chamilo / chamilo-lms

main/inc/lib/pear/Pager/Common.php

Indentation +25 added lines, -25 removed lines

@@ -626,7 +626,7 @@ 
             return array(
                         max(($this->_perPage * ($pageID - 1)) + 1, 1),
                         min($this->_totalItems, $this->_perPage * $pageID)
-                   );
+                    );
         }
         return array(0, 0);
     }
@@ -848,16 +848,16 @@ 
                 $onclick = str_replace('%d', $this->_linkData[$this->_urlVar], $this->_onclick);
             }
             return sprintf('<a href="%s"%s%s%s%s title="%s">%s</a>',
-                           // Modified by Ivan Tcholakov, 17-OCT-2008.
-                           //htmlentities($this->_url . $href, ENT_COMPAT, 'UTF-8'),
-                           api_htmlentities($this->_url . $href),
-                           //
-                           empty($this->_classString) ? '' : ' '.$this->_classString,
-                           empty($this->_attributes)  ? '' : ' '.$this->_attributes,
-                           empty($this->_accesskey)   ? '' : ' accesskey="'.$this->_linkData[$this->_urlVar].'"',
-                           empty($onclick)            ? '' : ' onclick="'.$onclick.'"',
-                           $altText,
-                           $linkText
+                            // Modified by Ivan Tcholakov, 17-OCT-2008.
+                            //htmlentities($this->_url . $href, ENT_COMPAT, 'UTF-8'),
+                            api_htmlentities($this->_url . $href),
+                            //
+                            empty($this->_classString) ? '' : ' '.$this->_classString,
+                            empty($this->_attributes)  ? '' : ' '.$this->_attributes,
+                            empty($this->_accesskey)   ? '' : ' accesskey="'.$this->_linkData[$this->_urlVar].'"',
+                            empty($onclick)            ? '' : ' onclick="'.$onclick.'"',
+                            $altText,
+                            $linkText
             );
         } elseif ($this->_httpMethod == 'POST') {
             $href = $this->_url;
@@ -865,12 +865,12 @@ 
                 $href .= '?' . $this->_http_build_query_wrapper($_GET);
             }
             return sprintf("<a href='javascript:void(0)' onclick='%s'%s%s%s title='%s'>%s</a>",
-                           $this->_generateFormOnClick($href, $this->_linkData),
-                           empty($this->_classString) ? '' : ' '.$this->_classString,
-                           empty($this->_attributes)  ? '' : ' '.$this->_attributes,
-                           empty($this->_accesskey)   ? '' : ' accesskey=\''.$this->_linkData[$this->_urlVar].'\'',
-                           $altText,
-                           $linkText
+                            $this->_generateFormOnClick($href, $this->_linkData),
+                            empty($this->_classString) ? '' : ' '.$this->_classString,
+                            empty($this->_attributes)  ? '' : ' '.$this->_attributes,
+                            empty($this->_accesskey)   ? '' : ' accesskey=\''.$this->_linkData[$this->_urlVar].'\'',
+                            $altText,
+                            $linkText
             );
         }
         return '';
@@ -1120,10 +1120,10 @@ 
         if ($this->_currentPage > 1) {
             $this->_linkData[$this->_urlVar] = $this->getPreviousPageID();
             $back = $this->_renderLink($this->_altPrev, $this->_prevImg)
-                  . $this->_spacesBefore . $this->_spacesAfter;
+                    . $this->_spacesBefore . $this->_spacesAfter;
         } else if ($this->_prevImgEmpty !== null && $this->_totalPages > 1) {
             $back = $this->_prevImgEmpty
-                  . $this->_spacesBefore . $this->_spacesAfter;
+                    . $this->_spacesBefore . $this->_spacesAfter;
         }
         return $back;
     }
@@ -1171,12 +1171,12 @@ 
         if ($this->_currentPage < $this->_totalPages) {
             $this->_linkData[$this->_urlVar] = $this->getNextPageID();
             $next = $this->_spacesAfter
-                  . $this->_renderLink($this->_altNext, $this->_nextImg)
-                  . $this->_spacesBefore . $this->_spacesAfter;
+                    . $this->_renderLink($this->_altNext, $this->_nextImg)
+                    . $this->_spacesBefore . $this->_spacesAfter;
         } else if ($this->_nextImgEmpty !== null && $this->_totalPages > 1) {
             $next = $this->_spacesAfter
-                  . $this->_nextImgEmpty
-                  . $this->_spacesBefore . $this->_spacesAfter;
+                    . $this->_nextImgEmpty
+                    . $this->_spacesBefore . $this->_spacesAfter;
         }
         return $next;
     }
@@ -1632,7 +1632,7 @@ 
         }
 
         if (!empty($_SESSION[$this->_sessionVar]) && $this->_useSessions) {
-             $this->_perPage = $_SESSION[$this->_sessionVar];
+                $this->_perPage = $_SESSION[$this->_sessionVar];
         }
 
         if ($this->_closeSession) {
@@ -1713,7 +1713,7 @@ 
                 ERROR_PAGER_INVALID             => 'invalid',
                 ERROR_PAGER_INVALID_PLACEHOLDER => 'invalid format - use "%d" as placeholder.',
                 ERROR_PAGER_INVALID_USAGE       => 'if $options[\'append\'] is set to false, '
-                                                  .' $options[\'fileName\'] MUST contain the "%d" placeholder.',
+                                                    .' $options[\'fileName\'] MUST contain the "%d" placeholder.',
                 ERROR_PAGER_NOT_IMPLEMENTED     => 'not implemented'
             );
         }

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

Indentation +3356 added lines, -3357 removed lines

@@ -45,7 +45,7 @@ 
 */
             /* 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' );
 /*********************************************************************************/
@@ -58,28 +58,28 @@ 
  */
 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');
@@ -108,7 +108,7 @@ 
     $this->setConfig( 'delimiter',  DIRECTORY_SEPARATOR );
     $this->xcaldecl   = array();
     $this->components = array();
-  }
+    }
 /*********************************************************************************/
 /**
  * Property Name: CALSCALE
@@ -120,29 +120,29 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createCalscale() {
+    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
@@ -154,30 +154,30 @@ 
  * @since 0.9.7 - 2006-11-20
  * @return string
  */
-  function createMethod() {
+    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
@@ -193,44 +193,44 @@ 
  * @since 0.9.7 - 2006-11-20
  * @return string
  */
-  function createProdid() {
+    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
@@ -239,47 +239,46 @@ 
  */
 /**
  * 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() {
+    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
@@ -291,44 +290,44 @@ 
  * @since 2.4.11 - 2008-11-03
  * @return string
  */
-  function createXprop() {
+    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 );
@@ -337,7 +336,7 @@ 
     if( !is_array( $this->xprop )) $this->xprop = array();
     $this->xprop[strtoupper( $label )] = $xprop;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /**
  * delete calendar property value
@@ -348,131 +347,131 @@ 
  * @param int @propix, optional, if specific property is wanted in case of multiply occurences
  * @return bool, if successfull delete
  */
-  function deleteProperty( $propName, $propix=FALSE ) {
+    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
@@ -482,180 +481,180 @@ 
  * @param string $config
  * @return value
  */
-  function getConfig( $config ) {
+    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://', $value );
@@ -669,17 +668,17 @@ 
     }
     if( !$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
@@ -691,129 +690,129 @@ 
  * @param object $component calendar component
  * @return void
  */
-  function addComponent( $component ) {
+    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($end))  echo 'selectComp 2 start='.implode('-',$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 ) && !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'] );
@@ -884,575 +883,575 @@ 
         $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
@@ -1461,17 +1460,17 @@ 
  * @since 2.4.10 - 2008-08-06
  * @return string
  */
-  function createCalendar() {
+    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;
     }
@@ -1480,175 +1479,175 @@ 
     $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;
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
@@ -1660,37 +1659,37 @@ 
  */
 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();
@@ -1705,7 +1704,7 @@ 
 
     $this->_createFormat();
     $this->_makeDtstamp();
-  }
+    }
 /*********************************************************************************/
 /**
  * Property Name: ACTION
@@ -1717,27 +1716,27 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createAction() {
+    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
@@ -1749,33 +1748,33 @@ 
  * @since 0.9.7 - 2006-11-23
  * @return string
  */
-  function createAttach() {
+    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
@@ -1787,121 +1786,121 @@ 
  * @since 2.4.8 - 2008-09-23
  * @return string
  */
-  function createAttendee() {
+    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
@@ -1911,13 +1910,13 @@ 
     $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
@@ -1929,42 +1928,42 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createCategories() {
+    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
@@ -1976,27 +1975,27 @@ 
  * @since 0.9.7 - 2006-11-20
  * @return string
  */
-  function createClass() {
+    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
@@ -2008,35 +2007,35 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createComment() {
+    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
@@ -2048,7 +2047,7 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createCompleted( ) {
+    function createCompleted( ) {
     if( empty( $this->completed )) return FALSE;
     if( !isset( $this->completed['value']['year'] )  &&
         !isset( $this->completed['value']['month'] ) &&
@@ -2056,39 +2055,39 @@ 
         !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
@@ -2100,34 +2099,34 @@ 
  * @since 2.4.8 - 2008-10-23
  * @return string
  */
-  function createContact() {
+    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
@@ -2139,33 +2138,33 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createCreated() {
+    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
@@ -2177,34 +2176,34 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createDescription() {
+    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
@@ -2216,7 +2215,7 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createDtend() {
+    function createDtend() {
     if( empty( $this->dtend )) return FALSE;
     if( !isset( $this->dtend['value']['year'] )  &&
         !isset( $this->dtend['value']['month'] ) &&
@@ -2224,40 +2223,40 @@ 
         !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
@@ -2269,55 +2268,55 @@ 
  * @since 2.4.4 - 2008-03-07
  * @return string
  */
-  function createDtstamp() {
+    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
@@ -2329,7 +2328,7 @@ 
  * @since 2.4.16 - 2008-10-26
  * @return string
  */
-  function createDtstart() {
+    function createDtstart() {
     if( empty( $this->dtstart )) return FALSE;
     if( !isset( $this->dtstart['value']['year'] )  &&
         !isset( $this->dtstart['value']['month'] ) &&
@@ -2338,41 +2337,41 @@ 
         !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
@@ -2384,7 +2383,7 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createDue() {
+    function createDue() {
     if( empty( $this->due )) return FALSE;
     if( !isset( $this->due['value']['year'] )  &&
         !isset( $this->due['value']['month'] ) &&
@@ -2392,39 +2391,39 @@ 
         !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
@@ -2436,48 +2435,48 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createDuration() {
+    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
@@ -2489,57 +2488,57 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createExdate() {
+    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' )));
@@ -2547,32 +2546,32 @@ 
     $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
@@ -2584,25 +2583,25 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createExrule() {
+    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
@@ -2614,110 +2613,110 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createFreebusy() {
+    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
@@ -2729,40 +2728,40 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createGeo() {
+    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
@@ -2774,32 +2773,32 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createLastModified() {
+    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
@@ -2811,28 +2810,28 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createLocation() {
+    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
@@ -2844,35 +2843,35 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createOrganizer() {
+    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
@@ -2884,27 +2883,27 @@ 
  * @since 2.4.8 - 2008-10-22
  * @return string
  */
-  function createPercentComplete() {
+    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
@@ -2916,27 +2915,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createPriority() {
+    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
@@ -2948,118 +2947,118 @@ 
  * @since 2.4.16 - 2008-10-26
  * @return string
  */
-  function createRdate() {
+    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' ))) &&
@@ -3069,73 +3068,73 @@ 
                                       $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
@@ -3147,40 +3146,40 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createRecurrenceid() {
+    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
@@ -3192,40 +3191,40 @@ 
  * @since 2.4.8 - 2008-10-23
  * @return string
  */
-  function createRelatedTo() {
+    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
@@ -3237,27 +3236,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createRepeat() {
+    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
@@ -3268,43 +3267,43 @@ 
  * @since 2.4.8 - 2008-10-23
  * @return string
  */
-  function createRequestStatus() {
+    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
@@ -3316,41 +3315,41 @@ 
  * @since 2.4.8 - 2008-10-23
  * @return string
  */
-  function createResources() {
+    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
@@ -3362,25 +3361,25 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createRrule() {
+    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
@@ -3391,27 +3390,27 @@ 
  * @since 0.9.7 - 2006-11-20
  * @return string
  */
-  function createSequence() {
+    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
@@ -3423,27 +3422,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createStatus() {
+    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
@@ -3455,28 +3454,28 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createSummary() {
+    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
@@ -3488,27 +3487,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createTransp() {
+    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
@@ -3520,126 +3519,126 @@ 
  * @since 2.4.16 - 2008-10-21
  * @return string
  */
-  function createTrigger() {
+    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
@@ -3651,27 +3650,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createTzid() {
+    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;
-  }
+    }
 /*********************************************************************************/
 /**
  * .. .
@@ -3684,33 +3683,33 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createTzname() {
+    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
@@ -3722,27 +3721,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createTzoffsetfrom() {
+    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
@@ -3754,27 +3753,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createTzoffsetto() {
+    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
@@ -3786,27 +3785,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createTzurl() {
+    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
@@ -3818,20 +3817,20 @@ 
  * @since 0.9.7 - 2006-11-20
  * @return string
  */
-  function createUid() {
+    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';
@@ -3840,24 +3839,24 @@ 
     $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
@@ -3869,27 +3868,27 @@ 
  * @since 2.4.8 - 2008-10-21
  * @return string
  */
-  function createUrl() {
+    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
@@ -3901,37 +3900,37 @@ 
  * @since 2.4.11 - 2008-10-22
  * @return string
  */
-  function createXprop() {
+    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 );
@@ -3940,7 +3939,7 @@ 
     if( !is_array( $this->xprop )) $this->xprop = array();
     $this->xprop[strtoupper( $label )] = $xprop;
     return TRUE;
-  }
+    }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
@@ -3950,10 +3949,10 @@ 
  * @since 2.0.6 - 2006-06-20
  * @return string
  */
-  function _createFormat() {
+    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'] )  &&
@@ -5110,418 +5109,418 @@ 
                                            (( $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;
-  }
+    }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
@@ -5532,16 +5531,16 @@ 
  * @param string $config
  * @return value
  */
-  function getConfig( $config ) {
+    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' => $value );
@@ -5669,17 +5668,17 @@ 
     }
     if( !$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
@@ -5690,257 +5689,257 @@ 
  * @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 ) {
+    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
@@ -5951,324 +5950,324 @@ 
  * @param int @propix, default 0
  * @return bool TRUE
  */
-  function deletePropertyM( & $multiprop, $propix=0 ) {
+    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
@@ -6279,153 +6278,153 @@ 
  * @return bool FALSE if error occurs during parsing
  *
  */
-  function parse( $unparsedtext=null ) {
+    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':
@@ -6435,125 +6434,125 @@ 
         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();
+        }
+    }
     }
-  }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
@@ -6563,12 +6562,12 @@ 
  * @since 2.2.16 - 2007-11-07
  * @return object
  */
-  function copy() {
+    function copy() {
     $serialized_contents = serialize($this);
     $copy = unserialize($serialized_contents);
     unset( $copy->propix );
     return $copy;
- }
+    }
 /*********************************************************************************/
 /*********************************************************************************/
 /**
@@ -6580,187 +6579,187 @@ 
  * @param mixed $arg2 optional, ordno if arg1 = component type
  * @return void
  */
-  function deleteComponent( $arg1, $arg2=FALSE  ) {
+    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
@@ -6784,83 +6783,83 @@ 
  * @param string $value
  * @return string
  */
-  function _size75( $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;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
@@ -6871,46 +6870,46 @@ 
  * @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();
@@ -6993,11 +6992,11 @@ 
     $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;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
@@ -7008,47 +7007,47 @@ 
  * @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();
@@ -7132,11 +7131,11 @@ 
     $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;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
@@ -7147,37 +7146,37 @@ 
  * @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();
@@ -7242,11 +7241,11 @@ 
     $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;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
@@ -7257,27 +7256,27 @@ 
  * @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();
@@ -7318,11 +7317,11 @@ 
     $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;
-  }
+    }
 }
 /*********************************************************************************/
 /*********************************************************************************/
@@ -7333,23 +7332,23 @@ 
  * @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();
@@ -7384,7 +7383,7 @@ 
     $component    .= $this->createXprop();
     $component    .= $this->componentEnd1.$objectname.$this->componentEnd2;
     return $component;
-  }
+    }
 }
 /**********************************************************************************
 /*********************************************************************************/
@@ -7395,34 +7394,34 @@ 
  * @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

main/inc/lib/api.lib.php

Indentation +2 added lines, -4 removed lines

@@ -625,7 +625,6 @@ 
  * The other configuration parameters have not been changed.
  *
  * This is how we can get most used paths, for common purpose:
-
  * api_get_path(REL_PATH)                       /chamilo/
  * api_get_path(REL_COURSE_PATH)                /chamilo/courses/
  * api_get_path(REL_CODE_PATH)                  /chamilo/main/
@@ -1803,7 +1802,6 @@ 
 
 /**
  * Returns the current course info array.
-
  * Now if the course_code is given, the returned array gives info about that
  * particular course, not specially the current one.
  * @param int $id Numeric ID of the course
@@ -2734,7 +2732,7 @@ 
         switch ($session_user_status) {
             case 0:
                 $session_status['status'] = 'student';
-               break;
+                break;
             case 2:
                 $session_status['status'] = 'coach';
             break;
@@ -6492,7 +6490,7 @@ 
 function api_get_jquery_ui_js($include_jqgrid = false) {
     $libraries = array();
     if ($include_jqgrid) {
-       $libraries[]='jqgrid';
+        $libraries[]='jqgrid';
     }
     return api_get_jquery_libraries_js($libraries);
 }

main/inc/lib/phpdocx/pdf/dompdf_config.inc.php

Indentation +27 added lines, -27 removed lines

@@ -113,7 +113,7 @@ 
  */
 
 if (!defined("DOMPDF_FONT_CACHE")) {
-  define("DOMPDF_FONT_CACHE", DOMPDF_FONT_DIR);
+    define("DOMPDF_FONT_CACHE", DOMPDF_FONT_DIR);
 }
 
 /**
@@ -124,7 +124,7 @@ 
  * using the PFDLib back end.
  */
 if (!defined('DOMPDF_TEMP_DIR')) {
-  define("DOMPDF_TEMP_DIR", sys_get_temp_dir());
+    define("DOMPDF_TEMP_DIR", sys_get_temp_dir());
 }
 
 /**
@@ -140,7 +140,7 @@ 
  * $dompdf = new DOMPDF();	$dompdf->load_html($htmldata); $dompdf->render(); $pdfdata = $dompdf->output();
  */
 if (!defined("DOMPDF_CHROOT")) {
-  define("DOMPDF_CHROOT", realpath(DOMPDF_DIR));
+    define("DOMPDF_CHROOT", realpath(DOMPDF_DIR));
 }
 
 /**
@@ -157,7 +157,7 @@ 
  *
  */
 if (!defined("DOMPDF_UNICODE_ENABLED")) {
-  define("DOMPDF_UNICODE_ENABLED", false);
+    define("DOMPDF_UNICODE_ENABLED", false);
 }
 
 /**
@@ -172,8 +172,8 @@ 
  * @link http://ttf2pt1.sourceforge.net/
  */
 if (!defined("TTF2AFM")) {
-  define("TTF2AFM", DOMPDF_LIB_DIR ."/ttf2ufm/ttf2ufm-src/ttf2pt1");
-  //define("TTF2AFM", "/usr/bin/ttf2pt1");
+    define("TTF2AFM", DOMPDF_LIB_DIR ."/ttf2ufm/ttf2ufm-src/ttf2pt1");
+    //define("TTF2AFM", "/usr/bin/ttf2pt1");
 }
 
 /**
@@ -205,7 +205,7 @@ 
  * @link http://www.php.net/image
  */
 if (!defined("DOMPDF_PDF_BACKEND")) {
-  define("DOMPDF_PDF_BACKEND", "CPDF");
+    define("DOMPDF_PDF_BACKEND", "CPDF");
 }
 
 /**
@@ -221,7 +221,7 @@ 
  * a real license code must exist!
  */
 if (!defined("DOMPDF_PDFLIB_LICENSE")) {
-  #define("DOMPDF_PDFLIB_LICENSE", "your license key here");
+    #define("DOMPDF_PDFLIB_LICENSE", "your license key here");
 }
 
 /**
@@ -235,7 +235,7 @@ 
  * Therefore allow specification of content here.
  */
 if (!defined("DOMPDF_DEFAULT_MEDIA_TYPE")) {
-  define("DOMPDF_DEFAULT_MEDIA_TYPE", "screen");
+    define("DOMPDF_DEFAULT_MEDIA_TYPE", "screen");
 }
 
 /**
@@ -246,7 +246,7 @@ 
  * @see CPDF_Adapter::PAPER_SIZES for valid sizes
  */
 if (!defined("DOMPDF_DEFAULT_PAPER_SIZE")) {
-  define("DOMPDF_DEFAULT_PAPER_SIZE", "letter");
+    define("DOMPDF_DEFAULT_PAPER_SIZE", "letter");
 }
 
 
@@ -257,7 +257,7 @@ 
  * @var string
  */
 if (!defined("DOMPDF_DEFAULT_FONT")) {
-  define("DOMPDF_DEFAULT_FONT", "serif");
+    define("DOMPDF_DEFAULT_FONT", "serif");
 }
 /**
  * Image DPI setting
@@ -293,7 +293,7 @@ 
  * @var int
  */
 if (!defined("DOMPDF_DPI")) {
-  define("DOMPDF_DPI", "96");
+    define("DOMPDF_DPI", "96");
 }
 
 /**
@@ -309,7 +309,7 @@ 
  * @var bool
  */
 if (!defined("DOMPDF_ENABLE_PHP")) {
-  define("DOMPDF_ENABLE_PHP", true);
+    define("DOMPDF_ENABLE_PHP", true);
 }
 
 /**
@@ -330,7 +330,7 @@ 
  * @var bool
  */
 if (!defined("DOMPDF_ENABLE_REMOTE")) {
-  define("DOMPDF_ENABLE_REMOTE", false);
+    define("DOMPDF_ENABLE_REMOTE", false);
 }
  
 /**
@@ -344,25 +344,25 @@ 
  * @param string $class
  */
 function DOMPDF_autoload($class) {
-  $filename = DOMPDF_INC_DIR . "/" . mb_strtolower($class) . ".cls.php";
+    $filename = DOMPDF_INC_DIR . "/" . mb_strtolower($class) . ".cls.php";
   
-  if ( is_file($filename) )
+    if ( is_file($filename) )
     require_once($filename);
 }
 
 if ( function_exists("spl_autoload_register") ) {
 
-   spl_autoload_register("DOMPDF_autoload");
+    spl_autoload_register("DOMPDF_autoload");
 
 } else if ( !function_exists("__autoload") ) {
-  /**
-   * Default __autoload() function
-   *
-   * @param string $class
-   */
-  function __autoload($class) {
+    /**
+     * Default __autoload() function
+     *
+     * @param string $class
+     */
+    function __autoload($class) {
     DOMPDF_autoload($class);
-  }
+    }
 }
 
 // ### End of user-configurable options ###
@@ -416,11 +416,11 @@ 
  * the browser cache and the premature output prevents setting of the mime type.
  */
 if (!defined('DEBUGPNG')) {
-  define('DEBUGPNG',0);
+    define('DEBUGPNG',0);
 }
 if (!defined('DEBUGKEEPTEMP')) {
-  define('DEBUGKEEPTEMP',0);
+    define('DEBUGKEEPTEMP',0);
 }
 if (!defined('DEBUGCSS')) {
-  define('DEBUGCSS',0);
+    define('DEBUGCSS',0);
 }

main/install/install.lib.php

Indentation +2 added lines, -2 removed lines

@@ -1682,7 +1682,7 @@ 
         $html .= '<label class="checkbox-inline">
                         <input type="radio" name="allowSelfReg" value="0" id="allowSelfReg0" '. ($allowSelfReg == 'false' ? '' : 'checked="checked" ') .' /> '. get_lang('No') .'
                     </label>';
-         $html .= '<label class="checkbox-inline">
+            $html .= '<label class="checkbox-inline">
                     <input type="radio" name="allowSelfReg" value="0" id="allowSelfReg0" '. ($allowSelfReg == 'approval' ? '' : 'checked="checked" ') .' /> '. get_lang('AfterApproval') .'
                 </label>';
         $html .= '</div>';
@@ -1716,7 +1716,7 @@ 
     </div>';
 
     echo panel($html, get_lang('Platform'), 'platform');
- ?>
+    ?>
     <div class='form-group'>
         <div class="col-sm-6">
             <button type="submit" class="btn btn-default pull-right" name="step3" value="&lt; <?php echo get_lang('Previous'); ?>" ><em class="fa fa-backward"> </em> <?php echo get_lang('Previous'); ?></button>

main/newscorm/lp_add_item.php

Indentation +1 added lines, -1 removed lines

@@ -81,7 +81,7 @@
 
 // Using the resource linker as a tool for adding resources to the learning path.
 if ($action == 'add' && $type == 'learnpathitem') {
-     $htmlHeadXtra[] = "<script type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>";
+        $htmlHeadXtra[] = "<script type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>";
 }
 if ((!$is_allowed_to_edit)) {
     error_log('New LP - User not authorized in lp_add_item.php');

main/newscorm/lp_move_item.php

Indentation +3 added lines, -3 removed lines

@@ -47,10 +47,10 @@
 " .
 "\n" .
 '$().ready(function() {'."\n" .
-  'if ($(\'#previous\')) {'."\n" .
+    'if ($(\'#previous\')) {'."\n" .
     'if(\'parent is\'+$(\'#idParent\').val()) {'.
-      'load_cbo($(\'#idParent\').val());'."\n" .
-  '}}'."\n" .
+        'load_cbo($(\'#idParent\').val());'."\n" .
+    '}}'."\n" .
 '});</script>'."\n" ;
 
 /* Constants and variables */

main/inc/ajax/course_home.ajax.php

Indentation +24 added lines, -24 removed lines

@@ -63,12 +63,12 @@ 
             echo json_encode($response_data);
         }
         break;
-	case 'show_course_information' :
-		require_once '../global.inc.php';
+    case 'show_course_information' :
+        require_once '../global.inc.php';
 
-		// Get the name of the database course.
-		$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
-		$course_info = api_get_course_info($_GET['code']);
+        // Get the name of the database course.
+        $tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
+        $course_info = api_get_course_info($_GET['code']);
 
         if (
             api_get_setting('course_catalog_hide_private') === 'true' &&
@@ -77,27 +77,27 @@ 
             echo get_lang('PrivateAccess');
             break;
         }
-		//echo Display::tag('h2', $course_info['name']);
-		//echo '<br />';
+        //echo Display::tag('h2', $course_info['name']);
+        //echo '<br />';
 
-		$sql = "SELECT * FROM $tbl_course_description
+        $sql = "SELECT * FROM $tbl_course_description
 		        WHERE c_id = ".$course_info['real_id']." AND session_id = 0
 		        ORDER BY id";
-		$result = Database::query($sql);
-		if (Database::num_rows($result) > 0 ) {
-		    while ($description = Database::fetch_object($result)) {
-			    $descriptions[$description->id] = $description;
-		    }
+        $result = Database::query($sql);
+        if (Database::num_rows($result) > 0 ) {
+            while ($description = Database::fetch_object($result)) {
+                $descriptions[$description->id] = $description;
+            }
             // Function that displays the details of the course description in html.
-		    echo CourseManager::get_details_course_description_html(
+            echo CourseManager::get_details_course_description_html(
                 $descriptions,
                 api_get_system_encoding(),
                 false
             );
-		} else {
-		    echo get_lang('NoDescription');
-		}
-	    break;
+        } else {
+            echo get_lang('NoDescription');
+        }
+        break;
     case 'session_courses_lp_default':
         /**
          * @todo this functions need to belong to a class or a special
@@ -112,7 +112,7 @@ 
         $sidx  = isset($_REQUEST['sidx']) && !empty($_REQUEST['sidx']) ? $_REQUEST['sidx'] : 'id';
         $sord  = $_REQUEST['sord'];    //asc or desc
         if (!in_array($sord, array('asc','desc'))) {
-        	$sord = 'desc';
+            $sord = 'desc';
         }
         $session_id  = intval($_REQUEST['session_id']);
         $course_id   = intval($_REQUEST['course_id']);
@@ -127,7 +127,7 @@ 
                     $my_session_list[] = $item['id_session'];
             }
             if (!in_array($session_id, $my_session_list)) {
-            	break;
+                break;
             }
         }
 
@@ -312,7 +312,7 @@ 
                     $date = '-';
                 }
 
-                 //Checking LP publicated and expired_on dates
+                    //Checking LP publicated and expired_on dates
 
                 if (!empty($lp_item['publicated_on']) && $lp_item['publicated_on'] != '0000-00-00 00:00:00') {
                     $week_data = date('Y', api_strtotime($lp_item['publicated_on'], 'UTC')).' - '.get_week_from_day($lp_item['publicated_on']);
@@ -440,7 +440,7 @@ 
                     $date = '-';
                 }
 
-                 //Checking LP publicated and expired_on dates
+                    //Checking LP publicated and expired_on dates
                 if (!empty($lp_item['publicated_on']) && $lp_item['publicated_on'] != '0000-00-00 00:00:00') {
                     if ($now < api_strtotime($lp_item['publicated_on'], 'UTC')) {
                         continue;
@@ -494,7 +494,7 @@ 
 
         echo json_encode($response);
         break;
-	default:
-		echo '';
+    default:
+        echo '';
 }
 exit;

main/gradebook/lib/be/learnpathlink.class.php

Indentation +242 added lines, -242 removed lines

@@ -9,260 +9,260 @@
  */
 class LearnpathLink extends AbstractLink
 {
-	private $course_info = null;
-	private $learnpath_table = null;
-	private $learnpath_data = null;
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->set_type(LINK_LEARNPATH);
-	}
-
-	/**
-	 * Generate an array of learnpaths that a teacher hasn't created a link for.
-	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
-	 */
-	public function get_not_created_links()
-	{
-		return false;
-		if (empty($this->course_code))
-			die('Error in get_not_created_links() : course code not set');
-
-		$tbl_grade_links = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
-
-		$sql = 'SELECT id, name from '.$this->get_learnpath_table().' lp
+    private $course_info = null;
+    private $learnpath_table = null;
+    private $learnpath_data = null;
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        parent::__construct();
+        $this->set_type(LINK_LEARNPATH);
+    }
+
+    /**
+     * Generate an array of learnpaths that a teacher hasn't created a link for.
+     * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+     */
+    public function get_not_created_links()
+    {
+        return false;
+        if (empty($this->course_code))
+            die('Error in get_not_created_links() : course code not set');
+
+        $tbl_grade_links = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
+
+        $sql = 'SELECT id, name from '.$this->get_learnpath_table().' lp
 				WHERE c_id = '.$this->course_id.' AND id NOT IN '
-			.' (SELECT ref_id FROM '.$tbl_grade_links
-			.' WHERE type = '.LINK_LEARNPATH
-			." AND course_code = '".$this->get_course_code()."'"
-			.') AND lp.session_id='.api_get_session_id().'';
-
-		$result = Database::query($sql);
-
-		$cats=array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
-		}
-
-		return $cats;
-	}
-
-	/**
-	 * Generate an array of all learnpaths available.
-	 * @return array 2-dimensional array - every element contains 2 subelements (id, name)
-	 */
-	public function get_all_links()
-	{
-		if (empty($this->course_code))
-			die('Error in get_not_created_links() : course code not set');
-
-		$session_id = api_get_session_id();
-		if (empty($session_id)) {
-			$session_condition = api_get_session_condition(0, true);
-		} else {
-			$session_condition = api_get_session_condition($session_id, true, true);
-		}
-
-		$sql = 'SELECT id, name FROM '.$this->get_learnpath_table().'
+            .' (SELECT ref_id FROM '.$tbl_grade_links
+            .' WHERE type = '.LINK_LEARNPATH
+            ." AND course_code = '".$this->get_course_code()."'"
+            .') AND lp.session_id='.api_get_session_id().'';
+
+        $result = Database::query($sql);
+
+        $cats=array();
+        while ($data=Database::fetch_array($result)) {
+            $cats[] = array ($data['id'], $data['name']);
+        }
+
+        return $cats;
+    }
+
+    /**
+     * Generate an array of all learnpaths available.
+     * @return array 2-dimensional array - every element contains 2 subelements (id, name)
+     */
+    public function get_all_links()
+    {
+        if (empty($this->course_code))
+            die('Error in get_not_created_links() : course code not set');
+
+        $session_id = api_get_session_id();
+        if (empty($session_id)) {
+            $session_condition = api_get_session_condition(0, true);
+        } else {
+            $session_condition = api_get_session_condition($session_id, true, true);
+        }
+
+        $sql = 'SELECT id, name FROM '.$this->get_learnpath_table().'
                 WHERE c_id = '.$this->course_id.' '.$session_condition.' ';
-		$result = Database::query($sql);
+        $result = Database::query($sql);
 
-		$cats = array();
-		while ($data=Database::fetch_array($result)) {
-			$cats[] = array ($data['id'], $data['name']);
-		}
+        $cats = array();
+        while ($data=Database::fetch_array($result)) {
+            $cats[] = array ($data['id'], $data['name']);
+        }
 
-		return $cats;
-	}
+        return $cats;
+    }
 
 
-	/**
-	 * Has anyone used this learnpath yet ?
-	 */
-	public function has_results()
-	{
-		$tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
-		$sql = "SELECT count(id) AS number FROM $tbl_stats
+    /**
+     * Has anyone used this learnpath yet ?
+     */
+    public function has_results()
+    {
+        $tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
+        $sql = "SELECT count(id) AS number FROM $tbl_stats
 				WHERE c_id = ".$this->course_id." AND lp_id = ".$this->get_ref_id();
-		$result = Database::query($sql);
-		$number = Database::fetch_array($result,'NUM');
-		return ($number[0] != 0);
-	}
-
-	/**
-	 * Get the progress of this learnpath. Only the last attempt are taken into account.
-	 * @param $stud_id student id (default: all students who have results - then the average is returned)
-	 * @return	array (score, max) if student is given
-	 * 			array (sum of scores, number of scores) otherwise
-	 * 			or null if no scores available
-	 */
-	public function calc_score($stud_id = null, $type = null)
-	{
-		$tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
-		$session_id = api_get_session_id();
-
-		$sql = "SELECT * FROM $tbl_stats
+        $result = Database::query($sql);
+        $number = Database::fetch_array($result,'NUM');
+        return ($number[0] != 0);
+    }
+
+    /**
+     * Get the progress of this learnpath. Only the last attempt are taken into account.
+     * @param $stud_id student id (default: all students who have results - then the average is returned)
+     * @return	array (score, max) if student is given
+     * 			array (sum of scores, number of scores) otherwise
+     * 			or null if no scores available
+     */
+    public function calc_score($stud_id = null, $type = null)
+    {
+        $tbl_stats = Database::get_course_table(TABLE_LP_VIEW);
+        $session_id = api_get_session_id();
+
+        $sql = "SELECT * FROM $tbl_stats
                 WHERE
                 	c_id = ".$this->course_id." AND
                     lp_id = ".$this->get_ref_id()." AND
                     session_id = $session_id ";
 
-		if (isset($stud_id))
-			$sql .= ' AND user_id = '.intval($stud_id);
-
-		// order by id, that way the student's first attempt is accessed first
-		$sql .= ' ORDER BY view_count DESC';
-
-		$scores = Database::query($sql);
-		// for 1 student
-		if (isset($stud_id)) {
-			if ($data = Database::fetch_assoc($scores)) {
-				return array ($data['progress'], 100);
-			} else
-				return null;
-		} else {
-			// all students -> get average
-			$students = array();  // user list, needed to make sure we only
-			// take first attempts into account
-			$rescount = 0;
-			$sum = 0;
-			$bestResult = 0;
-			$sumResult = 0;
-			while ($data = Database::fetch_array($scores)) {
-				if (!(array_key_exists($data['user_id'], $students))) {
-					$students[$data['user_id']] = $data['progress'];
-					$rescount++;
-					$sum += $data['progress'] / 100;
-					$sumResult += $data['progress'];
-
-					if ($data['progress'] > $bestResult) {
-						$bestResult = $data['progress'];
-					}
-				}
-			}
-
-			if ($rescount == 0) {
-				return null;
-			} else {
-
-				switch ($type) {
-					case 'best':
-						return array($bestResult, 100);
-						break;
-					case 'average':
-						return array($sumResult/$rescount, 100);
-						break;
-					case 'ranking':
-						return AbstractLink::getCurrentUserRanking($stud_id, $students);
-						break;
-					default:
-						return array($sum, $rescount);
-						break;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Get URL where to go to if the user clicks on the link.
-	 */
-	public function get_link()
-	{
-		$url = api_get_path(WEB_PATH).'main/newscorm/lp_controller.php?cidReq='.$this->get_course_code().'&gradebook=view';
-		$session_id = api_get_session_id();
-		if (!api_is_allowed_to_edit() || $this->calc_score(api_get_user_id()) == null) {
-			$url .= '&action=view&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
-		} else {
-			$url .= '&action=build&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
-		}
-		return $url;
-	}
-
-	/**
-	 * Get name to display: same as learnpath title
-	 */
-	public function get_name()
-	{
-		$data = $this->get_learnpath_data();
-		return $data['name'];
-	}
-
-	/**
-	 * Get description to display: same as learnpath description
-	 */
-	public function get_description()
-	{
-		$data = $this->get_learnpath_data();
-		return $data['description'];
-	}
-
-	/**
-	 * Check if this still links to a learnpath
-	 */
-	public function is_valid_link() {
-		$sql = 'SELECT count(id) FROM '.$this->get_learnpath_table().'
+        if (isset($stud_id))
+            $sql .= ' AND user_id = '.intval($stud_id);
+
+        // order by id, that way the student's first attempt is accessed first
+        $sql .= ' ORDER BY view_count DESC';
+
+        $scores = Database::query($sql);
+        // for 1 student
+        if (isset($stud_id)) {
+            if ($data = Database::fetch_assoc($scores)) {
+                return array ($data['progress'], 100);
+            } else
+                return null;
+        } else {
+            // all students -> get average
+            $students = array();  // user list, needed to make sure we only
+            // take first attempts into account
+            $rescount = 0;
+            $sum = 0;
+            $bestResult = 0;
+            $sumResult = 0;
+            while ($data = Database::fetch_array($scores)) {
+                if (!(array_key_exists($data['user_id'], $students))) {
+                    $students[$data['user_id']] = $data['progress'];
+                    $rescount++;
+                    $sum += $data['progress'] / 100;
+                    $sumResult += $data['progress'];
+
+                    if ($data['progress'] > $bestResult) {
+                        $bestResult = $data['progress'];
+                    }
+                }
+            }
+
+            if ($rescount == 0) {
+                return null;
+            } else {
+
+                switch ($type) {
+                    case 'best':
+                        return array($bestResult, 100);
+                        break;
+                    case 'average':
+                        return array($sumResult/$rescount, 100);
+                        break;
+                    case 'ranking':
+                        return AbstractLink::getCurrentUserRanking($stud_id, $students);
+                        break;
+                    default:
+                        return array($sum, $rescount);
+                        break;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get URL where to go to if the user clicks on the link.
+     */
+    public function get_link()
+    {
+        $url = api_get_path(WEB_PATH).'main/newscorm/lp_controller.php?cidReq='.$this->get_course_code().'&gradebook=view';
+        $session_id = api_get_session_id();
+        if (!api_is_allowed_to_edit() || $this->calc_score(api_get_user_id()) == null) {
+            $url .= '&action=view&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
+        } else {
+            $url .= '&action=build&session_id='.$session_id.'&lp_id='.$this->get_ref_id();
+        }
+        return $url;
+    }
+
+    /**
+     * Get name to display: same as learnpath title
+     */
+    public function get_name()
+    {
+        $data = $this->get_learnpath_data();
+        return $data['name'];
+    }
+
+    /**
+     * Get description to display: same as learnpath description
+     */
+    public function get_description()
+    {
+        $data = $this->get_learnpath_data();
+        return $data['description'];
+    }
+
+    /**
+     * Check if this still links to a learnpath
+     */
+    public function is_valid_link() {
+        $sql = 'SELECT count(id) FROM '.$this->get_learnpath_table().'
                 WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';
-		$result = Database::query($sql);
-		$number = Database::fetch_row($result,'NUM');
-		return ($number[0] != 0);
-	}
-
-	public function get_type_name()
-	{
-		return get_lang('LearningPaths');
-	}
-
-	public function needs_name_and_description()
-	{
-		return false;
-	}
-
-	public function needs_max()
-	{
-		return false;
-	}
-
-	public function needs_results()
-	{
-		return false;
-	}
-
-	public function is_allowed_to_change_name()
-	{
-		return false;
-	}
-
-	// INTERNAL FUNCTIONS
-
-	/**
-	 * Lazy load function to get the database table of the learnpath
-	 */
-	private function get_learnpath_table()
-	{
-		$this->learnpath_table = Database :: get_course_table(TABLE_LP_MAIN);
-		return $this->learnpath_table;
-	}
-
-	/**
-	 * Lazy load function to get the database contents of this learnpath
-	 */
-	private function get_learnpath_data()
-	{
-		if (!isset($this->learnpath_data)) {
-			$sql = 'SELECT * FROM '.$this->get_learnpath_table().'
+        $result = Database::query($sql);
+        $number = Database::fetch_row($result,'NUM');
+        return ($number[0] != 0);
+    }
+
+    public function get_type_name()
+    {
+        return get_lang('LearningPaths');
+    }
+
+    public function needs_name_and_description()
+    {
+        return false;
+    }
+
+    public function needs_max()
+    {
+        return false;
+    }
+
+    public function needs_results()
+    {
+        return false;
+    }
+
+    public function is_allowed_to_change_name()
+    {
+        return false;
+    }
+
+    // INTERNAL FUNCTIONS
+
+    /**
+     * Lazy load function to get the database table of the learnpath
+     */
+    private function get_learnpath_table()
+    {
+        $this->learnpath_table = Database :: get_course_table(TABLE_LP_MAIN);
+        return $this->learnpath_table;
+    }
+
+    /**
+     * Lazy load function to get the database contents of this learnpath
+     */
+    private function get_learnpath_data()
+    {
+        if (!isset($this->learnpath_data)) {
+            $sql = 'SELECT * FROM '.$this->get_learnpath_table().'
                     WHERE c_id = '.$this->course_id.' AND id = '.$this->get_ref_id().' ';
-			$result = Database::query($sql);
-			$this->learnpath_data = Database::fetch_array($result);
-		}
-		return $this->learnpath_data;
-	}
-
-	public function get_icon_name()
-	{
-		return 'learnpath';
-	}
+            $result = Database::query($sql);
+            $this->learnpath_data = Database::fetch_array($result);
+        }
+        return $this->learnpath_data;
+    }
+
+    public function get_icon_name()
+    {
+        return 'learnpath';
+    }
 }