chamilo / chamilo-lms

main/inc/lib/export.lib.inc.php

Spacing +5 added lines, -5 removed lines

@@ -99,7 +99,7 @@ 
         }
         foreach ($data as $row) {
             $string = implode("</td><td>", $row);
-            $string = '<tr><td>' . $string . '</td></tr>';
+            $string = '<tr><td>'.$string.'</td></tr>';
             if ($encoding != 'utf-8') {
                 $string = api_convert_encoding($string, $encoding, $systemEncoding);
             }
@@ -173,7 +173,7 @@ 
             fwrite($handle, '<'.$wrapper_tagname.'>');
         }
         $s = self::_export_complex_table_xml_helper($data);
-        fwrite($handle,$s);
+        fwrite($handle, $s);
         if (!is_null($wrapper_tagname)) {
             fwrite($handle, '</'.$wrapper_tagname.'>'."\n");
         }
@@ -195,10 +195,10 @@ 
         }
         $string = '';
         foreach ($data as $row) {
-            $string .= "\n".str_repeat("\t",$level).'<'.$row['name'].'>';
+            $string .= "\n".str_repeat("\t", $level).'<'.$row['name'].'>';
             if (is_array($row['value'])) {
-            	$string .= self::_export_complex_table_xml_helper($row['value'],$level+1)."\n";
-                $string .= str_repeat("\t",$level).'</'.$row['name'].'>';
+            	$string .= self::_export_complex_table_xml_helper($row['value'], $level + 1)."\n";
+                $string .= str_repeat("\t", $level).'</'.$row['name'].'>';
             } else {
                 $string .= $row['value'];
                 $string .= '</'.$row['name'].'>';

Doc Comments +3 added lines, -3 removed lines

@@ -38,7 +38,7 @@ 
      * @param array $data
      * @param string $filename
      *
-     * @return mixed csv file | false if no data to export
+     * @return false|null csv file | false if no data to export
      */
     public static function arrayToCsv($data, $filename = 'export')
     {
@@ -160,7 +160,7 @@ 
      * @param string Name of common tag to place each line in
      * @param string Name of the root element. A root element should always be given.
      * @param string Encoding in which the data is provided
-     * @return void  Prompts the user for a file download
+     * @return boolean  Prompts the user for a file download
      */
     public static function export_complex_table_xml(
         $data,
@@ -286,7 +286,7 @@ 
      * @param string $name
      * @param string $format
      *
-     * @return bool
+     * @return false|null
      */
     public static function htmlToOdt($html, $name, $format = 'odt')
     {

Indentation +8 added lines, -8 removed lines

@@ -115,13 +115,13 @@ 
     }
 
     /**
-    * Export tabular data to XML-file
-    * @param array  Simple array of data to put in XML
-    * @param string Name of file to be given to the user
-    * @param string Name of common tag to place each line in
-    * @param string Name of the root element. A root element should always be given.
-    * @param string Encoding in which the data is provided
-    */
+     * Export tabular data to XML-file
+     * @param array  Simple array of data to put in XML
+     * @param string Name of file to be given to the user
+     * @param string Name of common tag to place each line in
+     * @param string Name of the root element. A root element should always be given.
+     * @param string Encoding in which the data is provided
+     */
     public static function arrayToXml(
         $data,
         $filename = 'export',
@@ -200,7 +200,7 @@ 
         foreach ($data as $row) {
             $string .= "\n".str_repeat("\t",$level).'<'.$row['name'].'>';
             if (is_array($row['value'])) {
-            	$string .= self::_export_complex_table_xml_helper($row['value'],$level+1)."\n";
+                $string .= self::_export_complex_table_xml_helper($row['value'],$level+1)."\n";
                 $string .= str_repeat("\t",$level).'</'.$row['name'].'>';
             } else {
                 $string .= $row['value'];

main/inc/lib/array.lib.php

Indentation +16 added lines, -16 removed lines

@@ -108,24 +108,24 @@
  */
 function utf8_sort($array)
 {
-	$old_locale = setlocale(LC_ALL, null);
-	$code = api_get_language_isocode();
-	$locale_list = array($code.'.utf8', 'en.utf8','en_US.utf8','en_GB.utf8');
-	$try_sort = false;
+    $old_locale = setlocale(LC_ALL, null);
+    $code = api_get_language_isocode();
+    $locale_list = array($code.'.utf8', 'en.utf8','en_US.utf8','en_GB.utf8');
+    $try_sort = false;
 
-	foreach($locale_list as $locale) {
-		$my_local = setlocale(LC_COLLATE, $locale);
-		if ($my_local) {
-			$try_sort = true;
-			break;
-		}
-	}
+    foreach($locale_list as $locale) {
+        $my_local = setlocale(LC_COLLATE, $locale);
+        if ($my_local) {
+            $try_sort = true;
+            break;
+        }
+    }
 
-	if ($try_sort) {
-		uasort($array, 'strcoll');
-	}
-	setlocale(LC_COLLATE, $old_locale);
-	return $array;
+    if ($try_sort) {
+        uasort($array, 'strcoll');
+    }
+    setlocale(LC_COLLATE, $old_locale);
+    return $array;
 }
 
 /**

Spacing +3 added lines, -3 removed lines

@@ -110,10 +110,10 @@ 
 {
 	$old_locale = setlocale(LC_ALL, null);
 	$code = api_get_language_isocode();
-	$locale_list = array($code.'.utf8', 'en.utf8','en_US.utf8','en_GB.utf8');
+	$locale_list = array($code.'.utf8', 'en.utf8', 'en_US.utf8', 'en_GB.utf8');
 	$try_sort = false;
 
-	foreach($locale_list as $locale) {
+	foreach ($locale_list as $locale) {
 		$my_local = setlocale(LC_COLLATE, $locale);
 		if ($my_local) {
 			$try_sort = true;
@@ -151,7 +151,7 @@ 
     $flatten = array();
     array_walk_recursive(
         $array,
-        function ($value) use (&$flatten) {
+        function($value) use (&$flatten) {
             $flatten[] = $value;
         }
     );

main/inc/lib/notebook.lib.php

Braces +3 added lines, -3 removed lines

@@ -219,10 +219,10 @@
         // action links
         echo '<div class="actions">';
         if (!api_is_anonymous()) {
-            if (api_get_session_id() == 0)
-                echo '<a href="index.php?' . api_get_cidreq() . '&action=addnote">' .
+            if (api_get_session_id() == 0) {
+                            echo '<a href="index.php?' . api_get_cidreq() . '&action=addnote">' .
                     Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32') . '</a>';
-            elseif (api_is_allowed_to_session_edit(false, true)) {
+            } elseif (api_is_allowed_to_session_edit(false, true)) {
                 echo '<a href="index.php?' . api_get_cidreq() . '&action=addnote">' .
                     Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32') . '</a>';
             }

Spacing +25 added lines, -25 removed lines

@@ -29,7 +29,7 @@ 
         return "<script>
 				function confirmation (name)
 				{
-					if (confirm(\" " . get_lang("NoteConfirmDelete") . " \"+ name + \" ?\"))
+					if (confirm(\" " . get_lang("NoteConfirmDelete")." \"+ name + \" ?\"))
 						{return true;}
 					else
 						{return false;}
@@ -106,7 +106,7 @@ 
                 description 		AS note_comment,
                 session_id			AS session_id
                FROM $t_notebook
-               WHERE c_id = $course_id AND notebook_id = '" . intval($notebook_id) . "' ";
+               WHERE c_id = $course_id AND notebook_id = '".intval($notebook_id)."' ";
         $result = Database::query($sql);
         if (Database::num_rows($result) != 1) {
             return array();
@@ -184,8 +184,8 @@ 
         $sql = "DELETE FROM $t_notebook
                 WHERE
                     c_id = $course_id AND
-                    notebook_id='" . intval($notebook_id) . "' AND
-                    user_id = '" . api_get_user_id() . "'";
+                    notebook_id='".intval($notebook_id)."' AND
+                    user_id = '" . api_get_user_id()."'";
         $result = Database::query($sql);
         $affected_rows = Database::affected_rows($result);
         if ($affected_rows != 1) {
@@ -223,22 +223,22 @@ 
         echo '<div class="actions">';
         if (!api_is_anonymous()) {
             if (api_get_session_id() == 0)
-                echo '<a href="index.php?' . api_get_cidreq() . '&action=addnote">' .
-                    Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32') . '</a>';
+                echo '<a href="index.php?'.api_get_cidreq().'&action=addnote">'.
+                    Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32').'</a>';
             elseif (api_is_allowed_to_session_edit(false, true)) {
-                echo '<a href="index.php?' . api_get_cidreq() . '&action=addnote">' .
-                    Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32') . '</a>';
+                echo '<a href="index.php?'.api_get_cidreq().'&action=addnote">'.
+                    Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32').'</a>';
             }
         } else {
-            echo '<a href="javascript:void(0)">' . Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32') . '</a>';
+            echo '<a href="javascript:void(0)">'.Display::return_icon('new_note.png', get_lang('NoteAddNew'), '', '32').'</a>';
         }
 
-        echo '<a href="index.php?' . api_get_cidreq() . '&action=changeview&view=creation_date&direction=' . $link_sort_direction . '">' .
-            Display::return_icon('notes_order_by_date_new.png', get_lang('OrderByCreationDate'), '', '32') . '</a>';
-        echo '<a href="index.php?' . api_get_cidreq() . '&action=changeview&view=update_date&direction=' . $link_sort_direction . '">' .
-            Display::return_icon('notes_order_by_date_mod.png', get_lang('OrderByModificationDate'), '', '32') . '</a>';
-        echo '<a href="index.php?' . api_get_cidreq() . '&action=changeview&view=title&direction=' . $link_sort_direction . '">' .
-            Display::return_icon('notes_order_by_title.png', get_lang('OrderByTitle'), '', '32') . '</a>';
+        echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=creation_date&direction='.$link_sort_direction.'">'.
+            Display::return_icon('notes_order_by_date_new.png', get_lang('OrderByCreationDate'), '', '32').'</a>';
+        echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=update_date&direction='.$link_sort_direction.'">'.
+            Display::return_icon('notes_order_by_date_mod.png', get_lang('OrderByModificationDate'), '', '32').'</a>';
+        echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=title&direction='.$link_sort_direction.'">'.
+            Display::return_icon('notes_order_by_title.png', get_lang('OrderByTitle'), '', '32').'</a>';
         echo '</div>';
 
         if (!isset($_SESSION['notebook_view']) || !in_array($_SESSION['notebook_view'], array('creation_date', 'update_date', 'title'))) {
@@ -248,9 +248,9 @@ 
         // Database table definition
         $t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
         if ($_SESSION['notebook_view'] == 'creation_date' || $_SESSION['notebook_view'] == 'update_date') {
-            $order_by = " ORDER BY " . $_SESSION['notebook_view'] . " $sort_direction ";
+            $order_by = " ORDER BY ".$_SESSION['notebook_view']." $sort_direction ";
         } else {
-            $order_by = " ORDER BY " . $_SESSION['notebook_view'] . " $sort_direction ";
+            $order_by = " ORDER BY ".$_SESSION['notebook_view']." $sort_direction ";
         }
 
         //condition for the session
@@ -263,7 +263,7 @@ 
         $sql = "SELECT * FROM $t_notebook
                 WHERE
                     c_id = $course_id AND
-                    user_id = '" . api_get_user_id() . "'
+                    user_id = '".api_get_user_id()."'
                     $condition_session
                     $cond_extra $order_by
                 ";
@@ -273,18 +273,18 @@ 
             $session_img = api_get_session_image($row['session_id'], $_user['status']);
             $updateValue = '';
             if ($row['update_date'] <> $row['creation_date']) {
-                $updateValue = ', ' . get_lang('UpdateDate') . ': ' . Display::dateToStringAgoAndLongDate($row['update_date']);
+                $updateValue = ', '.get_lang('UpdateDate').': '.Display::dateToStringAgoAndLongDate($row['update_date']);
             }
 
-            $actions = '<a href="' . api_get_self() . '?action=editnote&notebook_id=' . $row['notebook_id'] . '">' .
-                Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL) . '</a>';
-            $actions .= '<a href="' . api_get_self() . '?action=deletenote&notebook_id=' . $row['notebook_id'] . '" onclick="return confirmation(\'' . $row['title'] . '\');">' .
-                Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) . '</a>';
+            $actions = '<a href="'.api_get_self().'?action=editnote&notebook_id='.$row['notebook_id'].'">'.
+                Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL).'</a>';
+            $actions .= '<a href="'.api_get_self().'?action=deletenote&notebook_id='.$row['notebook_id'].'" onclick="return confirmation(\''.$row['title'].'\');">'.
+                Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).'</a>';
 
             echo Display::panel(
                 $row['description'],
-                $row['title'] . $session_img.' <div class="pull-right">'.$actions.'</div>',
-                get_lang('CreationDate') . ': ' . Display::dateToStringAgoAndLongDate($row['creation_date']). $updateValue
+                $row['title'].$session_img.' <div class="pull-right">'.$actions.'</div>',
+                get_lang('CreationDate').': '.Display::dateToStringAgoAndLongDate($row['creation_date']).$updateValue
             );
         }
     }

main/inc/lib/display.lib.php

Braces +3 added lines, -2 removed lines

@@ -666,9 +666,10 @@
         $result = '';
         for ($i = $min; $i <= $max; $i ++) {
             $result .= '<option value="'.$i.'"';
-            if (is_int($selected_num))
-                if ($selected_num == $i) {
+            if (is_int($selected_num)) {
+                            if ($selected_num == $i) {
                     $result .= ' selected="selected"';
+            }
                 }
             $result .= '>'.$i.'</option>';
         }

Spacing +71 added lines, -72 removed lines

@@ -56,7 +56,7 @@ 
      * @param string Optional help file name
      * @param string $page_header
      */
-    public static function display_header($tool_name ='', $help = null, $page_header = null)
+    public static function display_header($tool_name = '', $help = null, $page_header = null)
     {
         $origin = api_get_origin();
         $showHeader = true;
@@ -354,7 +354,7 @@ 
         $grid_class = array(),
         $elementCount = 0
     ) {
-        $column =  0;
+        $column = 0;
         $default_items_per_page = isset($paging_options['per_page']) ? $paging_options['per_page'] : 20;
 
         $table = new SortableTableFromArray($content, $column, $default_items_per_page, $name);
@@ -483,7 +483,7 @@ 
      * @deprecated use Display::addFlash with Display::return_message
      * @return void
      */
-    public static function display_confirmation_message ($message, $filter = true, $returnValue = false)
+    public static function display_confirmation_message($message, $filter = true, $returnValue = false)
     {
         $message = self::return_message($message, 'confirm', $filter);
         if ($returnValue) {
@@ -502,7 +502,7 @@ 
      *
      * @return void
      */
-    public static function display_error_message ($message, $filter = true, $returnValue = false)
+    public static function display_error_message($message, $filter = true, $returnValue = false)
     {
         $message = self::return_message($message, 'error', $filter);
         if ($returnValue) {
@@ -517,7 +517,7 @@ 
      * @param string $type
      * @param bool $filter
      */
-    public static function return_message_and_translate($message, $type='normal', $filter = true)
+    public static function return_message_and_translate($message, $type = 'normal', $filter = true)
     {
         $message = get_lang($message);
         echo self::return_message($message, $type, $filter);
@@ -584,14 +584,14 @@ 
         }
         // Encrypt email
         $hmail = '';
-        for ($i = 0; $i < strlen($email); $i ++) {
+        for ($i = 0; $i < strlen($email); $i++) {
             $hmail .= '&#'.ord($email {
             $i }).';';
         }
         $hclickable_text = null;
         // Encrypt clickable text if @ is present
         if (strpos($clickable_text, '@')) {
-            for ($i = 0; $i < strlen($clickable_text); $i ++) {
+            for ($i = 0; $i < strlen($clickable_text); $i++) {
                 $hclickable_text .= '&#'.ord($clickable_text {
                 $i }).';';
             }
@@ -623,7 +623,7 @@ 
         }
         // Encrypt email
         $hmail = '';
-        for ($i = 0; $i < strlen($email); $i ++) {
+        for ($i = 0; $i < strlen($email); $i++) {
             $hmail .= '&#'.ord($email {
             $i }).';';
         }
@@ -643,7 +643,7 @@ 
     public static function get_alphabet_options($selected_letter = '')
     {
         $result = '';
-        for ($i = 65; $i <= 90; $i ++) {
+        for ($i = 65; $i <= 90; $i++) {
             $letter = chr($i);
             $result .= '<option value="'.$letter.'"';
             if ($selected_letter == $letter) {
@@ -664,7 +664,7 @@ 
     public static function get_numeric_options($min, $max, $selected_num = 0)
     {
         $result = '';
-        for ($i = $min; $i <= $max; $i ++) {
+        for ($i = $min; $i <= $max; $i++) {
             $result .= '<option value="'.$i.'"';
             if (is_int($selected_num))
                 if ($selected_num == $i) {
@@ -734,8 +734,8 @@ 
         // important to use the public path (i.e. web/css/) rather than the
         // internal path (/app/Resource/public/css/) because the path used
         // in the end must be the public path
-        $alternateCssPath = api_get_path(SYS_PUBLIC_PATH) . 'css/';
-        $alternateWebCssPath = api_get_path(WEB_PUBLIC_PATH) . 'css/';
+        $alternateCssPath = api_get_path(SYS_PUBLIC_PATH).'css/';
+        $alternateWebCssPath = api_get_path(WEB_PUBLIC_PATH).'css/';
 
         $image = trim($image);
 
@@ -745,7 +745,7 @@ 
             $size = ICON_SIZE_SMALL;
         }
 
-        $size_extra = $size . '/';
+        $size_extra = $size.'/';
 
         // Checking the img/ folder
         $icon = $w_code_path.'img/'.$image;
@@ -753,7 +753,7 @@ 
         $theme = 'themes/chamilo/icons/';
 
         if ($loadThemeIcon) {
-            $theme = 'themes/' . api_get_visual_theme() . '/icons/';
+            $theme = 'themes/'.api_get_visual_theme().'/icons/';
             // Checking the theme icons folder example: app/Resources/public/css/themes/chamilo/icons/XXX
             if (is_file($alternateCssPath.$theme.$size_extra.$image)) {
                 $icon = $alternateWebCssPath.$theme.$size_extra.$image;
@@ -775,11 +775,11 @@ 
         // ask for the SVG version directly
         $svgIcons = api_get_setting('icons_mode_svg');
         if ($svgIcons == 'true' && $return_only_path == false) {
-            $svgImage = substr($image, 0, -3) . 'svg';
-            if (is_file($code_path . $theme . 'svg/' . $svgImage)) {
-                $icon = $w_code_path . $theme . 'svg/' . $svgImage;
-            } elseif (is_file($code_path . 'img/icons/svg/' . $svgImage)) {
-                $icon = $w_code_path . 'img/icons/svg/' . $svgImage;
+            $svgImage = substr($image, 0, -3).'svg';
+            if (is_file($code_path.$theme.'svg/'.$svgImage)) {
+                $icon = $w_code_path.$theme.'svg/'.$svgImage;
+            } elseif (is_file($code_path.'img/icons/svg/'.$svgImage)) {
+                $icon = $w_code_path.'img/icons/svg/'.$svgImage;
             }
 
             if (empty($additional_attributes['height'])) {
@@ -868,7 +868,7 @@ 
             }
         }
         //some tags don't have this </XXX>
-        if (in_array($tag, array('img','input','br'))) {
+        if (in_array($tag, array('img', 'input', 'br'))) {
             $return_value = '<'.$tag.' '.$attribute_list.' />';
         } else {
             $return_value = '<'.$tag.' '.$attribute_list.' >'.$content.'</'.$tag.'>';
@@ -921,13 +921,13 @@ 
     public static function input($type, $name, $value, $attributes = array())
     {
          if (isset($type)) {
-             $attributes['type']= $type;
+             $attributes['type'] = $type;
          }
          if (isset($name)) {
-             $attributes['name']= $name;
+             $attributes['name'] = $name;
          }
          if (isset($value)) {
-             $attributes['value']= $value;
+             $attributes['value'] = $value;
         }
         return self::tag('input', '', $attributes);
     }
@@ -960,14 +960,14 @@ 
     ) {
         $html = '';
         $extra = '';
-        $default_id = 'id="' . $name . '" ';
+        $default_id = 'id="'.$name.'" ';
         foreach ($extra_attributes as $key => $parameter) {
             if ($key == 'id') {
                 $default_id = '';
             }
-            $extra .= $key . '="' . $parameter . '" ';
+            $extra .= $key.'="'.$parameter.'" ';
         }
-        $html .= '<select name="' . $name . '" ' . $default_id . ' ' . $extra . '>';
+        $html .= '<select name="'.$name.'" '.$default_id.' '.$extra.'>';
 
         if ($show_blank_item) {
             if (empty($blank_item_text)) {
@@ -975,14 +975,14 @@ 
             } else {
                 $blank_item_text = Security::remove_XSS($blank_item_text);
             }
-            $html .= self::tag('option', '-- ' . $blank_item_text . ' --', array('value' => '-1'));
+            $html .= self::tag('option', '-- '.$blank_item_text.' --', array('value' => '-1'));
         }
         if ($values) {
             foreach ($values as $key => $value) {
                 if (is_array($value) && isset($value['name'])) {
                     $value = $value['name'];
                 }
-                $html .= '<option value="' . $key . '"';
+                $html .= '<option value="'.$key.'"';
 
                 if (is_array($default)) {
                     foreach ($default as $item) {
@@ -997,7 +997,7 @@ 
                     }
                 }
 
-                $html .= '>' . $value . '</option>';
+                $html .= '>'.$value.'</option>';
             }
         }
         $html .= '</select>';
@@ -1025,7 +1025,7 @@ 
      */
     public static function tabs($headers, $items, $id = 'tabs', $attributes = array(), $ul_attributes = array())
     {
-        if (empty($headers) || count($headers) == 0 ) {
+        if (empty($headers) || count($headers) == 0) {
             return '';
         }
 
@@ -1036,7 +1036,7 @@ 
             if ($i == 1) {
                 $active = ' active';
             }
-            $item = self::tag('a', $item, array('href'=>'#'.$id.'-'.$i, 'role'=> 'tab', 'data-toggle' => 'tab', 'id' => $id . $i));
+            $item = self::tag('a', $item, array('href'=>'#'.$id.'-'.$i, 'role'=> 'tab', 'data-toggle' => 'tab', 'id' => $id.$i));
             $ul_attributes['role'] = 'presentation';
             $ul_attributes['class'] = $active;
             $lis .= self::tag('li', $item, $ul_attributes);
@@ -1065,7 +1065,7 @@ 
 
         $main_div = self::tag('div', $ul.self::tag('div', $divs, ['class' => 'tab-content']), $attributes);
 
-        return $main_div ;
+        return $main_div;
     }
 
     /**
@@ -1113,8 +1113,8 @@ 
      */
     public static function grid_html($div_id)
     {
-        $table = self::tag('table','', array('id' => $div_id));
-        $table .= self::tag('div','', array('id' => $div_id.'_pager'));
+        $table = self::tag('table', '', array('id' => $div_id));
+        $table .= self::tag('div', '', array('id' => $div_id.'_pager'));
         return $table;
     }
 
@@ -1175,7 +1175,7 @@ 
         $obj->colNames      = $column_names;
         $obj->colModel      = $column_model;
         $obj->pager         = '#'.$div_id.'_pager';
-        $obj->datatype  = 'json';
+        $obj->datatype = 'json';
         $obj->viewrecords = 'true';
 
         $all_value = 10000000;
@@ -1236,10 +1236,10 @@ 
         // Adding static data.
         if (!empty($data)) {
             $data_var = $div_id.'_data';
-            $json.=' var '.$data_var.' = '.json_encode($data).';';
+            $json .= ' var '.$data_var.' = '.json_encode($data).';';
             $obj->data = $data_var;
             $obj->datatype = 'local';
-            $json.="\n";
+            $json .= "\n";
         }
 
         $obj->end = 'end';
@@ -1253,12 +1253,12 @@ 
         }
 
         // Fixing true/false js values that doesn't need the ""
-        $json_encode = str_replace(':"true"',':true',$json_encode);
+        $json_encode = str_replace(':"true"', ':true', $json_encode);
         // wrap_cell is not a valid jqgrid attributes is a hack to wrap a text
         $json_encode = str_replace('"wrap_cell":true', 'cellattr : function(rowId, value, rowObject, colModel, arrData) { return \'class = "jqgrid_whitespace"\'; }', $json_encode);
-        $json_encode = str_replace(':"false"',':false',$json_encode);
+        $json_encode = str_replace(':"false"', ':false', $json_encode);
         $json_encode = str_replace('"formatter":"action_formatter"', 'formatter:action_formatter', $json_encode);
-        $json_encode = str_replace(array('{"first":"first",','"end":"end"}'), '', $json_encode);
+        $json_encode = str_replace(array('{"first":"first",', '"end":"end"}'), '', $json_encode);
 
         // Creating the jqgrid element.
         $json .= '$("#'.$div_id.'").jqGrid({';
@@ -1273,22 +1273,22 @@ 
             $groups = '';
             foreach ($extra_params['groupHeaders'] as $group) {
                 //{ "startColumnName" : "courses", "numberOfColumns" : 1, "titleText" : "Order Info" },
-                $groups .= '{ "startColumnName" : "' . $group['startColumnName'] . '", "numberOfColumns" : ' . $group['numberOfColumns'] . ', "titleText" : "' . $group['titleText']  . '" },';
+                $groups .= '{ "startColumnName" : "'.$group['startColumnName'].'", "numberOfColumns" : '.$group['numberOfColumns'].', "titleText" : "'.$group['titleText'].'" },';
 
             }
             $json .= '$("#'.$div_id.'").jqGrid("setGroupHeaders", {
                 "useColSpanStyle" : false,
                 "groupHeaders"    : [
-                    ' . $groups . '
+                    ' . $groups.'
                 ]
             });';
         }
 
         $all_text = addslashes(get_lang('All'));
         $json .= '$("'.$obj->pager.' option[value='.$all_value.']").text("'.$all_text.'");';
-        $json.= "\n";
+        $json .= "\n";
         // Adding edit/delete icons.
-        $json.= $formatter;
+        $json .= $formatter;
 
         return $json;
     }
@@ -1319,7 +1319,7 @@ 
         }
 
         if (!empty($rows)) {
-	        foreach($rows as $content) {
+	        foreach ($rows as $content) {
 	            $table->setCellContents($row, $column, $content);
                 $row++;
             }
@@ -1430,7 +1430,7 @@ 
                             lastedit_user_id != $user_id $sessionCondition AND 
                             visibility != 2 AND
                             (to_user_id IN ('$user_id', '0') OR to_user_id IS NULL) AND
-                            (to_group_id IN ('".implode("','",$group_ids)."') OR to_group_id IS NULL)       
+                            (to_group_id IN ('".implode("','", $group_ids)."') OR to_group_id IS NULL)       
                         ORDER BY lastedit_date DESC
                         LIMIT 1";
 
@@ -1449,9 +1449,8 @@ 
         $return = '&nbsp;';
         foreach ($notifications as $notification) {
             $toolName = $notification['tool'];
-            if (!
-                (
-                    $notification['visibility'] == '1'  ||
+            if (!(
+                    $notification['visibility'] == '1' ||
                     ($status == '1' && $notification['visibility'] == '0') ||
                     !isset($notification['visibility'])
                 )
@@ -1535,9 +1534,9 @@ 
             $main_user_table = Database :: get_main_table(TABLE_MAIN_USER);
             $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
             // Request for the name of the general coach
-            $sql ='SELECT tu.lastname, tu.firstname, ts.*
+            $sql = 'SELECT tu.lastname, tu.firstname, ts.*
                     FROM '.$tbl_session.' ts
-                    LEFT JOIN '.$main_user_table .' tu
+                    LEFT JOIN '.$main_user_table.' tu
                     ON ts.id_coach = tu.user_id
                     WHERE ts.id = '.intval($session_id);
             $rs = Database::query($sql);
@@ -1549,7 +1548,7 @@ 
             $session['title'] = $session_info['name'];
             $session['id_coach'] = $session_info['id_coach'];
             $session['coach'] = '';
-            $session['dates'] =  '';
+            $session['dates'] = '';
 
             if (($session_info['access_end_date'] == '0000-00-00 00:00:00' && $session_info['access_start_date'] == '0000-00-00 00:00:00') ||
                 ($session_info['access_end_date'] == '0000-00-00 00:00:00' && $session_info['access_start_date'] == '0000-00-00 00:00:00') ||
@@ -1621,7 +1620,7 @@ 
                 $session['dates'] = $dates['access'];
 
 
-                if (api_get_setting('show_session_coach') === 'true' ) {
+                if (api_get_setting('show_session_coach') === 'true') {
                     $session['coach'] = api_get_person_name(
                         $session_info['firstname'],
                         $session_info['lastname']
@@ -1675,9 +1674,9 @@ 
 		$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
 
 		if (!empty($percentage)) {
-            $percentage = $percentage*125/100;
+            $percentage = $percentage * 125 / 100;
         }
-		$accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
+		$accesses = isset($point_info['accesses']) ? $point_info['accesses'] : 0;
 
 		$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
 
@@ -1692,19 +1691,19 @@ 
 
 		$labels = array();
 
-		$labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
-		$labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
+		$labels[] = $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
+		$labels[] = $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
 		/* if (!empty($number_of_users_who_voted)) {
 			$labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
 		} */
 
-		$labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
+		$labels[] = $point_info['user_vote'] ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote').' [?] ';
 
 		if (!$add_div_wrapper && api_is_anonymous()) {
-			$labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
+			$labels[] = Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
 		}
 
-        $html .= Display::div(implode(' | ', $labels) , array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
+        $html .= Display::div(implode(' | ', $labels), array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
         $html .= ' '.Display::span(' ', array('id' =>  'vote_label2_'.$id));
 
         if ($add_div_wrapper) {
@@ -1777,8 +1776,8 @@ 
         if (!empty($list)) {
             $html = '<dl class="dl-horizontal">';
             foreach ($list as $item) {
-                $html .= '<dt>' . $item['title'] . '</dt>';
-                $html .= '<dd>' . $item['content'] . '</dd>';
+                $html .= '<dt>'.$item['title'].'</dt>';
+                $html .= '<dd>'.$item['content'].'</dd>';
             }
             $html .= '</dl>';
         }
@@ -1820,7 +1819,7 @@ 
      * @param string $type
      * @return null|string
      */
-    public static function badge($count, $type ="warning")
+    public static function badge($count, $type = "warning")
     {
         $class = '';
 
@@ -1896,7 +1895,7 @@ 
         if (!empty($content)) {
             $html = '<span class="label '.$class.'">';
             $html .= $content;
-            $html .='</span>';
+            $html .= '</span>';
         }
 
         return $html;
@@ -1917,7 +1916,7 @@ 
                     $class = 'class ="active"';
                 }
 
-                if (basename($_SERVER['REQUEST_URI']) == basename($value['url']) ) {
+                if (basename($_SERVER['REQUEST_URI']) == basename($value['url'])) {
                     $class = 'class ="active"';
                 }
                 $html .= "<li $class >";
@@ -2171,7 +2170,7 @@ 
         }
         $label = $nextValue + $localCounter + 1;
         if ($isMedia) {
-            $label = ($fixedValue + 1) .' '.chr(97 + $localCounter);
+            $label = ($fixedValue + 1).' '.chr(97 + $localCounter);
             $link_to_show = $link.$fixedValue.'#questionanchor'.$itemId;
         }
         $link = Display::url($label.' ', $link_to_show, $linkAttributes);
@@ -2352,7 +2351,7 @@ 
         $attributes['title'] = isset($attributes['title']) ? $attributes['title'] : $text;
 
         if (!$includeText) {
-            $text = '<span class="sr-only">' . $text . '</span>';
+            $text = '<span class="sr-only">'.$text.'</span>';
         }
 
         return self::url("$icon $text", $url, $attributes);
@@ -2367,9 +2366,9 @@ 
      */
     public static function toolbarAction($id, $content = array(), $col = 2, $right = true)
     {
-        $columns = 12/$col;
+        $columns = 12 / $col;
         $html = '';
-        $html .= '<div id="' . $id . '" class="actions">';
+        $html .= '<div id="'.$id.'" class="actions">';
         $html .= '<div class="row">';
         if ($col > 4) {
             $html = '<div class="alert alert-warning" role="alert">
@@ -2377,7 +2376,7 @@ 
             </div>';
         } else {
             for ($i = 0; $i < $col; $i++) {
-                $html .= '<div class="col-md-' . $columns . '">';
+                $html .= '<div class="col-md-'.$columns.'">';
                 if ($col == 2 && $i == 1) {
                     if ($right === true) {
                         $html .= '<div class="pull-right">';
@@ -2493,9 +2492,9 @@ 
             $params['class'] = 'panel panel-default';
             $html = null;
             if (!empty($title)) {
-                $html .= '<div class="panel-heading">'.$title.'</div>' . PHP_EOL;
+                $html .= '<div class="panel-heading">'.$title.'</div>'.PHP_EOL;
             }
-            $html.= '<div class="panel-body">'.$content.'</div>' . PHP_EOL;
+            $html .= '<div class="panel-body">'.$content.'</div>'.PHP_EOL;
             $html = Display::div($html, $params);
         }
         return $html;

Doc Comments +26 added lines, -17 removed lines

@@ -33,7 +33,7 @@ 
     }
 
     /**
-     * @return array
+     * @return string[]
      */
     public static function toolList()
     {
@@ -293,7 +293,6 @@ 
      * 					'page_nr' = The page to display
      * 					'hide_navigation' =  true to hide the navigation
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $form actions Additional variables to add in the query-string
      * @param mixed An array with bool values to know which columns show.
      * i.e: $visibility_options= array(true, false) we will only show the first column
      * 				Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
@@ -334,7 +333,6 @@ 
      * 					'page_nr' = The page to display
      * 					'hide_navigation' =  true to hide the navigation
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $form actions Additional variables to add in the query-string
      * @param mixed An array with bool values to know which columns show. i.e:
      *  $visibility_options= array(true, false) we will only show the first column
      * 	Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
@@ -391,10 +389,11 @@ 
      * 					'per_page' = number of items to show per page
      * 					'page_nr' = The page to display
      * @param array $query_vars Additional variables to add in the query-string
-     * @param array $column_show Array of binaries 1= show columns 0. hide a column
+     * @param integer[] $column_show Array of binaries 1= show columns 0. hide a column
      * @param array $column_order An array of integers that let us decide how the columns are going to be sort.
      * 						      i.e:  $column_order=array('1''4','3','4'); The 2nd column will be order like the 4th column
      * @param array $form_actions Set optional forms actions
+     * @param string $table_name
      *
      * @author Julio Montoya
      */
@@ -449,7 +448,7 @@ 
      *
      * @deprecated use Display::addFlash with Display::return_message($message, 'normal');
      *
-     * @return void
+     * @return string|null
      */
     public static function display_normal_message($message, $filter = true, $returnValue = false)
     {
@@ -481,7 +480,7 @@ 
      * Displays an confirmation message. Use this if something has been done successfully
      * @param bool	Filter (true) or not (false)
      * @deprecated use Display::addFlash with Display::return_message
-     * @return void
+     * @return string|null
      */
     public static function display_confirmation_message ($message, $filter = true, $returnValue = false)
     {
@@ -500,7 +499,7 @@ 
      * @param bool	Filter (true) or not (false)
      * @deprecated use Display::addFlash with Display::return_message
      *
-     * @return void
+     * @return string|null
      */
     public static function display_error_message ($message, $filter = true, $returnValue = false)
     {
@@ -681,6 +680,7 @@ 
      * @param string   The alt text (probably a language variable)
      * @param array    additional attributes (for instance height, width, onclick, ...)
      * @param integer  The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
+     * @param string $image
      * @return void
     */
     public static function display_icon(
@@ -917,6 +917,7 @@ 
     /**
      * Displays an HTML input tag
      *
+     * @param string $type
      */
     public static function input($type, $name, $value, $attributes = array())
     {
@@ -933,8 +934,8 @@ 
     }
 
     /**
-     * @param $name
-     * @param $value
+     * @param string $name
+     * @param string $value
      * @param array $attributes
      * @return string
      */
@@ -949,6 +950,7 @@ 
     /**
      * Displays an HTML select tag
      *
+     * @param string $blank_item_text
      */
     public static function select(
         $name,
@@ -1015,8 +1017,8 @@ 
                         $( "#tabs" ).tabs();
                     });
                 </script>
-     * @param   array   $headers list of the tab titles
-     * @param   array   $items
+     * @param   string[]   $headers list of the tab titles
+     * @param   string[]   $items
      * @param   string  $id id of the container of the tab in the example "tabs"
      * @param   array   $attributes for the ul
      * @param array $ul_attributes
@@ -1070,7 +1072,7 @@ 
 
     /**
      * @param $headers
-     * @param null $selected
+     * @param integer $selected
      *
      * @return string
      */
@@ -1108,6 +1110,7 @@ 
      * As you can see both function use the same "my_grid_name" this is very important otherwise nothing will work
      *
      * @param   string  the div id, this value must be the same with the first parameter of Display::grid_js()
+     * @param string $div_id
      * @return  string  html
      *
      */
@@ -1668,6 +1671,8 @@ 
      * @param  string  url that will be added (for jquery see hot_courses.tpl)
 	 * @param	string	point info array see function CourseManager::get_course_ranking()
 	 * @param	bool	add a div wrapper
+	 * @param string $id
+	 * @param string $url
 	 * @todo	use     templates
      **/
     public static function return_rating_system($id, $url, $point_info = array(), $add_div_wrapper = true)
@@ -1758,6 +1763,9 @@ 
         return '<'.$size.'>'.Security::remove_XSS($title).'</'.$size.'>';
     }
 
+    /**
+     * @param string $title
+     */
     public static function page_subheader2($title, $second_title = null)
     {
         return self::page_header($title, $second_title, 'h4');
@@ -2005,6 +2013,7 @@ 
 
     /**
      * @todo use twig
+     * @param string $title
      */
     public static function groupButtonWithDropDown($title, $elements)
     {
@@ -2378,9 +2387,9 @@ 
 
     /**
      * @param int $id
-     * @param array $content
+     * @param string[] $content
      * @param int $col
-     * @param bool|true $right
+     * @param boolean $right
      * @return string
      */
     public static function toolbarAction($id, $content = array(), $col = 2, $right = true)
@@ -2464,10 +2473,10 @@ 
     /**
      * @param string $title
      * @param string $content
-     * @param null $id
+     * @param string $id
      * @param array $params
-     * @param null $idAccordion
-     * @param null $idCollapse
+     * @param string $idAccordion
+     * @param string $idCollapse
      * @param bool|true $open
      * @param bool|false $fullClickable
      * @return null|string

Indentation +66 added lines, -66 removed lines

@@ -50,12 +50,12 @@ 
         );
     }
 
-     /**
-     * Displays the page header
-     * @param string The name of the page (will be showed in the page title)
-     * @param string Optional help file name
-     * @param string $page_header
-     */
+        /**
+         * Displays the page header
+         * @param string The name of the page (will be showed in the page title)
+         * @param string Optional help file name
+         * @param string $page_header
+         */
     public static function display_header($tool_name ='', $help = null, $page_header = null)
     {
         $origin = api_get_origin();
@@ -453,7 +453,7 @@ 
      */
     public static function display_normal_message($message, $filter = true, $returnValue = false)
     {
-    	$message = self::return_message($message, 'normal', $filter);
+        $message = self::return_message($message, 'normal', $filter);
         if ($returnValue) {
             return $message;
         } else {
@@ -537,22 +537,22 @@ 
         }
 
         if ($filter) {
-        	$message = api_htmlentities($message, ENT_QUOTES, api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding());
+            $message = api_htmlentities($message, ENT_QUOTES, api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding());
         }
 
         $class = '';
         switch ($type) {
             case 'warning':
                $class .= 'alert alert-warning';
-               break;
+                break;
             case 'error':
                $class .= 'alert alert-danger';
-               break;
+                break;
             case 'confirmation':
             case 'confirm':
             case 'success':
                 $class .= 'alert alert-success';
-               break;
+                break;
             case 'normal':
             default:
                 $class .= 'alert alert-info';
@@ -682,7 +682,7 @@ 
      * @param array    additional attributes (for instance height, width, onclick, ...)
      * @param integer  The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
      * @return void
-    */
+     */
     public static function display_icon(
         $image,
         $alt_text = '',
@@ -718,7 +718,7 @@ 
      * @author Julio Montoya 2010 Function improved, adding image constants
      * @author Yannick Warnier 2011 Added size handler
      * @version Feb 2011
-    */
+     */
     public static function return_icon(
         $image,
         $alt_text = '',
@@ -920,14 +920,14 @@ 
      */
     public static function input($type, $name, $value, $attributes = array())
     {
-         if (isset($type)) {
-             $attributes['type']= $type;
-         }
-         if (isset($name)) {
-             $attributes['name']= $name;
-         }
-         if (isset($value)) {
-             $attributes['value']= $value;
+            if (isset($type)) {
+                $attributes['type']= $type;
+            }
+            if (isset($name)) {
+                $attributes['name']= $name;
+            }
+            if (isset($value)) {
+                $attributes['value']= $value;
         }
         return self::tag('input', '', $attributes);
     }
@@ -940,10 +940,10 @@ 
      */
     public static function button($name, $value, $attributes = array())
     {
-    	if (!empty($name)) {
+        if (!empty($name)) {
             $attributes['name'] = $name;
-    	}
-    	return self::tag('button', $value, $attributes);
+        }
+        return self::tag('button', $value, $attributes);
     }
 
     /**
@@ -1010,7 +1010,7 @@ 
      * in the $htmlHeadXtra variable before the display_header
      * Add this script
      * @example
-             * <script>
+     * <script>
                     $(function() {
                         $( "#tabs" ).tabs();
                     });
@@ -1076,20 +1076,20 @@ 
      */
     public static function tabsOnlyLink($headers, $selected = null)
     {
-         $id = uniqid();
-         $i = 1;
-         $lis = null;
-         foreach ($headers as $item) {
+            $id = uniqid();
+            $i = 1;
+            $lis = null;
+            foreach ($headers as $item) {
             $class = null;
             if ($i == $selected) {
                 $class = 'active';
             }
-             $item = self::tag(
-                 'a',
-                 $item['content'],
-                 array('id' => $id.'-'.$i, 'href' => $item['url'])
-             );
-             $lis .= self::tag('li', $item, array('class' => $class));
+                $item = self::tag(
+                    'a',
+                    $item['content'],
+                    array('id' => $id.'-'.$i, 'href' => $item['url'])
+                );
+                $lis .= self::tag('li', $item, array('class' => $class));
             $i++;
         }
         return self::tag('ul', $lis, array('class' => 'nav nav-tabs tabs-margin'));
@@ -1301,8 +1301,8 @@ 
      */
     public static function table($headers, $rows, $attributes = array())
     {
-    	if (empty($attributes)) {
-    		$attributes['class'] = 'data_table';
+        if (empty($attributes)) {
+            $attributes['class'] = 'data_table';
         }
         $table = new HTML_Table($attributes);
         $row = 0;
@@ -1310,17 +1310,17 @@ 
 
         // Course headers
         if (!empty($headers)) {
-	        foreach ($headers as $item) {
-	            $table->setHeaderContents($row, $column, $item);
-	            $column++;
-	        }
-	        $row = 1;
-	        $column = 0;
+            foreach ($headers as $item) {
+                $table->setHeaderContents($row, $column, $item);
+                $column++;
+            }
+            $row = 1;
+            $column = 0;
         }
 
         if (!empty($rows)) {
-	        foreach($rows as $content) {
-	            $table->setCellContents($row, $column, $content);
+            foreach($rows as $content) {
+                $table->setCellContents($row, $column, $content);
                 $row++;
             }
         }
@@ -1666,21 +1666,21 @@ 
      *
      * @param  string  id of the rating ul element
      * @param  string  url that will be added (for jquery see hot_courses.tpl)
-	 * @param	string	point info array see function CourseManager::get_course_ranking()
-	 * @param	bool	add a div wrapper
-	 * @todo	use     templates
+     * @param	string	point info array see function CourseManager::get_course_ranking()
+     * @param	bool	add a div wrapper
+     * @todo	use     templates
      **/
     public static function return_rating_system($id, $url, $point_info = array(), $add_div_wrapper = true)
     {
-		$number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
-		$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
+        $number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
+        $percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
 
-		if (!empty($percentage)) {
+        if (!empty($percentage)) {
             $percentage = $percentage*125/100;
         }
-		$accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
+        $accesses =  isset($point_info['accesses']) ? $point_info['accesses'] : 0;
 
-		$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
+        $star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
 
         $html = '<ul id="'.$id.'" class="star-rating">
 					<li class="current-rating" style="width:'.$percentage.'px;"></li>
@@ -1691,26 +1691,26 @@ 
 					<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=5" title="'.$star_label.'" class="five-stars">5</a></li>
 				</ul>';
 
-		$labels = array();
+        $labels = array();
 
-		$labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
-		$labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
-		/* if (!empty($number_of_users_who_voted)) {
+        $labels[]= $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
+        $labels[]= $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
+        /* if (!empty($number_of_users_who_voted)) {
 			$labels[]= get_lang('Average').' '.$point_info['point_average_star'].'/5';
 		} */
 
-		$labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
+        $labels[]= $point_info['user_vote']  ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote'). ' [?] ';
 
-		if (!$add_div_wrapper && api_is_anonymous()) {
-			$labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
-		}
+        if (!$add_div_wrapper && api_is_anonymous()) {
+            $labels[]= Display::tag('span', get_lang('LoginToVote'), array('class' => 'error'));
+        }
 
         $html .= Display::div(implode(' | ', $labels) , array('id' =>  'vote_label_'.$id, 'class' => 'vote_label_info'));
         $html .= ' '.Display::span(' ', array('id' =>  'vote_label2_'.$id));
 
         if ($add_div_wrapper) {
-			$html = Display::div($html, array('id' => 'rating_wrapper_'.$id));
-		}
+            $html = Display::div($html, array('id' => 'rating_wrapper_'.$id));
+        }
 
         return $html;
     }
@@ -1743,8 +1743,8 @@ 
         return self::page_header($title, $second_title);
     }
 
-     public static function page_subheader_and_translate($title, $second_title = null)
-     {
+        public static function page_subheader_and_translate($title, $second_title = null)
+        {
         $title = get_lang($title);
         return self::page_subheader($title, $second_title);
     }
@@ -2527,7 +2527,7 @@ 
      */
     public static function dateToStringAgoAndLongDate($dateTime)
     {
-       if (empty($dateTime) || $dateTime === '0000-00-00 00:00:00') {
+        if (empty($dateTime) || $dateTime === '0000-00-00 00:00:00') {
             return '';
         }
 

main/inc/lib/events.lib.php

Braces +12 added lines, -4 removed lines

@@ -333,8 +333,12 @@ 
     ) {
         global $debug;
 
-        if ($debug) error_log('Called to update_event_exercice');
-        if ($debug) error_log('duration:' . $duration);
+        if ($debug) {
+            error_log('Called to update_event_exercice');
+        }
+        if ($debug) {
+            error_log('duration:' . $duration);
+        }
 
         if ($exeid != '') {
             /*
@@ -386,8 +390,12 @@ 
         		 WHERE exe_id = '".Database::escape_string($exeid)."'";
             $res = Database::query($sql);
 
-            if ($debug) error_log('update_event_exercice called');
-            if ($debug) error_log("$sql");
+            if ($debug) {
+                error_log('update_event_exercice called');
+            }
+            if ($debug) {
+                error_log("$sql");
+            }
 
             //Deleting control time session track
             //ExerciseLib::exercise_time_control_delete($exo_id);

Spacing +9 added lines, -11 removed lines

@@ -77,9 +77,7 @@ 
         Database::query($sql);
 
         // Auto subscribe
-        $user_status = $userInfo['status']  == SESSIONADMIN ? 'sessionadmin' :
-            $userInfo['status'] == COURSEMANAGER ? 'teacher' :
-                $userInfo['status'] == DRH ? 'DRH' : 'student';
+        $user_status = $userInfo['status'] == SESSIONADMIN ? 'sessionadmin' : $userInfo['status'] == COURSEMANAGER ? 'teacher' : $userInfo['status'] == DRH ? 'DRH' : 'student';
         $autoSubscribe = api_get_setting($user_status.'_autosubscribe');
         if ($autoSubscribe) {
             $autoSubscribe = explode('|', $autoSubscribe);
@@ -336,7 +334,7 @@ 
         global $debug;
 
         if ($debug) error_log('Called to update_event_exercice');
-        if ($debug) error_log('duration:' . $duration);
+        if ($debug) error_log('duration:'.$duration);
 
         if ($exeid != '') {
             /*
@@ -384,7 +382,7 @@ 
         		   status = '".$status."',
         		   questions_to_check = '".$remind_list."',
         		   data_tracking = '".implode(',', $question_list)."',
-                   user_ip = '" . Database::escape_string(api_get_real_ip()) . "'
+                   user_ip = '" . Database::escape_string(api_get_real_ip())."'
         		 WHERE exe_id = '".Database::escape_string($exeid)."'";
             $res = Database::query($sql);
 
@@ -1055,15 +1053,15 @@ 
 
         if (!empty($exe_list) && is_array($exe_list) && count($exe_list) > 0) {
             $sql = "DELETE FROM $track_e_exercises
-                WHERE exe_id IN (" . implode(',', $exe_list) . ")";
+                WHERE exe_id IN (".implode(',', $exe_list).")";
             Database::query($sql);
 
             $sql = "DELETE FROM $track_attempts
-                WHERE exe_id IN (" . implode(',', $exe_list) . ")";
+                WHERE exe_id IN (".implode(',', $exe_list).")";
             Database::query($sql);
 
             $sql = "DELETE FROM $recording_table
-                WHERE exe_id IN (" . implode(',', $exe_list) . ")";
+                WHERE exe_id IN (".implode(',', $exe_list).")";
             Database::query($sql);
         }
 
@@ -1105,7 +1103,7 @@ 
             Event::addEvent(
                 LOG_EXERCISE_RESULT_DELETE,
                 LOG_EXERCISE_AND_USER_ID,
-                $exercise_id . '-' . $user_id,
+                $exercise_id.'-'.$user_id,
                 null,
                 null,
                 $course_id,
@@ -1705,7 +1703,7 @@ 
         Event::addEvent(
             LOG_QUESTION_RESULT_DELETE,
             LOG_EXERCISE_ATTEMPT_QUESTION_ID,
-            $exe_id . '-' . $question_id,
+            $exe_id.'-'.$question_id,
             null,
             null,
             $courseId,
@@ -1741,7 +1739,7 @@ 
         Event::addEvent(
             LOG_QUESTION_RESULT_DELETE,
             LOG_EXERCISE_ATTEMPT_QUESTION_ID,
-            $exe_id . '-' . $question_id,
+            $exe_id.'-'.$question_id,
             null,
             null,
             $courseId,

Doc Comments +20 added lines, -9 removed lines

@@ -239,7 +239,7 @@ 
     }
 
     /**
-     * @param doc_id id of document (id in mainDb.document table)
+     * @param doc_id string of document (id in mainDb.document table)
      * @author Sebastien Piraux <piraux_seb@hotmail.com>
      * @desc Record information for upload event
      * used in the works tool to record informations when
@@ -313,6 +313,9 @@ 
      * @param   int     session_id
      * @param   int     learnpath_id (id of the learnpath)
      * @param   int     learnpath_item_id (id of the learnpath_item)
+     * @param integer $score
+     * @param integer $weighting
+     * @param integer $session_id
      *
      * @author Sebastien Piraux <piraux_seb@hotmail.com>
      * @author Julio Montoya Armas <gugli100@gmail.com> Reworked 2010
@@ -414,7 +417,9 @@ 
      * @param	integer	Session ID (from the session table). Default value of null means "get from context".
      * @param	integer	Learnpath ID (from c_lp table). Default value of null means "get from context".
      * @param	integer	Learnpath item ID (from the c_lp_item table). Default value of null means "get from context".
-     * @return	boolean	Result of the insert query
+     * @param integer $exe_id
+     * @param integer $position
+     * @return	false|string	Result of the insert query
      */
     public static function saveQuestionAttempt(
         $score,
@@ -588,6 +593,8 @@ 
      * @param	int		Whether this answer is correct (1) or not (0)
      * @param	string	Coordinates of this point (e.g. 123;324)
      * @param	bool update results?
+     * @param integer $exe_id
+     * @param integer $correct
      * @return	boolean	Result of the insert query
      * @uses Course code and user_id from global scope $_cid and $_user
      */
@@ -800,11 +807,11 @@ 
     /**
      * Save the new message for one event and for one language
      *
-     * @param string $eventName
+     * @param string $event_name
      * @param array $users
      * @param string $message
      * @param string $subject
-     * @param string $eventMessageLanguage
+     * @param string $event_message_language
      * @param int $activated
      */
     public static function save_event_type_message($event_name, $users, $message, $subject, $event_message_language, $activated)
@@ -938,10 +945,10 @@ 
     }
 
     /**
-     * @param $user_id
+     * @param integer $user_id
      * @param $exerciseId
-     * @param $lp_id
-     * @param $lp_item_id
+     * @param integer $lp_id
+     * @param integer $lp_item_id
      * @return int
      */
     public static function get_attempt_count_not_finished($user_id, $exerciseId, $lp_id, $lp_item_id)
@@ -1118,6 +1125,7 @@ 
      * @param   int     exercise id
      * @param   int $courseId
      * @param   int     session id
+     * @param integer $user_id
      * @return  array   with the results
      *
      */
@@ -1213,6 +1221,7 @@ 
      * @param   int     exercise id
      * @param   int  $courseId
      * @param   int     session id
+     * @param integer $user_id
      * @return  array   with the results
      *
      */
@@ -1301,6 +1310,8 @@ 
      * @param   int     lp id
      * @param   int     lp item id
      * @param   string 	order asc or desc
+     * @param integer $courseId
+     * @param string $order
      * @return  array   with the results
      *
      */
@@ -1367,7 +1378,7 @@ 
      * @param   int     exercise id
      * @param   int     $courseId
      * @param   int     session id
-     * @return  array   with the results
+     * @return  string   with the results
      *
      */
     public static function count_exercise_attempts_by_user($user_id, $exercise_id, $courseId, $session_id = 0)
@@ -1538,7 +1549,7 @@ 
      * @param   int     exercise id
      * @param   int   course id
      * @param   int     session id
-     * @return  array   with the results
+     * @return  integer   with the results
      *
      */
     public static function get_count_exercises_attempted_by_course($courseId, $session_id = 0)

main/inc/lib/course_description.lib.php

Spacing +5 added lines, -5 removed lines

@@ -176,7 +176,7 @@ 
 
         $sql = "SELECT MAX(description_type) as MAX
                 FROM $tbl_course_description
-		        WHERE c_id = $course_id AND session_id='" . $this->session_id . "'";
+		        WHERE c_id = $course_id AND session_id='".$this->session_id."'";
         $rs = Database::query($sql);
         $max = Database::fetch_array($rs);
         $description_type = $max['MAX'] + 1;
@@ -211,7 +211,7 @@ 
             'session_id' => $this->session_id
         ];
 
-        $last_id  = Database::insert($table, $params);
+        $last_id = Database::insert($table, $params);
 
         if ($last_id > 0) {
             $sql = "UPDATE $table SET id = iid WHERE iid = $last_id";
@@ -319,8 +319,8 @@ 
         $sql = "DELETE FROM $tbl_course_description
 			 	WHERE
 			 	    c_id = $course_id AND
-			 	    id = '" . intval($this->id) . "' AND
-			 	    session_id = '" . intval($this->session_id) . "'";
+			 	    id = '".intval($this->id)."' AND
+			 	    session_id = '" . intval($this->session_id)."'";
         $result = Database::query($sql);
         $affected_rows = Database::affected_rows($result);
         if ($this->id > 0) {
@@ -349,7 +349,7 @@ 
         $course_id = api_get_course_int_id();
 
         $sql = "SELECT id FROM $tbl_course_description
-		        WHERE c_id = $course_id AND description_type = '" . intval($description_type) . "'";
+		        WHERE c_id = $course_id AND description_type = '".intval($description_type)."'";
         $rs = Database::query($sql);
         $row = Database::fetch_array($rs);
         $description_id = $row['id'];

Doc Comments +6 added lines, -6 removed lines

@@ -359,7 +359,7 @@ 
 
     /**
      * Get description titles by default
-     * @return array
+     * @return string[]
      */
     public function get_default_description_title()
     {
@@ -378,7 +378,7 @@ 
 
     /**
      * Get description titles editable by default
-     * @return array
+     * @return boolean[]
      */
     public function get_default_description_title_editable()
     {
@@ -397,7 +397,7 @@ 
 
     /**
      * Get description icons by default
-     * @return array
+     * @return string[]
      */
     public function get_default_description_icon()
     {
@@ -417,7 +417,7 @@ 
 
     /**
      * Get questions by default for help
-     * @return array
+     * @return string[]
      */
     public function get_default_question()
     {
@@ -436,7 +436,7 @@ 
 
     /**
      * Get informations by default for help
-     * @return array
+     * @return string[]
      */
     public function get_default_information()
     {
@@ -574,7 +574,7 @@ 
     /**
      * get progress of a description
      *
-     * @return int
+     * @return string
      */
     public function get_progress()
     {

main/inc/lib/skill.lib.php

Indentation +8 added lines, -8 removed lines

@@ -33,11 +33,11 @@ 
     }
 
     /**
-    * This function is for editing profile info from profile_id.
-    * @param int    $profileId
-    * @param string $name
-    * @param string $description
-    */
+     * This function is for editing profile info from profile_id.
+     * @param int    $profileId
+     * @param string $name
+     * @param string $description
+     */
     public function updateProfileInfo($profileId, $name, $description)
     {
         $profileId = intval($profileId);
@@ -128,9 +128,9 @@ 
     }
 
     /**
-    * This function is for getting profile info from profile_id.
-    * @param int $profileId
-    */
+     * This function is for getting profile info from profile_id.
+     * @param int $profileId
+     */
 
     public function getProfileInfo($profileId)
     {

Spacing +9 added lines, -9 removed lines

@@ -803,7 +803,7 @@ 
                     $attributes = array(
                         'skill_id'      => $skill_id,
                         'parent_id'     => $parent_id,
-                        'relation_type' => (isset($params['relation_type'])?$params['relation_type']:0),
+                        'relation_type' => (isset($params['relation_type']) ? $params['relation_type'] : 0),
                         //'level'         => $params['level'],
                     );
                     $skill_rel_skill->save($attributes);
@@ -1012,7 +1012,7 @@ 
                     $skills[$skill_id] = $skill_info;
                     // Uncomment code below to hide the searched skill
                     $skills[$skill_id]['data']['parent_id'] = $skill_info['extra']['parent_id'];
-                    $skills[$skill_id]['parent_id'] =  1;
+                    $skills[$skill_id]['parent_id'] = 1;
                 }
             }
         }
@@ -1077,7 +1077,7 @@ 
                     $skill['data']['skill_has_gradebook'] = true;
                 }
                 $refs[$skill['id']] = &$skill;
-                $flat_array[$skill['id']] =  &$skill;
+                $flat_array[$skill['id']] = &$skill;
             }
 
             // Checking family value
@@ -1098,7 +1098,7 @@ 
                 $refs['root']['children'][0] = $skills[1];
                 $skills[$skill_id]['data']['family_id'] = 1;
                 $refs['root']['children'][0]['children'][0] = $skills[$skill_id];
-                $flat_array[$skill_id] =  $skills[$skill_id];
+                $flat_array[$skill_id] = $skills[$skill_id];
             } else {
                 // Moving node to the children index of their parents
 
@@ -1107,7 +1107,7 @@ 
                         $skill['data']['family_id'] = $new_family_array[$skill['id']];
                     }
                     $refs[$skill['parent_id']]['children'][] = &$skill;
-                    $flat_array[$my_skill_id] =  $skill;
+                    $flat_array[$my_skill_id] = $skill;
                 }
             }
 
@@ -1219,7 +1219,7 @@ 
                 INNER JOIN {$this->table_skill_rel_user} su
                 ON (s.id = su.skill_id)
                 WHERE user_id = $user_id";
-        $result  = Database::query($sql);
+        $result = Database::query($sql);
         if (Database::num_rows($result)) {
             $result = Database::fetch_row($result);
             return $result[0];
@@ -1261,7 +1261,7 @@ 
      */
     public function get_user_list_skill_ranking_count()
     {
-        $sql    = "SELECT count(*) FROM (
+        $sql = "SELECT count(*) FROM (
                         SELECT count(distinct 1)
                         FROM {$this->table} s
                         INNER JOIN {$this->table_skill_rel_user} su
@@ -1316,7 +1316,7 @@ 
                 ON c.code = g.course_code
                 WHERE sg.skill_id = $skill_id
                 AND (g.session_id IS NULL OR g.session_id = 0)";
-        $result   = Database::query($sql);
+        $result = Database::query($sql);
 
         return Database::store_result($result, 'ASSOC');
     }
@@ -1505,7 +1505,7 @@ 
                 WHERE sg.skill_id = $skillId
                 AND g.session_id > 0";
 
-        $result   = Database::query($sql);
+        $result = Database::query($sql);
 
         return Database::store_result($result, 'ASSOC');
     }

Doc Comments +4 added lines, -3 removed lines

@@ -348,6 +348,7 @@ 
 
     /**
      * Gets an element
+     * @param integer $gradebook_id
      */
     public function get_skill_info($skill_id, $gradebook_id)
     {
@@ -577,7 +578,7 @@ 
      * Gets an element
      * @param int $id
      *
-     * @return array|mixed
+     * @return integer
      */
     public function get($id)
     {
@@ -923,7 +924,7 @@ 
     /**
      * Get user's skills
      *
-     * @param int $userId User's id
+     * @param integer $user_id User's id
      * @param bool $get_skill_data
      */
     public function get_user_skills($user_id, $get_skill_data = false)
@@ -1133,7 +1134,7 @@ 
      * @param int skill id
      * @param bool return a flat array or not
      * @param int depth of the skills
-     * @return json
+     * @return string
      */
     public function get_skills_tree_json(
         $user_id = null,

main/inc/lib/search/xapian/XapianQuery.php

Spacing +5 added lines, -5 removed lines

@@ -8,11 +8,11 @@ 
  * Code
  */
 require_once 'xapian.php';
-require_once dirname(__FILE__) . '/../IndexableChunk.class.php';
+require_once dirname(__FILE__).'/../IndexableChunk.class.php';
 //TODO: think another way without including specific fields here
-require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
+require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
 
-define('XAPIAN_DB', api_get_path(SYS_UPLOAD_PATH) . 'plugins/xapian/searchdb/');
+define('XAPIAN_DB', api_get_path(SYS_UPLOAD_PATH).'plugins/xapian/searchdb/');
 
 /**
  * Queries the database.
@@ -95,7 +95,7 @@ 
 
                 // process each specific field prefix
                 foreach ($specific_fields as $specific_field) {
-                    $results[$count]['sf-' . $specific_field['code']] = xapian_get_doc_terms($document, $specific_field['code']);
+                    $results[$count]['sf-'.$specific_field['code']] = xapian_get_doc_terms($document, $specific_field['code']);
                 }
 
                 // rest of data
@@ -261,6 +261,6 @@ 
     } else {
         $message_error = get_lang('SearchOtherXapianError');
     }
-    $display_message = get_lang('Error') . ' : ' . $message_error;
+    $display_message = get_lang('Error').' : '.$message_error;
     Display::display_error_message($display_message);
 }

Doc Comments +1 added lines

@@ -239,6 +239,7 @@
 /**
  * @author Isaac flores paz <florespaz@bidsoftperu.com>
  * @param String The xapian error message
+ * @param string $xapian_error_message
  * @return String The chamilo error message
  */
 function display_xapian_error($xapian_error_message) {

main/inc/lib/baker.lib.php

Indentation +1 added lines, -1 removed lines

@@ -150,7 +150,7 @@
                 $data = substr($png,$ipos,$chunk['size']);
                 $sections = explode("\0", $data);
                 if ($sections[0] == $key) {
-                   return $sections;
+                    return $sections;
                 }
             }
             // Extract the data and the CRC

Spacing +18 added lines, -18 removed lines

@@ -51,7 +51,7 @@ 
             foreach (array_keys($this->_chunks[$type]) as $typekey) {
                 list($key, $data) = explode("\0", $this->_chunks[$type][$typekey]);
                 if (strcmp($key, $check) == 0) {
-                    echo 'Key "' . $check . '" already exists in "' . $type . '" chunk.';
+                    echo 'Key "'.$check.'" already exists in "'.$type.'" chunk.';
                     return false;
                 }
             }
@@ -70,11 +70,11 @@ 
      */
     public function addChunk($chunkType, $key, $value) {
         
-        $chunkData = $key . "\0" . $value;
-        $crc = pack("N", crc32($chunkType . $chunkData));
+        $chunkData = $key."\0".$value;
+        $crc = pack("N", crc32($chunkType.$chunkData));
         $len = pack("N", strlen($chunkData));
         
-        $newChunk = $len . $chunkType . $chunkData . $crc;
+        $newChunk = $len.$chunkType.$chunkData.$crc;
         $result = substr($this->_contents, 0, $this->_size - 12)
                 . $newChunk
                 . substr($this->_contents, $this->_size - 12, 12);
@@ -92,30 +92,30 @@ 
      */
     public function removeChunks($chunkType, $key, $png) {
         // Read the magic bytes and verify
-        $retval = substr($png,0,8);
+        $retval = substr($png, 0, 8);
         $ipos = 8;
         if ($retval != "\x89PNG\x0d\x0a\x1a\x0a")
             throw new Exception('Is not a valid PNG image');
         // Loop through the chunks. Byte 0-3 is length, Byte 4-7 is type
-        $chunkHeader = substr($png,$ipos,8);
+        $chunkHeader = substr($png, $ipos, 8);
         $ipos = $ipos + 8;
         while ($chunkHeader) {
             // Extract length and type from binary data
             $chunk = @unpack('Nsize/a4type', $chunkHeader);
             $skip = false;
-            if ( $chunk['type'] == $chunkType ) {
-                $data = substr($png,$ipos,$chunk['size']);
+            if ($chunk['type'] == $chunkType) {
+                $data = substr($png, $ipos, $chunk['size']);
                 $sections = explode("\0", $data);
                 print_r($sections);
-                if ( $sections[0] == $key ) $skip = true;
+                if ($sections[0] == $key) $skip = true;
             }
             // Extract the data and the CRC
-            $data = substr($png,$ipos,$chunk['size']+4);
+            $data = substr($png, $ipos, $chunk['size'] + 4);
             $ipos = $ipos + $chunk['size'] + 4;
             // Add in the header, data, and CRC
-            if ( ! $skip ) $retval = $retval . $chunkHeader . $data;
+            if (!$skip) $retval = $retval.$chunkHeader.$data;
             // Read next chunk header
-            $chunkHeader = substr($png,$ipos,8);
+            $chunkHeader = substr($png, $ipos, 8);
             $ipos = $ipos + 8;
         }
         return $retval;
@@ -131,34 +131,34 @@ 
      * If there is PNG information that matches the key an array is returned
      * 
      */
-    public function extractBadgeInfo($png, $key='openbadges') {
+    public function extractBadgeInfo($png, $key = 'openbadges') {
         // Read the magic bytes and verify
-        $retval = substr($png,0,8);
+        $retval = substr($png, 0, 8);
         $ipos = 8;
         if ($retval != "\x89PNG\x0d\x0a\x1a\x0a") {
             return false;
         }
 
         // Loop through the chunks. Byte 0-3 is length, Byte 4-7 is type
-        $chunkHeader = substr($png,$ipos,8);
+        $chunkHeader = substr($png, $ipos, 8);
         $ipos = $ipos + 8;
         while ($chunkHeader) {
             // Extract length and type from binary data
             $chunk = @unpack('Nsize/a4type', $chunkHeader);
             $skip = false;
             if ($chunk['type'] == 'tEXt') {
-                $data = substr($png,$ipos,$chunk['size']);
+                $data = substr($png, $ipos, $chunk['size']);
                 $sections = explode("\0", $data);
                 if ($sections[0] == $key) {
                    return $sections;
                 }
             }
             // Extract the data and the CRC
-            $data = substr($png,$ipos,$chunk['size']+4);
+            $data = substr($png, $ipos, $chunk['size'] + 4);
             $ipos = $ipos + $chunk['size'] + 4;
 
             // Read next chunk header
-            $chunkHeader = substr($png,$ipos,8);
+            $chunkHeader = substr($png, $ipos, 8);
             $ipos = $ipos + 8;
         }
     }

Braces +9 added lines, -4 removed lines

@@ -94,8 +94,9 @@ 
         // Read the magic bytes and verify
         $retval = substr($png,0,8);
         $ipos = 8;
-        if ($retval != "\x89PNG\x0d\x0a\x1a\x0a")
-            throw new Exception('Is not a valid PNG image');
+        if ($retval != "\x89PNG\x0d\x0a\x1a\x0a") {
+                    throw new Exception('Is not a valid PNG image');
+        }
         // Loop through the chunks. Byte 0-3 is length, Byte 4-7 is type
         $chunkHeader = substr($png,$ipos,8);
         $ipos = $ipos + 8;
@@ -107,13 +108,17 @@ 
                 $data = substr($png,$ipos,$chunk['size']);
                 $sections = explode("\0", $data);
                 print_r($sections);
-                if ( $sections[0] == $key ) $skip = true;
+                if ( $sections[0] == $key ) {
+                    $skip = true;
+                }
             }
             // Extract the data and the CRC
             $data = substr($png,$ipos,$chunk['size']+4);
             $ipos = $ipos + $chunk['size'] + 4;
             // Add in the header, data, and CRC
-            if ( ! $skip ) $retval = $retval . $chunkHeader . $data;
+            if ( ! $skip ) {
+                $retval = $retval . $chunkHeader . $data;
+            }
             // Read next chunk header
             $chunkHeader = substr($png,$ipos,8);
             $ipos = $ipos + 8;