return string
  */
   function createVersion() {
-    if( empty( $this->version ))
-      $this->_makeVersion();
+    if( empty( $this->version )) {
+          $this->_makeVersion();
+    }
     switch( $this->format ) {
       case 'xcal':
         return ' version="'.$this->version.'"'.$this->nl;
@@ -276,7 +289,9 @@ 
  * @return void
  */
   function setVersion( $value ) {
-    if( empty( $value )) return FALSE;
+    if( empty( $value )) {
+        return FALSE;
+    }
     $this->version = $value;
     return TRUE;
   }
@@ -292,10 +307,12 @@ 
  * @return string
  */
   function createXprop() {
-    if( 'xcal' == $this->format )
-      return false;
-    if( 0 >= count( $this->xprop ))
-      return;
+    if( 'xcal' == $this->format ) {
+          return false;
+    }
+    if( 0 >= count( $this->xprop )) {
+          return;
+    }
     $output = null;
     $toolbox = new calendarComponent();
     $toolbox->setConfig( 'language', $this->getConfig( 'language' ));
@@ -308,12 +325,13 @@ 
       }
       $attributes = $toolbox->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
       if( is_array( $xpropPart['value'] )) {
-        foreach( $xpropPart['value'] as $pix => $theXpart )
-          $xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart );
+        foreach( $xpropPart['value'] as $pix => $theXpart ) {
+                  $xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart );
+        }
         $xpropPart['value']  = implode( ',', $xpropPart['value'] );
+      } else {
+              $xpropPart['value'] = $toolbox->_strrep( $xpropPart['value'] );
       }
-      else
-        $xpropPart['value'] = $toolbox->_strrep( $xpropPart['value'] );
       $output    .= $toolbox->_createElement( $label, $attributes, $xpropPart['value'] );
     }
     return $output;
@@ -329,12 +347,20 @@ 
  * @return bool
  */
   function setXprop( $label, $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    if( empty( $label )) return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
+    if( empty( $label )) {
+        return FALSE;
+    }
     $xprop           = array( 'value' => $value );
     $toolbox         = new calendarComponent();
     $xprop['params'] = $toolbox->_setParams( $params );
-    if( !is_array( $this->xprop )) $this->xprop = array();
+    if( !is_array( $this->xprop )) {
+        $this->xprop = array();
+    }
     $this->xprop[strtoupper( $label )] = $xprop;
     return TRUE;
   }
@@ -350,8 +376,9 @@ 
  */
   function deleteProperty( $propName, $propix=FALSE ) {
     $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
-    if( !$propix )
-      $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+    if( !$propix ) {
+          $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+    }
     $this->propdelix[$propName] = --$propix;
     $return = FALSE;
     switch( $propName ) {
@@ -370,18 +397,23 @@ 
       default:
         $reduced = array();
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
+          if( !isset( $this->xprop[$propName] )) {
+              return FALSE;
+          }
           foreach( $this->xprop as $k => $a ) {
-            if(( $k != $propName ) && !empty( $a ))
-              $reduced[$k] = $a;
+            if(( $k != $propName ) && !empty( $a )) {
+                          $reduced[$k] = $a;
+            }
+          }
+        } else {
+          if( count( $this->xprop ) <= $propix ) {
+              return FALSE;
           }
-        }
-        else {
-          if( count( $this->xprop ) <= $propix )  return FALSE;
           $xpropno = 0;
           foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix != $xpropno )
-              $reduced[$xpropkey] = $xpropvalue;
+            if( $propix != $xpropno ) {
+                          $reduced[$xpropkey] = $xpropvalue;
+            }
             $xpropno++;
           }
         }
@@ -403,8 +435,9 @@ 
   function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) {
     $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
     if( 'X-PROP' == $propName ) {
-      if( !$propix )
-        $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
+      if( !$propix ) {
+              $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
+      }
       $this->propix[$propName] = --$propix;
     }
     switch( $propName ) {
@@ -415,8 +448,9 @@ 
         return ( !empty( $this->method )) ? $this->method : null;
         break;
       case 'PRODID':
-        if( empty( $this->prodid ))
-          $this->_makeProdid();
+        if( empty( $this->prodid )) {
+                  $this->_makeProdid();
+        }
         return $this->prodid;
         break;
       case 'VERSION':
@@ -424,19 +458,23 @@ 
         break;
       default:
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
+          if( !isset( $this->xprop[$propName] )) {
+              return FALSE;
+          }
           return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
                                 : array( $propName, $this->xprop[$propName]['value'] );
-        }
-        else {
-          if( empty( $this->xprop )) return FALSE;
+        } else {
+          if( empty( $this->xprop )) {
+              return FALSE;
+          }
           $xpropno = 0;
           foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix == $xpropno )
-              return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
+            if( $propix == $xpropno ) {
+                          return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
                                     : array( $xpropkey, $this->xprop[$xpropkey]['value'] );
-            else
-              $xpropno++;
+            } else {
+                          $xpropno++;
+            }
           }
           return FALSE; // not found ??
         }
@@ -455,8 +493,9 @@ 
  */
   function setProperty () {
     $numargs    = func_num_args();
-    if( 1 > $numargs )
-      return FALSE;
+    if( 1 > $numargs ) {
+          return FALSE;
+    }
     $arglist    = func_get_args();
     $arglist[0] = strtoupper( $arglist[0] );
     switch( $arglist[0] ) {
@@ -467,8 +506,12 @@ 
       case 'VERSION':
         return $this->setVersion( $arglist[1] );
       default:
-        if( !isset( $arglist[1] )) $arglist[1] = null;
-        if( !isset( $arglist[2] )) $arglist[2] = null;
+        if( !isset( $arglist[1] )) {
+            $arglist[1] = null;
+        }
+        if( !isset( $arglist[2] )) {
+            $arglist[2] = null;
+        }
         return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] );
     }
     return FALSE;
@@ -491,7 +534,9 @@ 
         unset( $this->compix );
         $info = array();
         foreach( $this->components as $cix => $component ) {
-          if( empty( $component )) continue;
+          if( empty( $component )) {
+              continue;
+          }
           unset( $component->propix );
           $info[$cix]['ordno'] = $cix + 1;
           $info[$cix]['type']  = $component->objName;
@@ -506,8 +551,9 @@ 
         return $this->delimiter;
         break;
       case 'DIRECTORY':
-        if( empty( $this->directory ))
-          $this->directory = '.';
+        if( empty( $this->directory )) {
+                  $this->directory = '.';
+        }
         return $this->directory;
         break;
       case 'DIRFILE':
@@ -520,10 +566,13 @@ 
         break;
       case 'FILENAME':
         if( empty( $this->filename )) {
-          if( 'xcal' == $this->format )
-            $this->filename = date( 'YmdHis' ).'.xml'; // recommended xcs.. .
-          else
-            $this->filename = date( 'YmdHis' ).'.ics';
+          if( 'xcal' == $this->format ) {
+                      $this->filename = date( 'YmdHis' ).'.xml';
+          }
+          // recommended xcs.. .
+          else {
+                      $this->filename = date( 'YmdHis' ).'.ics';
+          }
         }
         return $this->filename;
         break;
@@ -531,8 +580,9 @@ 
         $size    = 0;
         if( empty( $this->url )) {
           $dirfile = $this->getConfig( 'dirfile' );
-          if( FALSE === ( $size = filesize( $dirfile )))
-            $size = 0;
+          if( FALSE === ( $size = filesize( $dirfile ))) {
+                      $size = 0;
+          }
           clearstatcache();
         }
         return $size;
@@ -552,10 +602,11 @@ 
         return $this->unique_id;
         break;
       case 'URL':
-        if( !empty( $this->url ))
-          return $this->url;
-        else
-          return FALSE;
+        if( !empty( $this->url )) {
+                  return $this->url;
+        } else {
+                  return FALSE;
+        }
         break;
     }
   }
@@ -583,17 +634,18 @@ 
       case 'DIRECTORY':
         $value   = trim( $value );
         $nl      = $this->getConfig('delimiter');
-        if( $nl == substr( $value, ( 0 - strlen( $nl ))))
-          $value = substr( $value, 0, ( strlen( $value ) - strlen( $nl )));
+        if( $nl == substr( $value, ( 0 - strlen( $nl )))) {
+                  $value = substr( $value, 0, ( strlen( $value ) - strlen( $nl )));
+        }
         if( is_dir( $value )) {
             /* local directory */
           clearstatcache();
           $this->directory = $value;
           $this->url       = null;
           return TRUE;
+        } else {
+                  return FALSE;
         }
-        else
-          return FALSE;
         break;
       case 'FILENAME':
         $value   = trim( $value );
@@ -609,17 +661,16 @@ 
             clearstatcache();
             $this->filename = $value;
             return TRUE;
+          } else {
+                      return FALSE;
           }
-          else
-            return FALSE;
-        }
-        elseif( FALSE !== touch( $dirfile )) {
+        } elseif( FALSE !== touch( $dirfile )) {
             /* new local file created */
           $this->filename = $value;
           return TRUE;
+        } else {
+                  return FALSE;
         }
-        else
-          return FALSE;
         break;
       case 'FORMAT':
         $value   = trim( $value );
@@ -627,8 +678,7 @@ 
           $this->format             = 'xcal';
           $this->attributeDelimiter = $this->nl;
           $this->valueInit          = null;
-        }
-        else {
+        } else {
           $this->format             = null;
           $this->attributeDelimiter = ';';
           $this->valueInit          = ':';
@@ -667,13 +717,16 @@ 
         return $this->setConfig( 'filename',  $parts['basename'] );
         break;
     }
-    if( !$res ) return FALSE;
+    if( !$res ) {
+        return FALSE;
+    }
     if( isset( $subcfg ) && !empty( $this->components )) {
       foreach( $subcfg as $cfgkey => $cfgvalue ) {
         foreach( $this->components as $cix => $component ) {
           $res = $component->setConfig( $cfgkey, $cfgvalue );
-          if( !$res )
-            break 2;
+          if( !$res ) {
+                      break 2;
+          }
           $this->components[$cix] = $component->copy(); // PHP4 compliant
         }
       }
@@ -708,27 +761,26 @@ 
     if ( ctype_digit( (string) $arg1 )) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
-    }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
+    } elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
       $argType = strtolower( $arg1 );
       $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
     }
     $cix1dC = 0;
     foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
+      if( empty( $component )) {
+          continue;
+      }
       unset( $component->propix );
       if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         unset( $this->components[$cix] );
         return TRUE;
-      }
-      elseif( $argType == $component->objName ) {
+      } elseif( $argType == $component->objName ) {
         if( $index == $cix1dC ) {
           unset( $this->components[$cix] );
           return TRUE;
         }
         $cix1dC++;
-      }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
+      } elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
         unset( $this->components[$cix] );
         return TRUE;
       }
@@ -750,37 +802,39 @@ 
       $argType = 'INDEX';
       $index   = $this->compix['INDEX'] =
         ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
-    }
-    elseif ( ctype_digit( (string) $arg1 )) {
+    } elseif ( ctype_digit( (string) $arg1 )) {
       $argType = 'INDEX';
       $index   = (int) $arg1;
       unset( $this->compix );
-    }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
+    } elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
       unset( $this->compix['INDEX'] );
       $argType = strtolower( $arg1 );
-      if( !$arg2 )
-        $index = $this->compix[$argType] =
+      if( !$arg2 ) {
+              $index = $this->compix[$argType] =
         ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
-      else
-        $index = (int) $arg2;
+      } else {
+              $index = (int) $arg2;
+      }
     }
     $index  -= 1;
     $ckeys =  array_keys( $this->components );
-    if( !empty( $index) && ( $index > end(  $ckeys )))
-      return FALSE;
+    if( !empty( $index) && ( $index > end(  $ckeys ))) {
+          return FALSE;
+    }
     $cix1gC = 0;
     foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
+      if( empty( $component )) {
+          continue;
+      }
       unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix ))
-        return $component->copy();
-      elseif( $argType == $component->objName ) {
-         if( $index == $cix1gC )
-           return $component->copy();
+      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+              return $component->copy();
+      } elseif( $argType == $component->objName ) {
+         if( $index == $cix1gC ) {
+                    return $component->copy();
+         }
          $cix1gC++;
-      }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
+      } elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
         unset( $component->propix );
         return $component->copy();
       }
@@ -815,46 +869,68 @@ 
  */
   function selectComponents( $startY=FALSE, $startM=FALSE, $startD=FALSE, $endY=FALSE, $endM=FALSE, $endD=FALSE, $cType=FALSE, $flat=FALSE, $any=TRUE, $split=TRUE ) {
             /* check  if empty calendar */
-    if( 0 >= count( $this->components )) return FALSE;
+    if( 0 >= count( $this->components )) {
+        return FALSE;
+    }
             /* check default dates */
-    if( !$startY ) $startY = date( 'Y' );
-    if( !$startM ) $startM = date( 'm' );
-    if( !$startD ) $startD = date( 'd' );
+    if( !$startY ) {
+        $startY = date( 'Y' );
+    }
+    if( !$startM ) {
+        $startM = date( 'm' );
+    }
+    if( !$startD ) {
+        $startD = date( 'd' );
+    }
     $startDate = mktime( 0, 0, 0, $startM, $startD, $startY );
-    if( !$endY )   $endY   = $startY;
-    if( !$endM )   $endM   = $startM;
-    if( !$endD )   $endD   = $startD;
+    if( !$endY ) {
+        $endY   = $startY;
+    }
+    if( !$endM ) {
+        $endM   = $startM;
+    }
+    if( !$endD ) {
+        $endD   = $startD;
+    }
     $endDate   = mktime( 23, 59, 59, $endM, $endD, $endY );
             /* check component types */
     $validTypes = array('vevent', 'vtodo', 'vjournal', 'vfreebusy' );
     if( is_array( $cType )) {
       foreach( $cType as $cix => $theType ) {
         $cType[$cix] = $theType = strtolower( $theType );
-        if( !in_array( $theType, $validTypes ))
-          $cType[$cix] = 'vevent';
+        if( !in_array( $theType, $validTypes )) {
+                  $cType[$cix] = 'vevent';
+        }
       }
       $cType = array_unique( $cType );
-    }
-    elseif( !empty( $cType )) {
+    } elseif( !empty( $cType )) {
       $cType = strtolower( $cType );
-      if( !in_array( $cType, $validTypes ))
-        $cType = array( 'vevent' );
-      else
-        $cType = array( $cType );
-    }
-    else
-      $cType = $validTypes;
-    if( 0 >= count( $cType ))
-      $cType = $validTypes;
+      if( !in_array( $cType, $validTypes )) {
+              $cType = array( 'vevent' );
+      } else {
+              $cType = array( $cType );
+      }
+    } else {
+          $cType = $validTypes;
+    }
+    if( 0 >= count( $cType )) {
+          $cType = $validTypes;
+    }
             /* iterate components */
     $result = array();
     foreach ( $this->components as $cix => $component ) {
-      if( empty( $component )) continue;
+      if( empty( $component )) {
+          continue;
+      }
       unset( $component->propix, $start );
             /* deselect unvalid type components */
-      if( !in_array( $component->objName, $cType )) continue;
+      if( !in_array( $component->objName, $cType )) {
+          continue;
+      }
             /* deselect components without dtstart set */
-      if( FALSE === ( $start = $component->getProperty( 'dtstart' ))) continue;
+      if( FALSE === ( $start = $component->getProperty( 'dtstart' ))) {
+          continue;
+      }
       $dtendExist = $dueExist = $durationExist = $endAllDayEvent = FALSE;
       unset( $end, $startWdate, $endWdate, $rdurWsecs, $rdur, $exdatelist, $workstart, $workend ); // clean up
       $startWdate = $component->_date2timestamp( $start );
@@ -888,8 +964,9 @@ 
       }
       if( empty( $end )) {
         $end = $component->getProperty( 'duration', FALSE, FALSE, TRUE );// in dtend (array) format
-        if( !empty( $end ))
-          $durationExist = TRUE;
+        if( !empty( $end )) {
+                  $durationExist = TRUE;
+        }
    // if( !empty($end))  echo 'selectComp 4 start='.implode('-',$start).' end='.implode('-',$end)."<br />\n"; // test ###
       }
       if( empty( $end )) { // assume one day duration if missing end date
@@ -907,55 +984,75 @@ 
       $exdatelist = array();
       $workstart  = $component->_timestamp2date(( $startDate - $rdurWsecs ), 6);
       $workend    = $component->_timestamp2date(( $endDate + $rdurWsecs ), 6);
-      while( FALSE !== ( $exrule = $component->getProperty( 'exrule' )))    // check exrule
+      while( FALSE !== ( $exrule = $component->getProperty( 'exrule' ))) {
+          // check exrule
         $component->_recur2date( $exdatelist, $exrule, $start, $workstart, $workend );
+      }
       while( FALSE !== ( $exdate = $component->getProperty( 'exdate' ))) {  // check exdate
         foreach( $exdate as $theExdate ) {
           $exWdate = $component->_date2timestamp( $theExdate );
-          if((( $startDate - $rdurWsecs ) <= $exWdate ) && ( $endDate >= $exWdate ))
-            $exdatelist[$exWdate] = TRUE;
+          if((( $startDate - $rdurWsecs ) <= $exWdate ) && ( $endDate >= $exWdate )) {
+                      $exdatelist[$exWdate] = TRUE;
+          }
         }
       }
             /* if 'any' components, check repeating components, removing all excluding dates */
       if( TRUE === $any ) {
             /* make a list of optional repeating dates for component occurence, rrule, rdate */
         $recurlist = array();
-        while( FALSE !== ( $rrule = $component->getProperty( 'rrule' )))    // check rrule
+        while( FALSE !== ( $rrule = $component->getProperty( 'rrule' ))) {
+            // check rrule
           $component->_recur2date( $recurlist, $rrule, $start, $workstart, $workend );
-        foreach( $recurlist as $recurkey => $recurvalue ) // key=match date as timestamp
-          $recurlist[$recurkey] = $rdurWsecs; // add duration in seconds
+        }
+        foreach( $recurlist as $recurkey => $recurvalue ) {
+            // key=match date as timestamp
+          $recurlist[$recurkey] = $rdurWsecs;
+        }
+        // add duration in seconds
         while( FALSE !== ( $rdate = $component->getProperty( 'rdate' ))) {  // check rdate
           foreach( $rdate as $theRdate ) {
             if( is_array( $theRdate ) && ( 2 == count( $theRdate )) &&  // all days within PERIOD
                    array_key_exists( '0', $theRdate ) &&  array_key_exists( '1', $theRdate )) {
               $rstart = $component->_date2timestamp( $theRdate[0] );
-              if(( $rstart < ( $startDate - $rdurWsecs )) || ( $rstart > $endDate ))
-                continue;
-              if( isset( $theRdate[1]['year'] )) // date-date period
+              if(( $rstart < ( $startDate - $rdurWsecs )) || ( $rstart > $endDate )) {
+                              continue;
+              }
+              if( isset( $theRdate[1]['year'] )) {
+                  // date-date period
                 $rend = $component->_date2timestamp( $theRdate[1] );
-              else {                             // date-duration period
+              } else {                             // date-duration period
                 $rend = $component->duration2date( $theRdate[0], $theRdate[1] );
                 $rend = $component->_date2timestamp( $rend );
               }
-              if((( $startDate - $rdurWsecs ) <= $rstart ) && ( $endDate >= $rstart ))
-                $recurlist[$rstart] = ( $rstart - $rend ); // set start date + rdate duration in seconds
+              if((( $startDate - $rdurWsecs ) <= $rstart ) && ( $endDate >= $rstart )) {
+                              $recurlist[$rstart] = ( $rstart - $rend );
+              }
+              // set start date + rdate duration in seconds
             } // PERIOD end
             else { // single date
               $theRdate = $component->_date2timestamp( $theRdate );
-              if((( $startDate - $rdurWsecs ) <= $theRdate ) && ( $endDate >= $theRdate ))
-                $recurlist[$theRdate] = $rdurWsecs; // set start date + event duration in seconds
+              if((( $startDate - $rdurWsecs ) <= $theRdate ) && ( $endDate >= $theRdate )) {
+                              $recurlist[$theRdate] = $rdurWsecs;
+              }
+              // set start date + event duration in seconds
             }
           }
         }
         if( 0 < count( $recurlist )) {
           ksort( $recurlist );
           foreach( $recurlist as $recurkey => $durvalue ) {
-            if((( $startDate - $rdurWsecs ) > $recurkey ) || ( $endDate < $recurkey )) // not within period
+            if((( $startDate - $rdurWsecs ) > $recurkey ) || ( $endDate < $recurkey )) {
+                // not within period
               continue;
-            if( isset( $exdatelist[$recurkey] )) // check excluded dates
+            }
+            if( isset( $exdatelist[$recurkey] )) {
+                // check excluded dates
               continue;
-            if( $startWdate >= $recurkey ) // exclude component start date
+            }
+            if( $startWdate >= $recurkey ) {
+                // exclude component start date
               continue;
+            }
             $component2   = $component->copy();
             $rstart       = $component2->_timestamp2date( $recurkey, 6);
             $datevalue    = $rstart['month'].'/'.$rstart['day'].'/'.$rstart['year'];
@@ -965,16 +1062,16 @@ 
               $datevalue .= ( isset( $rstart['sec'] ))  ? ':'.$rstart['sec']  : ':00';
             }
             $datestring = date( $startDateFormat, strtotime( $datevalue ));
-            if( isset( $start['tz'] ))
-              $datestring .= ' '.$start['tz'];
+            if( isset( $start['tz'] )) {
+                          $datestring .= ' '.$start['tz'];
+            }
             $component2->setProperty( 'X-CURRENT-DTSTART', $datestring );
             $rend   = $component2->_timestamp2date(( $recurkey + $durvalue ), 6);
             if( $dtendExist || $dueExist ) {
               if( $endAllDayEvent ) {
                 $rend2 = mktime( 0, 0, 0, $rend['month'], ($rend['day'] + 1), $rend['year'] );
                 $datevalue  = date( 'm', $rend2 ).'/'.date( 'd', $rend2 ).'/'.date( 'Y', $rend2 );
-              }
-              else {
+              } else {
                 $datevalue  = $rend['month'].'/'.$rend['day'].'/'.$rend['year'];
                 if( isset( $end['hour'] ) || isset( $end['min'] ) || isset( $end['sec'] )) {
                   $datevalue .= ( isset( $rend['hour'] )) ? ' '.$rend['hour'] : ' 00';
@@ -983,30 +1080,37 @@ 
                 }
               }
               $datestring = date( $endDateFormat, strtotime( $datevalue ));
-              if( isset( $end['tz'] ))
-                $datestring .= ' '.$end['tz'];
-              if( $dtendExist )
-                $component2->setProperty( 'X-CURRENT-DTEND', $datestring );
-              elseif( $dueExist )
-                $component2->setProperty( 'X-CURRENT-DUE', $datestring );
+              if( isset( $end['tz'] )) {
+                              $datestring .= ' '.$end['tz'];
+              }
+              if( $dtendExist ) {
+                              $component2->setProperty( 'X-CURRENT-DTEND', $datestring );
+              } elseif( $dueExist ) {
+                              $component2->setProperty( 'X-CURRENT-DUE', $datestring );
+              }
             }
             $rend   = $component2->_date2timestamp( $rend );
             $rstart = $recurkey;
             /* add repeating components within valid dates to output array, only start date */
-            if( $flat )
-              $result[] = $component2->copy(); // copy to output
+            if( $flat ) {
+                          $result[] = $component2->copy();
+            }
+            // copy to output
             elseif( $split ) {
-              if( $rend > $endDate )
-                $rend = $endDate;
+              if( $rend > $endDate ) {
+                              $rend = $endDate;
+              }
               while( $rstart <= $rend ) { // iterate
                 $wd = getdate( $rstart );
                 if(( $rstart > $startDate ) &&      // date after dtstart
-                    !isset( $exdatelist[$rstart] )) // check exclude date
-                  $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
+                    !isset( $exdatelist[$rstart] )) {
+                    // check exclude date
+                  $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy();
+                }
+                // copy to output
                 $rstart += ( 24*60*60 ); // step one day
               }
-            }
-            elseif(( $rstart >= $startDate ) &&     // date within period
+            } elseif(( $rstart >= $startDate ) &&     // date within period
                   !isset( $exdatelist[$rstart] )) { // check exclude date
               $wd = getdate( $rstart );
               $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component2->copy(); // copy to output
@@ -1014,19 +1118,29 @@ 
           }
         }
             /* deselect components with startdate/enddate not within period */
-        if(( $endWdate < $startDate ) || ( $startWdate > $endDate )) continue;
+        if(( $endWdate < $startDate ) || ( $startWdate > $endDate )) {
+            continue;
+        }
       }
             /* deselect components with startdate not within period */
-      elseif(( $startWdate < $startDate ) || ( $startWdate > $endDate )) continue;
+      elseif(( $startWdate < $startDate ) || ( $startWdate > $endDate )) {
+          continue;
+      }
             /* add selected components within valid dates to output array */
-      if( $flat )
-        $result[] = $component->copy(); // copy to output;
+      if( $flat ) {
+              $result[] = $component->copy();
+      }
+      // copy to output;
       elseif( $split ) {
-        if( $endWdate > $endDate )
-          $endWdate = $endDate;     // use period end date
+        if( $endWdate > $endDate ) {
+                  $endWdate = $endDate;
+        }
+        // use period end date
         if( !isset( $exdatelist[$startWdate] ))  { // check excluded dates
-          if( $startWdate < $startDate )
-            $startWdate = $startDate; // use period start date
+          if( $startWdate < $startDate ) {
+                      $startWdate = $startDate;
+          }
+          // use period start date
           while( $startWdate <= $endWdate ) { // iterate
             $wd = getdate( $startWdate );
             $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component->copy(); // copy to output
@@ -1040,8 +1154,9 @@ 
         $result[$wd['year']][$wd['mon']][$wd['mday']][] = $component->copy(); // copy to output
       }
     }
-    if( 0 >= count( $result )) return FALSE;
-    elseif( !$flat ) {
+    if( 0 >= count( $result )) {
+        return FALSE;
+    } elseif( !$flat ) {
       foreach( $result as $y => $yeararr ) {
         foreach( $yeararr as $m => $montharr ) {
           ksort( $result[$y][$m] );
@@ -1063,8 +1178,9 @@ 
  * @return void
  */
   function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
-    if( '' >= $component->getConfig( 'language'))
-      $component->setConfig( 'language',  $this->getConfig( 'language' ));
+    if( '' >= $component->getConfig( 'language')) {
+          $component->setConfig( 'language',  $this->getConfig( 'language' ));
+    }
     $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
     $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
     $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
@@ -1083,27 +1199,26 @@ 
     if ( ctype_digit( (string) $arg1 )) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
-    }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
+    } elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
       $argType = strtolower( $arg1 );
       $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
     }
     $cix1sC = 0;
     foreach ( $this->components as $cix => $component2) {
-      if( empty( $component2 )) continue;
+      if( empty( $component2 )) {
+          continue;
+      }
       unset( $component2->propix );
       if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         $this->components[$cix] = $component->copy();
         return TRUE;
-      }
-      elseif( $argType == $component2->objName ) {
+      } elseif( $argType == $component2->objName ) {
         if( $index == $cix1sC ) {
           $this->components[$cix] = $component->copy();
           return TRUE;
         }
         $cix1sC++;
-      }
-      elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) {
+      } elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) {
         $this->components[$cix] = $component->copy();
         return TRUE;
       }
@@ -1130,73 +1245,124 @@ 
     }
   }
   function _cmpfcn( $a, $b ) {
-    if( empty( $a ))                                   return -1;
-    if( empty( $b ))                                   return  1;
-    if(  'vtimezone' == $a->objName)                   return -1;
-    if(  'vtimezone' == $b->objName)                   return  1;
+    if( empty( $a )) {
+        return -1;
+    }
+    if( empty( $b )) {
+        return  1;
+    }
+    if(  'vtimezone' == $a->objName) {
+        return -1;
+    }
+    if(  'vtimezone' == $b->objName) {
+        return  1;
+    }
     $astart = ( isset( $a->xprop['X-CURRENT-DTSTART']['value'] )) ? $a->_date_time_string( $a->xprop['X-CURRENT-DTSTART']['value'] ) : null;
-    if( empty( $astart ) && isset( $a->dtstart['value'] ))
-      $astart = & $a->dtstart['value'];
+    if( empty( $astart ) && isset( $a->dtstart['value'] )) {
+          $astart = & $a->dtstart['value'];
+    }
     $bstart = ( isset( $b->xprop['X-CURRENT-DTSTART']['value'] )) ? $b->_date_time_string( $b->xprop['X-CURRENT-DTSTART']['value'] ) : null;
-    if( empty( $bstart ) && isset( $b->dtstart['value'] ))
-      $bstart = & $b->dtstart['value'];
-    if(     empty( $astart ))                          return -1;
-    elseif( empty( $bstart ))                          return  1;
+    if( empty( $bstart ) && isset( $b->dtstart['value'] )) {
+          $bstart = & $b->dtstart['value'];
+    }
+    if(     empty( $astart )) {
+        return -1;
+    } elseif( empty( $bstart )) {
+        return  1;
+    }
     foreach( $this->_sortkeys as $key ) {
-      if    ( empty( $astart[$key] ))                  return -1;
-      elseif( empty( $bstart[$key] ))                  return  1;
-      if    (        $astart[$key] == $bstart[$key])   continue;
-      if    (( (int) $astart[$key] ) < ((int) $bstart[$key] ))
-                                                       return -1;
-      elseif(( (int) $astart[$key] ) > ((int) $bstart[$key] ))
-                                                       return  1;
+      if    ( empty( $astart[$key] )) {
+          return -1;
+      } elseif( empty( $bstart[$key] )) {
+          return  1;
+      }
+      if    (        $astart[$key] == $bstart[$key]) {
+          continue;
+      }
+      if    (( (int) $astart[$key] ) < ((int) $bstart[$key] )) {
+                                                             return -1;
+      } elseif(( (int) $astart[$key] ) > ((int) $bstart[$key] )) {
+                                                             return  1;
+      }
     }
     $c   = ( isset( $a->xprop['X-CURRENT-DTEND']['value'] )) ? $a->_date_time_string( $a->xprop['X-CURRENT-DTEND']['value'] ) : null;
-    if(     empty( $c ) && !empty( $a->dtend['value'] ))
-      $c = & $a->dtend['value'];
-    if(     empty( $c ) && isset( $a->xprop['X-CURRENT-DUE']['value'] ))
-      $c = $a->_date_time_string( $a->xprop['X-CURRENT-DUE']['value'] );
-    if(     empty( $c ) && !empty( $a->due['value'] ))
-      $c = & $a->due['value'];
-    if(     empty( $c ) && !empty( $a->duration['value'] ))
-      $c = $a->duration2date();
+    if(     empty( $c ) && !empty( $a->dtend['value'] )) {
+          $c = & $a->dtend['value'];
+    }
+    if(     empty( $c ) && isset( $a->xprop['X-CURRENT-DUE']['value'] )) {
+          $c = $a->_date_time_string( $a->xprop['X-CURRENT-DUE']['value'] );
+    }
+    if(     empty( $c ) && !empty( $a->due['value'] )) {
+          $c = & $a->due['value'];
+    }
+    if(     empty( $c ) && !empty( $a->duration['value'] )) {
+          $c = $a->duration2date();
+    }
     $d   = ( isset( $b->xprop['X-CURRENT-DTEND']['value'] )) ? $b->_date_time_string( $b->xprop['X-CURRENT-DTEND']['value'] ) : null;
-    if(     empty( $d ) && !empty( $b->dtend['value'] ))
-      $d = & $b->dtend['value'];
-    if(     empty( $d ) && isset( $b->xprop['X-CURRENT-DUE']['value'] ))
-      $d = $b->_date_time_string( $b->xprop['X-CURRENT-DUE']['value'] );
-    if(     empty( $d ) && !empty( $b->due['value'] ))
-      $d = & $b->due['value'];
-    if(     empty( $d ) && !empty( $b->duration['value'] ))
-      $d = $b->duration2date();
-    if(     empty( $c ))                               return -1;
-    elseif( empty( $d ))                               return  1;
+    if(     empty( $d ) && !empty( $b->dtend['value'] )) {
+          $d = & $b->dtend['value'];
+    }
+    if(     empty( $d ) && isset( $b->xprop['X-CURRENT-DUE']['value'] )) {
+          $d = $b->_date_time_string( $b->xprop['X-CURRENT-DUE']['value'] );
+    }
+    if(     empty( $d ) && !empty( $b->due['value'] )) {
+          $d = & $b->due['value'];
+    }
+    if(     empty( $d ) && !empty( $b->duration['value'] )) {
+          $d = $b->duration2date();
+    }
+    if(     empty( $c )) {
+        return -1;
+    } elseif( empty( $d )) {
+        return  1;
+    }
     foreach( $this->_sortkeys as $key ) {
-      if    ( !isset( $c[$key] ))                      return -1;
-      elseif( !isset( $d[$key] ))                      return  1;
-      if    (         $c[$key] == $d[$key] )           continue;
-      if    ((  (int) $c[$key] ) < ((int) $d[$key]))   return -1;
-      elseif((  (int) $c[$key] ) > ((int) $d[$key]))   return  1;
-    }
-    if( isset( $a->created['value'] ))
-     $e = & $a->created['value'];
-    else
-     $e = & $a->dtstamp['value'];
-    if( isset( $b->created['value'] ))
-      $f = & $b->created['value'];
-    else
-      $f = & $b->dtstamp['value'];
+      if    ( !isset( $c[$key] )) {
+          return -1;
+      } elseif( !isset( $d[$key] )) {
+          return  1;
+      }
+      if    (         $c[$key] == $d[$key] ) {
+          continue;
+      }
+      if    ((  (int) $c[$key] ) < ((int) $d[$key])) {
+          return -1;
+      } elseif((  (int) $c[$key] ) > ((int) $d[$key])) {
+          return  1;
+      }
+    }
+    if( isset( $a->created['value'] )) {
+         $e = & $a->created['value'];
+    } else {
+         $e = & $a->dtstamp['value'];
+    }
+    if( isset( $b->created['value'] )) {
+          $f = & $b->created['value'];
+    } else {
+          $f = & $b->dtstamp['value'];
+    }
     foreach( $this->_sortkeys as $key ) {
-      if(       !isset( $e[$key] ))                    return -1;
-      elseif(   !isset( $f[$key] ))                    return  1;
-      if    (           $e[$key] == $f[$key] )         continue;
-      if    ((    (int) $e[$key] ) < ((int) $f[$key])) return -1;
-      elseif((    (int) $e[$key] ) > ((int) $f[$key])) return  1;
+      if(       !isset( $e[$key] )) {
+          return -1;
+      } elseif(   !isset( $f[$key] )) {
+          return  1;
+      }
+      if    (           $e[$key] == $f[$key] ) {
+          continue;
+      }
+      if    ((    (int) $e[$key] ) < ((int) $f[$key])) {
+          return -1;
+      } elseif((    (int) $e[$key] ) > ((int) $f[$key])) {
+          return  1;
+      }
     }
     if    ((            $a->uid['value'] ) <
-           (            $b->uid['value'] ))            return -1;
-    elseif((            $a->uid['value'] ) >
-           (            $b->uid['value'] ))            return  1;
+           (            $b->uid['value'] )) {
+        return -1;
+    } elseif((            $a->uid['value'] ) >
+           (            $b->uid['value'] )) {
+        return  1;
+    }
     return 0;
   }
 /**
@@ -1211,42 +1377,57 @@ 
   function parse( $filename=FALSE ) {
     if( !$filename ) {
             /* directory/filename previous set via setConfig directory+filename / url */
-      if( FALSE === ( $filename = $this->getConfig( 'url' )))
-        $filename = $this->getConfig( 'dirfile' );
-    }
-    elseif(( 'http://'   == strtolower( substr( $filename, 0, 7 ))) ||
+      if( FALSE === ( $filename = $this->getConfig( 'url' ))) {
+              $filename = $this->getConfig( 'dirfile' );
+      }
+    } elseif(( 'http://'   == strtolower( substr( $filename, 0, 7 ))) ||
            ( 'webcal://' == strtolower( substr( $filename, 0, 9 ))))  {
             /* remote file - URL */
       $this->setConfig( 'URL', $filename );
-      if( !$filename = $this->getConfig( 'url' ))
-        return FALSE;                 /* err 2 */
-    }
-    else {
+      if( !$filename = $this->getConfig( 'url' )) {
+              return FALSE;
+      }
+      /* err 2 */
+    } else {
             /* local directory/filename */
       $parts = pathinfo( $filename );
       if( !empty( $parts['dirname'] ) && ( '.' != $parts['dirname'] )) {
-        if( !$this->setConfig( 'directory', $parts['dirname'] ))
-          return FALSE;               /* err 3 */
+        if( !$this->setConfig( 'directory', $parts['dirname'] )) {
+                  return FALSE;
+        }
+        /* err 3 */
+      }
+      if( !$this->setConfig( 'filename', $parts['basename'] )) {
+              return FALSE;
       }
-      if( !$this->setConfig( 'filename', $parts['basename'] ))
-        return FALSE;                 /* err 4 */
+      /* err 4 */
     }
     if( 'http://' != substr( $filename, 0, 7 )) {
             /* local file error tests */
-      if( !is_file( $filename ))      /* err 5 */
+      if( !is_file( $filename )) {
+          /* err 5 */
         return FALSE;
-      if( !is_readable( $filename ))
-        return FALSE;                 /* err 6 */
-      if( !filesize( $filename ))
-        return FALSE;                 /* err 7 */
+      }
+      if( !is_readable( $filename )) {
+              return FALSE;
+      }
+      /* err 6 */
+      if( !filesize( $filename )) {
+              return FALSE;
+      }
+      /* err 7 */
       clearstatcache();
     }
             /* READ FILE */
-    if( FALSE === ( $rows = file( $filename )))
-      return FALSE;                   /* err 1 */
+    if( FALSE === ( $rows = file( $filename ))) {
+          return FALSE;
+    }
+    /* err 1 */
             /* identify BEGIN:VCALENDAR, MUST be first row */
-    if( 'BEGIN:VCALENDAR' != strtoupper( trim( $rows[0] )))
-      return FALSE;                   /* err 8 */
+    if( 'BEGIN:VCALENDAR' != strtoupper( trim( $rows[0] ))) {
+          return FALSE;
+    }
+    /* err 8 */
             /* remove empty trailing lines */
     while( '' == trim( $rows[count( $rows ) - 1] )) {
       unset( $rows[count( $rows ) - 1] );
@@ -1256,34 +1437,37 @@ 
     if( 'END:VCALENDAR'   != strtoupper( trim( $rows[count( $rows ) - 1] ))) {
       return FALSE;                   /* err 9 */
     }
-    if( 3 > count( $rows ))
-      return FALSE;                   /* err 10 */
+    if( 3 > count( $rows )) {
+          return FALSE;
+    }
+    /* err 10 */
     $comp    = $subcomp = null;
     $actcomp = & $this;
     $nl      = $this->getConfig( 'nl' );
     $calsync = 0;
             /* identify components and update unparsed data within component */
     foreach( $rows as $line ) {
-      if( '' == trim( $line ))
-        continue;
-      if( $nl == substr( $line, 0 - strlen( $nl )))
-        $line = substr( $line, 0, ( strlen( $line ) - strlen( $nl ))).'\n';
+      if( '' == trim( $line )) {
+              continue;
+      }
+      if( $nl == substr( $line, 0 - strlen( $nl ))) {
+              $line = substr( $line, 0, ( strlen( $line ) - strlen( $nl ))).'\n';
+      }
       if( 'BEGIN:VCALENDAR' == strtoupper( substr( $line, 0, 15 ))) {
         $calsync++;
         continue;
-      }
-      elseif( 'END:VCALENDAR' == strtoupper( substr( $line, 0, 13 ))) {
+      } elseif( 'END:VCALENDAR' == strtoupper( substr( $line, 0, 13 ))) {
         $calsync--;
         continue;
+      } elseif( 1 != $calsync ) {
+              return FALSE;
       }
-      elseif( 1 != $calsync )
-        return FALSE;                 /* err 20 */
+      /* err 20 */
       if( 'END:' == strtoupper( substr( $line, 0, 4 ))) {
         if( null != $subcomp ) {
           $comp->setComponent( $subcomp );
           $subcomp = null;
-        }
-        else {
+        } else {
           $this->setComponent( $comp );
           $comp = null;
         }
@@ -1294,17 +1478,18 @@ 
         $line = str_replace( '\n', '', $line );
         $compname = trim (strtoupper( substr( $line, 6 )));
         if( null != $comp ) {
-          if( 'VALARM' == $compname )
-            $subcomp = new valarm();
-          elseif( 'STANDARD' == $compname )
-            $subcomp = new vtimezone( 'STANDARD' );
-          elseif( 'DAYLIGHT' == $compname )
-            $subcomp = new vtimezone( 'DAYLIGHT' );
-          else
-            return FALSE; /* err 6 */
+          if( 'VALARM' == $compname ) {
+                      $subcomp = new valarm();
+          } elseif( 'STANDARD' == $compname ) {
+                      $subcomp = new vtimezone( 'STANDARD' );
+          } elseif( 'DAYLIGHT' == $compname ) {
+                      $subcomp = new vtimezone( 'DAYLIGHT' );
+          } else {
+                      return FALSE;
+          }
+          /* err 6 */
           $actcomp = & $subcomp;
-        }
-        else {
+        } else {
           switch( $compname ) {
             case 'VALARM':
               $comp = new valarm();
@@ -1353,8 +1538,7 @@ 
           $newProp = FALSE;
           $lastix++;
           $proprows[$lastix]  = $line;
-        }
-        else {
+        } else {
             /* remove line breaks */
           if(( '\n' == substr( $proprows[$lastix], -2 )) &&
              (  ' ' == substr( $line, 0, 1 ))) {
@@ -1366,19 +1550,22 @@ 
       }
       $toolbox = new calendarComponent();
       foreach( $proprows as $line ) {
-        if( '\n' == substr( $line, -2 ))
-          $line = substr( $line, 0, strlen( $line ) - 2 );
+        if( '\n' == substr( $line, -2 )) {
+                  $line = substr( $line, 0, strlen( $line ) - 2 );
+        }
             /* get propname */
         $cix = $propname = null;
         for( $cix=0; $cix < strlen( $line ); $cix++ ) {
-          if( in_array( $line{$cix}, array( ':', ';' )))
-            break;
-          else
-            $propname .= $line{$cix};
+          if( in_array( $line{$cix}, array( ':', ';' ))) {
+                      break;
+          } else {
+                      $propname .= $line{$cix};
+          }
         }
             /* ignore version/prodid properties */
-        if( in_array( strtoupper( $propname ), array( 'VERSION', 'PRODID' )))
-          continue;
+        if( in_array( strtoupper( $propname ), array( 'VERSION', 'PRODID' ))) {
+                  continue;
+        }
         $line = substr( $line, $cix);
             /* separate attributes from value */
         $attr   = array();
@@ -1403,20 +1590,22 @@ 
               break;
             }
           }
-          if( ';' == $line{$cix} )
-            $attr[++$attrix] = null;
-          else
-            $attr[$attrix] .= $line{$cix};
+          if( ';' == $line{$cix} ) {
+                      $attr[++$attrix] = null;
+          } else {
+                      $attr[$attrix] .= $line{$cix};
+          }
         }
 
             /* make attributes in array format */
         $propattr = array();
         foreach( $attr as $attribute ) {
           $attrsplit = explode( '=', $attribute, 2 );
-          if( 1 < count( $attrsplit ))
-            $propattr[$attrsplit[0]] = $attrsplit[1];
-          else
-            $propattr[] = $attribute;
+          if( 1 < count( $attrsplit )) {
+                      $propattr[$attrsplit[0]] = $attrsplit[1];
+          } else {
+                      $propattr[] = $attribute;
+          }
         }
             /* update Property */
         if( FALSE !== strpos( $line, ',' )) {
@@ -1430,13 +1619,14 @@ 
             }
           }
           if( 1 < count( $content )) {
-            foreach( $content as $cix => $contentPart )
-              $content[$cix] = $toolbox->_strunrep( $contentPart );
+            foreach( $content as $cix => $contentPart ) {
+                          $content[$cix] = $toolbox->_strunrep( $contentPart );
+            }
             $this->setProperty( $propname, $content, $propattr );
             continue;
+          } else {
+                      $line = reset( $content );
           }
-          else
-            $line = reset( $content );
           $line = $toolbox->_strunrep( $line );
         }
         $this->setProperty( $propname, trim( $line ), $propattr );
@@ -1445,12 +1635,14 @@ 
             /* parse Components */
     if( is_array( $this->components ) && ( 0 < count( $this->components ))) {
       for( $six = 0; $six < count( $this->components ); $six++ ) {
-        if( !empty( $this->components[$six] ))
-          $this->components[$six]->parse();
+        if( !empty( $this->components[$six] )) {
+                  $this->components[$six]->parse();
+        }
       }
+    } else {
+          return FALSE;
     }
-    else
-      return FALSE;                   /* err 91 or something.. . */
+    /* err 91 or something.. . */
     return TRUE;
   }
 /*********************************************************************************/
@@ -1482,8 +1674,9 @@ 
     switch( $this->format ) {
       case 'xcal':
         $nlstrlen = strlen( $this->nl );
-        if( $this->nl == substr( $calendarStart, ( 0 - $nlstrlen )))
-          $calendarStart = substr( $calendarStart, 0, ( strlen( $calendarStart ) - $nlstrlen ));
+        if( $this->nl == substr( $calendarStart, ( 0 - $nlstrlen ))) {
+                  $calendarStart = substr( $calendarStart, 0, ( strlen( $calendarStart ) - $nlstrlen ));
+        }
         $calendarStart .= '>'.$this->nl;
         break;
       default:
@@ -1491,9 +1684,12 @@ 
     }
     $calendar .= $this->createXprop();
     foreach( $this->components as $component ) {
-      if( empty( $component )) continue;
-      if( '' >= $component->getConfig( 'language'))
-        $component->setConfig( 'language',  $this->getConfig( 'language' ));
+      if( empty( $component )) {
+          continue;
+      }
+      if( '' >= $component->getConfig( 'language')) {
+              $component->setConfig( 'language',  $this->getConfig( 'language' ));
+      }
       $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
       $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
       $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
@@ -1506,8 +1702,10 @@ 
       foreach( $this->xcaldecl as $declix => $declPart ) {
         if(( 0 < count( $old_xcaldecl)) &&
            ( in_array( $declPart['uri'],      $old_xcaldecl['uri'] )) &&
-           ( in_array( $declPart['external'], $old_xcaldecl['external'] )))
-          continue; // no duplicate uri and ext. references
+           ( in_array( $declPart['external'], $old_xcaldecl['external'] ))) {
+                  continue;
+        }
+        // no duplicate uri and ext. references
         $calendarxCaldecl .= '<!';
         foreach( $declPart as $declKey => $declValue ) {
           switch( $declKey ) {                    // index
@@ -1560,10 +1758,11 @@ 
     $filesize = strlen( $output );
 //    if( headers_sent( $filename, $linenum ))
 //      die( "Headers already sent in $filename on line $linenum\n" );
-    if( 'xcal' == $this->format )
-      header( 'Content-Type: application/calendar+xml; charset=utf-8' );
-    else
-      header( 'Content-Type: text/calendar; charset=utf-8' );
+    if( 'xcal' == $this->format ) {
+          header( 'Content-Type: application/calendar+xml; charset=utf-8' );
+    } else {
+          header( 'Content-Type: text/calendar; charset=utf-8' );
+    }
     header( 'Content-Length: '.$filesize );
     header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
     header( 'Cache-Control: max-age=10' );
@@ -1581,23 +1780,28 @@ 
  * @return bool
  */
   function saveCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE ) {
-    if( $directory )
-      $this->setConfig( 'directory', $directory );
-    if( $filename )
-      $this->setConfig( 'filename',  $filename );
-    if( $delimiter && ($delimiter != DIRECTORY_SEPARATOR ))
-      $this->setConfig( 'delimiter', $delimiter );
-    if( FALSE === ( $dirfile = $this->getConfig( 'url' )))
-      $dirfile = $this->getConfig( 'dirfile' );
+    if( $directory ) {
+          $this->setConfig( 'directory', $directory );
+    }
+    if( $filename ) {
+          $this->setConfig( 'filename',  $filename );
+    }
+    if( $delimiter && ($delimiter != DIRECTORY_SEPARATOR )) {
+          $this->setConfig( 'delimiter', $delimiter );
+    }
+    if( FALSE === ( $dirfile = $this->getConfig( 'url' ))) {
+          $dirfile = $this->getConfig( 'dirfile' );
+    }
     $iCalFile = @fopen( $dirfile, 'w' );
     if( $iCalFile ) {
-      if( FALSE === fwrite( $iCalFile, $this->createCalendar() ))
-        return FALSE;
+      if( FALSE === fwrite( $iCalFile, $this->createCalendar() )) {
+              return FALSE;
+      }
       fclose( $iCalFile );
       return TRUE;
+    } else {
+          return FALSE;
     }
-    else
-      return FALSE;
   }
 /**
  * if recent version of calendar file exists (default one hour), an HTTP redirect header is sent
@@ -1616,15 +1820,19 @@ 
       $timeout   = (int) $directory;
       $directory = FALSE;
     }
-    if( $directory )
-      $this->setConfig( 'directory', $directory );
-    if( $filename )
-      $this->setConfig( 'filename',  $filename );
-    if( $delimiter && ( $delimiter != DIRECTORY_SEPARATOR ))
-      $this->setConfig( 'delimiter', $delimiter );
+    if( $directory ) {
+          $this->setConfig( 'directory', $directory );
+    }
+    if( $filename ) {
+          $this->setConfig( 'filename',  $filename );
+    }
+    if( $delimiter && ( $delimiter != DIRECTORY_SEPARATOR )) {
+          $this->setConfig( 'delimiter', $delimiter );
+    }
     $filesize    = $this->getConfig( 'filesize' );
-    if( 0 >= $filesize )
-      return FALSE;
+    if( 0 >= $filesize ) {
+          return FALSE;
+    }
     $dirfile     = $this->getConfig( 'dirfile' );
     if( time() - filemtime( $dirfile ) < $timeout) {
       clearstatcache();
@@ -1632,10 +1840,11 @@ 
       $filename  = $this->getConfig( 'filename' );
 //    if( headers_sent( $filename, $linenum ))
 //      die( "Headers already sent in $filename on line $linenum\n" );
-      if( 'xcal' == $this->format )
-        header( 'Content-Type: application/calendar+xml; charset=utf-8' );
-      else
-        header( 'Content-Type: text/calendar; charset=utf-8' );
+      if( 'xcal' == $this->format ) {
+              header( 'Content-Type: application/calendar+xml; charset=utf-8' );
+      } else {
+              header( 'Content-Type: text/calendar; charset=utf-8' );
+      }
       header( 'Content-Length: '.$filesize );
       header( 'Content-Disposition: attachment; filename="'.$filename.'"' );
       header( 'Cache-Control: max-age=10' );
@@ -1645,9 +1854,9 @@ 
         fclose( $fp );
       }
       die();
+    } else {
+          return FALSE;
     }
-    else
-      return FALSE;
   }
 }
 /*********************************************************************************/
@@ -1718,9 +1927,12 @@ 
  * @return string
  */
   function createAction() {
-    if( empty( $this->action )) return FALSE;
-    if( empty( $this->action['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ACTION' ) : FALSE;
+    if( empty( $this->action )) {
+        return FALSE;
+    }
+    if( empty( $this->action['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ACTION' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->action['params'] );
     return $this->_createElement( 'ACTION', $attributes, $this->action['value'] );
   }
@@ -1734,7 +1946,11 @@ 
  * @return bool
  */
   function setAction( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->action = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -1750,14 +1966,17 @@ 
  * @return string
  */
   function createAttach() {
-    if( empty( $this->attach )) return FALSE;
+    if( empty( $this->attach )) {
+        return FALSE;
+    }
     $output       = null;
     foreach( $this->attach as $attachPart ) {
       if(! empty( $attachPart['value'] )) {
         $attributes = $this->_createParams( $attachPart['params'] );
         $output    .= $this->_createElement( 'ATTACH', $attributes, $attachPart['value'] );
+      } elseif( $this->getConfig( 'allowEmpty' )) {
+          $output .= $this->_createElement( 'ATTACH' );
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'ATTACH' );
     }
     return $output;
   }
@@ -1772,7 +1991,11 @@ 
  * @return bool
  */
   function setAttach( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->attach, $value, $params, FALSE, $index );
     return TRUE;
   }
@@ -1788,19 +2011,22 @@ 
  * @return string
  */
   function createAttendee() {
-    if( empty( $this->attendee )) return FALSE;
+    if( empty( $this->attendee )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->attendee as $attendeePart ) {                      // start foreach 1
       if( empty( $attendeePart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' ))
-          $output .= $this->_createElement( 'ATTENDEE' );
+        if( $this->getConfig( 'allowEmpty' )) {
+                  $output .= $this->_createElement( 'ATTENDEE' );
+        }
         continue;
       }
       $attendee1 = $attendee2 = $attendeeLANG = $attendeeCN = null;
       foreach( $attendeePart as $paramlabel => $paramvalue ) {         // start foreach 2
-        if( 'value' == $paramlabel )
-          $attendee2  .= 'MAILTO:'.$paramvalue;
-        elseif(( 'params' == $paramlabel ) && ( is_array( $paramvalue ))) { // start elseif
+        if( 'value' == $paramlabel ) {
+                  $attendee2  .= 'MAILTO:'.$paramvalue;
+        } elseif(( 'params' == $paramlabel ) && ( is_array( $paramvalue ))) { // start elseif
           foreach( $paramvalue as $optparamlabel => $optparamvalue ) { // start foreach 3
             $attendee11 = $attendee12 = null;
             if( is_int( $optparamlabel )) {
@@ -1860,7 +2086,11 @@ 
  * @return bool
  */
   function setAttendee( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $value = str_replace ( 'MAILTO:', '', $value );
     $value = str_replace ( 'mailto:', '', $value );
     $params2 = array();
@@ -1876,16 +2106,17 @@ 
               foreach( $optparamvalue as $part ) {
                 $part = str_replace( 'MAILTO:', '', $part );
                 $part = str_replace( 'mailto:', '', $part );
-                if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
-                  $part = substr( $part, 1, ( strlen($part)-2 ));
+                if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} )) {
+                                  $part = substr( $part, 1, ( strlen($part)-2 ));
+                }
                 $optarrays[$optparamlabel][] = $part;
               }
-            }
-            else {
+            } else {
               $part = str_replace( 'MAILTO:', '', $optparamvalue );
               $part = str_replace( 'mailto:', '', $part );
-              if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} ))
-                $part = substr( $part, 1, ( strlen($part)-2 ));
+              if(( '"' == $part{0} ) && ( '"' == $part{strlen($part)-1} )) {
+                              $part = substr( $part, 1, ( strlen($part)-2 ));
+              }
               $optarrays[$optparamlabel][] = $part;
             }
             break;
@@ -1895,14 +2126,16 @@ 
               $optparamvalue = str_replace( 'mailto:', '', $optparamvalue );
             }
             if(( '"' == substr( $optparamvalue, 0, 1 )) &&
-               ( '"' == substr( $optparamvalue, -1 )))
-              $optparamvalue = substr( $optparamvalue, 1, ( strlen( $optparamvalue ) - 2 ));
+               ( '"' == substr( $optparamvalue, -1 ))) {
+                          $optparamvalue = substr( $optparamvalue, 1, ( strlen( $optparamvalue ) - 2 ));
+            }
             $params2[$optparamlabel] = $optparamvalue;
             break;
         } // end switch( $optparamlabel.. .
       } // end foreach( $optparam.. .
-      foreach( $optarrays as $optparamlabel => $optparams )
-        $params2[$optparamlabel] = $optparams;
+      foreach( $optarrays as $optparamlabel => $optparams ) {
+              $params2[$optparamlabel] = $optparams;
+      }
     }
         // remove defaults
     $this->_existRem( $params2, 'CUTYPE',   'INDIVIDUAL' );
@@ -1912,8 +2145,9 @@ 
         // check language setting
     if( isset( $params2['CN' ] )) {
       $lang = $this->getConfig( 'language' );
-      if( !isset( $params2['LANGUAGE' ] ) && !empty( $lang ))
-        $params2['LANGUAGE' ] = $lang;
+      if( !isset( $params2['LANGUAGE' ] ) && !empty( $lang )) {
+              $params2['LANGUAGE' ] = $lang;
+      }
     }
     $this->_setMval( $this->attendee, $value, $params2, FALSE, $index );
     return TRUE;
@@ -1930,22 +2164,26 @@ 
  * @return string
  */
   function createCategories() {
-    if( empty( $this->categories )) return FALSE;
+    if( empty( $this->categories )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->categories as $category ) {
       if( empty( $category['value'] )) {
-        if ( $this->getConfig( 'allowEmpty' ))
-          $output .= $this->_createElement( 'CATEGORIES' );
+        if ( $this->getConfig( 'allowEmpty' )) {
+                  $output .= $this->_createElement( 'CATEGORIES' );
+        }
         continue;
       }
       $attributes = $this->_createParams( $category['params'], array( 'LANGUAGE' ));
       if( is_array( $category['value'] )) {
-        foreach( $category['value'] as $cix => $categoryPart )
-          $category['value'][$cix] = $this->_strrep( $categoryPart );
+        foreach( $category['value'] as $cix => $categoryPart ) {
+                  $category['value'][$cix] = $this->_strrep( $categoryPart );
+        }
         $content  = implode( ',', $category['value'] );
+      } else {
+              $content  = $this->_strrep( $category['value'] );
       }
-      else
-        $content  = $this->_strrep( $category['value'] );
       $output    .= $this->_createElement( 'CATEGORIES', $attributes, $content );
     }
     return $output;
@@ -1961,7 +2199,11 @@ 
  * @return bool
  */
   function setCategories( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->categories, $value, $params, FALSE, $index );
     return TRUE;
  }
@@ -1977,9 +2219,12 @@ 
  * @return string
  */
   function createClass() {
-    if( empty( $this->class )) return FALSE;
-    if( empty( $this->class['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'CLASS' ) : FALSE;
+    if( empty( $this->class )) {
+        return FALSE;
+    }
+    if( empty( $this->class['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'CLASS' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->class['params'] );
     return $this->_createElement( 'CLASS', $attributes, $this->class['value'] );
   }
@@ -1993,7 +2238,11 @@ 
  * @return bool
  */
   function setClass( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->class = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -2009,11 +2258,15 @@ 
  * @return string
  */
   function createComment() {
-    if( empty( $this->comment )) return FALSE;
-    $output = null;
+    if( empty( $this->comment )) {
+        return FALSE;
+    }
+    $output = null;
     foreach( $this->comment as $commentPart ) {
       if( empty( $commentPart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'COMMENT' );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( 'COMMENT' );
+        }
         continue;
       }
       $attributes = $this->_createParams( $commentPart['params'], array( 'ALTREP', 'LANGUAGE' ));
@@ -2033,7 +2286,11 @@ 
  * @return bool
  */
   function setComment( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->comment, $value, $params, FALSE, $index );
     return TRUE;
   }
@@ -2049,16 +2306,20 @@ 
  * @return string
  */
   function createCompleted( ) {
-    if( empty( $this->completed )) return FALSE;
+    if( empty( $this->completed )) {
+        return FALSE;
+    }
     if( !isset( $this->completed['value']['year'] )  &&
         !isset( $this->completed['value']['month'] ) &&
         !isset( $this->completed['value']['day'] )   &&
         !isset( $this->completed['value']['hour'] )  &&
         !isset( $this->completed['value']['min'] )   &&
-        !isset( $this->completed['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        !isset( $this->completed['value']['sec'] )) {
+          if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'COMPLETED' );
-      else return FALSE;
+    } else {
+          return FALSE;
+      }
     $formatted  = $this->_format_date_time( $this->completed['value'], 7 );
     $attributes = $this->_createParams( $this->completed['params'] );
     return $this->_createElement( 'COMPLETED', $attributes, $formatted );
@@ -2082,9 +2343,9 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->completed = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $this->completed = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
     return TRUE;
@@ -2101,15 +2362,18 @@ 
  * @return string
  */
   function createContact() {
-    if( empty( $this->contact )) return FALSE;
+    if( empty( $this->contact )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->contact as $contact ) {
       if( !empty( $contact['value'] )) {
         $attributes = $this->_createParams( $contact['params'], array( 'ALTREP', 'LANGUAGE' ));
         $content    = $this->_strrep( $contact['value'] );
         $output    .= $this->_createElement( 'CONTACT', $attributes, $content );
+      } elseif( $this->getConfig( 'allowEmpty' )) {
+          $output .= $this->_createElement( 'CONTACT' );
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'CONTACT' );
     }
     return $output;
   }
@@ -2124,7 +2388,11 @@ 
  * @return bool
  */
   function setContact( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->contact, $value, $params, FALSE, $index );
     return TRUE;
   }
@@ -2140,7 +2408,9 @@ 
  * @return string
  */
   function createCreated() {
-    if( empty( $this->created )) return FALSE;
+    if( empty( $this->created )) {
+        return FALSE;
+    }
     $formatted  = $this->_format_date_time( $this->created['value'], 7 );
     $attributes = $this->_createParams( $this->created['params'] );
     return $this->_createElement( 'CREATED', $attributes, $formatted );
@@ -2178,15 +2448,18 @@ 
  * @return string
  */
   function createDescription() {
-    if( empty( $this->description )) return FALSE;
+    if( empty( $this->description )) {
+        return FALSE;
+    }
     $output       = null;
     foreach( $this->description as $description ) {
       if( !empty( $description['value'] )) {
         $attributes = $this->_createParams( $description['params'], array( 'ALTREP', 'LANGUAGE' ));
         $content    = $this->_strrep( $description['value'] );
         $output    .= $this->_createElement( 'DESCRIPTION', $attributes, $content );
+      } elseif( $this->getConfig( 'allowEmpty' )) {
+          $output .= $this->_createElement( 'DESCRIPTION' );
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'DESCRIPTION' );
     }
     return $output;
   }
@@ -2201,7 +2474,12 @@ 
  * @return bool
  */
   function setDescription( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) { if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; }
+    if( empty( $value )) { if( $this->getConfig( 'allowEmpty' )) {
+        $value = null;
+    } else {
+        return FALSE;
+    }
+    }
     $this->_setMval( $this->description, $value, $params, FALSE, $index );
     return TRUE;
   }
@@ -2217,16 +2495,20 @@ 
  * @return string
  */
   function createDtend() {
-    if( empty( $this->dtend )) return FALSE;
+    if( empty( $this->dtend )) {
+        return FALSE;
+    }
     if( !isset( $this->dtend['value']['year'] )  &&
         !isset( $this->dtend['value']['month'] ) &&
         !isset( $this->dtend['value']['day'] )   &&
         !isset( $this->dtend['value']['hour'] )  &&
         !isset( $this->dtend['value']['min'] )   &&
-        !isset( $this->dtend['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        !isset( $this->dtend['value']['sec'] )) {
+          if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'DTEND' );
-      else return FALSE;
+    } else {
+          return FALSE;
+      }
     $formatted  = $this->_format_date_time( $this->dtend['value'] );
     $attributes = $this->_createParams( $this->dtend['params'] );
     return $this->_createElement( 'DTEND', $attributes, $formatted );
@@ -2251,9 +2533,9 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->dtend = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $this->dtend = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
     return TRUE;
@@ -2275,8 +2557,9 @@ 
         !isset( $this->dtstamp['value']['day'] )   &&
         !isset( $this->dtstamp['value']['hour'] )  &&
         !isset( $this->dtstamp['value']['min'] )   &&
-        !isset( $this->dtstamp['value']['sec'] ))
-      $this->_makeDtstamp();
+        !isset( $this->dtstamp['value']['sec'] )) {
+          $this->_makeDtstamp();
+    }
     $formatted  = $this->_format_date_time( $this->dtstamp['value'], 7 );
     $attributes = $this->_createParams( $this->dtstamp['params'] );
     return $this->_createElement( 'DTSTAMP', $attributes, $formatted );
@@ -2312,10 +2595,11 @@ 
  * @return TRUE
  */
   function setDtstamp( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $year ))
-      $this->_makeDtstamp();
-    else
-      $this->dtstamp = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+    if( empty( $year )) {
+          $this->_makeDtstamp();
+    } else {
+          $this->dtstamp = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
+    }
     return TRUE;
   }
 /*********************************************************************************/
@@ -2330,18 +2614,23 @@ 
  * @return string
  */
   function createDtstart() {
-    if( empty( $this->dtstart )) return FALSE;
+    if( empty( $this->dtstart )) {
+        return FALSE;
+    }
     if( !isset( $this->dtstart['value']['year'] )  &&
         !isset( $this->dtstart['value']['month'] ) &&
         !isset( $this->dtstart['value']['day'] )   &&
         !isset( $this->dtstart['value']['hour'] )  &&
         !isset( $this->dtstart['value']['min'] )   &&
-        !isset( $this->dtstart['value']['sec'] ))
-    if( $this->getConfig( 'allowEmpty' ))
+        !isset( $this->dtstart['value']['sec'] )) {
+        if( $this->getConfig( 'allowEmpty' ))
       return $this->_createElement( 'DTSTART' );
-    else return FALSE;
-    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' )))
-      unset( $this->dtstart['value']['tz'], $this->dtstart['params']['TZID'] );
+    } else {
+        return FALSE;
+    }
+    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) {
+          unset( $this->dtstart['value']['tz'], $this->dtstart['params']['TZID'] );
+    }
     $formatted  = $this->_format_date_time( $this->dtstart['value'] );
     $attributes = $this->_createParams( $this->dtstart['params'] );
     return $this->_createElement( 'DTSTART', $attributes, $formatted );
@@ -2366,9 +2655,9 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->dtstart = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $this->dtstart = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, 'dtstart' );
     return TRUE;
@@ -2385,16 +2674,20 @@ 
  * @return string
  */
   function createDue() {
-    if( empty( $this->due )) return FALSE;
+    if( empty( $this->due )) {
+        return FALSE;
+    }
     if( !isset( $this->due['value']['year'] )  &&
         !isset( $this->due['value']['month'] ) &&
         !isset( $this->due['value']['day'] )   &&
         !isset( $this->due['value']['hour'] )  &&
         !isset( $this->due['value']['min'] )   &&
-        !isset( $this->due['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        !isset( $this->due['value']['sec'] )) {
+          if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'DUE' );
-      else return FALSE;
+    } else {
+          return FALSE;
+      }
     $formatted  = $this->_format_date_time( $this->due['value'] );
     $attributes = $this->_createParams( $this->due['params'] );
     return $this->_createElement( 'DUE', $attributes, $formatted );
@@ -2418,9 +2711,9 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->due = array( 'value' => null, 'params' => $this->_setParams( $params ));
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $this->due = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
     return TRUE;
@@ -2437,15 +2730,19 @@ 
  * @return string
  */
   function createDuration() {
-    if( empty( $this->duration )) return FALSE;
+    if( empty( $this->duration )) {
+        return FALSE;
+    }
     if( !isset( $this->duration['value']['week'] ) &&
         !isset( $this->duration['value']['day'] )  &&
         !isset( $this->duration['value']['hour'] ) &&
         !isset( $this->duration['value']['min'] )  &&
-        !isset( $this->duration['value']['sec'] ))
-      if( $this->getConfig( 'allowEmpty' ))
+        !isset( $this->duration['value']['sec'] )) {
+          if( $this->getConfig( 'allowEmpty' ))
         return $this->_createElement( 'DURATION', array(), null );
-      else return FALSE;
+    } else {
+          return FALSE;
+      }
     $attributes = $this->_createParams( $this->duration['params'] );
     return $this->_createElement( 'DURATION', $attributes, $this->_format_duration( $this->duration['value'] ));
   }
@@ -2463,19 +2760,24 @@ 
  * @return bool
  */
   function setDuration( $week, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $week )) if( $this->getConfig( 'allowEmpty' )) $week = null; else return FALSE;
-    if( is_array( $week ) && ( 1 <= count( $week )))
-      $this->duration = array( 'value' => $this->_duration_array( $week ), 'params' => $this->_setParams( $day ));
-    elseif( is_string( $week ) && ( 3 <= strlen( trim( $week )))) {
+    if( empty( $week )) {
+        if( $this->getConfig( 'allowEmpty' )) $week = null;
+    } else {
+        return FALSE;
+    }
+    if( is_array( $week ) && ( 1 <= count( $week ))) {
+          $this->duration = array( 'value' => $this->_duration_array( $week ), 'params' => $this->_setParams( $day ));
+    } elseif( is_string( $week ) && ( 3 <= strlen( trim( $week )))) {
       $week = trim( $week );
-      if( in_array( substr( $week, 0, 1 ), array( '+', '-' )))
-        $week = substr( $week, 1 );
+      if( in_array( substr( $week, 0, 1 ), array( '+', '-' ))) {
+              $week = substr( $week, 1 );
+      }
       $this->duration = array( 'value' => $this->_duration_string( $week ), 'params' => $this->_setParams( $day ));
+    } elseif( empty( $week ) && empty( $day ) && empty( $hour ) && empty( $min ) && empty( $sec )) {
+          return FALSE;
+    } else {
+          $this->duration = array( 'value' => $this->_duration_array( array( $week, $day, $hour, $min, $sec )), 'params' => $this->_setParams( $params ));
     }
-    elseif( empty( $week ) && empty( $day ) && empty( $hour ) && empty( $min ) && empty( $sec ))
-      return FALSE;
-    else
-      $this->duration = array( 'value' => $this->_duration_array( array( $week, $day, $hour, $min, $sec )), 'params' => $this->_setParams( $params ));
     return TRUE;
   }
 /*********************************************************************************/
@@ -2490,31 +2792,37 @@ 
  * @return string
  */
   function createExdate() {
-    if( empty( $this->exdate )) return FALSE;
+    if( empty( $this->exdate )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->exdate as $ex => $theExdate ) {
       if( empty( $theExdate['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'EXDATE' );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( 'EXDATE' );
+        }
         continue;
       }
       $content = $attributes = null;
       foreach( $theExdate['value'] as $eix => $exdatePart ) {
         $parno = count( $exdatePart );
         $formatted = $this->_format_date_time( $exdatePart, $parno );
-        if( isset( $theExdate['params']['TZID'] ))
-          $formatted = str_replace( 'Z', '', $formatted);
+        if( isset( $theExdate['params']['TZID'] )) {
+                  $formatted = str_replace( 'Z', '', $formatted);
+        }
         if( 0 < $eix ) {
           if( isset( $theExdate['value'][0]['tz'] )) {
             if( ctype_digit( substr( $theExdate['value'][0]['tz'], -4 )) ||
                ( 'Z' == $theExdate['value'][0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 ))
-                $formatted .= 'Z';
+              if( 'Z' != substr( $formatted, -1 )) {
+                              $formatted .= 'Z';
+              }
+            } else {
+                          $formatted = str_replace( 'Z', '', $formatted );
             }
-            else
-              $formatted = str_replace( 'Z', '', $formatted );
+          } else {
+                      $formatted = str_replace( 'Z', '', $formatted );
           }
-          else
-            $formatted = str_replace( 'Z', '', $formatted );
         }
         $content .= ( 0 < $eix ) ? ','.$formatted : $formatted;
       }
@@ -2538,34 +2846,39 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->_setMval( $this->exdate, null, $params, FALSE, $index );
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $input  = array( 'params' => $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' )));
             /* ev. check 1:st date and save ev. timezone **/
     $this->_chkdatecfg( reset( $exdates ), $parno, $input['params'] );
     $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default parameter
     foreach( $exdates as $eix => $theExdate ) {
-      if( $this->_isArrayTimestampDate( $theExdate ))
-        $exdatea = $this->_timestamp2date( $theExdate, $parno );
-      elseif(  is_array( $theExdate ))
-        $exdatea = $this->_date_time_array( $theExdate, $parno );
-      elseif( 8 <= strlen( trim( $theExdate ))) // ex. 2006-08-03 10:12:18
+      if( $this->_isArrayTimestampDate( $theExdate )) {
+              $exdatea = $this->_timestamp2date( $theExdate, $parno );
+      } elseif(  is_array( $theExdate )) {
+              $exdatea = $this->_date_time_array( $theExdate, $parno );
+      } elseif( 8 <= strlen( trim( $theExdate ))) {
+          // ex. 2006-08-03 10:12:18
         $exdatea = $this->_date_time_string( $theExdate, $parno );
-      if( 3 == $parno )
-        unset( $exdatea['hour'], $exdatea['min'], $exdatea['sec'], $exdatea['tz'] );
-      elseif( isset( $exdatea['tz'] ))
-        $exdatea['tz'] = (string) $exdatea['tz'];
+      }
+      if( 3 == $parno ) {
+              unset( $exdatea['hour'], $exdatea['min'], $exdatea['sec'], $exdatea['tz'] );
+      } elseif( isset( $exdatea['tz'] )) {
+              $exdatea['tz'] = (string) $exdatea['tz'];
+      }
       if(  isset( $input['params']['TZID'] ) ||
          ( isset( $exdatea['tz'] ) && !$this->_isOffset( $exdatea['tz'] )) ||
          ( isset( $input['value'][0] ) && ( !isset( $input['value'][0]['tz'] ))) ||
-         ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] )))
-        unset( $exdatea['tz'] );
+         ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] ))) {
+              unset( $exdatea['tz'] );
+      }
       $input['value'][] = $exdatea;
     }
-    if( 0 >= count( $input['value'] ))
-      return FALSE;
+    if( 0 >= count( $input['value'] )) {
+          return FALSE;
+    }
     if( 3 == $parno ) {
       $input['params']['VALUE'] = 'DATE';
       unset( $input['params']['TZID'] );
@@ -2585,7 +2898,9 @@ 
  * @return string
  */
   function createExrule() {
-    if( empty( $this->exrule )) return FALSE;
+    if( empty( $this->exrule )) {
+        return FALSE;
+    }
     return $this->_format_recur( 'EXRULE', $this->exrule );
   }
 /**
@@ -2599,7 +2914,11 @@ 
  * @return bool
  */
   function setExrule( $exruleset, $params=FALSE, $index=FALSE ) {
-    if( empty( $exruleset )) if( $this->getConfig( 'allowEmpty' )) $exruleset = null; else return FALSE;
+    if( empty( $exruleset )) {
+        if( $this->getConfig( 'allowEmpty' )) $exruleset = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->exrule, $this->_setRexrule( $exruleset ), $params, FALSE, $index );
     return TRUE;
   }
@@ -2615,11 +2934,15 @@ 
  * @return string
  */
   function createFreebusy() {
-    if( empty( $this->freebusy )) return FALSE;
+    if( empty( $this->freebusy )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->freebusy as $freebusyPart ) {
       if( empty( $freebusyPart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'FREEBUSY' );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( 'FREEBUSY' );
+        }
         continue;
       }
       $attributes = $content = null;
@@ -2627,9 +2950,9 @@ 
         $attributes .= $this->intAttrDelimiter.'FBTYPE='.$freebusyPart['value']['fbtype'];
         unset( $freebusyPart['value']['fbtype'] );
         $freebusyPart['value'] = array_values( $freebusyPart['value'] );
+      } else {
+              $attributes .= $this->intAttrDelimiter.'FBTYPE=BUSY';
       }
-      else
-        $attributes .= $this->intAttrDelimiter.'FBTYPE=BUSY';
       $attributes .= $this->_createParams( $freebusyPart['params'] );
       $fno = 1;
       $cnt = count( $freebusyPart['value']);
@@ -2638,21 +2961,24 @@ 
         $content .= $formatted;
         $content .= '/';
         $cnt2 = count( $freebusyPeriod[1]);
-        if( array_key_exists( 'year', $freebusyPeriod[1] ))      // date-time
+        if( array_key_exists( 'year', $freebusyPeriod[1] )) {
+            // date-time
           $cnt2 = 7;
-        elseif( array_key_exists( 'week', $freebusyPeriod[1] ))  // duration
+        } elseif( array_key_exists( 'week', $freebusyPeriod[1] )) {
+            // duration
           $cnt2 = 5;
+        }
         if(( 7 == $cnt2 )   &&    // period=  -> date-time
             isset( $freebusyPeriod[1]['year'] )  &&
             isset( $freebusyPeriod[1]['month'] ) &&
             isset( $freebusyPeriod[1]['day'] )) {
           $content .= $this->_format_date_time( $freebusyPeriod[1] );
-        }
-        else {                                  // period=  -> dur-time
+        } else {                                  // period=  -> dur-time
           $content .= $this->_format_duration( $freebusyPeriod[1] );
         }
-        if( $fno < $cnt )
-          $content .= ',';
+        if( $fno < $cnt ) {
+                  $content .= ',';
+        }
         $fno++;
       }
       $output .= $this->_createElement( 'FREEBUSY', $attributes, $content );
@@ -2675,14 +3001,15 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->_setMval( $this->freebusy, null, $params, FALSE, $index );
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $fbType = strtoupper( $fbType );
     if(( !in_array( $fbType, array( 'FREE', 'BUSY', 'BUSY-UNAVAILABLE', 'BUSY-TENTATIVE' ))) &&
-       ( 'X-' != substr( $fbType, 0, 2 )))
-      $fbType = 'BUSY';
+       ( 'X-' != substr( $fbType, 0, 2 ))) {
+          $fbType = 'BUSY';
+    }
     $input = array( 'fbtype' => $fbType );
     foreach( $fbValues as $fbPeriod ) {   // periods => period
       $freebusyPeriod = array();
@@ -2692,22 +3019,19 @@ 
           if( $this->_isArrayDate( $fbMember )) { // date-time value
             $freebusyPairMember       = $this->_date_time_array( $fbMember, 7 );
             $freebusyPairMember['tz'] = 'Z';
-          }
-          elseif( $this->_isArrayTimestampDate( $fbMember )) { // timestamp value
+          } elseif( $this->_isArrayTimestampDate( $fbMember )) { // timestamp value
             $freebusyPairMember       = $this->_timestamp2date( $fbMember['timestamp'], 7 );
             $freebusyPairMember['tz'] = 'Z';
-          }
-          else {                                         // array format duration
+          } else {                                         // array format duration
             $freebusyPairMember = $this->_duration_array( $fbMember );
           }
-        }
-        elseif(( 3 <= strlen( trim( $fbMember ))) &&    // string format duration
+        } elseif(( 3 <= strlen( trim( $fbMember ))) &&    // string format duration
                ( in_array( $fbMember{0}, array( 'P', '+', '-' )))) {
-          if( 'P' != $fbMember{0} )
-            $fbmember = substr( $fbMember, 1 );
+          if( 'P' != $fbMember{0} ) {
+                      $fbmember = substr( $fbMember, 1 );
+          }
           $freebusyPairMember = $this->_duration_string( $fbMember );
-        }
-        elseif( 8 <= strlen( trim( $fbMember ))) { // text date ex. 2006-08-03 10:12:18
+        } elseif( 8 <= strlen( trim( $fbMember ))) { // text date ex. 2006-08-03 10:12:18
           $freebusyPairMember       = $this->_date_time_string( $fbMember, 7 );
           $freebusyPairMember['tz'] = 'Z';
         }
@@ -2730,9 +3054,12 @@ 
  * @return string
  */
   function createGeo() {
-    if( empty( $this->geo )) return FALSE;
-    if( empty( $this->geo['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'GEO' ) : FALSE;
+    if( empty( $this->geo )) {
+        return FALSE;
+    }
+    if( empty( $this->geo['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'GEO' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->geo['params'] );
     $content    = null;
     $content   .= number_format( (float) $this->geo['value']['latitude'], 6, '.', '');
@@ -2752,15 +3079,17 @@ 
  */
   function setGeo( $latitude, $longitude, $params=FALSE ) {
     if( !empty( $latitude ) && !empty( $longitude )) {
-      if( !is_array( $this->geo )) $this->geo = array();
+      if( !is_array( $this->geo )) {
+          $this->geo = array();
+      }
       $this->geo['value']['latitude']  = $latitude;
       $this->geo['value']['longitude'] = $longitude;
       $this->geo['params'] = $this->_setParams( $params );
+    } elseif( $this->getConfig( 'allowEmpty' )) {
+          $this->geo = array( 'value' => null, 'params' => $this->_setParams( $params ) );
+    } else {
+          return FALSE;
     }
-    elseif( $this->getConfig( 'allowEmpty' ))
-      $this->geo = array( 'value' => null, 'params' => $this->_setParams( $params ) );
-    else
-      return FALSE;
     return TRUE;
   }
 /*********************************************************************************/
@@ -2775,7 +3104,9 @@ 
  * @return string
  */
   function createLastModified() {
-    if( empty( $this->lastmodified )) return FALSE;
+    if( empty( $this->lastmodified )) {
+        return FALSE;
+    }
     $attributes = $this->_createParams( $this->lastmodified['params'] );
     $formatted  = $this->_format_date_time( $this->lastmodified['value'], 7 );
     return $this->_createElement( 'LAST-MODIFIED', $attributes, $formatted );
@@ -2795,8 +3126,9 @@ 
  * @return boll
  */
   function setLastModified( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) {
-    if( empty( $year ))
-      $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
+    if( empty( $year )) {
+          $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' )));
+    }
     $this->lastmodified = $this->_setDate2( $year, $month, $day, $hour, $min, $sec, $params );
     return TRUE;
   }
@@ -2812,9 +3144,12 @@ 
  * @return string
  */
   function createLocation() {
-    if( empty( $this->location )) return FALSE;
-    if( empty( $this->location['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'LOCATION' ) : FALSE;
+    if( empty( $this->location )) {
+        return FALSE;
+    }
+    if( empty( $this->location['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'LOCATION' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->location['params'], array( 'ALTREP', 'LANGUAGE' ));
     $content    = $this->_strrep( $this->location['value'] );
     return $this->_createElement( 'LOCATION', $attributes, $content );
@@ -2829,7 +3164,11 @@ 
  * @return bool
  */
   function setLocation( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->location = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -2845,9 +3184,12 @@ 
  * @return string
  */
   function createOrganizer() {
-    if( empty( $this->organizer )) return FALSE;
-    if( empty( $this->organizer['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ORGANIZER' ) : FALSE;
+    if( empty( $this->organizer )) {
+        return FALSE;
+    }
+    if( empty( $this->organizer['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ORGANIZER' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->organizer['params']
                                       , array( 'CN', 'DIR', 'LANGUAGE', 'SENT-BY' ));
     $content    = 'MAILTO:'.$this->organizer['value'];
@@ -2863,13 +3205,18 @@ 
  * @return bool
  */
   function setOrganizer( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $value = str_replace ( 'MAILTO:', '', $value );
     $value = str_replace ( 'mailto:', '', $value );
     $this->organizer = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     if( isset( $this->organizer['params']['SENT-BY'] )) {
-      if( 'MAILTO' == strtoupper( substr( $this->organizer['params']['SENT-BY'], 0, 6 )))
-        $this->organizer['params']['SENT-BY'] = substr( $this->organizer['params']['SENT-BY'], 7 );
+      if( 'MAILTO' == strtoupper( substr( $this->organizer['params']['SENT-BY'], 0, 6 ))) {
+              $this->organizer['params']['SENT-BY'] = substr( $this->organizer['params']['SENT-BY'], 7 );
+      }
     }
     return TRUE;
   }
@@ -2885,9 +3232,12 @@ 
  * @return string
  */
   function createPercentComplete() {
-    if( empty( $this->percentcomplete )) return FALSE;
-    if( empty( $this->percentcomplete['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PERCENT-COMPLETE' ) : FALSE;
+    if( empty( $this->percentcomplete )) {
+        return FALSE;
+    }
+    if( empty( $this->percentcomplete['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PERCENT-COMPLETE' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->percentcomplete['params'] );
     return $this->_createElement( 'PERCENT-COMPLETE', $attributes, $this->percentcomplete['value'] );
   }
@@ -2901,7 +3251,11 @@ 
  * @return bool
  */
   function setPercentComplete( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->percentcomplete = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -2917,9 +3271,12 @@ 
  * @return string
  */
   function createPriority() {
-    if( empty( $this->priority )) return FALSE;
-    if( empty( $this->priority['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PRIORITY' ) : FALSE;
+    if( empty( $this->priority )) {
+        return FALSE;
+    }
+    if( empty( $this->priority['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PRIORITY' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->priority['params'] );
     return $this->_createElement( 'PRIORITY', $attributes, $this->priority['value'] );
   }
@@ -2933,7 +3290,11 @@ 
  * @return bool
  */
   function setPriority( $value, $params=FALSE  ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->priority = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -2949,18 +3310,24 @@ 
  * @return string
  */
   function createRdate() {
-    if( empty( $this->rdate )) return FALSE;
+    if( empty( $this->rdate )) {
+        return FALSE;
+    }
     $utctime = ( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE;
     $output = null;
-    if( $utctime  )
-      unset( $this->rdate['params']['TZID'] );
+    if( $utctime  ) {
+          unset( $this->rdate['params']['TZID'] );
+    }
     foreach( $this->rdate as $theRdate ) {
       if( empty( $theRdate['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RDATE' );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( 'RDATE' );
+        }
         continue;
       }
-      if( $utctime  )
-        unset( $theRdate['params']['TZID'] );
+      if( $utctime  ) {
+              unset( $theRdate['params']['TZID'] );
+      }
       $attributes = $this->_createParams( $theRdate['params'] );
       $cnt = count( $theRdate['value'] );
       $content = null;
@@ -2969,68 +3336,84 @@ 
         $contentPart = null;
         if( is_array( $rdatePart ) &&
             isset( $theRdate['params']['VALUE'] ) && ( 'PERIOD' == $theRdate['params']['VALUE'] )) { // PERIOD
-          if( $utctime )
-            unset( $rdatePart[0]['tz'] );
+          if( $utctime ) {
+                      unset( $rdatePart[0]['tz'] );
+          }
           $formatted = $this->_format_date_time( $rdatePart[0]); // PERIOD part 1
-          if( $utctime || !empty( $theRdate['params']['TZID'] ))
-            $formatted = str_replace( 'Z', '', $formatted);
+          if( $utctime || !empty( $theRdate['params']['TZID'] )) {
+                      $formatted = str_replace( 'Z', '', $formatted);
+          }
           if( 0 < $rpix ) {
             if( !empty( $rdatePart[0]['tz'] ) && $this->_isOffset( $rdatePart[0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
+              if( 'Z' != substr( $formatted, -1 )) {
+                  $formatted .= 'Z';
+              }
+            } else {
+                          $formatted = str_replace( 'Z', '', $formatted );
             }
-            else
-              $formatted = str_replace( 'Z', '', $formatted );
           }
           $contentPart .= $formatted;
           $contentPart .= '/';
           $cnt2 = count( $rdatePart[1]);
           if( array_key_exists( 'year', $rdatePart[1] )) {
-            if( array_key_exists( 'hour', $rdatePart[1] ))
-              $cnt2 = 7;                                      // date-time
-            else
-              $cnt2 = 3;                                      // date
-          }
-          elseif( array_key_exists( 'week', $rdatePart[1] ))  // duration
+            if( array_key_exists( 'hour', $rdatePart[1] )) {
+                          $cnt2 = 7;
+            }
+            // date-time
+            else {
+                          $cnt2 = 3;
+            }
+            // date
+          } elseif( array_key_exists( 'week', $rdatePart[1] )) {
+              // duration
             $cnt2 = 5;
+          }
           if(( 7 == $cnt2 )   &&    // period=  -> date-time
               isset( $rdatePart[1]['year'] )  &&
               isset( $rdatePart[1]['month'] ) &&
               isset( $rdatePart[1]['day'] )) {
-            if( $utctime )
-              unset( $rdatePart[1]['tz'] );
+            if( $utctime ) {
+                          unset( $rdatePart[1]['tz'] );
+            }
             $formatted = $this->_format_date_time( $rdatePart[1] ); // PERIOD part 2
-            if( $utctime || !empty( $theRdate['params']['TZID'] ))
-              $formatted = str_replace( 'Z', '', $formatted);
+            if( $utctime || !empty( $theRdate['params']['TZID'] )) {
+                          $formatted = str_replace( 'Z', '', $formatted);
+            }
             if( !empty( $rdatePart[0]['tz'] ) && $this->_isOffset( $rdatePart[0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 )) $formatted .= 'Z';
+              if( 'Z' != substr( $formatted, -1 )) {
+                  $formatted .= 'Z';
+              }
+            } else {
+                          $formatted = str_replace( 'Z', '', $formatted );
             }
-            else
-              $formatted = str_replace( 'Z', '', $formatted );
            $contentPart .= $formatted;
-          }
-          else {                                  // period=  -> dur-time
+          } else {                                  // period=  -> dur-time
             $contentPart .= $this->_format_duration( $rdatePart[1] );
           }
         } // PERIOD end
         else { // SINGLE date start
-          if( $utctime )
-            unset( $rdatePart['tz'] );
+          if( $utctime ) {
+                      unset( $rdatePart['tz'] );
+          }
           $formatted = $this->_format_date_time( $rdatePart);
-          if( $utctime || !empty( $theRdate['params']['TZID'] ))
-            $formatted = str_replace( 'Z', '', $formatted);
+          if( $utctime || !empty( $theRdate['params']['TZID'] )) {
+                      $formatted = str_replace( 'Z', '', $formatted);
+          }
           if( !$utctime && ( 0 < $rpix )) {
             if( !empty( $theRdate['value'][0]['tz'] ) && $this->_isOffset( $theRdate['value'][0]['tz'] )) {
-              if( 'Z' != substr( $formatted, -1 ))
-                $formatted .= 'Z';
+              if( 'Z' != substr( $formatted, -1 )) {
+                              $formatted .= 'Z';
+              }
+            } else {
+                          $formatted = str_replace( 'Z', '', $formatted );
             }
-            else
-              $formatted = str_replace( 'Z', '', $formatted );
           }
           $contentPart .= $formatted;
         }
         $content .= $contentPart;
-        if( $rno < $cnt )
-          $content .= ',';
+        if( $rno < $cnt ) {
+                  $content .= ',';
+        }
         $rno++;
       }
       $output    .= $this->_createElement( 'RDATE', $attributes, $content );
@@ -3052,9 +3435,9 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->_setMval( $this->rdate, null, $params, FALSE, $index );
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $input = array( 'params' => $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' )));
     if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) {
@@ -3068,15 +3451,19 @@ 
     (( is_array( $rdates[0][0] ) && ( isset( $rdates[0][0]['timestamp'] ) ||
                                       $this->_isArrayDate( $rdates[0][0] ))) ||
                                     ( is_string( $rdates[0][0] ) && ( 8 <= strlen( trim( $rdates[0][0] )))))  &&
-     ( is_array( $rdates[0][1] ) || ( is_string( $rdates[0][1] ) && ( 3 <= strlen( trim( $rdates[0][1] ))))))
-      $input['params']['VALUE'] = 'PERIOD';
+     ( is_array( $rdates[0][1] ) || ( is_string( $rdates[0][1] ) && ( 3 <= strlen( trim( $rdates[0][1] )))))) {
+          $input['params']['VALUE'] = 'PERIOD';
+    }
             /* check 1:st date, upd. $parno (opt) and save ev. timezone **/
     $date  = reset( $rdates );
-    if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) // PERIOD
+    if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) {
+        // PERIOD
       $date  = reset( $date );
+    }
     $this->_chkdatecfg( $date, $parno, $input['params'] );
-    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' )))
-      unset( $input['params']['TZID'] );
+    if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) {
+          unset( $input['params']['TZID'] );
+    }
     $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default
     foreach( $rdates as $rpix => $theRdate ) {
       $inputa = null;
@@ -3084,48 +3471,60 @@ 
         if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) { // PERIOD
           foreach( $theRdate as $rix => $rPeriod ) {
             if( is_array( $rPeriod )) {
-              if( $this->_isArrayTimestampDate( $rPeriod ))      // timestamp
+              if( $this->_isArrayTimestampDate( $rPeriod )) {
+                  // timestamp
                 $inputab  = ( isset( $rPeriod['tz'] )) ? $this->_timestamp2date( $rPeriod, $parno ) : $this->_timestamp2date( $rPeriod, 6 );
-              elseif( $this->_isArrayDate( $rPeriod ))
-                $inputab  = ( 3 < count ( $rPeriod )) ? $this->_date_time_array( $rPeriod, $parno ) : $this->_date_time_array( $rPeriod, 6 );
-              elseif (( 1 == count( $rPeriod )) && ( 8 <= strlen( reset( $rPeriod ))))  // text-date
+              } elseif( $this->_isArrayDate( $rPeriod )) {
+                              $inputab  = ( 3 < count ( $rPeriod )) ? $this->_date_time_array( $rPeriod, $parno ) : $this->_date_time_array( $rPeriod, 6 );
+              } elseif (( 1 == count( $rPeriod )) && ( 8 <= strlen( reset( $rPeriod )))) {
+                  // text-date
                 $inputab  = $this->_date_time_string( reset( $rPeriod ), $parno );
-              else                                               // array format duration
+              } else {
+                  // array format duration
                 $inputab  = $this->_duration_array( $rPeriod );
-            }
-            elseif(( 3 <= strlen( trim( $rPeriod ))) &&          // string format duration
+              }
+            } elseif(( 3 <= strlen( trim( $rPeriod ))) &&          // string format duration
                    ( in_array( $rPeriod{0}, array( 'P', '+', '-' )))) {
-              if( 'P' != $rPeriod{0} )
-                $rPeriod  = substr( $rPeriod, 1 );
+              if( 'P' != $rPeriod{0} ) {
+                              $rPeriod  = substr( $rPeriod, 1 );
+              }
               $inputab    = $this->_duration_string( $rPeriod );
-            }
-            elseif( 8 <= strlen( trim( $rPeriod )))              // text date ex. 2006-08-03 10:12:18
+            } elseif( 8 <= strlen( trim( $rPeriod ))) {
+                // text date ex. 2006-08-03 10:12:18
               $inputab    = $this->_date_time_string( $rPeriod, $parno );
+            }
             if(  isset( $input['params']['TZID'] ) ||
                ( isset( $inputab['tz'] )   && !$this->_isOffset( $inputab['tz'] )) ||
                ( isset( $inputa[0] )       && ( !isset( $inputa[0]['tz'] )))       ||
-               ( isset( $inputa[0]['tz'] ) && !$this->_isOffset( $inputa[0]['tz'] )))
-              unset( $inputab['tz'] );
+               ( isset( $inputa[0]['tz'] ) && !$this->_isOffset( $inputa[0]['tz'] ))) {
+                          unset( $inputab['tz'] );
+            }
             $inputa[]     = $inputab;
           }
         } // PERIOD end
-        elseif ( $this->_isArrayTimestampDate( $theRdate ))      // timestamp
+        elseif ( $this->_isArrayTimestampDate( $theRdate )) {
+            // timestamp
           $inputa = $this->_timestamp2date( $theRdate, $parno );
-        else                                                     // date[-time]
+        } else {
+            // date[-time]
           $inputa = $this->_date_time_array( $theRdate, $parno );
-      }
-      elseif( 8 <= strlen( trim( $theRdate )))                   // text date ex. 2006-08-03 10:12:18
+        }
+      } elseif( 8 <= strlen( trim( $theRdate ))) {
+          // text date ex. 2006-08-03 10:12:18
         $inputa       = $this->_date_time_string( $theRdate, $parno );
+      }
       if( !isset( $input['params']['VALUE'] ) || ( 'PERIOD' != $input['params']['VALUE'] )) { // no PERIOD
-        if( 3 == $parno )
-          unset( $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] );
-        elseif( isset( $inputa['tz'] ))
-          $inputa['tz'] = (string) $inputa['tz'];
+        if( 3 == $parno ) {
+                  unset( $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] );
+        } elseif( isset( $inputa['tz'] )) {
+                  $inputa['tz'] = (string) $inputa['tz'];
+        }
         if(  isset( $input['params']['TZID'] ) ||
            ( isset( $inputa['tz'] )            && !$this->_isOffset( $inputa['tz'] ))     ||
            ( isset( $input['value'][0] )       && ( !isset( $input['value'][0]['tz'] )))  ||
-           ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] )))
-          unset( $inputa['tz'] );
+           ( isset( $input['value'][0]['tz'] ) && !$this->_isOffset( $input['value'][0]['tz'] ))) {
+                  unset( $inputa['tz'] );
+        }
       }
       $input['value'][] = $inputa;
     }
@@ -3148,9 +3547,12 @@ 
  * @return string
  */
   function createRecurrenceid() {
-    if( empty( $this->recurrenceid )) return FALSE;
-    if( empty( $this->recurrenceid['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'RECURRENCE-ID' ) : FALSE;
+    if( empty( $this->recurrenceid )) {
+        return FALSE;
+    }
+    if( empty( $this->recurrenceid['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'RECURRENCE-ID' ) : FALSE;
+    }
     $formatted  = $this->_format_date_time( $this->recurrenceid['value'] );
     $attributes = $this->_createParams( $this->recurrenceid['params'] );
     return $this->_createElement( 'RECURRENCE-ID', $attributes, $formatted );
@@ -3174,9 +3576,9 @@ 
       if( $this->getConfig( 'allowEmpty' )) {
         $this->recurrenceid = array( 'value' => null, 'params' => null );
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     }
     $this->recurrenceid = $this->_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params );
     return TRUE;
@@ -3193,11 +3595,15 @@ 
  * @return string
  */
   function createRelatedTo() {
-    if( empty( $this->relatedto )) return FALSE;
+    if( empty( $this->relatedto )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->relatedto as $relation ) {
       if( empty( $relation['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output.= $this->_createElement( 'RELATED-TO', $this->_createParams( $relation['params'] ));
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output.= $this->_createElement( 'RELATED-TO', $this->_createParams( $relation['params'] ));
+        }
         continue;
       }
       $attributes = $this->_createParams( $relation['params'] );
@@ -3219,9 +3625,14 @@ 
  * @return bool
  */
   function setRelatedTo( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
-    if(( '<' == substr( $value, 0, 1 )) && ( '>' == substr( $value, -1 )))
-      $value = substr( $value, 1, ( strlen( $value ) - 2 ));
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
+    if(( '<' == substr( $value, 0, 1 )) && ( '>' == substr( $value, -1 ))) {
+          $value = substr( $value, 1, ( strlen( $value ) - 2 ));
+    }
     $this->_existRem( $params, 'RELTYPE', 'PARENT', TRUE ); // remove default
     $this->_setMval( $this->relatedto, $value, $params, FALSE, $index );
     return TRUE;
@@ -3238,9 +3649,12 @@ 
  * @return string
  */
   function createRepeat() {
-    if( empty( $this->repeat )) return FALSE;
-    if( empty( $this->repeat['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'REPEAT' ) : FALSE;
+    if( empty( $this->repeat )) {
+        return FALSE;
+    }
+    if( empty( $this->repeat['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'REPEAT' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->repeat['params'] );
     return $this->_createElement( 'REPEAT', $attributes, $this->repeat['value'] );
   }
@@ -3254,7 +3668,11 @@ 
  * @return void
  */
   function setRepeat( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->repeat = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3269,18 +3687,23 @@ 
  * @return string
  */
   function createRequestStatus() {
-    if( empty( $this->requeststatus )) return FALSE;
+    if( empty( $this->requeststatus )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->requeststatus as $rstat ) {
       if( empty( $rstat['value']['statcode'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'REQUEST-STATUS' );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( 'REQUEST-STATUS' );
+        }
         continue;
       }
       $attributes  = $this->_createParams( $rstat['params'], array( 'LANGUAGE' ));
       $content     = number_format( (float) $rstat['value']['statcode'], 2, '.', '');
       $content    .= ';'.$this->_strrep( $rstat['value']['text'] );
-      if( isset( $rstat['value']['extdata'] ))
-        $content  .= ';'.$this->_strrep( $rstat['value']['extdata'] );
+      if( isset( $rstat['value']['extdata'] )) {
+              $content  .= ';'.$this->_strrep( $rstat['value']['extdata'] );
+      }
       $output     .= $this->_createElement( 'REQUEST-STATUS', $attributes, $content );
     }
     return $output;
@@ -3298,10 +3721,15 @@ 
  * @return bool
  */
   function setRequestStatus( $statcode, $text, $extdata=FALSE, $params=FALSE, $index=FALSE ) {
-    if( empty( $statcode ) || empty( $text )) if( $this->getConfig( 'allowEmpty' )) $statcode = $text = null; else return FALSE;
+    if( empty( $statcode ) || empty( $text )) {
+        if( $this->getConfig( 'allowEmpty' )) $statcode = $text = null;
+    } else {
+        return FALSE;
+    }
     $input              = array( 'statcode' => $statcode, 'text' => $text );
-    if( $extdata )
-      $input['extdata'] = $extdata;
+    if( $extdata ) {
+          $input['extdata'] = $extdata;
+    }
     $this->_setMval( $this->requeststatus, $input, $params, FALSE, $index );
     return TRUE;
   }
@@ -3317,21 +3745,26 @@ 
  * @return string
  */
   function createResources() {
-    if( empty( $this->resources )) return FALSE;
+    if( empty( $this->resources )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->resources as $resource ) {
       if( empty( $resource['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RESOURCES' );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( 'RESOURCES' );
+        }
         continue;
       }
       $attributes  = $this->_createParams( $resource['params'], array( 'ALTREP', 'LANGUAGE' ));
       if( is_array( $resource['value'] )) {
-        foreach( $resource['value'] as $rix => $resourcePart )
-          $resource['value'][$rix] = $this->_strrep( $resourcePart );
+        foreach( $resource['value'] as $rix => $resourcePart ) {
+                  $resource['value'][$rix] = $this->_strrep( $resourcePart );
+        }
         $content   = implode( ',', $resource['value'] );
+      } else {
+              $content   = $this->_strrep( $resource['value'] );
       }
-      else
-        $content   = $this->_strrep( $resource['value'] );
       $output     .= $this->_createElement( 'RESOURCES', $attributes, $content );
     }
     return $output;
@@ -3347,7 +3780,11 @@ 
  * @return bool
  */
   function setResources( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->resources, $value, $params, FALSE, $index );
     return TRUE;
   }
@@ -3363,7 +3800,9 @@ 
  * @return string
  */
   function createRrule() {
-    if( empty( $this->rrule )) return FALSE;
+    if( empty( $this->rrule )) {
+        return FALSE;
+    }
     return $this->_format_recur( 'RRULE', $this->rrule );
   }
 /**
@@ -3377,7 +3816,11 @@ 
  * @return void
  */
   function setRrule( $rruleset, $params=FALSE, $index=FALSE ) {
-    if( empty( $rruleset )) if( $this->getConfig( 'allowEmpty' )) $rruleset = null; else return FALSE;
+    if( empty( $rruleset )) {
+        if( $this->getConfig( 'allowEmpty' )) $rruleset = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->rrule, $this->_setRexrule( $rruleset ), $params, FALSE, $index );
     return TRUE;
   }
@@ -3392,9 +3835,12 @@ 
  * @return string
  */
   function createSequence() {
-    if( empty( $this->sequence )) return FALSE;
-    if( empty( $this->sequence['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SEQUENCE' ) : FALSE;
+    if( empty( $this->sequence )) {
+        return FALSE;
+    }
+    if( empty( $this->sequence['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SEQUENCE' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->sequence['params'] );
     return $this->_createElement( 'SEQUENCE', $attributes, $this->sequence['value'] );
   }
@@ -3407,8 +3853,9 @@ 
  * @return bool
  */
   function setSequence( $value=FALSE, $params=FALSE ) {
-    if( empty( $value ))
-      $value = ( isset( $this->sequence['value'] ) && ( 0 < $this->sequence['value'] )) ? $this->sequence['value'] + 1 : 1;
+    if( empty( $value )) {
+          $value = ( isset( $this->sequence['value'] ) && ( 0 < $this->sequence['value'] )) ? $this->sequence['value'] + 1 : 1;
+    }
     $this->sequence = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3424,9 +3871,12 @@ 
  * @return string
  */
   function createStatus() {
-    if( empty( $this->status )) return FALSE;
-    if( empty( $this->status['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'STATUS' ) : FALSE;
+    if( empty( $this->status )) {
+        return FALSE;
+    }
+    if( empty( $this->status['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'STATUS' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->status['params'] );
     return $this->_createElement( 'STATUS', $attributes, $this->status['value'] );
   }
@@ -3440,7 +3890,11 @@ 
  * @return bool
  */
   function setStatus( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->status = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3456,9 +3910,12 @@ 
  * @return string
  */
   function createSummary() {
-    if( empty( $this->summary )) return FALSE;
-    if( empty( $this->summary['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SUMMARY' ) : FALSE;
+    if( empty( $this->summary )) {
+        return FALSE;
+    }
+    if( empty( $this->summary['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SUMMARY' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->summary['params'], array( 'ALTREP', 'LANGUAGE' ));
     $content    = $this->_strrep( $this->summary['value'] );
     return $this->_createElement( 'SUMMARY', $attributes, $content );
@@ -3473,7 +3930,11 @@ 
  * @return bool
  */
   function setSummary( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->summary = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3489,9 +3950,12 @@ 
  * @return string
  */
   function createTransp() {
-    if( empty( $this->transp )) return FALSE;
-    if( empty( $this->transp['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRANSP' ) : FALSE;
+    if( empty( $this->transp )) {
+        return FALSE;
+    }
+    if( empty( $this->transp['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRANSP' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->transp['params'] );
     return $this->_createElement( 'TRANSP', $attributes, $this->transp['value'] );
   }
@@ -3505,7 +3969,11 @@ 
  * @return bool
  */
   function setTransp( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->transp = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3521,19 +3989,24 @@ 
  * @return string
  */
   function createTrigger() {
-    if( empty( $this->trigger )) return FALSE;
-    if( empty( $this->trigger['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRIGGER' ) : FALSE;
+    if( empty( $this->trigger )) {
+        return FALSE;
+    }
+    if( empty( $this->trigger['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRIGGER' ) : FALSE;
+    }
     $content = $attributes = null;
     if( isset( $this->trigger['value']['year'] )   &&
         isset( $this->trigger['value']['month'] )  &&
-        isset( $this->trigger['value']['day'] ))
-      $content      .= $this->_format_date_time( $this->trigger['value'] );
-    else {
-      if( TRUE !== $this->trigger['value']['relatedStart'] )
-        $attributes .= $this->intAttrDelimiter.'RELATED=END';
-      if( $this->trigger['value']['before'] )
-        $content    .= '-';
+        isset( $this->trigger['value']['day'] )) {
+          $content      .= $this->_format_date_time( $this->trigger['value'] );
+    } else {
+      if( TRUE !== $this->trigger['value']['relatedStart'] ) {
+              $attributes .= $this->intAttrDelimiter.'RELATED=END';
+      }
+      if( $this->trigger['value']['before'] ) {
+              $content    .= '-';
+      }
       $content      .= $this->_format_duration( $this->trigger['value'] );
     }
     $attributes     .= $this->_createParams( $this->trigger['params'] );
@@ -3557,28 +4030,30 @@ 
  * @return bool
  */
   function setTrigger( $year, $month=null, $day=null, $week=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $relatedStart=TRUE, $before=TRUE, $params=FALSE ) {
-    if( empty( $year ) && empty( $month ) && empty( $day ) && empty( $week ) && empty( $hour ) && empty( $min ) && empty( $sec ))
-      if( $this->getConfig( 'allowEmpty' )) {
+    if( empty( $year ) && empty( $month ) && empty( $day ) && empty( $week ) && empty( $hour ) && empty( $min ) && empty( $sec )) {
+          if( $this->getConfig( 'allowEmpty' )) {
         $this->trigger = array( 'value' => null, 'params' => $this->_setParams( $params ) );
+    }
         return TRUE;
+      } else {
+              return FALSE;
       }
-      else
-        return FALSE;
     if( $this->_isArrayTimestampDate( $year )) { // timestamp
       $params = $this->_setParams( $month );
       $date   = $this->_timestamp2date( $year, 7 );
-      foreach( $date as $k => $v )
-        $$k = $v;
-    }
-    elseif( is_array( $year ) && ( is_array( $month ) || empty( $month ))) {
+      foreach( $date as $k => $v ) {
+              $$k = $v;
+      }
+    } elseif( is_array( $year ) && ( is_array( $month ) || empty( $month ))) {
       $params = $this->_setParams( $month );
       if(!(array_key_exists( 'year',  $year ) &&   // exclude date-time
            array_key_exists( 'month', $year ) &&
            array_key_exists( 'day',   $year ))) {  // so this must be a duration
-        if( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] ))
-          $relatedStart = FALSE;
-        else
-          $relatedStart = ( array_key_exists( 'relatedStart', $year ) && ( TRUE !== $year['relatedStart'] )) ? FALSE : TRUE;
+        if( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] )) {
+                  $relatedStart = FALSE;
+        } else {
+                  $relatedStart = ( array_key_exists( 'relatedStart', $year ) && ( TRUE !== $year['relatedStart'] )) ? FALSE : TRUE;
+        }
         $before         = ( array_key_exists( 'before', $year )       && ( TRUE !== $year['before'] ))       ? FALSE : TRUE;
       }
       $SSYY  = ( array_key_exists( 'year',  $year )) ? $year['year']  : null;
@@ -3589,24 +4064,27 @@ 
       $min   = ( array_key_exists( 'min',   $year )) ? $year['min']   : 0; //null;
       $sec   = ( array_key_exists( 'sec',   $year )) ? $year['sec']   : 0; //null;
       $year  = $SSYY;
-    }
-    elseif(is_string( $year ) && ( is_array( $month ) || empty( $month ))) {  // duration or date in a string
+    } elseif(is_string( $year ) && ( is_array( $month ) || empty( $month ))) {  // duration or date in a string
       $params = $this->_setParams( $month );
       if( in_array( $year{0}, array( 'P', '+', '-' ))) { // duration
         $relatedStart = ( isset( $params['RELATED'] ) && ( 'END' == $params['RELATED'] )) ? FALSE : TRUE;
         $before       = ( '-'  == $year{0} ) ? TRUE : FALSE;
-        if(     'P'  != $year{0} )
-          $year       = substr( $year, 1 );
+        if(     'P'  != $year{0} ) {
+                  $year       = substr( $year, 1 );
+        }
         $date         = $this->_duration_string( $year);
-      }
-      else   // date
+      } else {
+          // date
         $date    = $this->_date_time_string( $year, 7 );
+      }
       unset( $year, $month, $day );
-      foreach( $date as $k => $v )
-        $$k = $v;
-    }
-    else // single values in function input parameters
+      foreach( $date as $k => $v ) {
+              $$k = $v;
+      }
+    } else {
+        // single values in function input parameters
       $params = $this->_setParams( $params );
+    }
     if( !empty( $year ) && !empty( $month ) && !empty( $day )) { // date
       $params['VALUE'] = 'DATE-TIME';
       $hour = ( $hour ) ? $hour : 0;
@@ -3621,8 +4099,7 @@ 
                                      , 'sec'   => $sec
                                      , 'tz'    => 'Z' );
       return TRUE;
-    }
-    elseif(( empty( $year ) && empty( $month )) &&    // duration
+    } elseif(( empty( $year ) && empty( $month )) &&    // duration
            (!empty( $week ) || !empty( $day ) || !empty( $hour ) || !empty( $min ) || !empty( $sec ))) {
       unset( $params['RELATED'] ); // set at output creation (END only)
       unset( $params['VALUE'] );   // 'DURATION' default
@@ -3631,11 +4108,21 @@ 
       $before       = ( FALSE !== $before )       ? TRUE : FALSE;
       $this->trigger['value']  = array( 'relatedStart' => $relatedStart
                                       , 'before'       => $before );
-      if( !empty( $week )) $this->trigger['value']['week'] = $week;
-      if( !empty( $day  )) $this->trigger['value']['day']  = $day;
-      if( !empty( $hour )) $this->trigger['value']['hour'] = $hour;
-      if( !empty( $min  )) $this->trigger['value']['min']  = $min;
-      if( !empty( $sec  )) $this->trigger['value']['sec']  = $sec;
+      if( !empty( $week )) {
+          $this->trigger['value']['week'] = $week;
+      }
+      if( !empty( $day  )) {
+          $this->trigger['value']['day']  = $day;
+      }
+      if( !empty( $hour )) {
+          $this->trigger['value']['hour'] = $hour;
+      }
+      if( !empty( $min  )) {
+          $this->trigger['value']['min']  = $min;
+      }
+      if( !empty( $sec  )) {
+          $this->trigger['value']['sec']  = $sec;
+      }
       return TRUE;
     }
     return FALSE;
@@ -3652,9 +4139,12 @@ 
  * @return string
  */
   function createTzid() {
-    if( empty( $this->tzid )) return FALSE;
-    if( empty( $this->tzid['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZID' ) : FALSE;
+    if( empty( $this->tzid )) {
+        return FALSE;
+    }
+    if( empty( $this->tzid['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZID' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->tzid['params'] );
     return $this->_createElement( 'TZID', $attributes, $this->_strrep( $this->tzid['value'] ));
   }
@@ -3668,7 +4158,11 @@ 
  * @return bool
  */
   function setTzid( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->tzid = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3685,14 +4179,17 @@ 
  * @return string
  */
   function createTzname() {
-    if( empty( $this->tzname )) return FALSE;
+    if( empty( $this->tzname )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->tzname as $theName ) {
       if( !empty( $theName['value'] )) {
         $attributes = $this->_createParams( $theName['params'], array( 'LANGUAGE' ));
         $output    .= $this->_createElement( 'TZNAME', $attributes, $this->_strrep( $theName['value'] ));
+      } elseif( $this->getConfig( 'allowEmpty' )) {
+          $output .= $this->_createElement( 'TZNAME' );
       }
-      elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'TZNAME' );
     }
     return $output;
   }
@@ -3707,7 +4204,11 @@ 
  * @return bool
  */
   function setTzname( $value, $params=FALSE, $index=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->_setMval( $this->tzname, $value, $params, FALSE, $index );
     return TRUE;
   }
@@ -3723,9 +4224,12 @@ 
  * @return string
  */
   function createTzoffsetfrom() {
-    if( empty( $this->tzoffsetfrom )) return FALSE;
-    if( empty( $this->tzoffsetfrom['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETFROM' ) : FALSE;
+    if( empty( $this->tzoffsetfrom )) {
+        return FALSE;
+    }
+    if( empty( $this->tzoffsetfrom['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETFROM' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->tzoffsetfrom['params'] );
     return $this->_createElement( 'TZOFFSETFROM', $attributes, $this->tzoffsetfrom['value'] );
   }
@@ -3739,7 +4243,11 @@ 
  * @return bool
  */
   function setTzoffsetfrom( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->tzoffsetfrom = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3755,9 +4263,12 @@ 
  * @return string
  */
   function createTzoffsetto() {
-    if( empty( $this->tzoffsetto )) return FALSE;
-    if( empty( $this->tzoffsetto['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETTO' ) : FALSE;
+    if( empty( $this->tzoffsetto )) {
+        return FALSE;
+    }
+    if( empty( $this->tzoffsetto['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETTO' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->tzoffsetto['params'] );
     return $this->_createElement( 'TZOFFSETTO', $attributes, $this->tzoffsetto['value'] );
   }
@@ -3771,7 +4282,11 @@ 
  * @return bool
  */
   function setTzoffsetto( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->tzoffsetto = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3787,9 +4302,12 @@ 
  * @return string
  */
   function createTzurl() {
-    if( empty( $this->tzurl )) return FALSE;
-    if( empty( $this->tzurl['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZURL' ) : FALSE;
+    if( empty( $this->tzurl )) {
+        return FALSE;
+    }
+    if( empty( $this->tzurl['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZURL' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->tzurl['params'] );
     return $this->_createElement( 'TZURL', $attributes, $this->tzurl['value'] );
   }
@@ -3803,7 +4321,11 @@ 
  * @return boll
  */
   function setTzurl( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->tzurl = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3819,8 +4341,9 @@ 
  * @return string
  */
   function createUid() {
-    if( 0 >= count( $this->uid ))
-      $this->_makeuid();
+    if( 0 >= count( $this->uid )) {
+          $this->_makeuid();
+    }
     $attributes = $this->_createParams( $this->uid['params'] );
     return $this->_createElement( 'UID', $attributes, $this->uid['value'] );
   }
@@ -3839,8 +4362,9 @@ 
     $end    = strlen( $base ) - 1;
     $length = 6;
     $str    = null;
-    for( $p = 0; $p < $length; $p++ )
-      $unique .= $base{mt_rand( $start, $end )};
+    for( $p = 0; $p < $length; $p++ ) {
+          $unique .= $base{mt_rand( $start, $end )};
+    }
     $this->uid = array( 'params' => null );
     $this->uid['value']  = $date.'-'.$unique.'@'.$this->getConfig( 'unique_id' );
   }
@@ -3854,7 +4378,10 @@ 
  * @return bool
  */
   function setUid( $value, $params=FALSE ) {
-    if( empty( $value )) return FALSE; // no allowEmpty check here !!!!
+    if( empty( $value )) {
+        return FALSE;
+    }
+    // no allowEmpty check here !!!!
     $this->uid = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3870,9 +4397,12 @@ 
  * @return string
  */
   function createUrl() {
-    if( empty( $this->url )) return FALSE;
-    if( empty( $this->url['value'] ))
-      return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'URL' ) : FALSE;
+    if( empty( $this->url )) {
+        return FALSE;
+    }
+    if( empty( $this->url['value'] )) {
+          return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'URL' ) : FALSE;
+    }
     $attributes = $this->_createParams( $this->url['params'] );
     return $this->_createElement( 'URL', $attributes, $this->url['value'] );
   }
@@ -3886,7 +4416,11 @@ 
  * @return bool
  */
   function setUrl( $value, $params=FALSE ) {
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $this->url = array( 'value' => $value, 'params' => $this->_setParams( $params ));
     return TRUE;
   }
@@ -3902,21 +4436,26 @@ 
  * @return string
  */
   function createXprop() {
-    if( empty( $this->xprop )) return FALSE;
+    if( empty( $this->xprop )) {
+        return FALSE;
+    }
     $output = null;
     foreach( $this->xprop as $label => $xpropPart ) {
       if( empty( $xpropPart['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $label );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( $label );
+        }
         continue;
       }
       $attributes = $this->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
       if( is_array( $xpropPart['value'] )) {
-        foreach( $xpropPart['value'] as $pix => $theXpart )
-          $xpropPart['value'][$pix] = $this->_strrep( $theXpart );
+        foreach( $xpropPart['value'] as $pix => $theXpart ) {
+                  $xpropPart['value'][$pix] = $this->_strrep( $theXpart );
+        }
         $xpropPart['value']  = implode( ',', $xpropPart['value'] );
+      } else {
+              $xpropPart['value'] = $this->_strrep( $xpropPart['value'] );
       }
-      else
-        $xpropPart['value'] = $this->_strrep( $xpropPart['value'] );
       $output    .= $this->_createElement( $label, $attributes, $xpropPart['value'] );
     }
     return $output;
@@ -3932,12 +4471,20 @@ 
  * @return bool
  */
   function setXprop( $label, $value, $params=FALSE ) {
-    if( empty( $label )) return;
-    if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
+    if( empty( $label )) {
+        return;
+    }
+    if( empty( $value )) {
+        if( $this->getConfig( 'allowEmpty' )) $value = null;
+    } else {
+        return FALSE;
+    }
     $xprop           = array( 'value' => $value );
     $toolbox         = new calendarComponent();
     $xprop['params'] = $toolbox->_setParams( $params );
-    if( !is_array( $this->xprop )) $this->xprop = array();
+    if( !is_array( $this->xprop )) {
+        $this->xprop = array();
+    }
     $this->xprop[strtoupper( $label )] = $xprop;
     return TRUE;
   }
@@ -4005,30 +4552,29 @@ 
         $attributes  = null;
         foreach( $attributes2 as $attribute ) {
           $attrKVarr = explode( '=', $attribute );
-          if( empty( $attrKVarr[0] ))
-            continue;
+          if( empty( $attrKVarr[0] )) {
+                      continue;
+          }
           if( !isset( $attrKVarr[1] )) {
             $attrValue = $attrKVarr[0];
             $attrKey   = null;
-          }
-          elseif( 2 == count( $attrKVarr)) {
+          } elseif( 2 == count( $attrKVarr)) {
             $attrKey   = strtolower( $attrKVarr[0] );
             $attrValue = $attrKVarr[1];
-          }
-          else {
+          } else {
             $attrKey   = strtolower( $attrKVarr[0] );
             unset( $attrKVarr[0] );
             $attrValue = implode( '=', $attrKVarr );
           }
           if(( 'attach' == $label ) && ( in_array( $attrKey, array( 'fmttype', 'encoding', 'value' )))) {
             $attachInlineBinary = TRUE;
-            if( 'fmttype' == $attrKey )
-              $attachfmttype = $attrKey.'='.$attrValue;
+            if( 'fmttype' == $attrKey ) {
+                          $attachfmttype = $attrKey.'='.$attrValue;
+            }
             continue;
-          }
-          elseif(( 'categories' == $label ) && ( 'language' == $attrKey ))
-            $categoriesAttrLang = $attrKey.'='.$attrValue;
-          else {
+          } elseif(( 'categories' == $label ) && ( 'language' == $attrKey )) {
+                      $categoriesAttrLang = $attrKey.'='.$attrValue;
+          } else {
             $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
             $attributes .= ( !empty( $attrKey )) ? $attrKey.'=' : null;
             if(( '"' == substr( $attrValue, 0, 1 )) && ( '"' == substr( $attrValue, -1 ))) {
@@ -4038,8 +4584,7 @@ 
             $attributes .= '"'.htmlspecialchars( $attrValue ).'"';
           }
         }
-      }
-      else {
+      } else {
         $attributes = str_replace( $this->intAttrDelimiter, $this->attributeDelimiter, $attributes );
       }
     }
@@ -4061,8 +4606,7 @@ 
         $content = $this->_createElement( 'extref', $attributes, null );
         $attributes = null;
       }
-    }
-    elseif(( 'attach' == $label ) && $attachInlineBinary && ( 'xcal' == $this->format)) {
+    } elseif(( 'attach' == $label ) && $attachInlineBinary && ( 'xcal' == $this->format)) {
       $content = $this->nl.$this->_createElement( 'b64bin', $attachfmttype, $content ); // max one attribute
     }
     $output .= $attributes;
@@ -4106,30 +4650,30 @@ 
     $CNattrExist = $LANGattrExist = FALSE;
     if( is_array( $params )) {
       foreach( $params as $paramKey => $paramValue ) {
-        if( is_int( $paramKey ))
-          $attr2            .= $this->intAttrDelimiter.$paramValue;
-        elseif(( 'LANGUAGE' == $paramKey ) && $LANGattrKey ) {
+        if( is_int( $paramKey )) {
+                  $attr2            .= $this->intAttrDelimiter.$paramValue;
+        } elseif(( 'LANGUAGE' == $paramKey ) && $LANGattrKey ) {
           $attrLANG         .= $this->intAttrDelimiter."LANGUAGE=$paramValue";
           $LANGattrExist     = TRUE;
-        }
-        elseif(( 'CN'       == $paramKey ) && $CNattrKey ) {
+        } elseif(( 'CN'       == $paramKey ) && $CNattrKey ) {
           $attr1             = $this->intAttrDelimiter.'CN="'.$paramValue.'"';
           $CNattrExist       = TRUE;
+        } elseif(( 'ALTREP'   == $paramKey ) && in_array( $paramKey, $ctrKeys )) {
+                  $attr2            .= $this->intAttrDelimiter.'ALTREP="'.$paramValue.'"';
+        } elseif(( 'DIR'      == $paramKey ) && in_array( $paramKey, $ctrKeys )) {
+                  $attr2            .= $this->intAttrDelimiter.'DIR="'.$paramValue.'"';
+        } elseif(( 'SENT-BY'  == $paramKey ) && in_array( $paramKey, $ctrKeys )) {
+                  $attr2            .= $this->intAttrDelimiter.'SENT-BY="MAILTO:'.$paramValue.'"';
+        } else {
+                  $attr2            .= $this->intAttrDelimiter."$paramKey=$paramValue";
         }
-        elseif(( 'ALTREP'   == $paramKey ) && in_array( $paramKey, $ctrKeys ))
-          $attr2            .= $this->intAttrDelimiter.'ALTREP="'.$paramValue.'"';
-        elseif(( 'DIR'      == $paramKey ) && in_array( $paramKey, $ctrKeys ))
-          $attr2            .= $this->intAttrDelimiter.'DIR="'.$paramValue.'"';
-        elseif(( 'SENT-BY'  == $paramKey ) && in_array( $paramKey, $ctrKeys ))
-          $attr2            .= $this->intAttrDelimiter.'SENT-BY="MAILTO:'.$paramValue.'"';
-        else
-          $attr2            .= $this->intAttrDelimiter."$paramKey=$paramValue";
       }
     }
     if( !$LANGattrExist ) {
       $lang = $this->getConfig( 'language' );
-      if(( $CNattrExist || $LANGattrKey ) && $lang )
-        $attrLANG .= $this->intAttrDelimiter.'LANGUAGE='.$lang;
+      if(( $CNattrExist || $LANGattrKey ) && $lang ) {
+              $attrLANG .= $this->intAttrDelimiter.'LANGUAGE='.$lang;
+      }
     }
     return $attrLANG.$attr1.$attr2;
   }
@@ -4143,47 +4687,57 @@ 
  * @return array $params, property parameters
  */
   function _chkdatecfg( $theDate, & $parno, & $params ) {
-    if( isset( $params['TZID'] ))
-      $parno = 6;
-    elseif( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] ))
-      $parno = 3;
-    else {
-      if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] ))
-        $parno = 7;
+    if( isset( $params['TZID'] )) {
+          $parno = 6;
+    } elseif( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] )) {
+          $parno = 3;
+    } else {
+      if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] )) {
+              $parno = 7;
+      }
       if( is_array( $theDate )) {
-        if( isset( $theDate['timestamp'] ))
-          $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null;
-        else
-          $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null;
+        if( isset( $theDate['timestamp'] )) {
+                  $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null;
+        } else {
+                  $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null;
+        }
         if( !empty( $tzid )) {
           $parno = 7;
-          if( !$this->_isOffset( $tzid ))
-            $params['TZID'] = $tzid; // save only timezone
+          if( !$this->_isOffset( $tzid )) {
+                      $params['TZID'] = $tzid;
+          }
+          // save only timezone
+        } elseif( !$parno && ( 3 == count( $theDate )) && 
+          ( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] ))) {
+                  $parno = 3;
+        } else {
+                  $parno = 6;
         }
-        elseif( !$parno && ( 3 == count( $theDate )) && 
-          ( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] )))
-          $parno = 3;
-        else
-          $parno = 6;
-      }
-      else { // string
+      } else { // string
         $date = trim( $theDate );
-        if( 'Z' == substr( $date, -1 ))
-          $parno = 7; // UTC DATE-TIME
+        if( 'Z' == substr( $date, -1 )) {
+                  $parno = 7;
+        }
+        // UTC DATE-TIME
         elseif((( 8 == strlen( $date ) && ctype_digit( $date )) || ( 11 >= strlen( $date ))) && 
-          ( !isset( $params['VALUE'] ) || !in_array( $params['VALUE'], array( 'DATE-TIME', 'PERIOD' ))))
-          $parno = 3; // DATE
+          ( !isset( $params['VALUE'] ) || !in_array( $params['VALUE'], array( 'DATE-TIME', 'PERIOD' )))) {
+                  $parno = 3;
+        }
+        // DATE
         $date = $this->_date_time_string( $date, $parno );
         if( !empty( $date['tz'] )) {
           $parno = 7;
-          if( !$this->_isOffset( $date['tz'] ))
-            $params['TZID'] = $date['tz']; // save only timezone
+          if( !$this->_isOffset( $date['tz'] )) {
+                      $params['TZID'] = $date['tz'];
+          }
+          // save only timezone
+        } elseif( empty( $parno )) {
+                  $parno = 6;
         }
-        elseif( empty( $parno ))
-          $parno = 6;
       }
-      if( isset( $params['TZID'] ))
-        $parno = 6;
+      if( isset( $params['TZID'] )) {
+              $parno = 6;
+      }
     }
   }
 /**
@@ -4199,14 +4753,18 @@ 
  */
   function _date2duration( $startdate=FALSE, $enddate=FALSE ) {
     if( !$startdate || !$enddate ) {
-      if(   FALSE === ( $startdate = $this->getProperty( 'dtstart' )))
-        return null;
-      if(   FALSE === ( $enddate   = $this->getProperty( 'dtend' )))    // vevent/vfreebusy
+      if(   FALSE === ( $startdate = $this->getProperty( 'dtstart' ))) {
+              return null;
+      }
+      if(   FALSE === ( $enddate   = $this->getProperty( 'dtend' ))) {
+          // vevent/vfreebusy
         if( FALSE === ( $enddate   = $this->getProperty( 'due' )))      // vtodo
           return null;
+      }
+    }
+    if( !$startdate || !$enddate ) {
+          return null;
     }
-    if( !$startdate || !$enddate )
-      return null;
     $startWdate  = mktime( 0, 0, 0, $startdate['month'], $startdate['day'], $startdate['year'] );
     $endWdate    = mktime( 0, 0, 0, $enddate['month'],   $enddate['day'],   $enddate['year'] );
     $wduration   = $endWdate - $startWdate;
@@ -4232,15 +4790,23 @@ 
  */
   function _date2timestamp( $datetime, $tz=null ) {
     $output = null;
-    if( !isset( $datetime['hour'] )) $datetime['hour'] = '0';
-    if( !isset( $datetime['min'] ))  $datetime['min']  = '0';
-    if( !isset( $datetime['sec'] ))  $datetime['sec']  = '0';
+    if( !isset( $datetime['hour'] )) {
+        $datetime['hour'] = '0';
+    }
+    if( !isset( $datetime['min'] )) {
+        $datetime['min']  = '0';
+    }
+    if( !isset( $datetime['sec'] )) {
+        $datetime['sec']  = '0';
+    }
     foreach( $datetime as $dkey => $dvalue ) {
-      if( 'tz' != $dkey )
-        $datetime[$dkey] = (integer) $dvalue;
+      if( 'tz' != $dkey ) {
+              $datetime[$dkey] = (integer) $dvalue;
+      }
+    }
+    if( $tz ) {
+          $datetime['tz'] = $tz;
     }
-    if( $tz )
-      $datetime['tz'] = $tz;
     $offset = ( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) ? $this->_tz2offset( $datetime['tz'] ) : 0;
     $output = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year'] );
     return $output;
@@ -4275,12 +4841,15 @@ 
       }
     }
     if( 3 != $parno ) {
-      if( !isset( $output['hour'] ))
-        $output['hour'] = 0;
-      if( !isset( $output['min']  ))
-        $output['min'] = 0;
-      if( !isset( $output['sec']  ))
-        $output['sec'] = 0;
+      if( !isset( $output['hour'] )) {
+              $output['hour'] = 0;
+      }
+      if( !isset( $output['min']  )) {
+              $output['min'] = 0;
+      }
+      if( !isset( $output['sec']  )) {
+              $output['sec'] = 0;
+      }
     }
     return $output;
   }
@@ -4300,39 +4869,37 @@ 
     if( 'Z' == substr( $datetime, -1 )) {
       $tz = 'Z';
       $datetime = trim( substr( $datetime, 0, $len ));
-    }
-    elseif( ( ctype_digit( substr( $datetime, -2, 2 ))) && // time or date
+    } elseif( ( ctype_digit( substr( $datetime, -2, 2 ))) && // time or date
                   ( '-' == substr( $datetime, -3, 1 )) ||
                   ( ':' == substr( $datetime, -3, 1 )) ||
                   ( '.' == substr( $datetime, -3, 1 ))) {
       $continue = TRUE;
-    }
-    elseif( ( ctype_digit( substr( $datetime, -4, 4 ))) && // 4 pos offset
+    } elseif( ( ctype_digit( substr( $datetime, -4, 4 ))) && // 4 pos offset
             ( ' +' == substr( $datetime, -6, 2 )) ||
             ( ' -' == substr( $datetime, -6, 2 ))) {
       $tz = substr( $datetime, -5, 5 );
       $datetime = substr( $datetime, 0, ($len - 5));
-    }
-    elseif( ( ctype_digit( substr( $datetime, -6, 6 ))) && // 6 pos offset
+    } elseif( ( ctype_digit( substr( $datetime, -6, 6 ))) && // 6 pos offset
             ( ' +' == substr( $datetime, -8, 2 )) ||
             ( ' -' == substr( $datetime, -8, 2 ))) {
       $tz = substr( $datetime, -7, 7 );
       $datetime = substr( $datetime, 0, ($len - 7));
-    }
-    elseif( ( 6 < $len ) && ( ctype_digit( substr( $datetime, -6, 6 )))) {
+    } elseif( ( 6 < $len ) && ( ctype_digit( substr( $datetime, -6, 6 )))) {
       $continue = TRUE;
-    }
-    elseif( 'T' ==  substr( $datetime, -7, 1 )) {
+    } elseif( 'T' ==  substr( $datetime, -7, 1 )) {
       $continue = TRUE;
-    }
-    else {
+    } else {
       $cx  = $tx = 0;    //  19970415T133000 US-Eastern
       for( $cx = -1; $cx > ( 9 - $len ); $cx-- ) {
-        if(( ' ' == substr( $datetime, $cx, 1 )) || ctype_digit( substr( $datetime, $cx, 1 )))
-          break; // if exists, tz ends here.. . ?
+        if(( ' ' == substr( $datetime, $cx, 1 )) || ctype_digit( substr( $datetime, $cx, 1 ))) {
+                  break;
+        }
+        // if exists, tz ends here.. . ?
         elseif( ctype_alpha( substr( $datetime, $cx, 1 )) ||
-             ( in_array( substr( $datetime, $cx, 1 ), array( '-', '/' ))))
-          $tx--; // tz length counter
+             ( in_array( substr( $datetime, $cx, 1 ), array( '-', '/' )))) {
+                  $tx--;
+        }
+        // tz length counter
       }
       if( 0 > $tx ) {
         $tz = substr( $datetime, $tx );
@@ -4341,8 +4908,7 @@ 
     }
     if( 0 < substr_count( $datetime, '-' )) {
       $datetime = str_replace( '-', '/', $datetime );
-    }
-    elseif( ctype_digit( substr( $datetime, 0, 8 )) &&
+    } elseif( ctype_digit( substr( $datetime, 0, 8 )) &&
            ( 'T' ==      substr( $datetime, 8, 1 )) &&
             ctype_digit( substr( $datetime, 9, 6 ))) {
       $datetime = substr( $datetime,  4, 2 )
@@ -4362,10 +4928,10 @@ 
       $output['hour']  = substr( $datestring, 11, 2 );
       $output['min']   = substr( $datestring, 14, 2 );
       $output['sec']   = substr( $datestring, 17, 2 );
-      if( !empty( $tz ))
-        $output['tz']  = $tz;
-    }
-    elseif( 3 != $parno ) {
+      if( !empty( $tz )) {
+              $output['tz']  = $tz;
+      }
+    } elseif( 3 != $parno ) {
       if(( '00' < substr( $datestring, 11, 2 )) ||
          ( '00' < substr( $datestring, 14, 2 )) ||
          ( '00' < substr( $datestring, 17, 2 ))) {
@@ -4373,8 +4939,9 @@ 
         $output['min']   = substr( $datestring, 14, 2 );
         $output['sec']   = substr( $datestring, 17, 2 );
       }
-      if( !empty( $tz ))
-        $output['tz']  = $tz;
+      if( !empty( $tz )) {
+              $output['tz']  = $tz;
+      }
     }
     return $output;
   }
@@ -4401,10 +4968,11 @@ 
       $durseconds  =           $durseconds % ( 60 * 60 );
       $output['min']  = floor( $durseconds / ( 60 ));
       $output['sec']  =      ( $durseconds % ( 60 ));
-    }
-    else {
+    } else {
       foreach( $duration as $durKey => $durValue ) {
-        if( empty( $durValue )) continue;
+        if( empty( $durValue )) {
+            continue;
+        }
         switch ( $durKey ) {
           case '0': case 'week': $output['week']  = $durValue; break;
           case '1': case 'day':  $output['day']   = $durValue; break;
@@ -4419,14 +4987,22 @@ 
       return $output;
     }
     unset( $output['week'] );
-    if( empty( $output['day'] ))
-      unset( $output['day'] );
+    if( empty( $output['day'] )) {
+          unset( $output['day'] );
+    }
     if ( isset( $output['hour'] ) || isset( $output['min'] ) || isset( $output['sec'] )) {
-      if( !isset( $output['hour'] )) $output['hour'] = 0;
-      if( !isset( $output['min']  )) $output['min']  = 0;
-      if( !isset( $output['sec']  )) $output['sec']  = 0;
-      if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] ))
-        unset( $output['hour'], $output['min'], $output['sec'] );
+      if( !isset( $output['hour'] )) {
+          $output['hour'] = 0;
+      }
+      if( !isset( $output['min']  )) {
+          $output['min']  = 0;
+      }
+      if( !isset( $output['sec']  )) {
+          $output['sec']  = 0;
+      }
+      if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] )) {
+              unset( $output['hour'], $output['min'], $output['sec'] );
+      }
     }
     return $output;
   }
@@ -4443,28 +5019,32 @@ 
     if( $startdate && $duration ) {
       $d1               = $startdate;
       $dur              = $duration;
-    }
-    elseif( isset( $this->dtstart['value'] ) && isset( $this->duration['value'] )) {
+    } elseif( isset( $this->dtstart['value'] ) && isset( $this->duration['value'] )) {
       $d1               = $this->dtstart['value'];
       $dur              = $this->duration['value'];
+    } else {
+          return null;
     }
-    else
-      return null;
     $dateOnly         = ( isset( $d1['hour'] ) || isset( $d1['min'] ) || isset( $d1['sec'] )) ? FALSE : TRUE;
     $d1['hour']       = ( isset( $d1['hour'] )) ? $d1['hour'] : 0;
     $d1['min']        = ( isset( $d1['min'] ))  ? $d1['min']  : 0;
     $d1['sec']        = ( isset( $d1['sec'] ))  ? $d1['sec']  : 0;
     $dtend = mktime( $d1['hour'], $d1['min'], $d1['sec'], $d1['month'], $d1['day'], $d1['year'] );
-    if( isset( $dur['week'] ))
-      $dtend += ( $dur['week'] * 7 * 24 * 60 * 60 );
-    if( isset( $dur['day'] ))
-      $dtend += ( $dur['day'] * 24 * 60 * 60 );
-    if( isset( $dur['hour'] ))
-      $dtend += ( $dur['hour'] * 60 *60 );
-    if( isset( $dur['min'] ))
-      $dtend += ( $dur['min'] * 60 );
-    if( isset( $dur['sec'] ))
-      $dtend +=   $dur['sec'];
+    if( isset( $dur['week'] )) {
+          $dtend += ( $dur['week'] * 7 * 24 * 60 * 60 );
+    }
+    if( isset( $dur['day'] )) {
+          $dtend += ( $dur['day'] * 24 * 60 * 60 );
+    }
+    if( isset( $dur['hour'] )) {
+          $dtend += ( $dur['hour'] * 60 *60 );
+    }
+    if( isset( $dur['min'] )) {
+          $dtend += ( $dur['min'] * 60 );
+    }
+    if( isset( $dur['sec'] )) {
+          $dtend +=   $dur['sec'];
+    }
     $dtend2 = array();
     $dtend2['year']   = date('Y', $dtend );
     $dtend2['month']  = date('m', $dtend );
@@ -4472,10 +5052,12 @@ 
     $dtend2['hour']   = date('H', $dtend );
     $dtend2['min']    = date('i', $dtend );
     $dtend2['sec']    = date('s', $dtend );
-    if( isset( $d1['tz'] ))
-      $dtend2['tz']   = $d1['tz'];
-    if( $dateOnly && (( 0 == $dtend2['hour'] ) && ( 0 == $dtend2['min'] ) && ( 0 == $dtend2['sec'] )))
-      unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] );
+    if( isset( $d1['tz'] )) {
+          $dtend2['tz']   = $d1['tz'];
+    }
+    if( $dateOnly && (( 0 == $dtend2['hour'] ) && ( 0 == $dtend2['min'] ) && ( 0 == $dtend2['sec'] ))) {
+          unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] );
+    }
     return $dtend2;
   }
 /**
@@ -4489,10 +5071,12 @@ 
   function _duration_string( $duration ) {
    $duration = (string) trim( $duration );
    while( 'P' != strtoupper( substr( $duration, 0, 1 ))) {
-     if( 0 < strlen( $duration ))
-       $duration = substr( $duration, 1 );
-     else
-       return false; // no leading P !?!?
+     if( 0 < strlen( $duration )) {
+            $duration = substr( $duration, 1 );
+     } else {
+            return false;
+     }
+     // no leading P !?!?
    }
    $duration = substr( $duration, 1 ); // skip P
    $duration = str_replace ( 't', 'T', $duration );
@@ -4522,10 +5106,13 @@ 
         $val            = null;
         break;
       default:
-        if( !ctype_digit( $duration{$ix} ))
-          return false; // unknown duration controll character  !?!?
-        else
-          $val .= $duration{$ix};
+        if( !ctype_digit( $duration{$ix} )) {
+                  return false;
+        }
+        // unknown duration controll character  !?!?
+        else {
+                  $val .= $duration{$ix};
+        }
      }
    }
    return $this->_duration_array( $output );
@@ -4544,10 +5131,12 @@ 
  * @return int
  */
   function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) {
-    if( $preSet )
-      return $preSet;
-    if( !is_array( $array ) || ( 0 == count( $array )))
-      return $elseVal;
+    if( $preSet ) {
+          return $preSet;
+    }
+    if( !is_array( $array ) || ( 0 == count( $array ))) {
+          return $elseVal;
+    }
     foreach( $array as $key => $value ) {
       if( strtoupper( $expkey ) == strtoupper( $key )) {
         if( !$expval || ( strtoupper( $expval ) == strtoupper( $array[$key] ))) {
@@ -4573,13 +5162,15 @@ 
         !isset( $datetime['day'] )   &&
         !isset( $datetime['hour'] )  &&
         !isset( $datetime['min'] )   &&
-        !isset( $datetime['sec'] ))
-      return ;
+        !isset( $datetime['sec'] )) {
+          return ;
+    }
     $output = null;
     // if( !isset( $datetime['day'] )) { $o=''; foreach($datetime as $k=>$v) {if(is_array($v)) $v=implode('-',$v);$o.=" $k=>$v";} echo " day SAKNAS : $o <br />\n"; }
     foreach( $datetime as $dkey => $dvalue ) {
-      if( 'tz' != $dkey )
-        $datetime[$dkey] = (integer) $dvalue;
+      if( 'tz' != $dkey ) {
+              $datetime[$dkey] = (integer) $dvalue;
+      }
     }
     $output = date('Ymd', mktime( 0, 0, 0, $datetime['month'], $datetime['day'], $datetime['year']));
     if( isset( $datetime['hour'] )  ||
@@ -4587,29 +5178,33 @@ 
         isset( $datetime['sec'] )   ||
         isset( $datetime['tz'] )) {
       if( isset( $datetime['tz'] )  &&
-         !isset( $datetime['hour'] ))
-        $datetime['hour'] = 0;
+         !isset( $datetime['hour'] )) {
+              $datetime['hour'] = 0;
+      }
       if( isset( $datetime['hour'] )  &&
-         !isset( $datetime['min'] ))
-        $datetime['min'] = 0;
+         !isset( $datetime['min'] )) {
+              $datetime['min'] = 0;
+      }
       if( isset( $datetime['hour'] )  &&
           isset( $datetime['min'] )   &&
-         !isset( $datetime['sec'] ))
-        $datetime['sec'] = 0;
+         !isset( $datetime['sec'] )) {
+              $datetime['sec'] = 0;
+      }
       $date = mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year']);
       $output .= date('\THis', $date );
       if( isset( $datetime['tz'] ) && ( '' < trim ( $datetime['tz'] ))) {
         $datetime['tz'] = trim( $datetime['tz'] );
-        if( 'Z' == $datetime['tz'] )
-          $output .= 'Z';
+        if( 'Z' == $datetime['tz'] ) {
+                  $output .= 'Z';
+        }
         $offset = $this->_tz2offset( $datetime['tz'] );
         if( 0 != $offset ) {
           $date = mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] + $offset), $datetime['month'], $datetime['day'], $datetime['year']);
           $output    = date( 'Ymd\THis\Z', $date );
         }
+      } elseif( 7 == $parno ) {
+              $output .= 'Z';
       }
-      elseif( 7 == $parno )
-        $output .= 'Z';
     }
     return $output;
   }
@@ -4626,14 +5221,16 @@ 
         !isset( $duration['day'] )  &&
         !isset( $duration['hour'] ) &&
         !isset( $duration['min'] )  &&
-        !isset( $duration['sec'] ))
-      return;
+        !isset( $duration['sec'] )) {
+          return;
+    }
     $output = 'P';
-    if( isset( $duration['week'] ) && ( 0 < $duration['week'] ))
-      $output   .= $duration['week'].'W';
-    else {
-      if( isset($duration['day'] ) && ( 0 < $duration['day'] ))
-        $output .= $duration['day'].'D';
+    if( isset( $duration['week'] ) && ( 0 < $duration['week'] )) {
+          $output   .= $duration['week'].'W';
+    } else {
+      if( isset($duration['day'] ) && ( 0 < $duration['day'] )) {
+              $output .= $duration['day'].'D';
+      }
       if(( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ||
          ( isset( $duration['min'])  && ( 0 < $duration['min'] ))  ||
          ( isset( $duration['sec'])  && ( 0 < $duration['sec'] ))) {
@@ -4658,7 +5255,9 @@ 
     $output = null;
     foreach( $recurdata as $therule ) {
       if( empty( $therule['value'] )) {
-        if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $recurlabel );
+        if( $this->getConfig( 'allowEmpty' )) {
+            $output .= $this->_createElement( $recurlabel );
+        }
         continue;
       }
       $attributes = ( isset( $therule['params'] )) ? $this->_createParams( $therule['params'] ) : null;
@@ -4694,9 +5293,9 @@ 
                 $content2 .= ( $vix ) ? ',' : null;
                 $content2 .= $valuePart;
               }
+            } else {
+                         $content2 .= $rulevalue;
             }
-            else
-             $content2 .= $rulevalue;
             break;
           }
           case 'BYDAY': {
@@ -4707,19 +5306,19 @@ 
               if( is_array( $valuePart )) {
                 $content2 .= ( $bydaycnt ) ? ',' : null;
                 foreach( $valuePart as $vix2 => $valuePart2 ) {
-                  if( 'DAY' != strtoupper( $vix2 ))
-                      $content21 .= $valuePart2;
-                  else
-                    $content22 .= $valuePart2;
+                  if( 'DAY' != strtoupper( $vix2 )) {
+                                        $content21 .= $valuePart2;
+                  } else {
+                                      $content22 .= $valuePart2;
+                  }
                 }
                 $content2 .= $content21.$content22;
                 $bydaycnt++;
-              }
-              else {
+              } else {
                 $content2 .= ( $bydaycnt ) ? ',' : null;
-                if( 'DAY' != strtoupper( $vix ))
-                    $content21 .= $valuePart;
-                else {
+                if( 'DAY' != strtoupper( $vix )) {
+                                    $content21 .= $valuePart;
+                } else {
                   $content22 .= $valuePart;
                   $bydaycnt++;
                 }
@@ -4765,24 +5364,32 @@ 
  * @return bool
  */
   function _isArrayDate( $input ) {
-    if( isset( $input['week'] ) || ( !in_array( count( $input ), array( 3, 6, 7 ))))
-      return FALSE;
-    if( 7 == count( $input ))
-      return TRUE;
-    if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] ))
-      return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
-    if( isset( $input['day'] ) || isset( $input['hour'] ) || isset( $input['min'] ) || isset( $input['sec'] ))
-      return FALSE;
-    if( in_array( 0, $input ))
-      return FALSE;
-    if(( 1970 > $input[0] ) || ( 12 < $input[1] ) || ( 31 < $input[2] ))
-      return FALSE;
+    if( isset( $input['week'] ) || ( !in_array( count( $input ), array( 3, 6, 7 )))) {
+          return FALSE;
+    }
+    if( 7 == count( $input )) {
+          return TRUE;
+    }
+    if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] )) {
+          return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
+    }
+    if( isset( $input['day'] ) || isset( $input['hour'] ) || isset( $input['min'] ) || isset( $input['sec'] )) {
+          return FALSE;
+    }
+    if( in_array( 0, $input )) {
+          return FALSE;
+    }
+    if(( 1970 > $input[0] ) || ( 12 < $input[1] ) || ( 31 < $input[2] )) {
+          return FALSE;
+    }
     if(( isset( $input[0] ) && isset( $input[1] ) && isset( $input[2] )) &&
-         checkdate( (int) $input[1], (int) $input[2], (int) $input[0] ))
-      return TRUE;
+         checkdate( (int) $input[1], (int) $input[2], (int) $input[0] )) {
+          return TRUE;
+    }
     $input = $this->_date_time_string( $input[1].'/'.$input[2].'/'.$input[0], 3 ); //  m - d - Y
-    if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] ))
-      return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
+    if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] )) {
+          return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] );
+    }
     return FALSE;
   }
 /**
@@ -4806,16 +5413,17 @@ 
  */
   function _isOffset( $input ) {
     $input         = trim( (string) $input );
-    if( 'Z' == substr( $input, -1 ))
-      return TRUE;
-    elseif((   5 <= strlen( $input )) &&
+    if( 'Z' == substr( $input, -1 )) {
+          return TRUE;
+    } elseif((   5 <= strlen( $input )) &&
        ( in_array( substr( $input, -5, 1 ), array( '+', '-' ))) &&
-       (   '0000'  < substr( $input, -4 )) && (   '9999' >= substr( $input, -4 )))
-      return TRUE;
-    elseif((    7 <= strlen( $input )) &&
+       (   '0000'  < substr( $input, -4 )) && (   '9999' >= substr( $input, -4 ))) {
+          return TRUE;
+    } elseif((    7 <= strlen( $input )) &&
        ( in_array( substr( $input, -7, 1 ), array( '+', '-' ))) &&
-       ( '000000'  < substr( $input, -6 )) && ( '999999' >= substr( $input, -6 )))
-      return TRUE;
+       ( '000000'  < substr( $input, -6 )) && ( '999999' >= substr( $input, -6 ))) {
+          return TRUE;
+    }
     return FALSE;
 
   }
@@ -4828,14 +5436,29 @@ 
  * @return bool
  */
   function _notExistProp( $propName ) {
-    if( empty( $propName )) return FALSE; // when deleting x-prop, an empty propName may be used=allowed
+    if( empty( $propName )) {
+        return FALSE;
+    }
+    // when deleting x-prop, an empty propName may be used=allowed
     $propName = strtolower( $propName );
-    if(     'last-modified'    == $propName )  { if( !isset( $this->lastmodified ))    return TRUE; }
-    elseif( 'percent-complete' == $propName )  { if( !isset( $this->percentcomplete )) return TRUE; }
-    elseif( 'recurrence-id'    == $propName )  { if( !isset( $this->recurrenceid ))    return TRUE; }
-    elseif( 'related-to'       == $propName )  { if( !isset( $this->relatedto ))       return TRUE; }
-    elseif( 'request-status'   == $propName )  { if( !isset( $this->requeststatus ))   return TRUE; }
-    elseif((       'x-' != substr($propName,0,2)) && !isset( $this->$propName ))       return TRUE;
+    if(     'last-modified'    == $propName )  { if( !isset( $this->lastmodified )) {
+        return TRUE;
+    }
+    } elseif( 'percent-complete' == $propName )  { if( !isset( $this->percentcomplete )) {
+        return TRUE;
+    }
+    } elseif( 'recurrence-id'    == $propName )  { if( !isset( $this->recurrenceid )) {
+        return TRUE;
+    }
+    } elseif( 'related-to'       == $propName )  { if( !isset( $this->relatedto )) {
+        return TRUE;
+    }
+    } elseif( 'request-status'   == $propName )  { if( !isset( $this->requeststatus )) {
+        return TRUE;
+    }
+    } elseif((       'x-' != substr($propName,0,2)) && !isset( $this->$propName )) {
+        return TRUE;
+    }
     return FALSE;
   }
 /**
@@ -4854,7 +5477,9 @@ 
  * @todo BYHOUR, BYMINUTE, BYSECOND, ev. BYSETPOS due to ambiguity, WEEKLY at year end/start
  */
   function _recur2date( & $result, $recur, $wdate, $startdate, $enddate=FALSE ) {
-    foreach( $wdate as $k => $v ) if( ctype_digit( $v )) $wdate[$k] = (int) $v;
+    foreach( $wdate as $k => $v ) {
+        if( ctype_digit( $v )) $wdate[$k] = (int) $v;
+    }
     $wdatets     = $this->_date2timestamp( $wdate );
     $startdatets = $this->_date2timestamp( $startdate );
     if( !$enddate ) {
@@ -4863,43 +5488,54 @@ 
 // echo "recur __in_ ".implode('-',$startdate)." period start ".implode('-',$wdate)." period end ".implode('-',$enddate)."<br />\n";print_r($recur);echo "<br />\n";//test###
     }
     $endDatets = $this->_date2timestamp( $enddate ); // fix break
-    if( !isset( $recur['COUNT'] ) && !isset( $recur['UNTIL'] ))
-      $recur['UNTIL'] = $enddate; // create break
+    if( !isset( $recur['COUNT'] ) && !isset( $recur['UNTIL'] )) {
+          $recur['UNTIL'] = $enddate;
+    }
+    // create break
     if( isset( $recur['UNTIL'] )) {
       $tdatets = $this->_date2timestamp( $recur['UNTIL'] );
       if( $endDatets > $tdatets ) {
         $endDatets = $tdatets; // emergency break
         $enddate   = $this->_timestamp2date( $endDatets, 6 );
+      } else {
+              $recur['UNTIL'] = $this->_timestamp2date( $endDatets, 6 );
       }
-      else
-        $recur['UNTIL'] = $this->_timestamp2date( $endDatets, 6 );
     }
     if( $wdatets > $endDatets ) {
      //echo "recur out of date ".implode('-',$this->_date_time_string(date('Y-m-d H:i:s',$wdatets),6))."<br />\n";//test
       return array(); // nothing to do.. .
     }
-    if( !isset( $recur['FREQ'] )) // "MUST be specified.. ."
-      $recur['FREQ'] = 'DAILY'; // ??
+    if( !isset( $recur['FREQ'] )) {
+        // "MUST be specified.. ."
+      $recur['FREQ'] = 'DAILY';
+    }
+    // ??
     $wkst = ( isset( $recur['WKST'] ) && ( 'SU' == $recur['WKST'] )) ? 24*60*60 : 0; // ??
-    if( !isset( $recur['INTERVAL'] ))
-      $recur['INTERVAL'] = 1;
+    if( !isset( $recur['INTERVAL'] )) {
+          $recur['INTERVAL'] = 1;
+    }
     $countcnt = ( !isset( $recur['BYSETPOS'] )) ? 1 : 0; // DTSTART counts as the first occurrence
             /* find out how to step up dates and set index for interval count */
     $step = array();
-    if( 'YEARLY' == $recur['FREQ'] )
-      $step['year']  = 1;
-    elseif( 'MONTHLY' == $recur['FREQ'] )
-      $step['month'] = 1;
-    elseif( 'WEEKLY' == $recur['FREQ'] )
-      $step['day']   = 7;
-    else
-      $step['day']   = 1;
-    if( isset( $step['year'] ) && isset( $recur['BYMONTH'] ))
-      $step = array( 'month' => 1 );
-    if( empty( $step ) && isset( $recur['BYWEEKNO'] )) // ??
+    if( 'YEARLY' == $recur['FREQ'] ) {
+          $step['year']  = 1;
+    } elseif( 'MONTHLY' == $recur['FREQ'] ) {
+          $step['month'] = 1;
+    } elseif( 'WEEKLY' == $recur['FREQ'] ) {
+          $step['day']   = 7;
+    } else {
+          $step['day']   = 1;
+    }
+    if( isset( $step['year'] ) && isset( $recur['BYMONTH'] )) {
+          $step = array( 'month' => 1 );
+    }
+    if( empty( $step ) && isset( $recur['BYWEEKNO'] )) {
+        // ??
       $step = array( 'day' => 7 );
-    if( isset( $recur['BYYEARDAY'] ) || isset( $recur['BYMONTHDAY'] ) || isset( $recur['BYDAY'] ))
-      $step = array( 'day' => 1 );
+    }
+    if( isset( $recur['BYYEARDAY'] ) || isset( $recur['BYMONTHDAY'] ) || isset( $recur['BYDAY'] )) {
+          $step = array( 'day' => 1 );
+    }
     $intervalarr = array();
     if( 1 < $recur['INTERVAL'] ) {
       $intervalix = $this->_recurIntervalIx( $recur['FREQ'], $wdate, $wkst );
@@ -4912,11 +5548,12 @@ 
       $bysetposMold = $wdate['month'];
       $bysetposDold = $wdate['day'];
       if( is_array( $recur['BYSETPOS'] )) {
-        foreach( $recur['BYSETPOS'] as $bix => $bval )
-          $recur['BYSETPOS'][$bix] = (int) $bval;
+        foreach( $recur['BYSETPOS'] as $bix => $bval ) {
+                  $recur['BYSETPOS'][$bix] = (int) $bval;
+        }
+      } else {
+              $recur['BYSETPOS'] = array( (int) $recur['BYSETPOS'] );
       }
-      else
-        $recur['BYSETPOS'] = array( (int) $recur['BYSETPOS'] );
       $this->_stepdate( $enddate, $endDatets, $step); // make sure to count whole last period
     }
     $this->_stepdate( $wdate, $wdatets, $step);
@@ -4925,10 +5562,12 @@ 
              /* MAIN LOOP */
      // echo "recur start ".implode('-',$wdate)." end ".implode('-',$enddate)."<br />\n";//test
     while( TRUE ) {
-      if( isset( $endDatets ) && ( $wdatets > $endDatets ))
-        break;
-      if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
-        break;
+      if( isset( $endDatets ) && ( $wdatets > $endDatets )) {
+              break;
+      }
+      if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] )) {
+              break;
+      }
       if( $year_old != $wdate['year'] ) {
         $year_old   = $wdate['year'];
         $daycnts    = array();
@@ -4937,8 +5576,9 @@ 
         for( $m = 1; $m <= 12; $m++ ) { // count up and update up-counters
           $daycnts[$m] = array();
           $weekdaycnt = array();
-          foreach( $daynames as $dn )
-            $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
+          foreach( $daynames as $dn ) {
+                      $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
+          }
           $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
           for( $d   = 1; $d <= $mcnt; $d++ ) {
             $daycnts[$m][$d] = array();
@@ -4955,8 +5595,9 @@ 
               $yeardaycnt[$day]++;
               $daycnts[$m][$d]['yeardayno_up'] = $yeardaycnt[$day];
             }
-            if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' ))
-              $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year']));
+            if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) {
+                          $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year']));
+            }
           }
         }
         $daycnt = 0;
@@ -4964,9 +5605,9 @@ 
         if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) {
           $weekno = null;
           for( $d=31; $d > 25; $d-- ) { // get last weekno for year
-            if( !$weekno )
-              $weekno = $daycnts[12][$d]['weekno_up'];
-            elseif( $weekno < $daycnts[12][$d]['weekno_up'] ) {
+            if( !$weekno ) {
+                          $weekno = $daycnts[12][$d]['weekno_up'];
+            } elseif( $weekno < $daycnts[12][$d]['weekno_up'] ) {
               $weekno = $daycnts[12][$d]['weekno_up'];
               break;
             }
@@ -4974,8 +5615,9 @@ 
         }
         for( $m = 12; $m > 0; $m-- ) { // count down and update down-counters
           $weekdaycnt = array();
-          foreach( $daynames as $dn )
-            $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
+          foreach( $daynames as $dn ) {
+                      $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0;
+          }
           $monthcnt = 0;
           $mcnt     = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] ));
           for( $d   = $mcnt; $d > 0; $d-- ) {
@@ -4994,8 +5636,9 @@ 
               $yeardaycnt[$day] -= 1;
               $daycnts[$m][$d]['yeardayno_down'] = $yeardaycnt[$day];
             }
-            if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' ))
-              $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1);
+            if(  isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) {
+                          $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1);
+            }
           }
         }
       }
@@ -5006,36 +5649,42 @@ 
             /* check interval */
         $currentKey = array_keys( $intervalarr );
         $currentKey = end( $currentKey ); // get last index
-        if( $currentKey != $intervalix )
-          $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 ));
+        if( $currentKey != $intervalix ) {
+                  $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 ));
+        }
         if(( $recur['INTERVAL'] != $intervalarr[$intervalix] ) &&
            ( 0 != $intervalarr[$intervalix] )) {
             /* step up date */
     //echo "skip: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
           $this->_stepdate( $wdate, $wdatets, $step);
           continue;
-        }
-        else // continue within the selected interval
+        } else {
+            // continue within the selected interval
           $intervalarr[$intervalix] = 0;
+        }
    //echo "cont: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."<br />\n";//test
       }
       $updateOK = TRUE;
-      if( $updateOK && isset( $recur['BYMONTH'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYMONTH']
+      if( $updateOK && isset( $recur['BYMONTH'] )) {
+              $updateOK = $this->_recurBYcntcheck( $recur['BYMONTH']
                                            , $wdate['month']
                                            ,($wdate['month'] - 13));
-      if( $updateOK && isset( $recur['BYWEEKNO'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYWEEKNO']
+      }
+      if( $updateOK && isset( $recur['BYWEEKNO'] )) {
+              $updateOK = $this->_recurBYcntcheck( $recur['BYWEEKNO']
                                            , $daycnts[$wdate['month']][$wdate['day']]['weekno_up']
                                            , $daycnts[$wdate['month']][$wdate['day']]['weekno_down'] );
-      if( $updateOK && isset( $recur['BYYEARDAY'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYYEARDAY']
+      }
+      if( $updateOK && isset( $recur['BYYEARDAY'] )) {
+              $updateOK = $this->_recurBYcntcheck( $recur['BYYEARDAY']
                                            , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_up']
                                            , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down'] );
-      if( $updateOK && isset( $recur['BYMONTHDAY'] ))
-        $updateOK = $this->_recurBYcntcheck( $recur['BYMONTHDAY']
+      }
+      if( $updateOK && isset( $recur['BYMONTHDAY'] )) {
+              $updateOK = $this->_recurBYcntcheck( $recur['BYMONTHDAY']
                                            , $wdate['day']
                                            , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down'] );
+      }
     //echo "efter BYMONTHDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "<br />\n";//test###
       if( $updateOK && isset( $recur['BYDAY'] )) {
         $updateOK = FALSE;
@@ -5043,42 +5692,45 @@ 
         $d = $wdate['day'];
         if( isset( $recur['BYDAY']['DAY'] )) { // single day, opt with year/month day order no
           $daynoexists = $daynosw = $daynamesw =  FALSE;
-          if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] )
-            $daynamesw = TRUE;
+          if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] ) {
+                      $daynamesw = TRUE;
+          }
           if( isset( $recur['BYDAY'][0] )) {
             $daynoexists = TRUE;
-            if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || isset( $recur['BYMONTH'] ))
-              $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
+            if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || isset( $recur['BYMONTH'] )) {
+                          $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
                                                 , $daycnts[$m][$d]['monthdayno_up']
                                                 , $daycnts[$m][$d]['monthdayno_down'] );
-            elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
-              $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
+            } elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' )) {
+                          $daynosw = $this->_recurBYcntcheck( $recur['BYDAY'][0]
                                                 , $daycnts[$m][$d]['yeardayno_up']
                                                 , $daycnts[$m][$d]['yeardayno_down'] );
+            }
           }
           if((  $daynoexists &&  $daynosw && $daynamesw ) ||
              ( !$daynoexists && !$daynosw && $daynamesw )) {
             $updateOK = TRUE;
           }
         //echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ###
-        }
-        else {
+        } else {
           foreach( $recur['BYDAY'] as $bydayvalue ) {
             $daynoexists = $daynosw = $daynamesw = FALSE;
             if( isset( $bydayvalue['DAY'] ) &&
-                     ( $bydayvalue['DAY'] == $daycnts[$m][$d]['DAY'] ))
-              $daynamesw = TRUE;
+                     ( $bydayvalue['DAY'] == $daycnts[$m][$d]['DAY'] )) {
+                          $daynamesw = TRUE;
+            }
             if( isset( $bydayvalue[0] )) {
               $daynoexists = TRUE;
               if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) ||
-                   isset( $recur['BYMONTH'] ))
-                $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
+                   isset( $recur['BYMONTH'] )) {
+                              $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
                                                   , $daycnts[$m][$d]['monthdayno_up']
                                                   , $daycnts[$m][$d]['monthdayno_down'] );
-              elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' ))
-                $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
+              } elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' )) {
+                              $daynosw = $this->_recurBYcntcheck( $bydayvalue['0']
                                                   , $daycnts[$m][$d]['yeardayno_up']
                                                   , $daycnts[$m][$d]['yeardayno_down'] );
+              }
             }
         //echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw<br />\n"; // test ###
             if((  $daynoexists &&  $daynosw && $daynamesw ) ||
@@ -5095,12 +5747,12 @@ 
         if( isset( $recur['BYSETPOS'] ) &&
           ( in_array( $recur['FREQ'], array( 'YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY' )))) {
           if( isset( $recur['WEEKLY'] )) {
-            if( $bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] )
-              $bysetposw1[] = $wdatets;
-            else
-              $bysetposw2[] = $wdatets;
-          }
-          else {
+            if( $bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] ) {
+                          $bysetposw1[] = $wdatets;
+            } else {
+                          $bysetposw2[] = $wdatets;
+            }
+          } else {
             if(( isset( $recur['FREQ'] ) && ( 'YEARLY'      == $recur['FREQ'] )  &&
                                             ( $bysetposYold == $wdate['year'] ))   ||
                ( isset( $recur['FREQ'] ) && ( 'MONTHLY'     == $recur['FREQ'] )  &&
@@ -5109,13 +5761,13 @@ 
                ( isset( $recur['FREQ'] ) && ( 'MONTHLY'     == $recur['FREQ'] )  &&
                                            (( $bysetposYold == $wdate['year'] )  &&
                                             ( $bysetposMold == $wdate['month'])  &&
-                                            ( $bysetposDold == $wdate['sday'] ))))
-              $bysetposymd1[] = $wdatets;
-            else
-              $bysetposymd2[] = $wdatets;
+                                            ( $bysetposDold == $wdate['sday'] )))) {
+                          $bysetposymd1[] = $wdatets;
+            } else {
+                          $bysetposymd2[] = $wdatets;
+            }
           }
-        }
-        else {
+        } else {
             /* update result array if BYSETPOS is set */
           $countcnt++;
           if( $startdatets <= $wdatets ) { // only output within period
@@ -5135,21 +5787,18 @@ 
           ( $bysetposYold != $wdate['year'] )) {
           $bysetpos     = TRUE;
           $bysetposYold = $wdate['year'];
-        }
-        elseif( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] &&
+        } elseif( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] &&
          (( $bysetposYold != $wdate['year'] ) || ( $bysetposMold != $wdate['month'] )))) {
           $bysetpos     = TRUE;
           $bysetposYold = $wdate['year'];
           $bysetposMold = $wdate['month'];
-        }
-        elseif( isset( $recur['FREQ'] ) && ( 'WEEKLY'  == $recur['FREQ'] )) {
+        } elseif( isset( $recur['FREQ'] ) && ( 'WEEKLY'  == $recur['FREQ'] )) {
           $weekno = (int) date( 'W', mktime( 0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year']));
           if( $bysetposWold != $weekno ) {
             $bysetposWold = $weekno;
             $bysetpos     = TRUE;
           }
-        }
-        elseif( isset( $recur['FREQ'] ) && ( 'DAILY'   == $recur['FREQ'] ) &&
+        } elseif( isset( $recur['FREQ'] ) && ( 'DAILY'   == $recur['FREQ'] ) &&
          (( $bysetposYold != $wdate['year'] )  ||
           ( $bysetposMold != $wdate['month'] ) ||
           ( $bysetposDold != $wdate['sday'] ))) {
@@ -5162,14 +5811,15 @@ 
           if( isset( $recur['BYWEEKNO'] )) {
             $bysetposarr1 = & $bysetposw1;
             $bysetposarr2 = & $bysetposw2;
-          }
-          else {
+          } else {
             $bysetposarr1 = & $bysetposymd1;
             $bysetposarr2 = & $bysetposymd2;
           }
           foreach( $recur['BYSETPOS'] as $ix ) {
-            if( 0 > $ix ) // both positive and negative BYSETPOS allowed
+            if( 0 > $ix ) {
+                // both positive and negative BYSETPOS allowed
               $ix = ( count( $bysetposarr1 ) + $ix + 1);
+            }
             $ix--;
             if( isset( $bysetposarr1[$ix] )) {
               if( $startdatets <= $bysetposarr1[$ix] ) { // only output within period
@@ -5178,8 +5828,9 @@ 
               }
               $countcnt++;
             }
-            if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] ))
-              break;
+            if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] )) {
+                          break;
+            }
           }
           $bysetposarr1 = $bysetposarr2;
           $bysetposarr2 = array();
@@ -5189,12 +5840,13 @@ 
   }
   function _recurBYcntcheck( $BYvalue, $upValue, $downValue ) {
     if( is_array( $BYvalue ) &&
-      ( in_array( $upValue, $BYvalue ) || in_array( $downValue, $BYvalue )))
-      return TRUE;
-    elseif(( $BYvalue == $upValue ) || ( $BYvalue == $downValue ))
-      return TRUE;
-    else
-      return FALSE;
+      ( in_array( $upValue, $BYvalue ) || in_array( $downValue, $BYvalue ))) {
+          return TRUE;
+    } elseif(( $BYvalue == $upValue ) || ( $BYvalue == $downValue )) {
+          return TRUE;
+    } else {
+          return FALSE;
+    }
   }
   function _recurIntervalIx( $freq, $date, $wkst ) {
             /* create interval index */
@@ -5226,21 +5878,27 @@ 
  */
   function _setRexrule( $rexrule ) {
     $input          = array();
-    if( empty( $rexrule ))
-      return $input;
+    if( empty( $rexrule )) {
+          return $input;
+    }
     foreach( $rexrule as $rexrulelabel => $rexrulevalue ) {
       $rexrulelabel = strtoupper( $rexrulelabel );
-      if( 'UNTIL'  != $rexrulelabel )
-        $input[$rexrulelabel]   = $rexrulevalue;
-      else {
-        if( $this->_isArrayTimestampDate( $rexrulevalue )) // timestamp date
+      if( 'UNTIL'  != $rexrulelabel ) {
+              $input[$rexrulelabel]   = $rexrulevalue;
+      } else {
+        if( $this->_isArrayTimestampDate( $rexrulevalue )) {
+            // timestamp date
           $input[$rexrulelabel] = $this->_timestamp2date( $rexrulevalue, 6 );
-        elseif( $this->_isArrayDate( $rexrulevalue )) // date-time
+        } elseif( $this->_isArrayDate( $rexrulevalue )) {
+            // date-time
           $input[$rexrulelabel] = $this->_date_time_array( $rexrulevalue, 6 );
-        elseif( 8 <= strlen( trim( $rexrulevalue ))) // ex. 2006-08-03 10:12:18
+        } elseif( 8 <= strlen( trim( $rexrulevalue ))) {
+            // ex. 2006-08-03 10:12:18
           $input[$rexrulelabel] = $this->_date_time_string( $rexrulevalue );
-        if(( 3 < count( $input[$rexrulelabel] )) && !isset( $input[$rexrulelabel]['tz'] ))
-          $input[$rexrulelabel]['tz'] = 'Z';
+        }
+        if(( 3 < count( $input[$rexrulelabel] )) && !isset( $input[$rexrulelabel]['tz'] )) {
+                  $input[$rexrulelabel]['tz'] = 'Z';
+        }
       }
     }
     return $input;
@@ -5264,7 +5922,9 @@ 
     $input = $parno = null;
     $localtime = (( 'dtstart' == $caller ) && in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE;
     if( $this->_isArrayDate( $year )) {
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
+      if( $localtime ) {
+          unset ( $month['VALUE'], $month['TZID'] );
+      }
       $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
       if( isset( $input['params']['TZID'] )) {
         $input['params']['VALUE'] = 'DATE-TIME';
@@ -5274,9 +5934,10 @@ 
       $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval );
       $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, count( $year ), $parno );
       $input['value']  = $this->_date_time_array( $year, $parno );
-    }
-    elseif( $this->_isArrayTimestampDate( $year )) {
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
+    } elseif( $this->_isArrayTimestampDate( $year )) {
+      if( $localtime ) {
+          unset ( $month['VALUE'], $month['TZID'] );
+      }
       $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
       if( isset( $input['params']['TZID'] )) {
         $input['params']['VALUE'] = 'DATE-TIME';
@@ -5286,9 +5947,10 @@ 
       $hitval          = ( isset( $year['tz'] )) ? 7 : 6;
       $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno );
       $input['value']  = $this->_timestamp2date( $year, $parno );
-    }
-    elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
-      if( $localtime ) unset ( $month['VALUE'], $month['TZID'] );
+    } elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
+      if( $localtime ) {
+          unset ( $month['VALUE'], $month['TZID'] );
+      }
       $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ));
       if( isset( $input['params']['TZID'] )) {
         $input['params']['VALUE'] = 'DATE-TIME';
@@ -5297,17 +5959,16 @@ 
       $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7, $parno );
       $parno           = $this->_existRem( $input['params'], 'VALUE', 'DATE', 3, $parno, $parno );
       $input['value']  = $this->_date_time_string( $year, $parno );
-    }
-    else {
+    } else {
       if( is_array( $params )) {
-        if( $localtime ) unset ( $params['VALUE'], $params['TZID'] );
+        if( $localtime ) {
+            unset ( $params['VALUE'], $params['TZID'] );
+        }
         $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
-      }
-      elseif( is_array( $tz )) {
+      } elseif( is_array( $tz )) {
         $input['params'] = $this->_setParams( $tz,     array( 'VALUE' => 'DATE-TIME' ));
         $tz = FALSE;
-      }
-      elseif( is_array( $hour )) {
+      } elseif( is_array( $hour )) {
         $input['params'] = $this->_setParams( $hour,   array( 'VALUE' => 'DATE-TIME' ));
         $hour = $min = $sec = $tz = FALSE;
       }
@@ -5323,23 +5984,28 @@ 
         $input['value']['hour'] = ( $hour ) ? $hour : '0';
         $input['value']['min']  = ( $min )  ? $min  : '0';
         $input['value']['sec']  = ( $sec )  ? $sec  : '0';
-        if( !empty( $tz ))
-          $input['value']['tz'] = $tz;
+        if( !empty( $tz )) {
+                  $input['value']['tz'] = $tz;
+        }
       }
     }
     if( 3 == $parno ) {
       $input['params']['VALUE'] = 'DATE';
       unset( $input['value']['tz'] );
       unset( $input['params']['TZID'] );
+    } elseif( isset( $input['params']['TZID'] )) {
+          unset( $input['value']['tz'] );
+    }
+    if( $localtime ) {
+        unset( $input['value']['tz'], $input['params']['TZID'] );
+    }
+    if( isset( $input['value']['tz'] )) {
+          $input['value']['tz'] = (string) $input['value']['tz'];
     }
-    elseif( isset( $input['params']['TZID'] ))
-      unset( $input['value']['tz'] );
-    if( $localtime ) unset( $input['value']['tz'], $input['params']['TZID'] );
-    if( isset( $input['value']['tz'] ))
-      $input['value']['tz'] = (string) $input['value']['tz'];
     if( !empty( $input['value']['tz'] ) && ( 'Z' != $input['value']['tz'] ) &&
-      ( !$this->_isOffset( $input['value']['tz'] )))
-      $input['params']['TZID'] = $input['value']['tz'];
+      ( !$this->_isOffset( $input['value']['tz'] ))) {
+          $input['params']['TZID'] = $input['value']['tz'];
+    }
     return $input;
   }
 /**
@@ -5361,16 +6027,13 @@ 
     if( $this->_isArrayDate( $year )) {
       $input['value']  = $this->_date_time_array( $year, 7 );
       $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
-    }
-    elseif( $this->_isArrayTimestampDate( $year )) {
+    } elseif( $this->_isArrayTimestampDate( $year )) {
       $input['value']  = $this->_timestamp2date( $year, 7 );
       $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
-    }
-    elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
+    } elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18
       $input['value']  = $this->_date_time_string( $year, 7 );
       $input['params'] = $this->_setParams( $month, array( 'VALUE' => 'DATE-TIME' ) );
-    }
-    else {
+    } else {
       $input['value']  = array( 'year'  => $year
                               , 'month' => $month
                               , 'day'   => $day
@@ -5380,14 +6043,18 @@ 
       $input['params'] = $this->_setParams( $params, array( 'VALUE' => 'DATE-TIME' ));
     }
     $parno = $this->_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7 ); // remove default
-    if( !isset( $input['value']['hour'] ))
-      $input['value']['hour'] = 0;
-    if( !isset( $input['value']['min'] ))
-      $input['value']['min'] = 0;
-    if( !isset( $input['value']['sec'] ))
-      $input['value']['sec'] = 0;
-    if( !isset( $input['value']['tz'] ) || !$this->_isOffset( $input['value']['tz'] ))
-      $input['value']['tz'] = 'Z';
+    if( !isset( $input['value']['hour'] )) {
+          $input['value']['hour'] = 0;
+    }
+    if( !isset( $input['value']['min'] )) {
+          $input['value']['min'] = 0;
+    }
+    if( !isset( $input['value']['sec'] )) {
+          $input['value']['sec'] = 0;
+    }
+    if( !isset( $input['value']['tz'] ) || !$this->_isOffset( $input['value']['tz'] )) {
+          $input['value']['tz'] = 'Z';
+    }
     return $input;
   }
 /**
@@ -5403,15 +6070,17 @@ 
  * @return void
  */
   function _setMval( & $valArr, $value, $params=FALSE, $defaults=FALSE, $index=FALSE ) {
-    if( !is_array( $valArr )) $valArr = array();
-    if( $index )
-      $index = $index - 1;
-    elseif( 0 < count( $valArr )) {
+    if( !is_array( $valArr )) {
+        $valArr = array();
+    }
+    if( $index ) {
+          $index = $index - 1;
+    } elseif( 0 < count( $valArr )) {
       $index = end( array_keys( $valArr ));
       $index += 1;
+    } else {
+          $index = 0;
     }
-    else
-      $index = 0;
     $valArr[$index] = array( 'value' => $value, 'params' => $this->_setParams( $params, $defaults ));
     ksort( $valArr );
   }
@@ -5427,27 +6096,31 @@ 
  * @return array
  */
   function _setParams( $params, $defaults=FALSE ) {
-    if( !is_array( $params))
-      $params = array();
+    if( !is_array( $params)) {
+          $params = array();
+    }
     $input = array();
     foreach( $params as $paramKey => $paramValue ) {
       if( is_array( $paramValue )) {
         foreach( $paramValue as $pkey => $pValue ) {
-          if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 )))
-            $paramValue[$pkey] = substr( $pValue, 1, ( strlen( $pValue ) - 2 ));
+          if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 ))) {
+                      $paramValue[$pkey] = substr( $pValue, 1, ( strlen( $pValue ) - 2 ));
+          }
         }
+      } elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 ))) {
+              $paramValue = substr( $paramValue, 1, ( strlen( $paramValue ) - 2 ));
+      }
+      if( 'VALUE' == strtoupper( $paramKey )) {
+              $input['VALUE']                 = strtoupper( $paramValue );
+      } else {
+              $input[strtoupper( $paramKey )] = $paramValue;
       }
-      elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 )))
-        $paramValue = substr( $paramValue, 1, ( strlen( $paramValue ) - 2 ));
-      if( 'VALUE' == strtoupper( $paramKey ))
-        $input['VALUE']                 = strtoupper( $paramValue );
-      else
-        $input[strtoupper( $paramKey )] = $paramValue;
     }
     if( is_array( $defaults )) {
       foreach( $defaults as $paramKey => $paramValue ) {
-        if( !isset( $input[$paramKey] ))
-          $input[$paramKey] = $paramValue;
+        if( !isset( $input[$paramKey] )) {
+                  $input[$paramKey] = $paramValue;
+        }
       }
     }
     return (0 < count( $input )) ? $input : null;
@@ -5463,13 +6136,15 @@ 
  * @return void
  */
   function _stepdate( &$date, &$timestamp, $step=array( 'day' => 1 )) {
-    foreach( $step as $stepix => $stepvalue )
-      $date[$stepix] += $stepvalue;
+    foreach( $step as $stepix => $stepvalue ) {
+          $date[$stepix] += $stepvalue;
+    }
     $timestamp  = $this->_date2timestamp( $date );
     $date       = $this->_timestamp2date( $timestamp, 6 );
     foreach( $date as $k => $v ) {
-      if( ctype_digit( $v ))
-        $date[$k] = (int) $v;
+      if( ctype_digit( $v )) {
+              $date[$k] = (int) $v;
+      }
     }
   }
 /**
@@ -5483,8 +6158,9 @@ 
  */
   function _timestamp2date( $timestamp, $parno=6 ) {
     if( is_array( $timestamp )) {
-      if(( 7 == $parno ) && !empty( $timestamp['tz'] ))
-        $tz = $timestamp['tz'];
+      if(( 7 == $parno ) && !empty( $timestamp['tz'] )) {
+              $tz = $timestamp['tz'];
+      }
       $timestamp = $timestamp['timestamp'];
     }
     $output = array( 'year'  => date( 'Y', $timestamp )
@@ -5494,8 +6170,9 @@ 
              $output['hour'] =  date( 'H', $timestamp );
              $output['min']  =  date( 'i', $timestamp );
              $output['sec']  =  date( 's', $timestamp );
-      if( isset( $tz ))
-        $output['tz'] = $tz;
+      if( isset( $tz )) {
+              $output['tz'] = $tz;
+      }
     }
     return $output;
   }
@@ -5513,8 +6190,9 @@ 
     if(((     5  != strlen( $tz )) && ( 7  != strlen( $tz ))) ||
        ((    '+' != substr( $tz, 0, 1 )) && ( '-' != substr( $tz, 0, 1 ))) ||
        (( '0000' >= substr( $tz, 1, 4 )) && ( '9999' < substr( $tz, 1, 4 ))) ||
-           (( 7  == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 ))))
-      return $offset;
+           (( 7  == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 )))) {
+          return $offset;
+    }
     $hours2sec    = (int) substr( $tz, 1, 2 ) * 3600;
     $min2sec      = (int) substr( $tz, 3, 2 ) *   60;
     $sec          = ( 7  == strlen( $tz )) ? (int) substr( $tz, -2 ) : '00';
@@ -5542,7 +6220,9 @@ 
         $info = array();
         if( isset( $this->components )) {
           foreach( $this->components as $cix => $component ) {
-            if( empty( $component )) continue;
+            if( empty( $component )) {
+                continue;
+            }
             unset( $component->propix );
             $info[$cix]['ordno'] = $cix + 1;
             $info[$cix]['type']  = $component->objName;
@@ -5568,57 +6248,146 @@ 
       case 'PROPINFO':
         $output = array();
         if( !in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
-          if( empty( $this->uid['value'] )) $this->_makeuid();
+          if( empty( $this->uid['value'] )) {
+              $this->_makeuid();
+          }
                                               $output['UID']              = 1;
         }
-        if( !empty( $this->dtstamp ))         $output['DTSTAMP']          = 1;
-        if( !empty( $this->summary ))         $output['SUMMARY']          = 1;
-        if( !empty( $this->description ))     $output['DESCRIPTION']      = count( $this->description );
-        if( !empty( $this->dtstart ))         $output['DTSTART']          = 1;
-        if( !empty( $this->dtend ))           $output['DTEND']            = 1;
-        if( !empty( $this->due ))             $output['DUE']              = 1;
-        if( !empty( $this->duration ))        $output['DURATION']         = 1;
-        if( !empty( $this->rrule ))           $output['RRULE']            = count( $this->rrule );
-        if( !empty( $this->rdate ))           $output['RDATE']            = count( $this->rdate );
-        if( !empty( $this->exdate ))          $output['EXDATE']           = count( $this->exdate );
-        if( !empty( $this->exrule ))          $output['EXRULE']           = count( $this->exrule );
-        if( !empty( $this->action ))          $output['ACTION']           = 1;
-        if( !empty( $this->attach ))          $output['ATTACH']           = count( $this->attach );
-        if( !empty( $this->attendee ))        $output['ATTENDEE']         = count( $this->attendee );
-        if( !empty( $this->categories ))      $output['CATEGORIES']       = count( $this->categories );
-        if( !empty( $this->class ))           $output['CLASS']            = 1;
-        if( !empty( $this->comment ))         $output['COMMENT']          = count( $this->comment );
-        if( !empty( $this->completed ))       $output['COMPLETED']        = 1;
-        if( !empty( $this->contact ))         $output['CONTACT']          = count( $this->contact );
-        if( !empty( $this->created ))         $output['CREATED']          = 1;
-        if( !empty( $this->freebusy ))        $output['FREEBUSY']         = count( $this->freebusy );
-        if( !empty( $this->geo ))             $output['GEO']              = 1;
-        if( !empty( $this->lastmodified ))    $output['LAST-MODIFIED']    = 1;
-        if( !empty( $this->location ))        $output['LOCATION']         = 1;
-        if( !empty( $this->organizer ))       $output['ORGANIZER']        = 1;
-        if( !empty( $this->percentcomplete )) $output['PERCENT-COMPLETE'] = 1;
-        if( !empty( $this->priority ))        $output['PRIORITY']         = 1;
-        if( !empty( $this->recurrenceid ))    $output['RECURRENCE-ID']    = 1;
-        if( !empty( $this->relatedto ))       $output['RELATED-TO']       = count( $this->relatedto );
-        if( !empty( $this->repeat ))          $output['REPEAT']           = 1;
-        if( !empty( $this->requeststatus ))   $output['REQUEST-STATUS']   = count( $this->requeststatus );
-        if( !empty( $this->resources ))       $output['RESOURCES']        = count( $this->resources );
-        if( !empty( $this->sequence ))        $output['SEQUENCE']         = 1;
-        if( !empty( $this->status ))          $output['STATUS']           = 1;
-        if( !empty( $this->transp ))          $output['TRANSP']           = 1;
-        if( !empty( $this->trigger ))         $output['TRIGGER']          = 1;
-        if( !empty( $this->tzid ))            $output['TZID']             = 1;
-        if( !empty( $this->tzname ))          $output['TZNAME']           = count( $this->tzname );
-        if( !empty( $this->tzoffsetfrom ))    $output['TZOFFSETTFROM']    = 1;
-        if( !empty( $this->tzoffsetto ))      $output['TZOFFSETTO']       = 1;
-        if( !empty( $this->tzurl ))           $output['TZURL']            = 1;
-        if( !empty( $this->url ))             $output['URL']              = 1;
-        if( !empty( $this->xprop ))           $output['X-PROP']           = count( $this->xprop );
+        if( !empty( $this->dtstamp )) {
+            $output['DTSTAMP']          = 1;
+        }
+        if( !empty( $this->summary )) {
+            $output['SUMMARY']          = 1;
+        }
+        if( !empty( $this->description )) {
+            $output['DESCRIPTION']      = count( $this->description );
+        }
+        if( !empty( $this->dtstart )) {
+            $output['DTSTART']          = 1;
+        }
+        if( !empty( $this->dtend )) {
+            $output['DTEND']            = 1;
+        }
+        if( !empty( $this->due )) {
+            $output['DUE']              = 1;
+        }
+        if( !empty( $this->duration )) {
+            $output['DURATION']         = 1;
+        }
+        if( !empty( $this->rrule )) {
+            $output['RRULE']            = count( $this->rrule );
+        }
+        if( !empty( $this->rdate )) {
+            $output['RDATE']            = count( $this->rdate );
+        }
+        if( !empty( $this->exdate )) {
+            $output['EXDATE']           = count( $this->exdate );
+        }
+        if( !empty( $this->exrule )) {
+            $output['EXRULE']           = count( $this->exrule );
+        }
+        if( !empty( $this->action )) {
+            $output['ACTION']           = 1;
+        }
+        if( !empty( $this->attach )) {
+            $output['ATTACH']           = count( $this->attach );
+        }
+        if( !empty( $this->attendee )) {
+            $output['ATTENDEE']         = count( $this->attendee );
+        }
+        if( !empty( $this->categories )) {
+            $output['CATEGORIES']       = count( $this->categories );
+        }
+        if( !empty( $this->class )) {
+            $output['CLASS']            = 1;
+        }
+        if( !empty( $this->comment )) {
+            $output['COMMENT']          = count( $this->comment );
+        }
+        if( !empty( $this->completed )) {
+            $output['COMPLETED']        = 1;
+        }
+        if( !empty( $this->contact )) {
+            $output['CONTACT']          = count( $this->contact );
+        }
+        if( !empty( $this->created )) {
+            $output['CREATED']          = 1;
+        }
+        if( !empty( $this->freebusy )) {
+            $output['FREEBUSY']         = count( $this->freebusy );
+        }
+        if( !empty( $this->geo )) {
+            $output['GEO']              = 1;
+        }
+        if( !empty( $this->lastmodified )) {
+            $output['LAST-MODIFIED']    = 1;
+        }
+        if( !empty( $this->location )) {
+            $output['LOCATION']         = 1;
+        }
+        if( !empty( $this->organizer )) {
+            $output['ORGANIZER']        = 1;
+        }
+        if( !empty( $this->percentcomplete )) {
+            $output['PERCENT-COMPLETE'] = 1;
+        }
+        if( !empty( $this->priority )) {
+            $output['PRIORITY']         = 1;
+        }
+        if( !empty( $this->recurrenceid )) {
+            $output['RECURRENCE-ID']    = 1;
+        }
+        if( !empty( $this->relatedto )) {
+            $output['RELATED-TO']       = count( $this->relatedto );
+        }
+        if( !empty( $this->repeat )) {
+            $output['REPEAT']           = 1;
+        }
+        if( !empty( $this->requeststatus )) {
+            $output['REQUEST-STATUS']   = count( $this->requeststatus );
+        }
+        if( !empty( $this->resources )) {
+            $output['RESOURCES']        = count( $this->resources );
+        }
+        if( !empty( $this->sequence )) {
+            $output['SEQUENCE']         = 1;
+        }
+        if( !empty( $this->status )) {
+            $output['STATUS']           = 1;
+        }
+        if( !empty( $this->transp )) {
+            $output['TRANSP']           = 1;
+        }
+        if( !empty( $this->trigger )) {
+            $output['TRIGGER']          = 1;
+        }
+        if( !empty( $this->tzid )) {
+            $output['TZID']             = 1;
+        }
+        if( !empty( $this->tzname )) {
+            $output['TZNAME']           = count( $this->tzname );
+        }
+        if( !empty( $this->tzoffsetfrom )) {
+            $output['TZOFFSETTFROM']    = 1;
+        }
+        if( !empty( $this->tzoffsetto )) {
+            $output['TZOFFSETTO']       = 1;
+        }
+        if( !empty( $this->tzurl )) {
+            $output['TZURL']            = 1;
+        }
+        if( !empty( $this->url )) {
+            $output['URL']              = 1;
+        }
+        if( !empty( $this->xprop )) {
+            $output['X-PROP']           = count( $this->xprop );
+        }
         return $output;
         break;
       case 'UNIQUE_ID':
-        if( empty( $this->unique_id ))
-          $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
+        if( empty( $this->unique_id )) {
+                  $this->unique_id  = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
+        }
         return $this->unique_id;
         break;
     }
@@ -5667,13 +6436,16 @@ 
         $res    = TRUE;
         break;
     }
-    if( !$res ) return FALSE;
+    if( !$res ) {
+        return FALSE;
+    }
     if( isset( $subcfg ) && !empty( $this->components )) {
       foreach( $subcfg as $cfgkey => $cfgvalue ) {
         foreach( $this->components as $cix => $component ) {
           $res = $component->setConfig( $cfgkey, $cfgvalue );
-          if( !$res )
-            break 2;
+          if( !$res ) {
+                      break 2;
+          }
           $this->components[$cix] = $component; // PHP4 compliant
         }
       }
@@ -5691,12 +6463,15 @@ 
  * @return bool, if successfull delete TRUE
  */
   function deleteProperty( $propName, $propix=FALSE ) {
-    if( $this->_notExistProp( $propName )) return FALSE;
+    if( $this->_notExistProp( $propName )) {
+        return FALSE;
+    }
     $propName = strtoupper( $propName );
     if( in_array( $propName, array( 'ATTACH',   'ATTENDEE', 'CATEGORIES', 'COMMENT',   'CONTACT', 'DESCRIPTION',    'EXDATE', 'EXRULE',
                                     'FREEBUSY', 'RDATE',    'RELATED-TO', 'RESOURCES', 'RRULE',   'REQUEST-STATUS', 'TZNAME', 'X-PROP'  ))) {
-      if( !$propix )
-        $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+      if( !$propix ) {
+              $propix = ( isset( $this->propdelix[$propName] )) ? $this->propdelix[$propName] + 2 : 1;
+      }
       $this->propdelix[$propName] = --$propix;
     }
     $return = FALSE;
@@ -5750,8 +6525,9 @@ 
         }
         break;
       case 'DTSTAMP':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return FALSE;
+        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
+                  return FALSE;
+        }
         if( !empty( $this->dtstamp )) {
           $this->dtstamp = '';
           $return = TRUE;
@@ -5905,8 +6681,9 @@ 
         }
         break;
       case 'UID':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return FALSE;
+        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
+                  return FALSE;
+        }
         if( !empty( $this->uid )) {
           $this->uid = '';
           $return = TRUE;
@@ -5921,18 +6698,23 @@ 
       default:
         $reduced = '';
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
+          if( !isset( $this->xprop[$propName] )) {
+              return FALSE;
+          }
           foreach( $this->xprop as $k => $a ) {
-            if(( $k != $propName ) && !empty( $a ))
-              $reduced[$k] = $a;
+            if(( $k != $propName ) && !empty( $a )) {
+                          $reduced[$k] = $a;
+            }
+          }
+        } else {
+          if( count( $this->xprop ) <= $propix ) {
+              return FALSE;
           }
-        }
-        else {
-          if( count( $this->xprop ) <= $propix )  return FALSE;
           $xpropno = 0;
           foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix != $xpropno )
-              $reduced[$xpropkey] = $xpropvalue;
+            if( $propix != $xpropno ) {
+                          $reduced[$xpropkey] = $xpropvalue;
+            }
             $xpropno++;
           }
         }
@@ -5952,9 +6734,13 @@ 
  * @return bool TRUE
  */
   function deletePropertyM( & $multiprop, $propix=0 ) {
-    if( !isset( $multiprop[$propix])) return FALSE;
+    if( !isset( $multiprop[$propix])) {
+        return FALSE;
+    }
     unset( $multiprop[$propix] );
-    if( empty( $multiprop )) $multiprop = '';
+    if( empty( $multiprop )) {
+        $multiprop = '';
+    }
     return ( isset( $this->multiprop[$propix] )) ? FALSE : TRUE;
   }
 /**
@@ -5971,184 +6757,277 @@ 
  * @return mixed
  */
   function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE, $specform=FALSE ) {
-    if( $this->_notExistProp( $propName )) return FALSE;
+    if( $this->_notExistProp( $propName )) {
+        return FALSE;
+    }
     $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
     if( in_array( $propName, array( 'ATTACH',   'ATTENDEE', 'CATEGORIES', 'COMMENT',   'CONTACT', 'DESCRIPTION',    'EXDATE', 'EXRULE',
                                     'FREEBUSY', 'RDATE',    'RELATED-TO', 'RESOURCES', 'RRULE',   'REQUEST-STATUS', 'TZNAME', 'X-PROP'  ))) {
-      if( !$propix )
-        $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
+      if( !$propix ) {
+              $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
+      }
       $this->propix[$propName] = --$propix;
     }
     switch( $propName ) {
       case 'ACTION':
-        if( !empty( $this->action['value'] )) return ( $inclParam ) ? $this->action : $this->action['value'];
+        if( !empty( $this->action['value'] )) {
+            return ( $inclParam ) ? $this->action : $this->action['value'];
+        }
         break;
       case 'ATTACH':
-        if( !isset( $this->attach[$propix] )) return FALSE;
+        if( !isset( $this->attach[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->attach[$propix] : $this->attach[$propix]['value'];
         break;
       case 'ATTENDEE':
-        if( !isset( $this->attendee[$propix] )) return FALSE;
+        if( !isset( $this->attendee[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->attendee[$propix] : $this->attendee[$propix]['value'];
         break;
       case 'CATEGORIES':
-        if( !isset( $this->categories[$propix] )) return FALSE;
+        if( !isset( $this->categories[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->categories[$propix] : $this->categories[$propix]['value'];
         break;
       case 'CLASS':
-        if( !empty( $this->class['value'] )) return ( $inclParam ) ? $this->class : $this->class['value'];
+        if( !empty( $this->class['value'] )) {
+            return ( $inclParam ) ? $this->class : $this->class['value'];
+        }
         break;
       case 'COMMENT':
-        if( !isset( $this->comment[$propix] )) return FALSE;
+        if( !isset( $this->comment[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->comment[$propix] : $this->comment[$propix]['value'];
         break;
       case 'COMPLETED':
-        if( !empty( $this->completed['value'] )) return ( $inclParam ) ? $this->completed : $this->completed['value'];
+        if( !empty( $this->completed['value'] )) {
+            return ( $inclParam ) ? $this->completed : $this->completed['value'];
+        }
         break;
       case 'CONTACT':
-        if( !isset( $this->contact[$propix] )) return FALSE;
+        if( !isset( $this->contact[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->contact[$propix] : $this->contact[$propix]['value'];
         break;
       case 'CREATED':
-        if( !empty( $this->created['value'] )) return ( $inclParam ) ? $this->created : $this->created['value'];
+        if( !empty( $this->created['value'] )) {
+            return ( $inclParam ) ? $this->created : $this->created['value'];
+        }
         break;
       case 'DESCRIPTION':
-        if( !isset( $this->description[$propix] )) return FALSE;
+        if( !isset( $this->description[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->description[$propix] : $this->description[$propix]['value'];
         break;
       case 'DTEND':
-        if( !empty( $this->dtend['value'] )) return ( $inclParam ) ? $this->dtend : $this->dtend['value'];
+        if( !empty( $this->dtend['value'] )) {
+            return ( $inclParam ) ? $this->dtend : $this->dtend['value'];
+        }
         break;
       case 'DTSTAMP':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return;
-        if( !isset( $this->dtstamp['value'] ))
-          $this->_makeDtstamp();
+        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
+                  return;
+        }
+        if( !isset( $this->dtstamp['value'] )) {
+                  $this->_makeDtstamp();
+        }
         return ( $inclParam ) ? $this->dtstamp : $this->dtstamp['value'];
         break;
       case 'DTSTART':
-        if( !empty( $this->dtstart['value'] )) return ( $inclParam ) ? $this->dtstart : $this->dtstart['value'];
+        if( !empty( $this->dtstart['value'] )) {
+            return ( $inclParam ) ? $this->dtstart : $this->dtstart['value'];
+        }
         break;
       case 'DUE':
-        if( !empty( $this->due['value'] )) return ( $inclParam ) ? $this->due : $this->due['value'];
+        if( !empty( $this->due['value'] )) {
+            return ( $inclParam ) ? $this->due : $this->due['value'];
+        }
         break;
       case 'DURATION':
-        if( !isset( $this->duration['value'] )) return FALSE;
+        if( !isset( $this->duration['value'] )) {
+            return FALSE;
+        }
         $value = ( $specform ) ? $this->duration2date() : $this->duration['value'];
         return ( $inclParam ) ? array( 'value' => $value, 'params' =>  $this->duration['params'] ) : $value;
         break;
       case 'EXDATE':
-        if( !isset( $this->exdate[$propix] )) return FALSE;
+        if( !isset( $this->exdate[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->exdate[$propix] : $this->exdate[$propix]['value'];
         break;
       case 'EXRULE':
-        if( !isset( $this->exrule[$propix] )) return FALSE;
+        if( !isset( $this->exrule[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->exrule[$propix] : $this->exrule[$propix]['value'];
         break;
       case 'FREEBUSY':
-        if( !isset( $this->freebusy[$propix] )) return FALSE;
+        if( !isset( $this->freebusy[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->freebusy[$propix] : $this->freebusy[$propix]['value'];
         break;
       case 'GEO':
-        if( !empty( $this->geo['value'] )) return ( $inclParam ) ? $this->geo : $this->geo['value'];
+        if( !empty( $this->geo['value'] )) {
+            return ( $inclParam ) ? $this->geo : $this->geo['value'];
+        }
         break;
       case 'LAST-MODIFIED':
-        if( !empty( $this->lastmodified['value'] )) return ( $inclParam ) ? $this->lastmodified : $this->lastmodified['value'];
+        if( !empty( $this->lastmodified['value'] )) {
+            return ( $inclParam ) ? $this->lastmodified : $this->lastmodified['value'];
+        }
         break;
       case 'LOCATION':
-        if( !empty( $this->location['value'] )) return ( $inclParam ) ? $this->location : $this->location['value'];
+        if( !empty( $this->location['value'] )) {
+            return ( $inclParam ) ? $this->location : $this->location['value'];
+        }
         break;
       case 'ORGANIZER':
-        if( !empty( $this->organizer['value'] )) return ( $inclParam ) ? $this->organizer : $this->organizer['value'];
+        if( !empty( $this->organizer['value'] )) {
+            return ( $inclParam ) ? $this->organizer : $this->organizer['value'];
+        }
         break;
       case 'PERCENT-COMPLETE':
-        if( !empty( $this->percentcomplete['value'] )) return ( $inclParam ) ? $this->percentcomplete : $this->percentcomplete['value'];
+        if( !empty( $this->percentcomplete['value'] )) {
+            return ( $inclParam ) ? $this->percentcomplete : $this->percentcomplete['value'];
+        }
         break;
       case 'PRIORITY':
-        if( !empty( $this->priority['value'] )) return ( $inclParam ) ? $this->priority : $this->priority['value'];
+        if( !empty( $this->priority['value'] )) {
+            return ( $inclParam ) ? $this->priority : $this->priority['value'];
+        }
         break;
       case 'RDATE':
-        if( !isset( $this->rdate[$propix] )) return FALSE;
+        if( !isset( $this->rdate[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->rdate[$propix] : $this->rdate[$propix]['value'];
         break;
       case 'RECURRENCE-ID':
-        if( !empty( $this->recurrenceid['value'] )) return ( $inclParam ) ? $this->recurrenceid : $this->recurrenceid['value'];
+        if( !empty( $this->recurrenceid['value'] )) {
+            return ( $inclParam ) ? $this->recurrenceid : $this->recurrenceid['value'];
+        }
         break;
       case 'RELATED-TO':
-        if( !isset( $this->relatedto[$propix] )) return FALSE;
+        if( !isset( $this->relatedto[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->relatedto[$propix] : $this->relatedto[$propix]['value'];
         break;
       case 'REPEAT':
-        if( !empty( $this->repeat['value'] )) return ( $inclParam ) ? $this->repeat : $this->repeat['value'];
+        if( !empty( $this->repeat['value'] )) {
+            return ( $inclParam ) ? $this->repeat : $this->repeat['value'];
+        }
         break;
       case 'REQUEST-STATUS':
-        if( !isset( $this->requeststatus[$propix] )) return FALSE;
+        if( !isset( $this->requeststatus[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->requeststatus[$propix] : $this->requeststatus[$propix]['value'];
         break;
       case 'RESOURCES':
-        if( !isset( $this->resources[$propix] )) return FALSE;
+        if( !isset( $this->resources[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->resources[$propix] : $this->resources[$propix]['value'];
         break;
       case 'RRULE':
-        if( !isset( $this->rrule[$propix] )) return FALSE;
+        if( !isset( $this->rrule[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->rrule[$propix] : $this->rrule[$propix]['value'];
         break;
       case 'SEQUENCE':
-        if( !empty( $this->sequence['value'] )) return ( $inclParam ) ? $this->sequence : $this->sequence['value'];
+        if( !empty( $this->sequence['value'] )) {
+            return ( $inclParam ) ? $this->sequence : $this->sequence['value'];
+        }
         break;
       case 'STATUS':
-        if( !empty( $this->status['value'] )) return ( $inclParam ) ? $this->status : $this->status['value'];
+        if( !empty( $this->status['value'] )) {
+            return ( $inclParam ) ? $this->status : $this->status['value'];
+        }
         break;
       case 'SUMMARY':
-        if( !empty( $this->summary['value'] )) return ( $inclParam ) ? $this->summary : $this->summary['value'];
+        if( !empty( $this->summary['value'] )) {
+            return ( $inclParam ) ? $this->summary : $this->summary['value'];
+        }
         break;
       case 'TRANSP':
-        if( !empty( $this->transp['value'] )) return ( $inclParam ) ? $this->transp : $this->transp['value'];
+        if( !empty( $this->transp['value'] )) {
+            return ( $inclParam ) ? $this->transp : $this->transp['value'];
+        }
         break;
       case 'TRIGGER':
-        if( !empty( $this->trigger['value'] )) return ( $inclParam ) ? $this->trigger : $this->trigger['value'];
+        if( !empty( $this->trigger['value'] )) {
+            return ( $inclParam ) ? $this->trigger : $this->trigger['value'];
+        }
         break;
       case 'TZID':
-        if( !empty( $this->tzid['value'] )) return ( $inclParam ) ? $this->tzid : $this->tzid['value'];
+        if( !empty( $this->tzid['value'] )) {
+            return ( $inclParam ) ? $this->tzid : $this->tzid['value'];
+        }
         break;
       case 'TZNAME':
-        if( !isset( $this->tzname[$propix] )) return FALSE;
+        if( !isset( $this->tzname[$propix] )) {
+            return FALSE;
+        }
         return ( $inclParam ) ? $this->tzname[$propix] : $this->tzname[$propix]['value'];
         break;
       case 'TZOFFSETFROM':
-        if( !empty( $this->tzoffsetfrom['value'] )) return ( $inclParam ) ? $this->tzoffsetfrom : $this->tzoffsetfrom['value'];
+        if( !empty( $this->tzoffsetfrom['value'] )) {
+            return ( $inclParam ) ? $this->tzoffsetfrom : $this->tzoffsetfrom['value'];
+        }
         break;
       case 'TZOFFSETTO':
-        if( !empty( $this->tzoffsetto['value'] )) return ( $inclParam ) ? $this->tzoffsetto : $this->tzoffsetto['value'];
+        if( !empty( $this->tzoffsetto['value'] )) {
+            return ( $inclParam ) ? $this->tzoffsetto : $this->tzoffsetto['value'];
+        }
         break;
       case 'TZURL':
-        if( !empty( $this->tzurl['value'] )) return ( $inclParam ) ? $this->tzurl : $this->tzurl['value'];
+        if( !empty( $this->tzurl['value'] )) {
+            return ( $inclParam ) ? $this->tzurl : $this->tzurl['value'];
+        }
         break;
       case 'UID':
-        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' )))
-          return FALSE;
-        if( empty( $this->uid['value'] ))
-          $this->_makeuid();
+        if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) {
+                  return FALSE;
+        }
+        if( empty( $this->uid['value'] )) {
+                  $this->_makeuid();
+        }
         return ( $inclParam ) ? $this->uid : $this->uid['value'];
         break;
       case 'URL':
-        if( !empty( $this->url['value'] )) return ( $inclParam ) ? $this->url : $this->url['value'];
+        if( !empty( $this->url['value'] )) {
+            return ( $inclParam ) ? $this->url : $this->url['value'];
+        }
         break;
       default:
         if( $propName != 'X-PROP' ) {
-          if( !isset( $this->xprop[$propName] )) return FALSE;
+          if( !isset( $this->xprop[$propName] )) {
+              return FALSE;
+          }
           return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
                                 : array( $propName, $this->xprop[$propName]['value'] );
-        }
-        else {
-          if( empty( $this->xprop )) return FALSE;
+        } else {
+          if( empty( $this->xprop )) {
+              return FALSE;
+          }
           $xpropno = 0;
           foreach( $this->xprop as $xpropkey => $xpropvalue ) {
-            if( $propix == $xpropno )
-              return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
+            if( $propix == $xpropno ) {
+                          return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
                                     : array( $xpropkey, $this->xprop[$xpropkey]['value'] );
-            else
-              $xpropno++;
+            } else {
+                          $xpropno++;
+            }
           }
           return FALSE; // not found ??
         }
@@ -6167,15 +7046,21 @@ 
  */
   function setProperty() {
     $numargs    = func_num_args();
-    if( 1 > $numargs ) return FALSE;
+    if( 1 > $numargs ) {
+        return FALSE;
+    }
     $arglist    = func_get_args();
-    if( $this->_notExistProp( $arglist[0] )) return FALSE;
-    if( !$this->getConfig( 'allowEmpty' ) && ( !isset( $arglist[1] ) || empty( $arglist[1] )))
-      return FALSE;
+    if( $this->_notExistProp( $arglist[0] )) {
+        return FALSE;
+    }
+    if( !$this->getConfig( 'allowEmpty' ) && ( !isset( $arglist[1] ) || empty( $arglist[1] ))) {
+          return FALSE;
+    }
     $arglist[0] = strtoupper( $arglist[0] );
     for( $argix=$numargs; $argix < 12; $argix++ ) {
-      if( !isset( $arglist[$argix] ))
-        $arglist[$argix] = null;
+      if( !isset( $arglist[$argix] )) {
+              $arglist[$argix] = null;
+      }
     }
     switch( $arglist[0] ) {
       case 'ACTION':
@@ -6289,20 +7174,19 @@ 
             $this->setComponent( $comp );
             $comp =  & $this;
             continue;
-          }
-          elseif( 'BEGIN:VALARM' == strtoupper( substr( $line, 0, 12 ))) {
+          } elseif( 'BEGIN:VALARM' == strtoupper( substr( $line, 0, 12 ))) {
             $comp = new valarm();
             continue;
+          } else {
+                      $comp->unparsed[] = $line;
           }
-          else
-            $comp->unparsed[] = $line;
         }
+      } else {
+              $this->unparsed = array( trim( $unparsedtext ));
       }
-      else
-        $this->unparsed = array( trim( $unparsedtext ));
+    } elseif( !isset( $this->unparsed )) {
+          $this->unparsed = array();
     }
-    elseif( !isset( $this->unparsed ))
-      $this->unparsed = array();
             /* concatenate property values spread over several lines */
     $lastix    = -1;
     $propnames = array( 'action', 'attach', 'attendee', 'categories', 'comment', 'completed'
@@ -6326,8 +7210,7 @@ 
         $newProp = FALSE;
         $lastix++;
         $proprows[$lastix]  = $line;
-      }
-      else {
+      } else {
             /* remove line breaks */
         if(( '\n' == substr( $proprows[$lastix], -2 )) &&
            (  ' ' == substr( $line, 0, 1 ))) {
@@ -6340,14 +7223,15 @@ 
             /* parse each property 'line' */
     foreach( $proprows as $line ) {
       $line = str_replace( "\n ", '', $line );
-      if( '\n' == substr( $line, -2 ))
-        $line = substr( $line, 0, strlen( $line ) - 2 );
+      if( '\n' == substr( $line, -2 )) {
+              $line = substr( $line, 0, strlen( $line ) - 2 );
+      }
             /* get propname, (problem with x-properties, otherwise in previous loop) */
       $cix = $propname = null;
       for( $cix=0; $cix < strlen( $line ); $cix++ ) {
-        if( in_array( $line{$cix}, array( ':', ';' )))
-          break;
-        else {
+        if( in_array( $line{$cix}, array( ':', ';' ))) {
+                  break;
+        } else {
           $propname .= $line{$cix};
         }
       }
@@ -6380,27 +7264,30 @@ 
             break;
           }
         }
-        if( ';' == $line{$cix} )
-          $attr[++$attrix] = null;
-        else
-          $attr[$attrix] .= $line{$cix};
+        if( ';' == $line{$cix} ) {
+                  $attr[++$attrix] = null;
+        } else {
+                  $attr[$attrix] .= $line{$cix};
+        }
       }
             /* make attributes in array format */
       $propattr = array();
       foreach( $attr as $attribute ) {
         $attrsplit = explode( '=', $attribute, 2 );
-        if( 1 < count( $attrsplit ))
-          $propattr[$attrsplit[0]] = $attrsplit[1];
-        else
-          $propattr[] = $attribute;
+        if( 1 < count( $attrsplit )) {
+                  $propattr[$attrsplit[0]] = $attrsplit[1];
+        } else {
+                  $propattr[] = $attribute;
+        }
       }
             /* call setProperty( $propname.. . */
       switch( $propname ) {
         case 'ATTENDEE':
           foreach( $propattr as $pix => $attr ) {
             $attr2 = explode( ',', $attr );
-              if( 1 < count( $attr2 ))
-                $propattr[$pix] = $attr2;
+              if( 1 < count( $attr2 )) {
+                              $propattr[$pix] = $attr2;
+              }
           }
           $this->setProperty( $propname, $line, $propattr );
           break;
@@ -6418,13 +7305,14 @@ 
             }
             if( 1 < count( $content )) {
               $content = array_values( $content );
-              foreach( $content as $cix => $contentPart )
-                $content[$cix] = $this->_strunrep( $contentPart );
+              foreach( $content as $cix => $contentPart ) {
+                              $content[$cix] = $this->_strunrep( $contentPart );
+              }
               $this->setProperty( $propname, $content, $propattr );
               break;
+            } else {
+                          $line = reset( $content );
             }
-            else
-              $line = reset( $content );
           }
         case 'X-':
           $propname = ( isset( $propname2 )) ? $propname2 : $propname;
@@ -6433,8 +7321,9 @@ 
         case 'DESCRIPTION':
         case 'LOCATION':
         case 'SUMMARY':
-          if( empty( $line ))
-            $propattr = null;
+          if( empty( $line )) {
+                      $propattr = null;
+          }
           $this->setProperty( $propname, $this->_strunrep( $line ), $propattr );
           unset( $propname2 );
           break;
@@ -6454,15 +7343,17 @@ 
           $values = explode( ',', $line );
           foreach( $values as $vix => $value ) {
             $value2 = explode( '/', $value );
-            if( 1 < count( $value2 ))
-              $values[$vix] = $value2;
+            if( 1 < count( $value2 )) {
+                          $values[$vix] = $value2;
+            }
           }
           $this->setProperty( $propname, $fbtype, $values, $propattr );
           break;
         case 'GEO':
           $value = explode( ';', $line, 2 );
-          if( 2 > count( $value ))
-            $value[1] = null;
+          if( 2 > count( $value )) {
+                      $value[1] = null;
+          }
           $this->setProperty( $propname, $value[0], $value[1], $propattr );
           break;
         case 'EXDATE':
@@ -6477,8 +7368,9 @@ 
           $values = explode( ',', $line );
           foreach( $values as $vix => $value ) {
             $value2 = explode( '/', $value );
-            if( 1 < count( $value2 ))
-              $values[$vix] = $value2;
+            if( 1 < count( $value2 )) {
+                          $values[$vix] = $value2;
+            }
           }
           $this->setProperty( $propname, $values, $propattr );
           break;
@@ -6487,8 +7379,10 @@ 
           $values = explode( ';', $line );
           $recur = array();
           foreach( $values as $value2 ) {
-            if( empty( $value2 ))
-              continue; // ;-char in ending position ???
+            if( empty( $value2 )) {
+                          continue;
+            }
+            // ;-char in ending position ???
             $value3 = explode( '=', $value2, 2 );
             $rulelabel = strtoupper( $value3[0] );
             switch( $rulelabel ) {
@@ -6502,38 +7396,44 @@ 
                     if(( ctype_alpha( substr( $value5, -1 ))) &&
                        ( ctype_alpha( substr( $value5, -2, 1 )))) {
                       $dayname = substr( $value5, -2, 2 );
-                      if( 2 < strlen( $value5 ))
-                        $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                      if( 2 < strlen( $value5 )) {
+                                              $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                      }
+                    }
+                    if( $dayno ) {
+                                          $value6[] = $dayno;
+                    }
+                    if( $dayname ) {
+                                          $value6['DAY'] = $dayname;
                     }
-                    if( $dayno )
-                      $value6[] = $dayno;
-                    if( $dayname )
-                      $value6['DAY'] = $dayname;
                     $value4[$v5ix] = $value6;
                   }
-                }
-                else {
+                } else {
                   $value4 = array();
                   $dayno  = $dayname = null;
                   $value5 = trim( (string) $value3[1] );
                   if(( ctype_alpha( substr( $value5, -1 ))) &&
                      ( ctype_alpha( substr( $value5, -2, 1 )))) {
                       $dayname = substr( $value5, -2, 2 );
-                    if( 2 < strlen( $value5 ))
-                      $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                    if( 2 < strlen( $value5 )) {
+                                          $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 ));
+                    }
+                  }
+                  if( $dayno ) {
+                                      $value4[] = $dayno;
+                  }
+                  if( $dayname ) {
+                                      $value4['DAY'] = $dayname;
                   }
-                  if( $dayno )
-                    $value4[] = $dayno;
-                  if( $dayname )
-                    $value4['DAY'] = $dayname;
                 }
                 $recur[$rulelabel] = $value4;
                 break;
               }
               default: {
                 $value4 = explode( ',', $value3[1] );
-                if( 1 < count( $value4 ))
-                  $value3[1] = $value4;
+                if( 1 < count( $value4 )) {
+                                  $value3[1] = $value4;
+                }
                 $recur[$rulelabel] = $value3[1];
                 break;
               }
@@ -6549,8 +7449,9 @@ 
     unset( $this->unparsed, $proprows );
     if( isset( $this->components ) && is_array( $this->components ) && ( 0 < count( $this->components ))) {
       for( $six = 0; $six < count( $this->components ); $six++ ) {
-        if( !empty( $this->components[$six]->unparsed ))
-          $this->components[$six]->parse();
+        if( !empty( $this->components[$six]->unparsed )) {
+                  $this->components[$six]->parse();
+        }
       }
     }
   }
@@ -6581,32 +7482,33 @@ 
  * @return void
  */
   function deleteComponent( $arg1, $arg2=FALSE  ) {
-    if( !isset( $this->components )) return FALSE;
+    if( !isset( $this->components )) {
+        return FALSE;
+    }
     $argType = $index = null;
     if ( ctype_digit( (string) $arg1 )) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
-    }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
+    } elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
       $argType = strtolower( $arg1 );
       $index   = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
     }
     $cix2dC = 0;
     foreach ( $this->components as $cix => $component) {
-      if( empty( $component )) continue;
+      if( empty( $component )) {
+          continue;
+      }
       unset( $component->propix );
       if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         unset( $this->components[$cix] );
         return TRUE;
-      }
-      elseif( $argType == $component->objName ) {
+      } elseif( $argType == $component->objName ) {
         if( $index == $cix2dC ) {
           unset( $this->components[$cix] );
           return TRUE;
         }
         $cix2dC++;
-      }
-      elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
+      } elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
         unset( $this->components[$cix] );
         return TRUE;
       }
@@ -6623,43 +7525,47 @@ 
  * @return object
  */
   function getComponent ( $arg1=FALSE, $arg2=FALSE ) {
-    if( !isset( $this->components )) return FALSE;
+    if( !isset( $this->components )) {
+        return FALSE;
+    }
     $index = $argType = null;
     if ( !$arg1 ) {
       $argType = 'INDEX';
       $index   = $this->compix['INDEX'] =
         ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
-    }
-    elseif ( ctype_digit( (string) $arg1 )) {
+    } elseif ( ctype_digit( (string) $arg1 )) {
       $argType = 'INDEX';
       $index   = (int) $arg1;
       unset( $this->compix );
-    }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
+    } elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
       unset( $this->compix['INDEX'] );
       $argType = strtolower( $arg1 );
-      if( !$arg2 )
-        $index = $this->compix[$argType] =
+      if( !$arg2 ) {
+              $index = $this->compix[$argType] =
         ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
-      else
-        $index = (int) $arg2;
+      } else {
+              $index = (int) $arg2;
+      }
     }
     $index  -= 1;
     $ckeys = array_keys( $this->components );
-    if( !empty( $index) && ( $index > end( $ckeys )))
-      return FALSE;
+    if( !empty( $index) && ( $index > end( $ckeys ))) {
+          return FALSE;
+    }
     $cix2gC = 0;
     foreach( $this->components as $cix => $component ) {
-      if( empty( $component )) continue;
+      if( empty( $component )) {
+          continue;
+      }
       unset( $component->propix );
-      if(( 'INDEX' == $argType ) && ( $index == $cix ))
-        return $component->copy();
-      elseif( $argType == $component->objName ) {
-         if( $index == $cix2gC )
-           return $component->copy();
+      if(( 'INDEX' == $argType ) && ( $index == $cix )) {
+              return $component->copy();
+      } elseif( $argType == $component->objName ) {
+         if( $index == $cix2gC ) {
+                    return $component->copy();
+         }
          $cix2gC++;
-      }
-      elseif( !$argType && ( $arg1 == $component->getProperty( 'uid' ))) {
+      } elseif( !$argType && ( $arg1 == $component->getProperty( 'uid' ))) {
         unset( $component->propix );
         return $component->copy();
       }
@@ -6690,9 +7596,12 @@ 
  * @return bool
  */
   function setComponent( $component, $arg1=FALSE, $arg2=FALSE  ) {
-    if( !isset( $this->components )) return FALSE;
-    if( '' >= $component->getConfig( 'language'))
-      $component->setConfig( 'language',  $this->getConfig( 'language' ));
+    if( !isset( $this->components )) {
+        return FALSE;
+    }
+    if( '' >= $component->getConfig( 'language')) {
+          $component->setConfig( 'language',  $this->getConfig( 'language' ));
+    }
     $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
     $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
     $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
@@ -6711,27 +7620,26 @@ 
     if ( ctype_digit( (string) $arg1 )) {
       $argType = 'INDEX';
       $index   = (int) $arg1 - 1;
-    }
-    elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
+    } elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
       $argType = strtolower( $arg1 );
       $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0;
     }
     $cix2sC = 0;
     foreach ( $this->components as $cix => $component2 ) {
-      if( empty( $component2 )) continue;
+      if( empty( $component2 )) {
+          continue;
+      }
       unset( $component2->propix );
       if(( 'INDEX' == $argType ) && ( $index == $cix )) {
         $this->components[$cix] = $component->copy();
         return TRUE;
-      }
-      elseif( $argType == $component2->objName ) {
+      } elseif( $argType == $component2->objName ) {
         if( $index == $cix2sC ) {
           $this->components[$cix] = $component->copy();
           return TRUE;
         }
         $cix2sC++;
-      }
-      elseif( !$argType && ($arg1 == $component2->getProperty( 'uid' ))) {
+      } elseif( !$argType && ($arg1 == $component2->getProperty( 'uid' ))) {
         $this->components[$cix] = $component->copy();
         return TRUE;
       }
@@ -6750,9 +7658,12 @@ 
   function createSubComponent() {
     $output = null;
     foreach( $this->components as $component ) {
-      if( empty( $component )) continue;
-      if( '' >= $component->getConfig( 'language'))
-        $component->setConfig( 'language',  $this->getConfig( 'language' ));
+      if( empty( $component )) {
+          continue;
+      }
+      if( '' >= $component->getConfig( 'language')) {
+              $component->setConfig( 'language',  $this->getConfig( 'language' ));
+      }
       $component->setConfig( 'allowEmpty',  $this->getConfig( 'allowEmpty' ));
       $component->setConfig( 'nl',          $this->getConfig( 'nl' ));
       $component->setConfig( 'unique_id',   $this->getConfig( 'unique_id' ));
@@ -6790,16 +7701,18 @@ 
     $string = null;
     while( $strlen > 75 ) {
        $breakAtChar = 75;
-       if( substr( $tmp, ( $breakAtChar - 1 ), strlen( '\n' )) == '\n' )
-         $breakAtChar = $breakAtChar - 1;
+       if( substr( $tmp, ( $breakAtChar - 1 ), strlen( '\n' )) == '\n' ) {
+                $breakAtChar = $breakAtChar - 1;
+       }
        $string .= substr( $tmp, 0, $breakAtChar );
        $string .= $this->nl;
        $tmp     = ' '.substr( $tmp, $breakAtChar );
        $strlen  = strlen( $tmp );
     } // while
     $string .= rtrim( $tmp ); // the rest
-    if( $this->nl != substr( $string, ( 0 - strlen( $this->nl ))))
-      $string .= $this->nl;
+    if( $this->nl != substr( $string, ( 0 - strlen( $this->nl )))) {
+          $string .= $this->nl;
+    }
     return $string;
   }
 /**
@@ -6820,27 +7733,33 @@ 
         $pos = 0;
         while( $pos <= strlen( $string )) {
           $pos = strpos( $string, "\\", $pos );
-          if( FALSE === $pos )
-            break;
+          if( FALSE === $pos ) {
+                      break;
+          }
           if( !in_array( $string{($pos + 1)}, array( 'n', 'N', 'r', ',', ';' ))) {
             $string = substr( $string, 0, $pos )."\\".substr( $string, ( $pos + 1 ));
             $pos += 1;
           }
           $pos += 1;
         }
-        if( FALSE !== strpos( $string, '"' ))
-          $string = str_replace('"',   "'",       $string);
-        if( FALSE !== strpos( $string, ',' ))
-          $string = str_replace(',',   '\,',      $string);
-        if( FALSE !== strpos( $string, ';' ))
-          $string = str_replace(';',   '\;',      $string);
-        if( FALSE !== strpos( $string, "\r\n" ))
-          $string = str_replace( "\r\n", '\n',    $string);
-        elseif( FALSE !== strpos( $string, "\r" ))
-          $string = str_replace( "\r", '\n',      $string);
-        if( FALSE !== strpos( $string, '\N' ))
-          $string = str_replace( '\N', '\n',      $string);
-//        if( FALSE !== strpos( $string, $this->nl ))
+        if( FALSE !== strpos( $string, '"' )) {
+                  $string = str_replace('"',   "'",       $string);
+        }
+        if( FALSE !== strpos( $string, ',' )) {
+                  $string = str_replace(',',   '\,',      $string);
+        }
+        if( FALSE !== strpos( $string, ';' )) {
+                  $string = str_replace(';',   '\;',      $string);
+        }
+        if( FALSE !== strpos( $string, "\r\n" )) {
+                  $string = str_replace( "\r\n", '\n',    $string);
+        } elseif( FALSE !== strpos( $string, "\r" )) {
+                  $string = str_replace( "\r", '\n',      $string);
+        }
+        if( FALSE !== strpos( $string, '\N' )) {
+                  $string = str_replace( '\N', '\n',      $string);
+        }
+        //        if( FALSE !== strpos( $string, $this->nl ))
           $string = str_replace( $this->nl, '\n', $string);
         break;
     }
@@ -6993,8 +7912,9 @@ 
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
-        $xcaldecl[] = $localxcaldecl;
+      foreach( $this->xcaldecl as $localxcaldecl ) {
+              $xcaldecl[] = $localxcaldecl;
+      }
     }
     return $component;
   }
@@ -7132,8 +8052,9 @@ 
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
-        $xcaldecl[] = $localxcaldecl;
+      foreach( $this->xcaldecl as $localxcaldecl ) {
+              $xcaldecl[] = $localxcaldecl;
+      }
     }
     return $component;
   }
@@ -7242,8 +8163,9 @@ 
     $component .= $this->createXprop();
     $component .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
-        $xcaldecl[] = $localxcaldecl;
+      foreach( $this->xcaldecl as $localxcaldecl ) {
+              $xcaldecl[] = $localxcaldecl;
+      }
     }
     return $component;
   }
@@ -7318,8 +8240,9 @@ 
     $component .= $this->createXprop();
     $component .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
-        $xcaldecl[] = $localxcaldecl;
+      foreach( $this->xcaldecl as $localxcaldecl ) {
+              $xcaldecl[] = $localxcaldecl;
+      }
     }
     return $component;
   }
@@ -7419,10 +8342,11 @@ 
  * @return void
  */
   function vtimezone( $timezonetype=FALSE ) {
-    if( !$timezonetype )
-      $this->timezonetype = 'VTIMEZONE';
-    else
-      $this->timezonetype = strtoupper( $timezonetype );
+    if( !$timezonetype ) {
+          $this->timezonetype = 'VTIMEZONE';
+    } else {
+          $this->timezonetype = strtoupper( $timezonetype );
+    }
     $this->calendarComponent();
 
     $this->comment         = '';
@@ -7464,8 +8388,9 @@ 
     $component    .= $this->createSubComponent();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) {
-      foreach( $this->xcaldecl as $localxcaldecl )
-        $xcaldecl[] = $localxcaldecl;
+      foreach( $this->xcaldecl as $localxcaldecl ) {
+              $xcaldecl[] = $localxcaldecl;
+      }
     }
     return $component;
   }

main/inc/lib/image.lib.php

Doc Comments +19 added lines

@@ -52,6 +52,9 @@ 
         }
     }
     
+    /**
+     * @param string|null $cropParameters
+     */
     public function crop($cropParameters) {
         $image_size = $this->get_image_size($this->image_wrapper->path);
         $src_width = $image_size['width'];
@@ -66,6 +69,9 @@ 
         return $image;
     }
 
+    /**
+     * @param string $convert_file_to
+     */
     public function send_image(
         $file = '',
         $compress = -1,
@@ -147,6 +153,9 @@ 
     public $image;
     public $filter = Imagick::FILTER_LANCZOS;
 
+    /**
+     * @param string $path
+     */
     public function __construct($path)
     {
           parent::__construct($path);
@@ -194,6 +203,10 @@ 
 	}
 
 	//@todo implement border logic case for Imagick
+
+	/**
+	 * @param integer $border
+	 */
 	public function resize($thumbw, $thumbh, $border, $specific_size = false)
     {
 	    if (!$this->image_validated) return false;
@@ -275,6 +288,9 @@ 
 {
     public $bg;
 
+    /**
+     * @param string $path
+     */
     function __construct($path) {
         parent::__construct($path);
     }
@@ -332,6 +348,9 @@ 
     	}
     }
 
+    /**
+     * @param integer $border
+     */
     public function resize($thumbw, $thumbh, $border, $specific_size = false)
     {
         if (!$this->image_validated) return false;

Indentation +120 added lines, -120 removed lines

@@ -47,7 +47,7 @@ 
             if ($height >= $max_size_for_picture) {
                 // scale width
                 $new_width = round($width * ($max_size_for_picture / $height));
-                 $this->image_wrapper->resize($new_width, $max_size_for_picture, 0);
+                    $this->image_wrapper->resize($new_width, $max_size_for_picture, 0);
             }
         }
     }
@@ -149,7 +149,7 @@ 
 
     public function __construct($path)
     {
-          parent::__construct($path);
+            parent::__construct($path);
     }
 
     public function set_image_wrapper()
@@ -184,19 +184,19 @@ 
         }
     }
 
-	public function get_image_size()
+    public function get_image_size()
     {
-		$imagesize = array('width'=>0,'height'=>0);
-	    if ($this->image_validated) {
+        $imagesize = array('width'=>0,'height'=>0);
+        if ($this->image_validated) {
             $imagesize = $this->image->getImageGeometry();
-	    }
-	    return $imagesize;
-	}
+        }
+        return $imagesize;
+    }
 
-	//@todo implement border logic case for Imagick
-	public function resize($thumbw, $thumbh, $border, $specific_size = false)
+    //@todo implement border logic case for Imagick
+    public function resize($thumbw, $thumbh, $border, $specific_size = false)
     {
-	    if (!$this->image_validated) return false;
+        if (!$this->image_validated) return false;
 
         if ($specific_size) {
             $width = $thumbw;
@@ -206,10 +206,10 @@ 
             $width  = (int)($this->width * $scale);
             $height = (int)($this->height * $scale);
         }
-		$result = $this->image->resizeImage($width, $height, $this->filter, 1);
-		$this->width  = $thumbw;
-		$this->height = $thumbh;
-	}
+        $result = $this->image->resizeImage($width, $height, $this->filter, 1);
+        $this->width  = $thumbw;
+        $this->height = $thumbh;
+    }
     
     /**
      * @author José Loguercio <jose.loguercio@beeznest.com>
@@ -224,8 +224,8 @@ 
     public function crop($x, $y, $width, $height, $src_width, $src_height) {
         if (!$this->image_validated) return false;
         $this->image->cropimage($width, $height, $x, $y);
-		$this->width  = $width;
-		$this->height = $height;
+        $this->width  = $width;
+        $this->height = $height;
     }
 
     public function send_image($file = '', $compress = -1, $convert_file_to = null)
@@ -235,35 +235,35 @@ 
         if (!empty($convert_file_to) && in_array($convert_file_to, $this->allowed_extensions)) {
             $type = $convert_file_to;
         }
-		switch ($type) {
-		    case 'jpeg':
-			case 'jpg':
-				if (!$file) header("Content-type: image/jpeg");
-				break;
-			case 'png':
-				if (!$file) header("Content-type: image/png");
-				break;
-			case 'gif':
-				if (!$file) header("Content-type: image/gif");
-				break;
-		}
-		$result = false;
-		try {
-		    $result = $this->image->writeImage($file);
-		} catch(ImagickException $e) {
+        switch ($type) {
+            case 'jpeg':
+            case 'jpg':
+                if (!$file) header("Content-type: image/jpeg");
+                break;
+            case 'png':
+                if (!$file) header("Content-type: image/png");
+                break;
+            case 'gif':
+                if (!$file) header("Content-type: image/gif");
+                break;
+        }
+        $result = false;
+        try {
+            $result = $this->image->writeImage($file);
+        } catch(ImagickException $e) {
             if ($this->debug) error_log($e->getMessage());
         }
 
-		if (!$file) {
-		    echo $this->image;
-		    $this->image->clear();
+        if (!$file) {
+            echo $this->image;
+            $this->image->clear();
             $this->image->destroy();
-		} else {
-		    $this->image->clear();
+        } else {
+            $this->image->clear();
             $this->image->destroy();
-		    return $result;
-		}
-	}
+            return $result;
+        }
+    }
 
 }
 
@@ -285,21 +285,21 @@ 
         $this->fill_image_info();
 
         switch ($this->type) {
-        	case 0:
-        		$handler = false;
-        		break;
-		    case 1 :
+            case 0:
+                $handler = false;
+                break;
+            case 1 :
                 $handler = @imagecreatefromgif($this->path);
                 $this->type = 'gif';
                 break;
-		    case 2 :
+            case 2 :
                 $handler = @imagecreatefromjpeg($this->path);
                 $this->type = 'jpg';
                 break;
-		    case 3 :
-		        $handler = @imagecreatefrompng($this->path);
-		        $this->type = 'png';
-		        break;
+            case 3 :
+                $handler = @imagecreatefrompng($this->path);
+                $this->type = 'png';
+                break;
         }
         if ($handler) {
             $this->image_validated = true;
@@ -313,29 +313,29 @@ 
     {
         $return_array = array('width'=>0,'height'=>0);
         if ($this->image_validated) {
-	        $return_array = array('width'=>$this->width,'height'=>$this->height);
+            $return_array = array('width'=>$this->width,'height'=>$this->height);
         }
         return $return_array;
-	}
+    }
 
     public function fill_image_info()
     {
-    	if (file_exists($this->path)) {
-	        $image_info     = getimagesize($this->path);
-			$this->width    = $image_info[0];
-			$this->height   = $image_info[1];
-			$this->type     = $image_info[2];
-    	} else {
-    		$this->width    = 0;
-    		$this->height   = 0;
-    		$this->type     = 0;
-    	}
+        if (file_exists($this->path)) {
+            $image_info     = getimagesize($this->path);
+            $this->width    = $image_info[0];
+            $this->height   = $image_info[1];
+            $this->type     = $image_info[2];
+        } else {
+            $this->width    = 0;
+            $this->height   = 0;
+            $this->type     = 0;
+        }
     }
 
     public function resize($thumbw, $thumbh, $border, $specific_size = false)
     {
         if (!$this->image_validated) return false;
-		if ($border == 1) {
+        if ($border == 1) {
             if ($specific_size) {
                 $width = $thumbw;
                 $height = $thumbh;
@@ -344,17 +344,17 @@ 
                 $width = (int)($this->width * $scale);
                 $height = (int)($this->height * $scale);
             }
-			$deltaw = (int)(($thumbw - $width) / 2);
-			$deltah = (int)(($thumbh - $height) / 2);
-			$dst_img = @ImageCreateTrueColor($thumbw, $thumbh);
-            		@imagealphablending($dst_img, false);
-		        @imagesavealpha($dst_img, true);
-			if (!empty($this->color)) {
-				@imagefill($dst_img, 0, 0, $this->color);
-			}
-			$this->width = $thumbw;
-			$this->height = $thumbh;
-		} elseif ($border == 0) {
+            $deltaw = (int)(($thumbw - $width) / 2);
+            $deltah = (int)(($thumbh - $height) / 2);
+            $dst_img = @ImageCreateTrueColor($thumbw, $thumbh);
+                    @imagealphablending($dst_img, false);
+                @imagesavealpha($dst_img, true);
+            if (!empty($this->color)) {
+                @imagefill($dst_img, 0, 0, $this->color);
+            }
+            $this->width = $thumbw;
+            $this->height = $thumbh;
+        } elseif ($border == 0) {
             if ($specific_size) {
                 $width = $thumbw;
                 $height = $thumbh;
@@ -363,19 +363,19 @@ 
                 $width  = (int)($this->width * $scale);
                 $height = (int)($this->height * $scale);
             }
-			$deltaw = 0;
-			$deltah = 0;
-			$dst_img = @ImageCreateTrueColor($width, $height);
-            		@imagealphablending($dst_img, false);
-		        @imagesavealpha($dst_img, true);
-			$this->width = $width;
-			$this->height = $height;
-		}
-		$src_img = $this->bg;
-		@ImageCopyResampled($dst_img, $src_img, $deltaw, $deltah, 0, 0, $width, $height, ImageSX($src_img), ImageSY($src_img));
-		$this->bg = $dst_img;
-		@imagedestroy($src_img);
-	}
+            $deltaw = 0;
+            $deltah = 0;
+            $dst_img = @ImageCreateTrueColor($width, $height);
+                    @imagealphablending($dst_img, false);
+                @imagesavealpha($dst_img, true);
+            $this->width = $width;
+            $this->height = $height;
+        }
+        $src_img = $this->bg;
+        @ImageCopyResampled($dst_img, $src_img, $deltaw, $deltah, 0, 0, $width, $height, ImageSX($src_img), ImageSY($src_img));
+        $this->bg = $dst_img;
+        @imagedestroy($src_img);
+    }
     
     /**
      * @author José Loguercio <jose.loguercio@beeznest.com>
@@ -389,7 +389,7 @@ 
     public function crop($x, $y, $width, $height, $src_width, $src_height) {
         if (!$this->image_validated) return false;
         $this->width = $width;
-		$this->height = $height;
+        $this->height = $height;
         $src = null;
         $dest = @imagecreatetruecolor($width, $height);
         $type = $this->type;
@@ -400,56 +400,56 @@ 
                 @imagecopy($dest, $src, 0, 0, $x, $y, $src_width, $src_height);
                 @imagejpeg($dest, $this->path);
                 break;
-		    case 'png' :
+            case 'png' :
                 $src = @imagecreatefrompng($this->path);
                 @imagecopy($dest, $src, 0, 0, $x, $y, $src_width, $src_height);
                 @imagepng($dest, $this->path);
                 break;
-		    case 'gif' :
-		        $src = @imagecreatefromgif($this->path);
+            case 'gif' :
+                $src = @imagecreatefromgif($this->path);
                 @imagecopy($dest, $src, 0, 0, $x, $y, $src_width, $src_height);
                 @imagegif($dest, $this->path);
-		        break;
+                break;
             default: return 0;
         }
         @imagedestroy($dest);
         @imagedestroy($src);
     }
 
-	public function send_image($file = '', $compress = -1, $convert_file_to = null)
+    public function send_image($file = '', $compress = -1, $convert_file_to = null)
     {
-	    if (!$this->image_validated) return false;
+        if (!$this->image_validated) return false;
         $compress = (int)$compress;
         $type = $this->type;
         if (!empty($convert_file_to) && in_array($convert_file_to, $this->allowed_extensions)) {
             $type = $convert_file_to;
         }
-		switch ($type) {
-		    case 'jpeg':
-			case 'jpg':
-				if (!$file) header("Content-type: image/jpeg");
-				if ($compress == -1) $compress = 100;
-				return imagejpeg($this->bg, $file, $compress);
-				break;
-			case 'png':
-				if (!$file) header("Content-type: image/png");
-				if ($compress != -1) {
-					@imagetruecolortopalette($this->bg, true, $compress);
-				}
-				return imagepng($this->bg, $file, $compress);
-				break;
-			case 'gif':
-				if (!$file) header("Content-type: image/gif");
-				if ($compress != -1) {
-					@imagetruecolortopalette($this->bg, true, $compress);
-				}
-				return imagegif($this->bg, $file, $compress);
-				break;
-			default: return 0;
-		}
-		// TODO: Occupied memory is not released, because the following fragment of code is actually dead.
-		@imagedestroy($this->bg);
-	}
+        switch ($type) {
+            case 'jpeg':
+            case 'jpg':
+                if (!$file) header("Content-type: image/jpeg");
+                if ($compress == -1) $compress = 100;
+                return imagejpeg($this->bg, $file, $compress);
+                break;
+            case 'png':
+                if (!$file) header("Content-type: image/png");
+                if ($compress != -1) {
+                    @imagetruecolortopalette($this->bg, true, $compress);
+                }
+                return imagepng($this->bg, $file, $compress);
+                break;
+            case 'gif':
+                if (!$file) header("Content-type: image/gif");
+                if ($compress != -1) {
+                    @imagetruecolortopalette($this->bg, true, $compress);
+                }
+                return imagegif($this->bg, $file, $compress);
+                break;
+            default: return 0;
+        }
+        // TODO: Occupied memory is not released, because the following fragment of code is actually dead.
+        @imagedestroy($this->bg);
+    }
 
     /**
      * Convert image to black & white

Spacing +19 added lines, -19 removed lines

@@ -115,7 +115,7 @@ 
             return false;
         }
         $this->path = preg_match(VALID_WEB_PATH, $path) ? (api_is_internal_path($path) ? api_get_path(TO_SYS, $path) : $path) : $path;
-        $this->set_image_wrapper();  //Creates image obj
+        $this->set_image_wrapper(); //Creates image obj
     }
 
     abstract function set_image_wrapper();
@@ -157,7 +157,7 @@ 
         if ($this->debug) error_log('Image::set_image_wrapper loaded');
         try {
             if (file_exists($this->path)) {
-                $this->image     = new Imagick($this->path);
+                $this->image = new Imagick($this->path);
 
                 if ($this->image) {
                     $this->fill_image_info(); //Fills height, width and type
@@ -165,7 +165,7 @@ 
             } else {
                 if ($this->debug) error_log('Image::image does not exist');
             }
-        } catch(ImagickException $e) {
+        } catch (ImagickException $e) {
             if ($this->debug) error_log($e->getMessage());
         }
     }
@@ -186,7 +186,7 @@ 
 
 	public function get_image_size()
     {
-		$imagesize = array('width'=>0,'height'=>0);
+		$imagesize = array('width'=>0, 'height'=>0);
 	    if ($this->image_validated) {
             $imagesize = $this->image->getImageGeometry();
 	    }
@@ -203,8 +203,8 @@ 
             $height = $thumbh;
         } else {
             $scale  = ($this->width > 0 && $this->height > 0) ? min($thumbw / $this->width, $thumbh / $this->height) : 0;
-            $width  = (int)($this->width * $scale);
-            $height = (int)($this->height * $scale);
+            $width  = (int) ($this->width * $scale);
+            $height = (int) ($this->height * $scale);
         }
 		$result = $this->image->resizeImage($width, $height, $this->filter, 1);
 		$this->width  = $thumbw;
@@ -250,7 +250,7 @@ 
 		$result = false;
 		try {
 		    $result = $this->image->writeImage($file);
-		} catch(ImagickException $e) {
+		} catch (ImagickException $e) {
             if ($this->debug) error_log($e->getMessage());
         }
 
@@ -311,9 +311,9 @@ 
 
     public function get_image_size()
     {
-        $return_array = array('width'=>0,'height'=>0);
+        $return_array = array('width'=>0, 'height'=>0);
         if ($this->image_validated) {
-	        $return_array = array('width'=>$this->width,'height'=>$this->height);
+	        $return_array = array('width'=>$this->width, 'height'=>$this->height);
         }
         return $return_array;
 	}
@@ -321,7 +321,7 @@ 
     public function fill_image_info()
     {
     	if (file_exists($this->path)) {
-	        $image_info     = getimagesize($this->path);
+	        $image_info = getimagesize($this->path);
 			$this->width    = $image_info[0];
 			$this->height   = $image_info[1];
 			$this->type     = $image_info[2];
@@ -341,11 +341,11 @@ 
                 $height = $thumbh;
             } else {
                 $scale = min($thumbw / $this->width, $thumbh / $this->height);
-                $width = (int)($this->width * $scale);
-                $height = (int)($this->height * $scale);
+                $width = (int) ($this->width * $scale);
+                $height = (int) ($this->height * $scale);
             }
-			$deltaw = (int)(($thumbw - $width) / 2);
-			$deltah = (int)(($thumbh - $height) / 2);
+			$deltaw = (int) (($thumbw - $width) / 2);
+			$deltah = (int) (($thumbh - $height) / 2);
 			$dst_img = @ImageCreateTrueColor($thumbw, $thumbh);
             		@imagealphablending($dst_img, false);
 		        @imagesavealpha($dst_img, true);
@@ -360,8 +360,8 @@ 
                 $height = $thumbh;
             } else {
                 $scale = ($this->width > 0 && $this->height > 0) ? min($thumbw / $this->width, $thumbh / $this->height) : 0;
-                $width  = (int)($this->width * $scale);
-                $height = (int)($this->height * $scale);
+                $width  = (int) ($this->width * $scale);
+                $height = (int) ($this->height * $scale);
             }
 			$deltaw = 0;
 			$deltah = 0;
@@ -419,7 +419,7 @@ 
 	public function send_image($file = '', $compress = -1, $convert_file_to = null)
     {
 	    if (!$this->image_validated) return false;
-        $compress = (int)$compress;
+        $compress = (int) $compress;
         $type = $this->type;
         if (!empty($convert_file_to) && in_array($convert_file_to, $this->allowed_extensions)) {
             $type = $convert_file_to;
@@ -463,11 +463,11 @@ 
          * so that we can use black (0,0,0) as transparent, which is what
          * the image is filled with when created.
          */
-        $transparent = imagecolorallocate($dest_img, 0,0,0);
+        $transparent = imagecolorallocate($dest_img, 0, 0, 0);
         imagealphablending($dest_img, false);
         imagesavealpha($dest_img, true);
         imagecolortransparent($dest_img, $transparent);
-        imagecopy($dest_img, $this->bg, 0,0, 0, 0,imagesx($this->bg), imagesx($this->bg));
+        imagecopy($dest_img, $this->bg, 0, 0, 0, 0, imagesx($this->bg), imagesx($this->bg));
         imagefilter($dest_img, IMG_FILTER_GRAYSCALE);
         $this->bg = $dest_img;
 

Braces +57 added lines, -19 removed lines

@@ -154,7 +154,9 @@ 
 
     public function set_image_wrapper()
     {
-        if ($this->debug) error_log('Image::set_image_wrapper loaded');
+        if ($this->debug) {
+            error_log('Image::set_image_wrapper loaded');
+        }
         try {
             if (file_exists($this->path)) {
                 $this->image     = new Imagick($this->path);
@@ -163,10 +165,14 @@ 
                     $this->fill_image_info(); //Fills height, width and type
                 }
             } else {
-                if ($this->debug) error_log('Image::image does not exist');
+                if ($this->debug) {
+                    error_log('Image::image does not exist');
+                }
             }
         } catch(ImagickException $e) {
-            if ($this->debug) error_log($e->getMessage());
+            if ($this->debug) {
+                error_log($e->getMessage());
+            }
         }
     }
 
@@ -180,7 +186,9 @@ 
 
         if (in_array($this->type, $this->allowed_extensions)) {
             $this->image_validated = true;
-            if ($this->debug) error_log('image_validated true');
+            if ($this->debug) {
+                error_log('image_validated true');
+            }
         }
     }
 
@@ -196,7 +204,9 @@ 
 	//@todo implement border logic case for Imagick
 	public function resize($thumbw, $thumbh, $border, $specific_size = false)
     {
-	    if (!$this->image_validated) return false;
+	    if (!$this->image_validated) {
+	        return false;
+	    }
 
         if ($specific_size) {
             $width = $thumbw;
@@ -222,7 +232,9 @@ 
      */
     
     public function crop($x, $y, $width, $height, $src_width, $src_height) {
-        if (!$this->image_validated) return false;
+        if (!$this->image_validated) {
+            return false;
+        }
         $this->image->cropimage($width, $height, $x, $y);
 		$this->width  = $width;
 		$this->height = $height;
@@ -230,7 +242,9 @@ 
 
     public function send_image($file = '', $compress = -1, $convert_file_to = null)
     {
-        if (!$this->image_validated) return false;
+        if (!$this->image_validated) {
+            return false;
+        }
         $type = $this->type;
         if (!empty($convert_file_to) && in_array($convert_file_to, $this->allowed_extensions)) {
             $type = $convert_file_to;
@@ -238,20 +252,28 @@ 
 		switch ($type) {
 		    case 'jpeg':
 			case 'jpg':
-				if (!$file) header("Content-type: image/jpeg");
+				if (!$file) {
+				    header("Content-type: image/jpeg");
+				}
 				break;
 			case 'png':
-				if (!$file) header("Content-type: image/png");
+				if (!$file) {
+				    header("Content-type: image/png");
+				}
 				break;
 			case 'gif':
-				if (!$file) header("Content-type: image/gif");
+				if (!$file) {
+				    header("Content-type: image/gif");
+				}
 				break;
 		}
 		$result = false;
 		try {
 		    $result = $this->image->writeImage($file);
 		} catch(ImagickException $e) {
-            if ($this->debug) error_log($e->getMessage());
+            if ($this->debug) {
+                error_log($e->getMessage());
+            }
         }
 
 		if (!$file) {
@@ -334,7 +356,9 @@ 
 
     public function resize($thumbw, $thumbh, $border, $specific_size = false)
     {
-        if (!$this->image_validated) return false;
+        if (!$this->image_validated) {
+            return false;
+        }
 		if ($border == 1) {
             if ($specific_size) {
                 $width = $thumbw;
@@ -387,7 +411,9 @@ 
      * @param int $src_height the source height of the original image
      */
     public function crop($x, $y, $width, $height, $src_width, $src_height) {
-        if (!$this->image_validated) return false;
+        if (!$this->image_validated) {
+            return false;
+        }
         $this->width = $width;
 		$this->height = $height;
         $src = null;
@@ -418,7 +444,9 @@ 
 
 	public function send_image($file = '', $compress = -1, $convert_file_to = null)
     {
-	    if (!$this->image_validated) return false;
+	    if (!$this->image_validated) {
+	        return false;
+	    }
         $compress = (int)$compress;
         $type = $this->type;
         if (!empty($convert_file_to) && in_array($convert_file_to, $this->allowed_extensions)) {
@@ -427,19 +455,27 @@ 
 		switch ($type) {
 		    case 'jpeg':
 			case 'jpg':
-				if (!$file) header("Content-type: image/jpeg");
-				if ($compress == -1) $compress = 100;
+				if (!$file) {
+				    header("Content-type: image/jpeg");
+				}
+				if ($compress == -1) {
+				    $compress = 100;
+				}
 				return imagejpeg($this->bg, $file, $compress);
 				break;
 			case 'png':
-				if (!$file) header("Content-type: image/png");
+				if (!$file) {
+				    header("Content-type: image/png");
+				}
 				if ($compress != -1) {
 					@imagetruecolortopalette($this->bg, true, $compress);
 				}
 				return imagepng($this->bg, $file, $compress);
 				break;
 			case 'gif':
-				if (!$file) header("Content-type: image/gif");
+				if (!$file) {
+				    header("Content-type: image/gif");
+				}
 				if ($compress != -1) {
 					@imagetruecolortopalette($this->bg, true, $compress);
 				}
@@ -456,7 +492,9 @@ 
      */
     function convert2bw()
     {
-        if (!$this->image_validated) return false;
+        if (!$this->image_validated) {
+            return false;
+        }
 
         $dest_img = imagecreatetruecolor(imagesx($this->bg), imagesy($this->bg));
         /* copy ignore the transparent color

main/inc/lib/internationalization.lib.php

Doc Comments +21 added lines, -14 removed lines

@@ -435,6 +435,7 @@ 
  * If null, the timezone will be determined based on user preference,
  * or timezone chosen by the admin for the platform.
  * @param string The timezone to be converted from. If null, UTC will be assumed.
+ * @param string $to_timezone
  * @return string The converted time formatted as Y-m-d H:i:s
  *
  * @author Guillaume Viguier <guillaume.viguier@beeznest.com>
@@ -483,6 +484,7 @@ 
  * @param string String to be converted
  * @param string Timezone (if null, the timezone will be determined based
  * on user preference, or timezone chosen by the admin for the platform)
+ * @param string $timezone
  * @return int Timestamp
  *
  * @author Guillaume Viguier <guillaume.viguier@beeznest.com>
@@ -784,6 +786,7 @@ 
  * @param mixed The time to be converted
  * @param mixed Format to be used (TIME_NO_SEC_FORMAT, DATE_FORMAT_SHORT, DATE_FORMAT_LONG, DATE_TIME_FORMAT_LONG)
  * @param string Timezone to be converted from. If null, UTC will be assumed.
+ * @param string $from_timezone
  * @return string Converted and localized date
  *
  * @author Guillaume Viguier <guillaume.viguier@beeznest.com>
@@ -853,7 +856,7 @@ 
  * @param int/string $format (optional)	The person name format. It may be a pattern-string (for example '%t %l, %f' or '%T %F %L', ...) or some of the constants PERSON_NAME_COMMON_CONVENTION (default), PERSON_NAME_WESTERN_ORDER, PERSON_NAME_EASTERN_ORDER, PERSON_NAME_LIBRARY_ORDER.
  * @param string $language (optional)	The language id. If it is omitted, the current interface language is assumed. This parameter has meaning with the format PERSON_NAME_COMMON_CONVENTION only.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return bool							The result is sort of full name of the person.
+ * @return string							The result is sort of full name of the person.
  * Sample results:
  * Peter Ustinoff or Dr. Peter Ustinoff     - the Western order
  * Ustinoff Peter or Dr. Ustinoff Peter     - the Eastern order
@@ -947,7 +950,7 @@ 
 
 /**
  * Checks whether a given format represents person name in Western order (for which first name is first).
- * @param int/string $format (optional)	The person name format. It may be a pattern-string (for example '%t. %l, %f') or some of the constants PERSON_NAME_COMMON_CONVENTION (default), PERSON_NAME_WESTERN_ORDER, PERSON_NAME_EASTERN_ORDER, PERSON_NAME_LIBRARY_ORDER.
+ * @param integer $format (optional)	The person name format. It may be a pattern-string (for example '%t. %l, %f') or some of the constants PERSON_NAME_COMMON_CONVENTION (default), PERSON_NAME_WESTERN_ORDER, PERSON_NAME_EASTERN_ORDER, PERSON_NAME_LIBRARY_ORDER.
  * @param string $language (optional)	The language id. If it is omitted, the current interface language is assumed. This parameter has meaning with the format PERSON_NAME_COMMON_CONVENTION only.
  * @return bool							The result TRUE means that the order is first_name last_name, FALSE means last_name first_name.
  * Note: You may use this function for determing the order of the fields or columns "First name" and "Last name" in forms, tables and reports.
@@ -1175,8 +1178,8 @@ 
 
 /**
  * This function returns a string or an array with all occurrences of search in subject (ignoring case) replaced with the given replace value.
- * @param mixed $search					String or array of strings to be found.
- * @param mixed $replace				String or array of strings used for replacement.
+ * @param string $search					String or array of strings to be found.
+ * @param string $replace				String or array of strings used for replacement.
  * @param mixed $subject				String or array of strings being searched.
  * @param int $count (optional)			The number of matched and replaced needles will be returned in count, which is passed by reference.
  * @param string $encoding (optional)	The used internally by this function character encoding.
@@ -1239,10 +1242,10 @@ 
 /**
  * Finds first occurrence of a string within another, case insensitive.
  * @param string $haystack					The string from which to get the first occurrence.
- * @param mixed $needle						The string to be found.
+ * @param string $needle						The string to be found.
  * @param bool $before_needle (optional)	Determines which portion of $haystack this function returns. The default value is FALSE.
  * @param string $encoding (optional)		The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed							Returns the portion of $haystack, or FALSE if $needle is not found.
+ * @return false|string							Returns the portion of $haystack, or FALSE if $needle is not found.
  * Notes:
  * If $needle is not a string, it is converted to an integer and applied as the ordinal value (codepoint if the encoding is UTF-8) of a character.
  * If $before_needle is set to TRUE, the function returns all of $haystack from the beginning to the first occurrence of $needle.
@@ -1298,7 +1301,7 @@ 
  * @param mixed $needle						The string which first character is to be found.
  * @param bool $before_needle (optional)	Determines which portion of $haystack this function returns. The default value is FALSE.
  * @param string $encoding (optional)		The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed							Returns the portion of $haystack, or FALSE if the first character from $needle is not found.
+ * @return false|string							Returns the portion of $haystack, or FALSE if the first character from $needle is not found.
  * Notes:
  * If $needle is not a string, it is converted to an integer and applied as the ordinal value (codepoint if the encoding is UTF-8) of a character.
  * If $before_needle is set to TRUE, the function returns all of $haystack from the beginning to the first occurrence.
@@ -1348,7 +1351,7 @@ 
  * @param string $needle				The string to be found.
  * @param int $offset (optional)		$offset may be specified to begin searching an arbitrary position. Negative values will stop searching at an arbitrary point prior to the end of the string.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed						Returns the numeric position of the first occurrence of $needle in the $haystack, or FALSE if $needle is not found.
+ * @return integer|null						Returns the numeric position of the first occurrence of $needle in the $haystack, or FALSE if $needle is not found.
  * Note: The first character's position is 0, the second character position is 1, and so on.
  * This function is aimed at replacing the functions strrpos() and mb_strrpos() for human-language strings.
  * @link http://php.net/manual/en/function.strrpos
@@ -1365,7 +1368,7 @@ 
  * @param mixed $needle						The string to be found.
  * @param bool $before_needle (optional)	Determines which portion of $haystack this function returns. The default value is FALSE.
  * @param string $encoding (optional)		The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return mixed							Returns the portion of $haystack, or FALSE if $needle is not found.
+ * @return false|string							Returns the portion of $haystack, or FALSE if $needle is not found.
  * Notes:
  * If $needle is not a string, it is converted to an integer and applied as the ordinal value (codepoint if the encoding is UTF-8) of a character.
  * If $before_needle is set to TRUE, the function returns all of $haystack from the beginning to the first occurrence of $needle.
@@ -1508,7 +1511,7 @@ 
  * 										Note that this changes the return value in an array where every element is an array consisting of the matched string at index 0 and its string offset into subject at index 1.
  * @param int $offset (optional)		Normally, the search starts from the beginning of the subject string. The optional parameter offset can be used to specify the alternate place from which to start the search.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return int|boolean					Returns the number of times pattern matches or FALSE if an error occurred.
+ * @return integer					Returns the number of times pattern matches or FALSE if an error occurred.
  * @link http://php.net/preg_match
  */
 function api_preg_match($pattern, $subject, &$matches = null, $flags = 0, $offset = 0, $encoding = null) {
@@ -1531,7 +1534,7 @@ 
  * If no order flag is given, PREG_PATTERN_ORDER is assumed.
  * @param int $offset (optional)		Normally, the search starts from the beginning of the subject string. The optional parameter offset can be used to specify the alternate place from which to start the search.
  * @param string $encoding (optional)	The used internally by this function character encoding. If it is omitted, the platform character set will be used by default.
- * @return int|boolean					Returns the number of full pattern matches (which might be zero), or FALSE if an error occurred.
+ * @return integer					Returns the number of full pattern matches (which might be zero), or FALSE if an error occurred.
  * @link http://php.net/preg_match_all
  */
 function api_preg_match_all($pattern, $subject, &$matches, $flags = PREG_PATTERN_ORDER, $offset = 0, $encoding = null) {
@@ -1546,8 +1549,8 @@ 
 
 /**
  * Performs a regular expression search and replace, UTF-8 aware when it is applicable.
- * @param string|array $pattern			The pattern to search for. It can be either a string or an array with strings.
- * @param string|array $replacement		The string or an array with strings to replace.
+ * @param string $pattern			The pattern to search for. It can be either a string or an array with strings.
+ * @param string $replacement		The string or an array with strings to replace.
  * @param string|array $subject			The string or an array with strings to search and replace.
  * @param int $limit					The maximum possible replacements for each pattern in each subject string. Defaults to -1 (no limit).
  * @param int &$count					If specified, this variable will be filled with the number of replacements done.
@@ -1799,6 +1802,7 @@ 
 /**
  * Checks a string for UTF-8 validity.
  *
+ * @param string $string
  */
 function api_is_valid_utf8(&$string)
 {
@@ -1941,7 +1945,7 @@ 
 /**
  * Replaces non-valid formats for person names with the default (English) format.
  * @param string $format	The input format to be verified.
- * @return bool				Returns the same format if is is valid, otherwise returns a valid English format.
+ * @return string				Returns the same format if is is valid, otherwise returns a valid English format.
  */
 function _api_validate_person_name_format($format) {
     if (empty($format) || stripos($format, '%f') === false || stripos($format, '%l') === false) {
@@ -2068,6 +2072,9 @@ 
 
 // This function checks whether the function _api_convert_encoding() (the php-
 // implementation) is able to convert from/to a given encoding.
+/**
+ * @param string $encoding
+ */
 function _api_convert_encoding_supports($encoding) {
     static $supports = array();
     if (!isset($supports[$encoding])) {

Indentation +21 added lines, -22 removed lines

@@ -103,13 +103,13 @@ 
     if (isset($_configuration['language_measure_frequency']) &&
         $_configuration['language_measure_frequency'] == 1
     ) {
-      require_once api_get_path(SYS_CODE_PATH).'/cron/lang/langstats.class.php';
-      global $langstats;
-      $langstats->add_use($variable,'');
+        require_once api_get_path(SYS_CODE_PATH).'/cron/lang/langstats.class.php';
+        global $langstats;
+        $langstats->add_use($variable,'');
     }
 
     if (!isset($used_lang_vars)) {
-    	$used_lang_vars = array();
+        $used_lang_vars = array();
     }
 
     // Caching results from some API functions, for speed.
@@ -305,7 +305,7 @@ 
     static $text_direction = array();
 
     if (empty($language)) {
-    	$language = api_get_interface_language();
+        $language = api_get_interface_language();
     }
     if (!isset($text_direction[$language])) {
         $text_direction[$language] = in_array(api_purify_language_id($language),
@@ -536,24 +536,24 @@ 
             case DATE_FORMAT_ONLY_DAYNAME:
                 $date_format = get_lang('dateFormatOnlyDayName', '', $language);
                 if (INTL_INSTALLED) {
-        			$datetype = IntlDateFormatter::SHORT;
-        			$timetype = IntlDateFormatter::NONE;
-        		}
+                    $datetype = IntlDateFormatter::SHORT;
+                    $timetype = IntlDateFormatter::NONE;
+                }
                 break;
             case DATE_FORMAT_NUMBER_NO_YEAR:
                 $date_format = get_lang('dateFormatShortNumberNoYear', '', $language);
-        		if (INTL_INSTALLED) {
-        			$datetype = IntlDateFormatter::SHORT;
-        			$timetype = IntlDateFormatter::NONE;
-        		}
+                if (INTL_INSTALLED) {
+                    $datetype = IntlDateFormatter::SHORT;
+                    $timetype = IntlDateFormatter::NONE;
+                }
+                break;
+            case DATE_FORMAT_NUMBER:
+                $date_format = get_lang('dateFormatShortNumber', '', $language);
+                if (INTL_INSTALLED) {
+                    $datetype = IntlDateFormatter::SHORT;
+                    $timetype = IntlDateFormatter::NONE;
+                }
                 break;
-        	case DATE_FORMAT_NUMBER:
-        		$date_format = get_lang('dateFormatShortNumber', '', $language);
-        		if (INTL_INSTALLED) {
-        			$datetype = IntlDateFormatter::SHORT;
-        			$timetype = IntlDateFormatter::NONE;
-        		}
-        		break;
             case TIME_NO_SEC_FORMAT:
                 $date_format = get_lang('timeNoSecFormat', '', $language);
                 if (INTL_INSTALLED) {
@@ -589,14 +589,14 @@ 
                     $timetype = IntlDateFormatter::SHORT;
                 }
                 break;
-			case DATE_TIME_FORMAT_SHORT:
+            case DATE_TIME_FORMAT_SHORT:
                 $date_format = get_lang('dateTimeFormatShort', '', $language);
                 if (INTL_INSTALLED) {
                     $datetype = IntlDateFormatter::FULL;
                     $timetype = IntlDateFormatter::SHORT;
                 }
                 break;
-			case DATE_TIME_FORMAT_SHORT_TIME_FIRST:
+            case DATE_TIME_FORMAT_SHORT_TIME_FIRST:
                 $date_format = get_lang('dateTimeFormatShortTimeFirst', '', $language);
                 if (INTL_INSTALLED) {
                     $datetype = IntlDateFormatter::FULL;
@@ -1817,7 +1817,6 @@ 
 
 /**
  * Return true a date is valid
-
  * @param string $date example: 2014-06-30 13:05:05
  * @param string $format example: "Y-m-d H:i:s"
  *

Spacing +9 added lines, -9 removed lines

@@ -105,7 +105,7 @@ 
     ) {
       require_once api_get_path(SYS_CODE_PATH).'/cron/lang/langstats.class.php';
       global $langstats;
-      $langstats->add_use($variable,'');
+      $langstats->add_use($variable, '');
     }
 
     if (!isset($used_lang_vars)) {
@@ -371,7 +371,7 @@ 
     if ($use_users_timezone == 'true') {
         $userId = api_get_user_id();
         // Get the timezone based on user preference, if it exists
-        $timezone_user = UserManager::get_extra_user_data_by_field($userId,'timezone');
+        $timezone_user = UserManager::get_extra_user_data_by_field($userId, 'timezone');
         if (isset($timezone_user['timezone']) && $timezone_user['timezone'] != null) {
             $to_timezone = $timezone_user['timezone'];
         }
@@ -636,10 +636,10 @@ 
         // We replace %a %A %b %B masks of date format with translated strings
         $translated = &_api_get_day_month_names($language);
         $date_format = str_replace(array('%A', '%a', '%B', '%b'),
-        array($translated['days_long'][(int)strftime('%w', $time )],
-            $translated['days_short'][(int)strftime('%w', $time)],
-            $translated['months_long'][(int)strftime('%m', $time) - 1],
-            $translated['months_short'][(int)strftime('%m', $time) - 1]),
+        array($translated['days_long'][(int) strftime('%w', $time)],
+            $translated['days_short'][(int) strftime('%w', $time)],
+            $translated['months_long'][(int) strftime('%m', $time) - 1],
+            $translated['months_short'][(int) strftime('%m', $time) - 1]),
         $date_format);
         $formatted_date = api_to_system_encoding(strftime($date_format, $time), 'UTF-8');
     }
@@ -737,7 +737,7 @@ 
         if ($seconds > $time) {
             continue;
         }
-        $current_value = intval($time/$seconds);
+        $current_value = intval($time / $seconds);
 
         if ($current_value != 1) {
             $date_str = $sec_time_plu[$i];
@@ -754,7 +754,7 @@ 
     }
 
     if (!empty($key_result)) {
-        if ($key_result[0] == $min_day && $key_result[1]== $min_minute) {
+        if ($key_result[0] == $min_day && $key_result[1] == $min_minute) {
             $key_result[1] = ' 0 '.$min_hours;
             $str_result[0] = $time_result[0].' '.$key_result[0];
             $str_result[1] = $key_result[1];
@@ -1687,7 +1687,7 @@ 
  * @return string					Returns the encoding identificator modified in suitable for comparison way.
  */
 function api_refine_encoding_id($encoding) {
-    if (is_array($encoding)){
+    if (is_array($encoding)) {
         return array_map('api_refine_encoding_id', $encoding);
     }
     return strtoupper(str_replace('_', '-', $encoding));

Braces +1 added lines, -2 removed lines

@@ -1710,8 +1710,7 @@
             }
         }
         return false;
-    }
-    elseif (is_array($encoding2)) {
+    } elseif (is_array($encoding2)) {
         foreach ($encoding2 as $encoding) {
             if (api_equal_encodings($encoding1, $encoding, $strict)) {
                 return true;

main/inc/lib/kses-0.2.2/kses_original.php

Doc Comments +9 added lines

@@ -408,6 +408,9 @@ 
 } # function kses_no_null
 
 
+/**
+ * @return string
+ */
 function kses_stripslashes($string)
 ###############################################################################
 # This function changes the character sequence  \"  to just  "
@@ -442,6 +445,9 @@ 
 } # function kses_array_lc
 
 
+/**
+ * @return string
+ */
 function kses_js_entities($string)
 ###############################################################################
 # This function removes the HTML JavaScript entities found in early versions of
@@ -506,6 +512,9 @@ 
 } # function kses_bad_protocol_once2
 
 
+/**
+ * @return string
+ */
 function kses_normalize_entities($string)
 ###############################################################################
 # This function normalizes HTML entities. It will convert "AT&T" to the correct

Indentation +166 added lines, -166 removed lines

@@ -31,8 +31,8 @@ 
 
 
 function kses($string, $allowed_html, $allowed_protocols =
-               array('http', 'https', 'ftp', 'news', 'nntp', 'telnet',
-                     'gopher', 'mailto'))
+                array('http', 'https', 'ftp', 'news', 'nntp', 'telnet',
+                        'gopher', 'mailto'))
 ###############################################################################
 # This function makes sure that only the allowed HTML element names, attribute
 # names and attribute values plus only sane HTML entities will occur in
@@ -40,12 +40,12 @@ 
 # call this function.
 ###############################################################################
 {
-  $string = kses_no_null($string);
-  $string = kses_js_entities($string);
-  $string = kses_normalize_entities($string);
-  $string = kses_hook($string);
-  $allowed_html_fixed = kses_array_lc($allowed_html);
-  return kses_split($string, $allowed_html_fixed, $allowed_protocols);
+    $string = kses_no_null($string);
+    $string = kses_js_entities($string);
+    $string = kses_normalize_entities($string);
+    $string = kses_hook($string);
+    $allowed_html_fixed = kses_array_lc($allowed_html);
+    return kses_split($string, $allowed_html_fixed, $allowed_protocols);
 } # function kses
 
 
@@ -54,7 +54,7 @@ 
 # You add any kses hooks here.
 ###############################################################################
 {
-  return $string;
+    return $string;
 } # function kses_hook
 
 
@@ -63,7 +63,7 @@ 
 # This function returns kses' version number.
 ###############################################################################
 {
-  return '0.2.2';
+    return '0.2.2';
 } # function kses_version
 
 
@@ -73,13 +73,13 @@ 
 # matches stray ">" characters.
 ###############################################################################
 {
-  return preg_replace('%(<'.   # EITHER: <
-                      '[^>]*'. # things that aren't >
-                      '(>|$)'. # > or end of string
-                      '|>)%e', # OR: just a >
-                      "kses_split2('\\1', \$allowed_html, ".
-                      '$allowed_protocols)',
-                      $string);
+    return preg_replace('%(<'.   # EITHER: <
+                        '[^>]*'. # things that aren't >
+                        '(>|$)'. # > or end of string
+                        '|>)%e', # OR: just a >
+                        "kses_split2('\\1', \$allowed_html, ".
+                        '$allowed_protocols)',
+                        $string);
 } # function kses_split
 
 
@@ -91,30 +91,30 @@ 
 # attribute list.
 ###############################################################################
 {
-  $string = kses_stripslashes($string);
+    $string = kses_stripslashes($string);
 
-  if (substr($string, 0, 1) != '<')
+    if (substr($string, 0, 1) != '<')
     return '&gt;';
     # It matched a ">" character
 
-  if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches))
+    if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches))
     return '';
     # It's seriously malformed
 
-  $slash = trim($matches[1]);
-  $elem = $matches[2];
-  $attrlist = $matches[3];
+    $slash = trim($matches[1]);
+    $elem = $matches[2];
+    $attrlist = $matches[3];
 
-  if (!@isset($allowed_html[strtolower($elem)]))
+    if (!@isset($allowed_html[strtolower($elem)]))
     return '';
     # They are using a not allowed HTML element
 
-  if ($slash != '')
+    if ($slash != '')
     return "<$slash$elem>";
-  # No attributes are allowed for closing elements
+    # No attributes are allowed for closing elements
 
-  return kses_attr("$slash$elem", $attrlist, $allowed_html,
-                   $allowed_protocols);
+    return kses_attr("$slash$elem", $attrlist, $allowed_html,
+                    $allowed_protocols);
 } # function kses_split2
 
 
@@ -130,56 +130,56 @@ 
 {
 # Is there a closing XHTML slash at the end of the attributes?
 
-  $xhtml_slash = '';
-  if (preg_match('%\s/\s*$%', $attr))
+    $xhtml_slash = '';
+    if (preg_match('%\s/\s*$%', $attr))
     $xhtml_slash = ' /';
 
 # Are any attributes allowed at all for this element?
 
-  if (@count($allowed_html[strtolower($element)]) == 0)
+    if (@count($allowed_html[strtolower($element)]) == 0)
     return "<$element$xhtml_slash>";
 
 # Split it
 
-  $attrarr = kses_hair($attr, $allowed_protocols);
+    $attrarr = kses_hair($attr, $allowed_protocols);
 
 # Go through $attrarr, and save the allowed attributes for this element
 # in $attr2
 
-  $attr2 = '';
+    $attr2 = '';
 
-  foreach ($attrarr as $arreach)
-  {
+    foreach ($attrarr as $arreach)
+    {
     if (!@isset($allowed_html[strtolower($element)]
                             [strtolower($arreach['name'])]))
-      continue; # the attribute is not allowed
+        continue; # the attribute is not allowed
 
     $current = $allowed_html[strtolower($element)]
                             [strtolower($arreach['name'])];
 
     if (!is_array($current))
-      $attr2 .= ' '.$arreach['whole'];
+        $attr2 .= ' '.$arreach['whole'];
     # there are no checks
 
     else
     {
     # there are some checks
-      $ok = true;
-      foreach ($current as $currkey => $currval)
+        $ok = true;
+        foreach ($current as $currkey => $currval)
         if (!kses_check_attr_val($arreach['value'], $arreach['vless'],
-                                 $currkey, $currval))
+                                    $currkey, $currval))
         { $ok = false; break; }
 
-      if ($ok)
+        if ($ok)
         $attr2 .= ' '.$arreach['whole']; # it passed them
     } # if !is_array($current)
-  } # foreach
+    } # foreach
 
 # Remove any "<" or ">" characters
 
-  $attr2 = preg_replace('/[<>]/', '', $attr2);
+    $attr2 = preg_replace('/[<>]/', '', $attr2);
 
-  return "<$element$attr2$xhtml_slash>";
+    return "<$element$attr2$xhtml_slash>";
 } # function kses_attr
 
 
@@ -193,96 +193,96 @@ 
 # from attribute values.
 ###############################################################################
 {
-  $attrarr = array();
-  $mode = 0;
-  $attrname = '';
+    $attrarr = array();
+    $mode = 0;
+    $attrname = '';
 
 # Loop through the whole attribute list
 
-  while (strlen($attr) != 0)
-  {
+    while (strlen($attr) != 0)
+    {
     $working = 0; # Was the last operation successful?
 
     switch ($mode)
     {
-      case 0: # attribute name, href for instance
+        case 0: # attribute name, href for instance
 
         if (preg_match('/^([-a-zA-Z]+)/', $attr, $match))
         {
-          $attrname = $match[1];
-          $working = $mode = 1;
-          $attr = preg_replace('/^[-a-zA-Z]+/', '', $attr);
+            $attrname = $match[1];
+            $working = $mode = 1;
+            $attr = preg_replace('/^[-a-zA-Z]+/', '', $attr);
         }
 
         break;
 
-      case 1: # equals sign or valueless ("selected")
+        case 1: # equals sign or valueless ("selected")
 
         if (preg_match('/^\s*=\s*/', $attr)) # equals sign
         {
-          $working = 1; $mode = 2;
-          $attr = preg_replace('/^\s*=\s*/', '', $attr);
-          break;
+            $working = 1; $mode = 2;
+            $attr = preg_replace('/^\s*=\s*/', '', $attr);
+            break;
         }
 
         if (preg_match('/^\s+/', $attr)) # valueless
         {
-          $working = 1; $mode = 0;
-          $attrarr[] = array
+            $working = 1; $mode = 0;
+            $attrarr[] = array
                         ('name'  => $attrname,
-                         'value' => '',
-                         'whole' => $attrname,
-                         'vless' => 'y');
-          $attr = preg_replace('/^\s+/', '', $attr);
+                            'value' => '',
+                            'whole' => $attrname,
+                            'vless' => 'y');
+            $attr = preg_replace('/^\s+/', '', $attr);
         }
 
         break;
 
-      case 2: # attribute value, a URL after href= for instance
+        case 2: # attribute value, a URL after href= for instance
 
         if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match))
-         # "value"
+            # "value"
         {
-          $thisval = kses_bad_protocol($match[1], $allowed_protocols);
+            $thisval = kses_bad_protocol($match[1], $allowed_protocols);
 
-          $attrarr[] = array
+            $attrarr[] = array
                         ('name'  => $attrname,
-                         'value' => $thisval,
-                         'whole' => "$attrname=\"$thisval\"",
-                         'vless' => 'n');
-          $working = 1; $mode = 0;
-          $attr = preg_replace('/^"[^"]*"(\s+|$)/', '', $attr);
-          break;
+                            'value' => $thisval,
+                            'whole' => "$attrname=\"$thisval\"",
+                            'vless' => 'n');
+            $working = 1; $mode = 0;
+            $attr = preg_replace('/^"[^"]*"(\s+|$)/', '', $attr);
+            break;
         }
 
         if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match))
-         # 'value'
+            # 'value'
         {
-          $thisval = kses_bad_protocol($match[1], $allowed_protocols);
+            $thisval = kses_bad_protocol($match[1], $allowed_protocols);
 
-          $attrarr[] = array
+            $attrarr[] = array
                         ('name'  => $attrname,
-                         'value' => $thisval,
-                         'whole' => "$attrname='$thisval'",
-                         'vless' => 'n');
-          $working = 1; $mode = 0;
-          $attr = preg_replace("/^'[^']*'(\s+|$)/", '', $attr);
-          break;
+                            'value' => $thisval,
+                            'whole' => "$attrname='$thisval'",
+                            'vless' => 'n');
+            $working = 1; $mode = 0;
+            $attr = preg_replace("/^'[^']*'(\s+|$)/", '', $attr);
+            break;
         }
 
         if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match))
-         # value
+            # value
         {
-          $thisval = kses_bad_protocol($match[1], $allowed_protocols);
+            $thisval = kses_bad_protocol($match[1], $allowed_protocols);
 
-          $attrarr[] = array
+            $attrarr[] = array
                         ('name'  => $attrname,
-                         'value' => $thisval,
-                         'whole' => "$attrname=\"$thisval\"",
-                         'vless' => 'n');
-                         # We add quotes to conform to W3C's HTML spec.
-          $working = 1; $mode = 0;
-          $attr = preg_replace("%^[^\s\"']+(\s+|$)%", '', $attr);
+                            'value' => $thisval,
+                            'whole' => "$attrname=\"$thisval\"",
+                            'vless' => 'n');
+                            # We add quotes to conform to W3C's HTML spec.
+            $working = 1; $mode = 0;
+            $attr = preg_replace("%^[^\s\"']+(\s+|$)%", '', $attr);
         }
 
         break;
@@ -290,21 +290,21 @@ 
 
     if ($working == 0) # not well formed, remove and try again
     {
-      $attr = kses_html_error($attr);
-      $mode = 0;
+        $attr = kses_html_error($attr);
+        $mode = 0;
     }
-  } # while
+    } # while
 
-  if ($mode == 1)
-  # special case, for when the attribute list ends with a valueless
-  # attribute like "selected"
+    if ($mode == 1)
+    # special case, for when the attribute list ends with a valueless
+    # attribute like "selected"
     $attrarr[] = array
-                  ('name'  => $attrname,
-                   'value' => '',
-                   'whole' => $attrname,
-                   'vless' => 'y');
+                    ('name'  => $attrname,
+                    'value' => '',
+                    'whole' => $attrname,
+                    'vless' => 'y');
 
-  return $attrarr;
+    return $attrarr;
 } # function kses_hair
 
 
@@ -315,10 +315,10 @@ 
 # with even more checks to come soon.
 ###############################################################################
 {
-  $ok = true;
+    $ok = true;
 
-  switch (strtolower($checkname))
-  {
+    switch (strtolower($checkname))
+    {
     case 'maxlen':
     # The maxlen check makes sure that the attribute value has a length not
     # greater than the given value. This can be used to avoid Buffer Overflows
@@ -326,7 +326,7 @@ 
 
       if (strlen($value) > $checkvalue)
         $ok = false;
-      break;
+        break;
 
     case 'minlen':
     # The minlen check makes sure that the attribute value has a length not
@@ -334,7 +334,7 @@ 
 
       if (strlen($value) < $checkvalue)
         $ok = false;
-      break;
+        break;
 
     case 'maxval':
     # The maxval check does two things: it checks that the attribute value is
@@ -345,9 +345,9 @@ 
 
       if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
         $ok = false;
-      if ($value > $checkvalue)
+        if ($value > $checkvalue)
         $ok = false;
-      break;
+        break;
 
     case 'minval':
     # The minval check checks that the attribute value is a positive integer,
@@ -355,9 +355,9 @@ 
 
       if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
         $ok = false;
-      if ($value < $checkvalue)
+        if ($value < $checkvalue)
         $ok = false;
-      break;
+        break;
 
     case 'valueless':
     # The valueless check checks if the attribute has a value
@@ -367,10 +367,10 @@ 
 
       if (strtolower($checkvalue) != $vless)
         $ok = false;
-      break;
-  } # switch
+        break;
+    } # switch
 
-  return $ok;
+    return $ok;
 } # function kses_check_attr_val
 
 
@@ -382,17 +382,17 @@ 
 # fooled by a string like "javascript:javascript:alert(57)".
 ###############################################################################
 {
-  $string = kses_no_null($string);
-  $string = preg_replace('/\xad+/', '', $string); # deals with Opera "feature"
-  $string2 = $string.'a';
+    $string = kses_no_null($string);
+    $string = preg_replace('/\xad+/', '', $string); # deals with Opera "feature"
+    $string2 = $string.'a';
 
-  while ($string != $string2)
-  {
+    while ($string != $string2)
+    {
     $string2 = $string;
     $string = kses_bad_protocol_once($string, $allowed_protocols);
-  } # while
+    } # while
 
-  return $string;
+    return $string;
 } # function kses_bad_protocol
 
 
@@ -401,10 +401,10 @@ 
 # This function removes any NULL characters in $string.
 ###############################################################################
 {
-  $string = preg_replace('/\0+/', '', $string);
-  $string = preg_replace('/(\\\\0)+/', '', $string);
+    $string = preg_replace('/\0+/', '', $string);
+    $string = preg_replace('/(\\\\0)+/', '', $string);
 
-  return $string;
+    return $string;
 } # function kses_no_null
 
 
@@ -415,7 +415,7 @@ 
 # preg_replace(//e) seems to require this.
 ###############################################################################
 {
-  return preg_replace('%\\\\"%', '"', $string);
+    return preg_replace('%\\\\"%', '"', $string);
 } # function kses_stripslashes
 
 
@@ -424,21 +424,21 @@ 
 # This function goes through an array, and changes the keys to all lower case.
 ###############################################################################
 {
-  $outarray = array();
+    $outarray = array();
 
-  foreach ($inarray as $inkey => $inval)
-  {
+    foreach ($inarray as $inkey => $inval)
+    {
     $outkey = strtolower($inkey);
     $outarray[$outkey] = array();
 
     foreach ($inval as $inkey2 => $inval2)
     {
-      $outkey2 = strtolower($inkey2);
-      $outarray[$outkey][$outkey2] = $inval2;
+        $outkey2 = strtolower($inkey2);
+        $outarray[$outkey][$outkey2] = $inval2;
     } # foreach $inval
-  } # foreach $inarray
+    } # foreach $inarray
 
-  return $outarray;
+    return $outarray;
 } # function kses_array_lc
 
 
@@ -448,7 +448,7 @@ 
 # Netscape 4.
 ###############################################################################
 {
-  return preg_replace('%&\s*\{[^}]*(\}\s*;?|$)%', '', $string);
+    return preg_replace('%&\s*\{[^}]*(\}\s*;?|$)%', '', $string);
 } # function kses_js_entities
 
 
@@ -459,7 +459,7 @@ 
 # quotes and apostrophes as well.
 ###############################################################################
 {
-  return preg_replace('/^("[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*/', '', $string);
+    return preg_replace('/^("[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*/', '', $string);
 } # function kses_html_error
 
 
@@ -469,12 +469,12 @@ 
 # handling whitespace and HTML entities.
 ###############################################################################
 {
-	$string2 = preg_split('/:|&#58;|&#x3a;/i', $string, 2);
-	if(isset($string2[1]) && !preg_match('%/\?%',$string2[0]))
-	{
-		$string = kses_bad_protocol_once2($string2[0],$allowed_protocols).trim($string2[1]);
-	}
-	return $string;
+    $string2 = preg_split('/:|&#58;|&#x3a;/i', $string, 2);
+    if(isset($string2[1]) && !preg_match('%/\?%',$string2[0]))
+    {
+        $string = kses_bad_protocol_once2($string2[0],$allowed_protocols).trim($string2[1]);
+    }
+    return $string;
 } # function kses_bad_protocol_once
 
 
@@ -484,24 +484,24 @@ 
 # list or not, and returns different data depending on the answer.
 ###############################################################################
 {
-  $string2 = kses_decode_entities($string);
-  $string2 = preg_replace('/\s/', '', $string2);
-  $string2 = kses_no_null($string2);
-  $string2 = preg_replace('/\xad+/', '', $string2);
-   # deals with Opera "feature"
-  $string2 = strtolower($string2);
-
-  $allowed = false;
-  foreach ($allowed_protocols as $one_protocol)
+    $string2 = kses_decode_entities($string);
+    $string2 = preg_replace('/\s/', '', $string2);
+    $string2 = kses_no_null($string2);
+    $string2 = preg_replace('/\xad+/', '', $string2);
+    # deals with Opera "feature"
+    $string2 = strtolower($string2);
+
+    $allowed = false;
+    foreach ($allowed_protocols as $one_protocol)
     if (strtolower($one_protocol) == $string2)
     {
-      $allowed = true;
-      break;
+        $allowed = true;
+        break;
     }
 
-  if ($allowed)
+    if ($allowed)
     return "$string2:";
-  else
+    else
     return '';
 } # function kses_bad_protocol_once2
 
@@ -514,18 +514,18 @@ 
 {
 # Disarm all entities by converting & to &amp;
 
-  $string = str_replace('&', '&amp;', $string);
+    $string = str_replace('&', '&amp;', $string);
 
 # Change back the allowed entities in our entity whitelist
 
-  $string = preg_replace('/&amp;([A-Za-z][A-Za-z0-9]{0,19});/',
-                         '&\\1;', $string);
-  $string = preg_replace('/&amp;#0*([0-9]{1,5});/e',
-                         'kses_normalize_entities2("\\1")', $string);
-  $string = preg_replace('/&amp;#([Xx])0*(([0-9A-Fa-f]{2}){1,2});/',
-                         '&#\\1\\2;', $string);
+    $string = preg_replace('/&amp;([A-Za-z][A-Za-z0-9]{0,19});/',
+                            '&\\1;', $string);
+    $string = preg_replace('/&amp;#0*([0-9]{1,5});/e',
+                            'kses_normalize_entities2("\\1")', $string);
+    $string = preg_replace('/&amp;#([Xx])0*(([0-9A-Fa-f]{2}){1,2});/',
+                            '&#\\1\\2;', $string);
 
-  return $string;
+    return $string;
 } # function kses_normalize_entities
 
 
@@ -535,7 +535,7 @@ 
 # and nothing more for &#number; entities.
 ###############################################################################
 {
-  return (($i > 65535) ? "&amp;#$i;" : "&#$i;");
+    return (($i > 65535) ? "&amp;#$i;" : "&#$i;");
 } # function kses_normalize_entities2
 
 
@@ -546,11 +546,11 @@ 
 # URL protocol whitelisting system anyway.
 ###############################################################################
 {
-  $string = preg_replace('/&#([0-9]+);/e', 'chr("\\1")', $string);
-  $string = preg_replace('/&#[Xx]([0-9A-Fa-f]+);/e', 'chr(hexdec("\\1"))',
-                         $string);
+    $string = preg_replace('/&#([0-9]+);/e', 'chr("\\1")', $string);
+    $string = preg_replace('/&#[Xx]([0-9A-Fa-f]+);/e', 'chr(hexdec("\\1"))',
+                            $string);
 
-  return $string;
+    return $string;
 } # function kses_decode_entities
 
 ?>

Spacing +10 added lines, -15 removed lines

@@ -73,9 +73,9 @@ 
 # matches stray ">" characters.
 ###############################################################################
 {
-  return preg_replace('%(<'.   # EITHER: <
-                      '[^>]*'. # things that aren't >
-                      '(>|$)'. # > or end of string
+  return preg_replace('%(<'.# EITHER: <
+                      '[^>]*'.# things that aren't >
+                      '(>|$)'.# > or end of string
                       '|>)%e', # OR: just a >
                       "kses_split2('\\1', \$allowed_html, ".
                       '$allowed_protocols)',
@@ -228,8 +228,7 @@ 
         if (preg_match('/^\s+/', $attr)) # valueless
         {
           $working = 1; $mode = 0;
-          $attrarr[] = array
-                        ('name'  => $attrname,
+          $attrarr[] = array('name'  => $attrname,
                          'value' => '',
                          'whole' => $attrname,
                          'vless' => 'y');
@@ -245,8 +244,7 @@ 
         {
           $thisval = kses_bad_protocol($match[1], $allowed_protocols);
 
-          $attrarr[] = array
-                        ('name'  => $attrname,
+          $attrarr[] = array('name'  => $attrname,
                          'value' => $thisval,
                          'whole' => "$attrname=\"$thisval\"",
                          'vless' => 'n');
@@ -260,8 +258,7 @@ 
         {
           $thisval = kses_bad_protocol($match[1], $allowed_protocols);
 
-          $attrarr[] = array
-                        ('name'  => $attrname,
+          $attrarr[] = array('name'  => $attrname,
                          'value' => $thisval,
                          'whole' => "$attrname='$thisval'",
                          'vless' => 'n');
@@ -275,8 +272,7 @@ 
         {
           $thisval = kses_bad_protocol($match[1], $allowed_protocols);
 
-          $attrarr[] = array
-                        ('name'  => $attrname,
+          $attrarr[] = array('name'  => $attrname,
                          'value' => $thisval,
                          'whole' => "$attrname=\"$thisval\"",
                          'vless' => 'n');
@@ -298,8 +294,7 @@ 
   if ($mode == 1)
   # special case, for when the attribute list ends with a valueless
   # attribute like "selected"
-    $attrarr[] = array
-                  ('name'  => $attrname,
+    $attrarr[] = array('name'  => $attrname,
                    'value' => '',
                    'whole' => $attrname,
                    'vless' => 'y');
@@ -470,9 +465,9 @@ 
 ###############################################################################
 {
 	$string2 = preg_split('/:|&#58;|&#x3a;/i', $string, 2);
-	if(isset($string2[1]) && !preg_match('%/\?%',$string2[0]))
+	if (isset($string2[1]) && !preg_match('%/\?%', $string2[0]))
 	{
-		$string = kses_bad_protocol_once2($string2[0],$allowed_protocols).trim($string2[1]);
+		$string = kses_bad_protocol_once2($string2[0], $allowed_protocols).trim($string2[1]);
 	}
 	return $string;
 } # function kses_bad_protocol_once

Braces +90 added lines, -56 removed lines

@@ -93,24 +93,28 @@ 
 {
   $string = kses_stripslashes($string);
 
-  if (substr($string, 0, 1) != '<')
-    return '&gt;';
+  if (substr($string, 0, 1) != '<') {
+      return '&gt;';
+  }
     # It matched a ">" character
 
-  if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches))
-    return '';
+  if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches)) {
+      return '';
+  }
     # It's seriously malformed
 
   $slash = trim($matches[1]);
   $elem = $matches[2];
   $attrlist = $matches[3];
 
-  if (!@isset($allowed_html[strtolower($elem)]))
-    return '';
+  if (!@isset($allowed_html[strtolower($elem)])) {
+      return '';
+  }
     # They are using a not allowed HTML element
 
-  if ($slash != '')
-    return "<$slash$elem>";
+  if ($slash != '') {
+      return "<$slash$elem>";
+  }
   # No attributes are allowed for closing elements
 
   return kses_attr("$slash$elem", $attrlist, $allowed_html,
@@ -131,13 +135,15 @@ 
 # Is there a closing XHTML slash at the end of the attributes?
 
   $xhtml_slash = '';
-  if (preg_match('%\s/\s*$%', $attr))
-    $xhtml_slash = ' /';
+  if (preg_match('%\s/\s*$%', $attr)) {
+      $xhtml_slash = ' /';
+  }
 
 # Are any attributes allowed at all for this element?
 
-  if (@count($allowed_html[strtolower($element)]) == 0)
-    return "<$element$xhtml_slash>";
+  if (@count($allowed_html[strtolower($element)]) == 0) {
+      return "<$element$xhtml_slash>";
+  }
 
 # Split it
 
@@ -151,27 +157,34 @@ 
   foreach ($attrarr as $arreach)
   {
     if (!@isset($allowed_html[strtolower($element)]
-                            [strtolower($arreach['name'])]))
-      continue; # the attribute is not allowed
+                            [strtolower($arreach['name'])])) {
+          continue;
+    }
+    # the attribute is not allowed
 
     $current = $allowed_html[strtolower($element)]
                             [strtolower($arreach['name'])];
 
-    if (!is_array($current))
-      $attr2 .= ' '.$arreach['whole'];
+    if (!is_array($current)) {
+          $attr2 .= ' '.$arreach['whole'];
+    }
     # there are no checks
 
     else
     {
     # there are some checks
       $ok = true;
-      foreach ($current as $currkey => $currval)
-        if (!kses_check_attr_val($arreach['value'], $arreach['vless'],
+      foreach ($current as $currkey => $currval) {
+              if (!kses_check_attr_val($arreach['value'], $arreach['vless'],
                                  $currkey, $currval))
-        { $ok = false; break; }
-
-      if ($ok)
-        $attr2 .= ' '.$arreach['whole']; # it passed them
+        { $ok = false;
+      }
+      break; }
+
+      if ($ok) {
+              $attr2 .= ' '.$arreach['whole'];
+      }
+      # it passed them
     } # if !is_array($current)
   } # foreach
 
@@ -218,16 +231,22 @@ 
 
       case 1: # equals sign or valueless ("selected")
 
-        if (preg_match('/^\s*=\s*/', $attr)) # equals sign
+        if (preg_match('/^\s*=\s*/', $attr)) {
+            # equals sign
         {
-          $working = 1; $mode = 2;
+          $working = 1;
+        }
+        $mode = 2;
           $attr = preg_replace('/^\s*=\s*/', '', $attr);
           break;
         }
 
-        if (preg_match('/^\s+/', $attr)) # valueless
+        if (preg_match('/^\s+/', $attr)) {
+            # valueless
         {
-          $working = 1; $mode = 0;
+          $working = 1;
+        }
+        $mode = 0;
           $attrarr[] = array
                         ('name'  => $attrname,
                          'value' => '',
@@ -240,10 +259,11 @@ 
 
       case 2: # attribute value, a URL after href= for instance
 
-        if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match))
-         # "value"
+        if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match)) {
+                 # "value"
         {
           $thisval = kses_bad_protocol($match[1], $allowed_protocols);
+        }
 
           $attrarr[] = array
                         ('name'  => $attrname,
@@ -255,10 +275,11 @@ 
           break;
         }
 
-        if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match))
-         # 'value'
+        if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match)) {
+                 # 'value'
         {
           $thisval = kses_bad_protocol($match[1], $allowed_protocols);
+        }
 
           $attrarr[] = array
                         ('name'  => $attrname,
@@ -270,10 +291,11 @@ 
           break;
         }
 
-        if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match))
-         # value
+        if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match)) {
+                 # value
         {
           $thisval = kses_bad_protocol($match[1], $allowed_protocols);
+        }
 
           $attrarr[] = array
                         ('name'  => $attrname,
@@ -288,21 +310,24 @@ 
         break;
     } # switch
 
-    if ($working == 0) # not well formed, remove and try again
+    if ($working == 0) {
+        # not well formed, remove and try again
     {
       $attr = kses_html_error($attr);
+    }
       $mode = 0;
     }
   } # while
 
-  if ($mode == 1)
-  # special case, for when the attribute list ends with a valueless
+  if ($mode == 1) {
+    # special case, for when the attribute list ends with a valueless
   # attribute like "selected"
     $attrarr[] = array
                   ('name'  => $attrname,
                    'value' => '',
                    'whole' => $attrname,
                    'vless' => 'y');
+  }
 
   return $attrarr;
 } # function kses_hair
@@ -324,16 +349,18 @@ 
     # greater than the given value. This can be used to avoid Buffer Overflows
     # in WWW clients and various Internet servers.
 
-      if (strlen($value) > $checkvalue)
-        $ok = false;
+      if (strlen($value) > $checkvalue) {
+              $ok = false;
+      }
       break;
 
     case 'minlen':
     # The minlen check makes sure that the attribute value has a length not
     # smaller than the given value.
 
-      if (strlen($value) < $checkvalue)
-        $ok = false;
+      if (strlen($value) < $checkvalue) {
+              $ok = false;
+      }
       break;
 
     case 'maxval':
@@ -343,20 +370,24 @@ 
     # value is not greater than the given value.
     # This check can be used to avoid Denial of Service attacks.
 
-      if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
-        $ok = false;
-      if ($value > $checkvalue)
-        $ok = false;
+      if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value)) {
+              $ok = false;
+      }
+      if ($value > $checkvalue) {
+              $ok = false;
+      }
       break;
 
     case 'minval':
     # The minval check checks that the attribute value is a positive integer,
     # and that it is not smaller than the given value.
 
-      if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
-        $ok = false;
-      if ($value < $checkvalue)
-        $ok = false;
+      if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value)) {
+              $ok = false;
+      }
+      if ($value < $checkvalue) {
+              $ok = false;
+      }
       break;
 
     case 'valueless':
@@ -365,8 +396,9 @@ 
     # is a "y" or a "Y", the attribute must not have a value.
     # If the given value is an "n" or an "N", the attribute must have one.
 
-      if (strtolower($checkvalue) != $vless)
-        $ok = false;
+      if (strtolower($checkvalue) != $vless) {
+              $ok = false;
+      }
       break;
   } # switch
 
@@ -492,18 +524,20 @@ 
   $string2 = strtolower($string2);
 
   $allowed = false;
-  foreach ($allowed_protocols as $one_protocol)
-    if (strtolower($one_protocol) == $string2)
+  foreach ($allowed_protocols as $one_protocol) {
+      if (strtolower($one_protocol) == $string2)
     {
       $allowed = true;
+  }
       break;
     }
 
-  if ($allowed)
-    return "$string2:";
-  else
-    return '';
-} # function kses_bad_protocol_once2
+  if ($allowed) {
+      return "$string2:";
+  } else {
+      return '';
+  }
+  } # function kses_bad_protocol_once2
 
 
 function kses_normalize_entities($string)