EGroupware / egroupware

calendar/importexport/class.import_events_csv.inc.php

Doc Comments -1 removed lines

@@ -94,7 +94,6 @@
 	/**
 	 * imports entries according to given definition object.
 	 * @param resource $_stream
-	 * @param string $_charset
 	 * @param definition $_definition
 	 */
 	public function import( $_stream, definition $_definition ) {

Indentation +19 added lines, -19 removed lines

@@ -82,9 +82,9 @@ 
 	private $user = null;
 
 	/**
-         * List of import errors
-         */
-        protected $errors = array();
+	 * List of import errors
+	 */
+		protected $errors = array();
 
 	/**
 	 * List of actions, and how many times that action was taken
@@ -305,26 +305,26 @@ 
 	}
 
 	/**
-        * Returns errors that were encountered during importing
-        * Maximum of one error message per record, but you can append if you need to
-        *
-        * @return Array (
-        *       record_# => error message
-        *       )
-        */
-        public function get_errors() {
+	 * Returns errors that were encountered during importing
+	 * Maximum of one error message per record, but you can append if you need to
+	 *
+	 * @return Array (
+	 *       record_# => error message
+	 *       )
+	 */
+		public function get_errors() {
 		return $this->errors;
 	}
 
 	/**
-        * Returns a list of actions taken, and the number of records for that action.
-        * Actions are things like 'insert', 'update', 'delete', and may be different for each plugin.
-        *
-        * @return Array (
-        *       action => record count
-        * )
-        */
-        public function get_results() {
+	 * Returns a list of actions taken, and the number of records for that action.
+	 * Actions are things like 'insert', 'update', 'delete', and may be different for each plugin.
+	 *
+	 * @return Array (
+	 *       action => record count
+	 * )
+	 */
+		public function get_results() {
 		return $this->results;
 	}
 } // end of iface_export_plugin

Spacing +58 added lines, -58 removed lines

@@ -10,28 +10,28 @@ 
  * @version $Id: $
  */
 
-require_once(EGW_INCLUDE_ROOT. '/importexport/inc/class.iface_import_plugin.inc.php');
+require_once(EGW_INCLUDE_ROOT.'/importexport/inc/class.iface_import_plugin.inc.php');
 require_once(EGW_INCLUDE_ROOT.'/importexport/inc/class.import_csv.inc.php');
 
 
 /**
  * class import_csv for addressbook
  */
-class import_events_csv implements iface_import_plugin  {
+class import_events_csv implements iface_import_plugin {
 
 	private static $plugin_options = array(
-		'fieldsep', 			// char
-		'charset', 				// string
-		'event_owner', 			// int account_id or -1 for leave untuched
-		'owner_joins_event',	// bool
-		'update_cats', 			// string {override|add} overides record
+		'fieldsep', // char
+		'charset', // string
+		'event_owner', // int account_id or -1 for leave untuched
+		'owner_joins_event', // bool
+		'update_cats', // string {override|add} overides record
 								// with cat(s) from csv OR add the cat from
 								// csv file to exeisting cat(s) of record
-		'num_header_lines',		// int number of header lines
-		'trash_users_records',	// trashes all events of events owner before import
-		'field_conversion', 	// array( $csv_col_num => conversion)
-		'field_mapping',		// array( $csv_col_num => adb_filed)
-		'conditions',			/* => array containing condition arrays:
+		'num_header_lines', // int number of header lines
+		'trash_users_records', // trashes all events of events owner before import
+		'field_conversion', // array( $csv_col_num => conversion)
+		'field_mapping', // array( $csv_col_num => adb_filed)
+		'conditions', /* => array containing condition arrays:
 				'type' => exists, // record['uid'] exists
 				'true' => array(
 					'action' => update,
@@ -47,14 +47,14 @@ 
 	/**
 	 * actions wich could be done to data entries
 	 */
-	private static $actions = array( 'none', 'update', 'insert', 'delete', );
+	private static $actions = array('none', 'update', 'insert', 'delete',);
 
 	/**
 	 * conditions for actions
 	 *
 	 * @var array
 	 */
-	private static $conditions = array( 'exists', 'empty', );
+	private static $conditions = array('exists', 'empty',);
 
 	/**
 	 * @var definition
@@ -97,8 +97,8 @@ 
 	 * @param string $_charset
 	 * @param definition $_definition
 	 */
-	public function import( $_stream, definition $_definition ) {
-		$import_csv = new import_csv( $_stream, array(
+	public function import($_stream, definition $_definition) {
+		$import_csv = new import_csv($_stream, array(
 			'fieldsep' => $_definition->plugin_options['fieldsep'],
 			'charset' => $_definition->plugin_options['charset'],
 		));
@@ -106,11 +106,11 @@ 
 		$this->definition = $_definition;
 
 		// user, is admin ?
-		$this->is_admin = isset( $GLOBALS['egw_info']['user']['apps']['admin'] ) && $GLOBALS['egw_info']['user']['apps']['admin'];
+		$this->is_admin = isset($GLOBALS['egw_info']['user']['apps']['admin']) && $GLOBALS['egw_info']['user']['apps']['admin'];
 		$this->user = $GLOBALS['egw_info']['user']['account_id'];
 
 		// dry run?
-		$this->dry_run = isset( $_definition->plugin_options['dry_run'] ) ? $_definition->plugin_options['dry_run'] :  false;
+		$this->dry_run = isset($_definition->plugin_options['dry_run']) ? $_definition->plugin_options['dry_run'] : false;
 
 		// fetch the calendar bo
 		$this->bocalupdate = new calendar_boupdate();
@@ -122,22 +122,22 @@ 
 		$import_csv->conversion = $_definition->plugin_options['field_conversion'];
 
 		//check if file has a header lines
-		if ( isset( $_definition->plugin_options['num_header_lines'] ) ) {
-			$import_csv->skip_records( $_definition->plugin_options['num_header_lines'] );
+		if (isset($_definition->plugin_options['num_header_lines'])) {
+			$import_csv->skip_records($_definition->plugin_options['num_header_lines']);
 		}
 
 		// set eventOwner
-		$_definition->plugin_options['events_owner'] = isset( $_definition->plugin_options['events_owner'] ) ?
+		$_definition->plugin_options['events_owner'] = isset($_definition->plugin_options['events_owner']) ?
 			$_definition->plugin_options['events_owner'] : $this->user;
 
 		// trash_users_records ?
-		if ( $_definition->plugin_options['trash_users_records'] === true ) {
-			if ( !$_definition->plugin_options['dry_run'] ) {
+		if ($_definition->plugin_options['trash_users_records'] === true) {
+			if (!$_definition->plugin_options['dry_run']) {
 				$socal = new calendar_socal();
-				$this->bocalupdate->so->deleteaccount( $_definition->plugin_options['events_owner']);
-				unset( $socal );
+				$this->bocalupdate->so->deleteaccount($_definition->plugin_options['events_owner']);
+				unset($socal);
 			} else {
-				$lid = $GLOBALS['egw']->accounts->id2name( $_definition->plugin_options['events_owner'] );
+				$lid = $GLOBALS['egw']->accounts->id2name($_definition->plugin_options['events_owner']);
 				echo "Attension: All Events of '$lid' would be deleted!\n";
 			}
 		}
@@ -145,44 +145,44 @@ 
 		$this->errors = array();
 		$this->results = array();
 
-		while ( $record = $import_csv->get_record() ) {
+		while ($record = $import_csv->get_record()) {
 
 			// don't import empty events
-			if( count( array_unique( $record ) ) < 2 ) continue;
+			if (count(array_unique($record)) < 2) continue;
 
-			if ( $_definition->plugin_options['events_owner'] != -1 ) {
+			if ($_definition->plugin_options['events_owner'] != -1) {
 				$record['owner'] = $_definition->plugin_options['events_owner'];
-			} else unset( $record['owner'] );
+			} else unset($record['owner']);
 
-			if ( $_definition->plugin_options['conditions'] ) {
-				foreach ( $_definition->plugin_options['conditions'] as $condition ) {
-					switch ( $condition['type'] ) {
+			if ($_definition->plugin_options['conditions']) {
+				foreach ($_definition->plugin_options['conditions'] as $condition) {
+					switch ($condition['type']) {
 						// exists
 						case 'exists' :
 
-							if ( is_array( $event = $this->bocalupdate->read( $record['uid'], null, $this->is_admin ) ) ) {
+							if (is_array($event = $this->bocalupdate->read($record['uid'], null, $this->is_admin))) {
 								// apply action to event matching this exists condition
 								$record['id'] = $event['id'];
 
-								if ( $_definition->plugin_options['update_cats'] == 'add' ) {
-									if ( !is_array( $event['cat_id'] ) ) $event['cat_id'] = explode( ',', $event['cat_id'] );
-									if ( !is_array( $record['cat_id'] ) ) $record['cat_id'] = explode( ',', $record['cat_id'] );
-									$record['cat_id'] = implode( ',', array_unique( array_merge( $record['cat_id'], $event['cat_id'] ) ) );
+								if ($_definition->plugin_options['update_cats'] == 'add') {
+									if (!is_array($event['cat_id'])) $event['cat_id'] = explode(',', $event['cat_id']);
+									if (!is_array($record['cat_id'])) $record['cat_id'] = explode(',', $record['cat_id']);
+									$record['cat_id'] = implode(',', array_unique(array_merge($record['cat_id'], $event['cat_id'])));
 								}
 
 								// check if entry is modiefied
-								$event = array_intersect_key( $event, $record );
-								$diff = array_diff( $event, $record );
-								if( !empty( $diff ) ) $record['modified'] = time();
+								$event = array_intersect_key($event, $record);
+								$diff = array_diff($event, $record);
+								if (!empty($diff)) $record['modified'] = time();
 
 								$action = $condition['true'];
 							} else $action = $condition['false'];
 
-							$this->action( $action['action'], $record );
+							$this->action($action['action'], $record);
 							break;
 						case 'empty' :
-							$action = empty( $record[$condition['string']] ) ? $condition['true'] : $condition['false'];
-							$this->action( $action['action'], $record );
+							$action = empty($record[$condition['string']]) ? $condition['true'] : $condition['false'];
+							$this->action($action['action'], $record);
 							break;
 
 						// not supported action
@@ -194,7 +194,7 @@ 
 				}
 			} else {
 				// unconditional insert
-				$this->action( 'insert', $record );
+				$this->action('insert', $record);
 			}
 		}
 	}
@@ -206,8 +206,8 @@ 
 	 * @param array $_data event data for the action
 	 * @return bool success or not
 	 */
-	private function action ( $_action, $_data ) {
-		switch ( $_action ) {
+	private function action($_action, $_data) {
+		switch ($_action) {
 			case 'none' :
 				return true;
 
@@ -215,32 +215,32 @@ 
 			case 'insert' :
 
 				// paticipants handling
-				$participants = $_data['participants'] ? split( '[,;]', $_data['participants'] ) : array();
+				$participants = $_data['participants'] ? split('[,;]', $_data['participants']) : array();
 				$_data['participants'] = array();
-				if ( $this->definition->plugin_options['owner_joins_event'] && $this->definition->plugin_options['events_owner'] > 0 ) {
+				if ($this->definition->plugin_options['owner_joins_event'] && $this->definition->plugin_options['events_owner'] > 0) {
 					$_data['participants'][$this->definition->plugin_options['events_owner']] = 'A';
 				}
-				foreach( $participants as $participant ) {
-					list( $participant, $status ) = explode( '=', $participant );
-					$valid_staties = array('U'=>'U','u'=>'U','A'=>'A','a'=>'A','R'=>'R','r'=>'R','T'=>'T','t'=>'T');
-					$status = isset( $valid_staties[$status] ) ? $valid_staties[$status] : 'U';
-					if ( $participant && is_numeric($participant ) ) {
+				foreach ($participants as $participant) {
+					list($participant, $status) = explode('=', $participant);
+					$valid_staties = array('U'=>'U', 'u'=>'U', 'A'=>'A', 'a'=>'A', 'R'=>'R', 'r'=>'R', 'T'=>'T', 't'=>'T');
+					$status = isset($valid_staties[$status]) ? $valid_staties[$status] : 'U';
+					if ($participant && is_numeric($participant)) {
 						$_data['participants'][$participant] = $status;
 					}
 				}
 				// no valid participants so far --> add the importing user/owner
-				if ( empty( $_data['participants'] ) ) {
+				if (empty($_data['participants'])) {
 					$_data['participants'][$this->user] = 'A';
 				}
 
 				// are we serious?
-				if ( $this->dry_run ) {
+				if ($this->dry_run) {
 					print_r($_data);
 					$this->results[$_action]++;
 				} else {
 					$messages = array();
-					$result = $this->bocalupdate->update( $_data, true, !$_data['modified'], $this->is_admin, true, $messages);
-					if(!$result) {
+					$result = $this->bocalupdate->update($_data, true, !$_data['modified'], $this->is_admin, true, $messages);
+					if (!$result) {
 						$this->errors = implode(',', $messages);
 					} else {
 						$this->results[$_action]++;

Braces +94 added lines, -38 removed lines

@@ -17,7 +17,8 @@ 
 /**
  * class import_csv for addressbook
  */
-class import_events_csv implements iface_import_plugin  {
+class import_events_csv implements iface_import_plugin
+{
 
 	private static $plugin_options = array(
 		'fieldsep', 			// char
@@ -97,7 +98,8 @@ 
 	 * @param string $_charset
 	 * @param definition $_definition
 	 */
-	public function import( $_stream, definition $_definition ) {
+	public function import( $_stream, definition $_definition )
+	{
 		$import_csv = new import_csv( $_stream, array(
 			'fieldsep' => $_definition->plugin_options['fieldsep'],
 			'charset' => $_definition->plugin_options['charset'],
@@ -122,7 +124,8 @@ 
 		$import_csv->conversion = $_definition->plugin_options['field_conversion'];
 
 		//check if file has a header lines
-		if ( isset( $_definition->plugin_options['num_header_lines'] ) ) {
+		if ( isset( $_definition->plugin_options['num_header_lines'] ) )
+		{
 			$import_csv->skip_records( $_definition->plugin_options['num_header_lines'] );
 		}
 
@@ -131,12 +134,16 @@ 
 			$_definition->plugin_options['events_owner'] : $this->user;
 
 		// trash_users_records ?
-		if ( $_definition->plugin_options['trash_users_records'] === true ) {
-			if ( !$_definition->plugin_options['dry_run'] ) {
+		if ( $_definition->plugin_options['trash_users_records'] === true )
+		{
+			if ( !$_definition->plugin_options['dry_run'] )
+			{
 				$socal = new calendar_socal();
 				$this->bocalupdate->so->deleteaccount( $_definition->plugin_options['events_owner']);
 				unset( $socal );
-			} else {
+			}
+			else
+			{
 				$lid = $GLOBALS['egw']->accounts->id2name( $_definition->plugin_options['events_owner'] );
 				echo "Attension: All Events of '$lid' would be deleted!\n";
 			}
@@ -145,38 +152,63 @@ 
 		$this->errors = array();
 		$this->results = array();
 
-		while ( $record = $import_csv->get_record() ) {
+		while ( $record = $import_csv->get_record() )
+		{
 
 			// don't import empty events
-			if( count( array_unique( $record ) ) < 2 ) continue;
+			if( count( array_unique( $record ) ) < 2 )
+			{
+				continue;
+			}
 
-			if ( $_definition->plugin_options['events_owner'] != -1 ) {
+			if ( $_definition->plugin_options['events_owner'] != -1 )
+			{
 				$record['owner'] = $_definition->plugin_options['events_owner'];
-			} else unset( $record['owner'] );
+			}
+			else {
+				unset( $record['owner'] );
+			}
 
-			if ( $_definition->plugin_options['conditions'] ) {
-				foreach ( $_definition->plugin_options['conditions'] as $condition ) {
-					switch ( $condition['type'] ) {
+			if ( $_definition->plugin_options['conditions'] )
+			{
+				foreach ( $_definition->plugin_options['conditions'] as $condition )
+				{
+					switch ( $condition['type'] )
+					{
 						// exists
 						case 'exists' :
 
-							if ( is_array( $event = $this->bocalupdate->read( $record['uid'], null, $this->is_admin ) ) ) {
+							if ( is_array( $event = $this->bocalupdate->read( $record['uid'], null, $this->is_admin ) ) )
+							{
 								// apply action to event matching this exists condition
 								$record['id'] = $event['id'];
 
-								if ( $_definition->plugin_options['update_cats'] == 'add' ) {
-									if ( !is_array( $event['cat_id'] ) ) $event['cat_id'] = explode( ',', $event['cat_id'] );
-									if ( !is_array( $record['cat_id'] ) ) $record['cat_id'] = explode( ',', $record['cat_id'] );
+								if ( $_definition->plugin_options['update_cats'] == 'add' )
+								{
+									if ( !is_array( $event['cat_id'] ) )
+									{
+										$event['cat_id'] = explode( ',', $event['cat_id'] );
+									}
+									if ( !is_array( $record['cat_id'] ) )
+									{
+										$record['cat_id'] = explode( ',', $record['cat_id'] );
+									}
 									$record['cat_id'] = implode( ',', array_unique( array_merge( $record['cat_id'], $event['cat_id'] ) ) );
 								}
 
 								// check if entry is modiefied
 								$event = array_intersect_key( $event, $record );
 								$diff = array_diff( $event, $record );
-								if( !empty( $diff ) ) $record['modified'] = time();
+								if( !empty( $diff ) )
+								{
+									$record['modified'] = time();
+								}
 
 								$action = $condition['true'];
-							} else $action = $condition['false'];
+							}
+							else {
+								$action = $condition['false'];
+							}
 
 							$this->action( $action['action'], $record );
 							break;
@@ -190,9 +222,14 @@ 
 							throw new Exception('condition not supported!!!');
 							break;
 					}
-					if ($action['last']) break;
+					if ($action['last'])
+					{
+						break;
+					}
 				}
-			} else {
+			}
+			else
+			{
 				// unconditional insert
 				$this->action( 'insert', $record );
 			}
@@ -206,8 +243,10 @@ 
 	 * @param array $_data event data for the action
 	 * @return bool success or not
 	 */
-	private function action ( $_action, $_data ) {
-		switch ( $_action ) {
+	private function action ( $_action, $_data )
+	{
+		switch ( $_action )
+		{
 			case 'none' :
 				return true;
 
@@ -217,32 +256,42 @@ 
 				// paticipants handling
 				$participants = $_data['participants'] ? split( '[,;]', $_data['participants'] ) : array();
 				$_data['participants'] = array();
-				if ( $this->definition->plugin_options['owner_joins_event'] && $this->definition->plugin_options['events_owner'] > 0 ) {
+				if ( $this->definition->plugin_options['owner_joins_event'] && $this->definition->plugin_options['events_owner'] > 0 )
+				{
 					$_data['participants'][$this->definition->plugin_options['events_owner']] = 'A';
 				}
-				foreach( $participants as $participant ) {
+				foreach( $participants as $participant )
+				{
 					list( $participant, $status ) = explode( '=', $participant );
 					$valid_staties = array('U'=>'U','u'=>'U','A'=>'A','a'=>'A','R'=>'R','r'=>'R','T'=>'T','t'=>'T');
 					$status = isset( $valid_staties[$status] ) ? $valid_staties[$status] : 'U';
-					if ( $participant && is_numeric($participant ) ) {
+					if ( $participant && is_numeric($participant ) )
+					{
 						$_data['participants'][$participant] = $status;
 					}
 				}
 				// no valid participants so far --> add the importing user/owner
-				if ( empty( $_data['participants'] ) ) {
+				if ( empty( $_data['participants'] ) )
+				{
 					$_data['participants'][$this->user] = 'A';
 				}
 
 				// are we serious?
-				if ( $this->dry_run ) {
+				if ( $this->dry_run )
+				{
 					print_r($_data);
 					$this->results[$_action]++;
-				} else {
+				}
+				else
+				{
 					$messages = array();
 					$result = $this->bocalupdate->update( $_data, true, !$_data['modified'], $this->is_admin, true, $messages);
-					if(!$result) {
+					if(!$result)
+					{
 						$this->errors = implode(',', $messages);
-					} else {
+					}
+					else
+					{
 						$this->results[$_action]++;
 					}
 					return $result;
@@ -257,7 +306,8 @@ 
 	 *
 	 * @return string name
 	 */
-	public static function get_name() {
+	public static function get_name()
+	{
 		return lang('Calendar CSV export');
 	}
 
@@ -266,7 +316,8 @@ 
 	 *
 	 * @return string descriprion
 	 */
-	public static function get_description() {
+	public static function get_description()
+	{
 		return lang("Imports events into your Calendar from a CSV File. CSV means 'Comma Seperated Values'. However in the options Tab you can also choose other seperators.");
 	}
 
@@ -275,7 +326,8 @@ 
 	 *
 	 * @return string suffix (comma seperated)
 	 */
-	public static function get_filesuffix() {
+	public static function get_filesuffix()
+	{
 		return 'csv';
 	}
 
@@ -291,7 +343,8 @@ 
 	 * 		preserv		=> array,
 	 * )
 	 */
-	public function get_options_etpl() {
+	public function get_options_etpl()
+	{
 		// lets do it!
 	}
 
@@ -300,7 +353,8 @@ 
 	 *
 	 * @return string etemplate name
 	 */
-	public function get_selectors_etpl() {
+	public function get_selectors_etpl()
+	{
 		// lets do it!
 	}
 
@@ -312,7 +366,8 @@ 
         *       record_# => error message
         *       )
         */
-        public function get_errors() {
+        public function get_errors()
+        {
 		return $this->errors;
 	}
 
@@ -324,7 +379,8 @@ 
         *       action => record count
         * )
         */
-        public function get_results() {
+        public function get_results()
+        {
 		return $this->results;
 	}
 } // end of iface_export_plugin

calendar/inc/class.calendar_bo.inc.php

Doc Comments +8 added lines, -13 removed lines

@@ -626,8 +626,8 @@ 
 	 * or an ExecMethod callback with parameters $id,$event
 	 *
 	 * @param string $app
-	 * @param int|string $id
-	 * @return string
+	 * @param string $id
+	 * @return boolean
 	 */
 	static function integration_get_private($app,$id,$event)
 	{
@@ -756,7 +756,7 @@ 
 	 * This methods operates in usertime, while $this->config['horizont'] is in servertime!
 	 *
 	 * @param array $event
-	 * @param mixed $start =0 minimum start-time for new recurrences or !$start = since the start of the event
+	 * @param integer $start =0 minimum start-time for new recurrences or !$start = since the start of the event
 	 */
 	function set_recurrences($event,$start=0)
 	{
@@ -976,10 +976,9 @@ 
 	 * Recurrences get calculated by rrule iterator implemented in calendar_rrule class.
 	 *
 	 * @param array $event repeating event whos repetions should be inserted
-	 * @param mixed $start start-date
+	 * @param mixed $_start start-date
 	 * @param mixed $end end-date
 	 * @param array $events where the repetions get inserted
-	 * @param array $recur_exceptions with date (in Ymd) as key (and True as values), seems not to be used anymore
 	 */
 	function insert_all_recurrences($event,$_start,$end,&$events)
 	{
@@ -1133,7 +1132,7 @@ 
 	 *	even if you have no general read-grant from that user.
 	 *
 	 * @param int $needed necessary ACL right: Acl::{READ|EDIT|DELETE}
-	 * @param mixed $event event as array or the event-id or 0 for a general check
+	 * @param integer $event event as array or the event-id or 0 for a general check
 	 * @param int $other uid to check (if event==0) or 0 to check against $this->user
 	 * @param string $date_format ='ts' date-format used for reading: 'ts'=timestamp, 'array'=array, 'string'=iso8601 string for xmlrpc
 	 * @param mixed $date_to_read =null date used for reading, internal param for the caching
@@ -1306,8 +1305,6 @@ 
 	 * @param string $msg message with parameters/variables like lang(), eg. '%1'
 	 * @param boolean $backtrace =True include a function-backtrace, default True=On
 	 *	should only be set to False=Off, if your code ensures a call with backtrace=On was made before !!!
-	 * @param mixed $param a variable number of parameters, to be inserted in $msg
-	 *	arrays get serialized with print_r() !
 	 */
 	static function debug_message($msg,$backtrace=True)
 	{
@@ -1370,7 +1367,7 @@ 
 	 * Formats one or two dates (range) as long date (full monthname), optionaly with a time
 	 *
 	 * @param mixed $_first first date
-	 * @param mixed $last =0 last date if != 0 (default)
+	 * @param integer $last =0 last date if != 0 (default)
 	 * @param boolean $display_time =false should a time be displayed too
 	 * @param boolean $display_day =false should a day-name prefix the date, eg. monday June 20, 2006
 	 * @return string with formated date
@@ -1839,7 +1836,6 @@ 
 	 *
 	 * Is called as hook to participate in the linking
 	 *
-	 * @param int|array $entry int cal_id or array with event
 	 * @param string|boolean string with title, null if not found or false if not read perms
 	 */
 	function link_title($event)
@@ -2028,7 +2024,8 @@ 
 	 *
 	 * @param array|int|string $entry array with event or cal_id, or cal_id:recur_date for virtual exceptions
 	 * @param string &$schedule_tag=null on return schedule-tag (egw_cal.cal_id:egw_cal.cal_etag, no participant modifications!)
-	 * @return string|boolean string with etag or false
+	 * @param string $schedule_tag
+	 * @return string string with etag or false
 	 */
 	function get_etag($entry, &$schedule_tag=null)
 	{
@@ -2068,7 +2065,6 @@ 
 	 * Hook for infolog  to set some extra data and links
 	 *
 	 * @param array $data event-array preset by infolog plus
-	 * @param int $data[id] cal_id
 	 * @return array with key => value pairs to set in new event and link_app/link_id arrays
 	 */
 	function infolog_set($data)
@@ -2120,7 +2116,6 @@ 
 	 * Hook for timesheet to set some extra data and links
 	 *
 	 * @param array $data
-	 * @param int $data[id] cal_id:recurrence
 	 * @return array with key => value pairs to set in new timesheet and link_app/link_id arrays
 	 */
 	function timesheet_set($data)

Indentation +20 added lines, -20 removed lines

@@ -1490,13 +1490,13 @@ 
 	}
 
 	/**
-	* Converts a participant into a (readable) user- or resource-name
-	*
-	* @param string|int $id id of user or resource
-	* @param string|boolean $use_type =false type-letter or false
-	* @param boolean $append_email =false append email (Name <email>)
-	* @return string with name
-	*/
+	 * Converts a participant into a (readable) user- or resource-name
+	 *
+	 * @param string|int $id id of user or resource
+	 * @param string|boolean $use_type =false type-letter or false
+	 * @param boolean $append_email =false append email (Name <email>)
+	 * @return string with name
+	 */
 	function participant_name($id,$use_type=false, $append_email=false)
 	{
 		static $id2lid = array();
@@ -1525,13 +1525,13 @@ 
 	}
 
 	/**
-	* Converts participants array of an event into array of (readable) participant-names with status
-	*
-	* @param array $event event-data
-	* @param boolean $long_status =false should the long/verbose status or an icon be use
-	* @param boolean $show_group_invitation =false show group-invitations (status == 'G') or not (default)
-	* @return array with id / names with status pairs
-	*/
+	 * Converts participants array of an event into array of (readable) participant-names with status
+	 *
+	 * @param array $event event-data
+	 * @param boolean $long_status =false should the long/verbose status or an icon be use
+	 * @param boolean $show_group_invitation =false show group-invitations (status == 'G') or not (default)
+	 * @return array with id / names with status pairs
+	 */
 	function participants($event,$long_status=false,$show_group_invitation=false)
 	{
 		//error_log(__METHOD__.__LINE__.array2string($event['participants']));
@@ -1601,12 +1601,12 @@ 
 	}
 
 	/**
-	* Converts category string of an event into array of (readable) category-names
-	*
-	* @param string $category cat-id (multiple id's commaseparated)
-	* @param int $color color of the category, if multiple cats, the color of the last one with color is returned
-	* @return array with id / names
-	*/
+	 * Converts category string of an event into array of (readable) category-names
+	 *
+	 * @param string $category cat-id (multiple id's commaseparated)
+	 * @param int $color color of the category, if multiple cats, the color of the last one with color is returned
+	 * @return array with id / names
+	 */
 	function categories($category,&$color)
 	{
 		static $id2cat = array();

Spacing +287 added lines, -288 removed lines

@@ -17,12 +17,12 @@ 
 
 if (!defined('ACL_TYPE_IDENTIFER'))	// used to mark ACL-values for the debug_message methode
 {
-	define('ACL_TYPE_IDENTIFER','***ACL***');
+	define('ACL_TYPE_IDENTIFER', '***ACL***');
 }
 
-define('HOUR_s',60*60);
-define('DAY_s',24*HOUR_s);
-define('WEEK_s',7*DAY_s);
+define('HOUR_s', 60 * 60);
+define('DAY_s', 24 * HOUR_s);
+define('WEEK_s', 7 * DAY_s);
 
 /**
  * Required (!) include, as we use the MCAL_* constants, BEFORE instanciating (and therefore autoloading) the class
@@ -71,7 +71,7 @@ 
 	 *	4 = function-calls to exported conversation-functions like date2ts, date2array, ...
 	 *	5 = function-calls to private functions
 	 */
-	var $debug=false;
+	var $debug = false;
 
 	/**
 	 * @var int $now timestamp in server-time
@@ -101,12 +101,12 @@ 
 	/**
 	 * @var int $user nummerical id of the current user-id
 	 */
-	var $user=0;
+	var $user = 0;
 
 	/**
 	 * @var array $grants grants of the current user, array with user-id / ored-ACL-rights pairs
 	 */
-	var $grants=array();
+	var $grants = array();
 
 	/**
 	 * @var array $verbose_status translated 1-char status values to a verbose name, run through lang() by the constructor
@@ -216,15 +216,15 @@ 
 	 */
 	function __construct()
 	{
-		if ($this->debug > 0) $this->debug_message('calendar_bo::bocal() started',True);
+		if ($this->debug > 0) $this->debug_message('calendar_bo::bocal() started', True);
 
 		$this->so = new calendar_so();
 
-		$this->common_prefs =& $GLOBALS['egw_info']['user']['preferences']['common'];
-		$this->cal_prefs =& $GLOBALS['egw_info']['user']['preferences']['calendar'];
+		$this->common_prefs = & $GLOBALS['egw_info']['user']['preferences']['common'];
+		$this->cal_prefs = & $GLOBALS['egw_info']['user']['preferences']['calendar'];
 
 		$this->now = time();
-		$this->now_su = Api\DateTime::server2user($this->now,'ts');
+		$this->now_su = Api\DateTime::server2user($this->now, 'ts');
 
 		$this->user = $GLOBALS['egw_info']['user']['account_id'];
 
@@ -233,7 +233,7 @@ 
 		if (!is_array($this->resources = Api\Cache::getSession('calendar', 'resources')))
 		{
 			$this->resources = array();
-			foreach(Api\Hooks::process('calendar_resources') as $app => $data)
+			foreach (Api\Hooks::process('calendar_resources') as $app => $data)
 			{
 				if ($data && $data['type'])
 				{
@@ -253,14 +253,14 @@ 
 		}
 		//error_log(__METHOD__ . " registered resources=". array2string($this->resources));
 
-		$this->config = Api\Config::read('calendar');	// only used for horizont, regular calendar Api\Config is under phpgwapi
+		$this->config = Api\Config::read('calendar'); // only used for horizont, regular calendar Api\Config is under phpgwapi
 		$this->require_acl_invite = $GLOBALS['egw_info']['server']['require_acl_invite'];
 
-		$this->categories = new Api\Categories($this->user,'calendar');
+		$this->categories = new Api\Categories($this->user, 'calendar');
 
 		$this->customfields = Api\Storage\Customfields::get('calendar');
 
-		foreach($this->alarms as $secs => &$label)
+		foreach ($this->alarms as $secs => &$label)
 		{
 			$label = self::secs2label($secs);
 		}
@@ -276,15 +276,15 @@ 
 	{
 		if ($secs <= 3600)
 		{
-			$label = lang('%1 minutes', $secs/60);
+			$label = lang('%1 minutes', $secs / 60);
 		}
-		elseif($secs <= 86400)
+		elseif ($secs <= 86400)
 		{
-			$label = lang('%1 hours', $secs/3600);
+			$label = lang('%1 hours', $secs / 3600);
 		}
 		else
 		{
-			$label = lang('%1 days', $secs/86400);
+			$label = lang('%1 days', $secs / 86400);
 		}
 		return $label;
 	}
@@ -300,12 +300,12 @@ 
 		if (!$ids) return null;
 
 		$data = array();
-		foreach((array)$ids as $id)
+		foreach ((array)$ids as $id)
 		{
 			$email = $id;
 			$name = '';
 			$matches = null;
-			if (preg_match('/^(.*) *<([a-z0-9_.@-]{8,})>$/iU',$email,$matches))
+			if (preg_match('/^(.*) *<([a-z0-9_.@-]{8,})>$/iU', $email, $matches))
 			{
 				$name = $matches[1];
 				$email = $matches[2];
@@ -330,12 +330,12 @@ 
 	function enum_groups(&$event)
 	{
 		$added = 0;
-		foreach(array_keys($event['participants']) as $uid)
+		foreach (array_keys($event['participants']) as $uid)
 		{
 			if (is_numeric($uid) && $GLOBALS['egw']->accounts->get_type($uid) == 'g' &&
 				($members = $GLOBALS['egw']->accounts->members($uid, true)))
 			{
-				foreach($members as $member)
+				foreach ($members as $member)
 				{
 					if (!isset($event['participants'][$member]))
 					{
@@ -357,7 +357,7 @@ 
 	 * @param boolean $use_freebusy =true should freebusy rights are taken into account, default true, can be set to false eg. for a search
 	 * @return array of user-ids
 	 */
-	private function resolve_users($_users, $no_enum_groups=true, $ignore_acl=false, $use_freebusy=true)
+	private function resolve_users($_users, $no_enum_groups = true, $ignore_acl = false, $use_freebusy = true)
 	{
 		if (!is_array($_users))
 		{
@@ -365,19 +365,19 @@ 
 		}
 		// only query calendars of users, we have READ-grants from
 		$users = array();
-		foreach($_users as $user)
+		foreach ($_users as $user)
 		{
 			$user = trim($user);
-			if ($ignore_acl || $this->check_perms(ACL::READ|self::ACL_READ_FOR_PARTICIPANTS|($use_freebusy?self::ACL_FREEBUSY:0),0,$user))
+			if ($ignore_acl || $this->check_perms(ACL::READ|self::ACL_READ_FOR_PARTICIPANTS|($use_freebusy ? self::ACL_FREEBUSY : 0), 0, $user))
 			{
-				if ($user && !in_array($user,$users))	// already added?
+				if ($user && !in_array($user, $users))	// already added?
 				{
 					$users[] = $user;
 				}
 			}
 			elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g')
 			{
-				continue;	// for non-groups (eg. users), we stop here if we have no read-rights
+				continue; // for non-groups (eg. users), we stop here if we have no read-rights
 			}
 			// the further code is only for real users
 			if (!is_numeric($user)) continue;
@@ -390,11 +390,11 @@ 
 				$members = $GLOBALS['egw']->accounts->members($user, true);
 				if (is_array($members))
 				{
-					foreach($members as $member)
+					foreach ($members as $member)
 					{
 						// use only members which gave the user a read-grant
 						if (!in_array($member, $users) &&
-							($ignore_acl || $this->check_perms(Acl::READ|($use_freebusy?self::ACL_FREEBUSY:0),0,$member)))
+							($ignore_acl || $this->check_perms(Acl::READ|($use_freebusy ? self::ACL_FREEBUSY : 0), 0, $member)))
 						{
 							$users[] = $member;
 						}
@@ -406,9 +406,9 @@ 
 				$memberships = $GLOBALS['egw']->accounts->memberships($user, true);
 				if (is_array($memberships))
 				{
-					foreach($memberships as $group)
+					foreach ($memberships as $group)
 					{
-						if (!in_array($group,$users))
+						if (!in_array($group, $users))
 						{
 							$users[] = $group;
 						}
@@ -449,18 +449,18 @@ 
 	 * @return iterator|array|boolean array of events or array with YYYYMMDD strings / array of events pairs (depending on $daywise param)
 	 *	or false if there are no read-grants from _any_ of the requested users or iterator/recordset if cols are given
 	 */
-	function &search($params,$sql_filter=null)
+	function &search($params, $sql_filter = null)
 	{
 		$params_in = $params;
 
-		$params['sql_filter'] = $sql_filter;	// dont allow to set it via UI or xmlrpc
+		$params['sql_filter'] = $sql_filter; // dont allow to set it via UI or xmlrpc
 
 		// check if any resource wants to hook into
-		foreach($this->resources as $data)
+		foreach ($this->resources as $data)
 		{
 			if (isset($data['search_filter']))
 			{
-				$params = ExecMethod($data['search_filter'],$params);
+				$params = ExecMethod($data['search_filter'], $params);
 			}
 		}
 
@@ -478,9 +478,9 @@ 
 		if (!empty($params['query']))
 		{
 			$params['private_grants'] = array();
-			foreach($this->grants as $user => $rights)
+			foreach ($this->grants as $user => $rights)
 			{
-				if ($rights & Acl::PRIVAT) $params['private_grants'][] = $user;
+				if ($rights&Acl::PRIVAT) $params['private_grants'][] = $user;
 			}
 		}
 
@@ -506,49 +506,49 @@ 
 		$params['enum_recuring'] = $enum_recuring = $daywise || !isset($params['enum_recuring']) || !!$params['enum_recuring'];
 		$cat_id = isset($params['cat_id']) ? $params['cat_id'] : 0;
 		$filter = isset($params['filter']) ? $params['filter'] : 'all';
-		$offset = isset($params['offset']) && $params['offset'] !== false ? (int) $params['offset'] : false;
+		$offset = isset($params['offset']) && $params['offset'] !== false ? (int)$params['offset'] : false;
 		// socal::search() returns rejected group-invitations, as only the user not also the group is rejected
 		// as we cant remove them efficiantly in SQL, we kick them out here, but only if just one user is displayed
 		$users_in = (array)$params_in['users'];
-		$remove_rejected_by_user = !in_array($filter,array('all','rejected','everything')) &&
+		$remove_rejected_by_user = !in_array($filter, array('all', 'rejected', 'everything')) &&
 			count($users_in) == 1 && $users_in[0] > 0 ? $users_in[0] : null;
 		//error_log(__METHOD__.'('.array2string($params_in).", $sql_filter) params[users]=".array2string($params['users']).' --> remove_rejected_by_user='.array2string($remove_rejected_by_user));
 
 		if ($this->debug && ($this->debug > 1 || $this->debug == 'search'))
 		{
 			$this->debug_message('calendar_bo::search(%1) start=%2, end=%3, daywise=%4, cat_id=%5, filter=%6, query=%7, offset=%8, num_rows=%9, order=%10, sql_filter=%11)',
-				True,$params,$start,$end,$daywise,$cat_id,$filter,$params['query'],$offset,(int)$params['num_rows'],$params['order'],$params['sql_filter']);
+				True, $params, $start, $end, $daywise, $cat_id, $filter, $params['query'], $offset, (int)$params['num_rows'], $params['order'], $params['sql_filter']);
 		}
 		// date2ts(,true) converts to server time, db2data converts again to user-time
-		$events =& $this->so->search(isset($start) ? $this->date2ts($start,true) : null,isset($end) ? $this->date2ts($end,true) : null,
-			$users,$cat_id,$filter,$offset,(int)$params['num_rows'],$params,$remove_rejected_by_user);
+		$events = & $this->so->search(isset($start) ? $this->date2ts($start, true) : null, isset($end) ? $this->date2ts($end, true) : null,
+			$users, $cat_id, $filter, $offset, (int)$params['num_rows'], $params, $remove_rejected_by_user);
 
 		if (isset($params['cols']))
 		{
 			return $events;
 		}
 		$this->total = $this->so->total;
-		$this->db2data($events,isset($params['date_format']) ? $params['date_format'] : 'ts');
+		$this->db2data($events, isset($params['date_format']) ? $params['date_format'] : 'ts');
 
 		//echo "<p align=right>remove_rejected_by_user=$remove_rejected_by_user, filter=$filter, params[users]=".print_r($param['users'])."</p>\n";
-		foreach($events as $id => $event)
+		foreach ($events as $id => $event)
 		{
 			if ($params['enum_groups'] && $this->enum_groups($event))
 			{
 				$events[$id] = $event;
 			}
 			$matches = null;
-			if (!(int)$event['id'] && preg_match('/^([a-z_]+)([0-9]+)$/',$event['id'],$matches))
+			if (!(int)$event['id'] && preg_match('/^([a-z_]+)([0-9]+)$/', $event['id'], $matches))
 			{
-				$is_private = self::integration_get_private($matches[1],$matches[2],$event);
+				$is_private = self::integration_get_private($matches[1], $matches[2], $event);
 			}
 			else
 			{
-				$is_private = !$this->check_perms(Acl::READ,$event);
+				$is_private = !$this->check_perms(Acl::READ, $event);
 			}
 			if ($is_private || (!$event['public'] && $filter == 'hideprivate'))
 			{
-				$this->clear_private_infos($events[$id],$users);
+				$this->clear_private_infos($events[$id], $users);
 			}
 		}
 
@@ -556,18 +556,18 @@ 
 		{
 			if ($this->debug && ($this->debug > 2 || $this->debug == 'search'))
 			{
-				$this->debug_message('socalendar::search daywise sorting from %1 to %2 of %3',False,$start,$end,$events);
+				$this->debug_message('socalendar::search daywise sorting from %1 to %2 of %3', False, $start, $end, $events);
 			}
 			// create empty entries for each day in the reported time
-			for($ts = $start; $ts <= $end; $ts += DAY_s) // good enough for array creation, but see while loop below.
+			for ($ts = $start; $ts <= $end; $ts += DAY_s) // good enough for array creation, but see while loop below.
 			{
 				$daysEvents[$this->date2string($ts)] = array();
 			}
-			foreach($events as $k => $event)
+			foreach ($events as $k => $event)
 			{
-				$e_start = max($this->date2ts($event['start']),$start);
+				$e_start = max($this->date2ts($event['start']), $start);
 				// $event['end']['raw']-1 to allow events to end on a full hour/day without the need to enter it as minute=59
-				$e_end   = min($this->date2ts($event['end'])-1,$end);
+				$e_end   = min($this->date2ts($event['end']) - 1, $end);
 
 				// add event to each day in the reported time
 				$ts = $e_start;
@@ -576,23 +576,23 @@ 
 				$ymd = null;
 				while ($ts <= $e_end)
 				{
-					$daysEvents[$ymd = $this->date2string($ts)][] =& $events[$k];
-					$ts = strtotime("+1 day",$ts);
+					$daysEvents[$ymd = $this->date2string($ts)][] = & $events[$k];
+					$ts = strtotime("+1 day", $ts);
 				}
 				if ($ymd != ($last = $this->date2string($e_end)))
 				{
-					$daysEvents[$last][] =& $events[$k];
+					$daysEvents[$last][] = & $events[$k];
 				}
 			}
-			$events =& $daysEvents;
+			$events = & $daysEvents;
 			if ($this->debug && ($this->debug > 2 || $this->debug == 'search'))
 			{
-				$this->debug_message('socalendar::search daywise events=%1',False,$events);
+				$this->debug_message('socalendar::search daywise events=%1', False, $events);
 			}
 		}
 		if ($this->debug && ($this->debug > 0 || $this->debug == 'search'))
 		{
-			$this->debug_message('calendar_bo::search(%1)=%2',True,$params,$events);
+			$this->debug_message('calendar_bo::search(%1)=%2', True, $params, $events);
 		}
 		//error_log(__METHOD__."() returning ".count($events)." entries, total=$this->total ".function_backtrace());
 		return $events;
@@ -605,9 +605,9 @@ 
 	 * @param string $part
 	 * @return array
 	 */
-	static function integration_get_data($app,$part=null)
+	static function integration_get_data($app, $part = null)
 	{
-		static $integration_data=null;
+		static $integration_data = null;
 
 		if (!isset($integration_data))
 		{
@@ -629,14 +629,14 @@ 
 	 * @param int|string $id
 	 * @return string
 	 */
-	static function integration_get_private($app,$id,$event)
+	static function integration_get_private($app, $id, $event)
 	{
-		$app_data = self::integration_get_data($app,'is_private');
+		$app_data = self::integration_get_data($app, 'is_private');
 
 		// no method, fall back to link title
 		if (is_null($app_data))
 		{
-			$is_private = !Link::title($app,$id);
+			$is_private = !Link::title($app, $id);
 		}
 		// boolean value to make all events of $app public (false) or private (true)
 		elseif (is_bool($app_data))
@@ -645,7 +645,7 @@ 
 		}
 		else
 		{
-			$is_private = (bool)ExecMethod2($app_data,$id,$event);
+			$is_private = (bool)ExecMethod2($app_data, $id, $event);
 		}
 		//echo '<p>'.__METHOD__."($app,$id,) app_data=".array2string($app_data).' returning '.array2string($is_private)."</p>\n";
 		return $is_private;
@@ -659,7 +659,7 @@ 
 	 * @param array &$event
 	 * @param array $allowed_participants ids of the allowed participants, eg. the ones the search is over or eg. the owner of the calendar
 	 */
-	function clear_private_infos(&$event,$allowed_participants = array())
+	function clear_private_infos(&$event, $allowed_participants = array())
 	{
 		if ($event == false) return;
 		if (!is_array($event['participants'])) error_log(__METHOD__.'('.array2string($event).', '.array2string($allowed_participants).') NO PARTICIPANTS '.function_backtrace());
@@ -675,19 +675,19 @@ 
 			'owner'		=> $event['owner'],
 			'uid'	=> $event['uid'],
 			'etag'	=> $event['etag'],
-			'participants' => array_intersect_key($event['participants'],array_flip($allowed_participants)),
+			'participants' => array_intersect_key($event['participants'], array_flip($allowed_participants)),
 			'public'=> 0,
-			'category' => $event['category'],	// category is visible anyway, eg. by using planner by cat
+			'category' => $event['category'], // category is visible anyway, eg. by using planner by cat
 			'non_blocking' => $event['non_blocking'],
 			'caldav_name' => $event['caldav_name'],
 		// we need full recurrence information, as they are relevant free/busy information
-		)+($event['recur_type'] ? array(
+		) + ($event['recur_type'] ? array(
 			'recur_type'     => $event['recur_type'],
 			'recur_interval' => $event['recur_interval'],
 			'recur_data'     => $event['recur_data'],
 			'recur_enddate'  => $event['recur_enddate'],
 			'recur_exception'=> $event['recur_exception'],
-		):array(
+		) : array(
 			'reference'      => $event['reference'],
 			'recurrence'     => $event['recurrence'],
 		));
@@ -701,15 +701,15 @@ 
 	 */
 	function check_move_horizont($_new_horizont)
 	{
-		if ((int) $this->debug >= 2 || $this->debug == 'check_move_horizont')
+		if ((int)$this->debug >= 2 || $this->debug == 'check_move_horizont')
 		{
-			$this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2',true,$_new_horizont,(int)$this->config['horizont']);
+			$this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2', true, $_new_horizont, (int)$this->config['horizont']);
 		}
-		$new_horizont = $this->date2ts($_new_horizont,true);	// now we are in server-time, where this function operates
+		$new_horizont = $this->date2ts($_new_horizont, true); // now we are in server-time, where this function operates
 
 		if ($new_horizont <= $this->config['horizont'])	// no move necessary
 		{
-			if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 is bigger ==> nothing to do',true,$new_horizont,(int)$this->config['horizont']);
+			if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 is bigger ==> nothing to do', true, $new_horizont, (int)$this->config['horizont']);
 			return;
 		}
 		if (!empty($GLOBALS['egw_info']['server']['calendar_horizont']))
@@ -717,15 +717,15 @@ 
 			$maxdays = abs($GLOBALS['egw_info']['server']['calendar_horizont']);
 		}
 		if (empty($maxdays)) $maxdays = 1000; // old default
-		if ($new_horizont > time()+$maxdays*DAY_s)		// some user tries to "look" more then the maximum number of days in the future
+		if ($new_horizont > time() + $maxdays * DAY_s)		// some user tries to "look" more then the maximum number of days in the future
 		{
-			if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 new horizont more then %3 days from now --> ignoring it',true,$new_horizont,(int)$this->config['horizont'],$maxdays);
-			$this->warnings['horizont'] = lang('Requested date %1 outside allowed range of %2 days: recurring events obmitted!', Api\DateTime::to($new_horizont,true), $maxdays);
+			if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 new horizont more then %3 days from now --> ignoring it', true, $new_horizont, (int)$this->config['horizont'], $maxdays);
+			$this->warnings['horizont'] = lang('Requested date %1 outside allowed range of %2 days: recurring events obmitted!', Api\DateTime::to($new_horizont, true), $maxdays);
 			return;
 		}
-		if ($new_horizont < time()+31*DAY_s)
+		if ($new_horizont < time() + 31 * DAY_s)
 		{
-			$new_horizont = time()+31*DAY_s;
+			$new_horizont = time() + 31 * DAY_s;
 		}
 		$old_horizont = $this->config['horizont'];
 		$this->config['horizont'] = $new_horizont;
@@ -733,21 +733,21 @@ 
 		// create further recurrences for all recurring and not yet (at the old horizont) ended events
 		if (($recuring = $this->so->unfinished_recuring($old_horizont)))
 		{
-			@set_time_limit(0);	// disable time-limit, in case it takes longer to calculate the recurrences
-			foreach($this->read(array_keys($recuring)) as $cal_id => $event)
+			@set_time_limit(0); // disable time-limit, in case it takes longer to calculate the recurrences
+			foreach ($this->read(array_keys($recuring)) as $cal_id => $event)
 			{
 				if ($this->debug == 'check_move_horizont')
 				{
-					$this->debug_message('calendar_bo::check_move_horizont(%1): calling set_recurrences(%2,%3)',true,$new_horizont,$event,$old_horizont);
+					$this->debug_message('calendar_bo::check_move_horizont(%1): calling set_recurrences(%2,%3)', true, $new_horizont, $event, $old_horizont);
 				}
 				// insert everything behind max(cal_start), which can be less then $old_horizont because of bugs in the past
-				$this->set_recurrences($event,Api\DateTime::server2user($recuring[$cal_id]+1));	// set_recurences operates in user-time!
+				$this->set_recurrences($event, Api\DateTime::server2user($recuring[$cal_id] + 1)); // set_recurences operates in user-time!
 			}
 		}
 		// update the horizont
-		Api\Config::save_value('horizont',$this->config['horizont'],'calendar');
+		Api\Config::save_value('horizont', $this->config['horizont'], 'calendar');
 
-		if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) new horizont=%2, exiting',true,$new_horizont,(int)$this->config['horizont']);
+		if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) new horizont=%2, exiting', true, $new_horizont, (int)$this->config['horizont']);
 	}
 
 	/**
@@ -758,11 +758,11 @@ 
 	 * @param array $event
 	 * @param mixed $start =0 minimum start-time for new recurrences or !$start = since the start of the event
 	 */
-	function set_recurrences($event,$start=0)
+	function set_recurrences($event, $start = 0)
 	{
-		if ($this->debug && ((int) $this->debug >= 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont'))
+		if ($this->debug && ((int)$this->debug >= 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont'))
 		{
-			$this->debug_message('calendar_bo::set_recurrences(%1,%2)',true,$event,$start);
+			$this->debug_message('calendar_bo::set_recurrences(%1,%2)', true, $event, $start);
 		}
 		// check if the caller gave us enough information and if not read it from the DB
 		if (!isset($event['participants']) || !isset($event['start']) || !isset($event['end']))
@@ -781,26 +781,26 @@ 
 		if (!$start) $start = $event['start'];
 
 		$events = array();
-		$this->insert_all_recurrences($event,$start,$this->date2usertime($this->config['horizont']),$events);
+		$this->insert_all_recurrences($event, $start, $this->date2usertime($this->config['horizont']), $events);
 
 		$exceptions = array();
-		foreach((array)$event['recur_exception'] as $exception)
+		foreach ((array)$event['recur_exception'] as $exception)
 		{
-			$exceptions[] = Api\DateTime::to($exception, true);	// true = date
+			$exceptions[] = Api\DateTime::to($exception, true); // true = date
 		}
-		foreach($events as $event)
+		foreach ($events as $event)
 		{
 			$is_exception = in_array(Api\DateTime::to($event['start'], true), $exceptions);
-			$start = $this->date2ts($event['start'],true);
+			$start = $this->date2ts($event['start'], true);
 			if ($event['whole_day'])
 			{
 				$time = $this->so->startOfDay(new Api\DateTime($event['end'], Api\DateTime::$user_timezone));
 				$time->setTime(23, 59, 59);
-				$end = $this->date2ts($time,true);
+				$end = $this->date2ts($time, true);
 			}
 			else
 			{
-				$end = $this->date2ts($event['end'],true);
+				$end = $this->date2ts($event['end'], true);
 			}
 			//error_log(__METHOD__."() start=".Api\DateTime::to($start).", is_exception=".array2string($is_exception));
 			$this->so->recurrence($event['id'], $start, $end, $event['participants'], $is_exception);
@@ -816,7 +816,7 @@ 
 	 * @param array &$events array of event-arrays (reference)
 	 * @param $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in server-time, 'array'=array or string with date-format
 	 */
-	function db2data(&$events,$date_format='ts')
+	function db2data(&$events, $date_format = 'ts')
 	{
 		if (!is_array($events)) echo "<p>calendar_bo::db2data(\$events,$date_format) \$events is no array<br />\n".function_backtrace()."</p>\n";
 		foreach ($events as &$event)
@@ -829,65 +829,65 @@ 
 			// database returns timestamps as string, convert them to integer
 			// to avoid misinterpretation by Api\DateTime as Ymd string
 			// (this will fail on 32bit systems for times > 2038!)
-			$event['start'] = (int)$event['start'];	// this is for isWholeDay(), which also calls Api\DateTime
+			$event['start'] = (int)$event['start']; // this is for isWholeDay(), which also calls Api\DateTime
 			$event['end'] = (int)$event['end'];
 			$event['whole_day'] = self::isWholeDay($event);
 			if ($event['whole_day'] && $date_format != 'server')
 			{
 				// Adjust dates to user TZ
-				$stime =& $this->so->startOfDay(new Api\DateTime((int)$event['start'], Api\DateTime::$server_timezone), $event['tzid']);
+				$stime = & $this->so->startOfDay(new Api\DateTime((int)$event['start'], Api\DateTime::$server_timezone), $event['tzid']);
 				$event['start'] = Api\DateTime::to($stime, $date_format);
-				$time =& $this->so->startOfDay(new Api\DateTime((int)$event['end'], Api\DateTime::$server_timezone), $event['tzid']);
+				$time = & $this->so->startOfDay(new Api\DateTime((int)$event['end'], Api\DateTime::$server_timezone), $event['tzid']);
 				$time->setTime(23, 59, 59);
 				$event['end'] = Api\DateTime::to($time, $date_format);
 				if (!empty($event['recurrence']))
 				{
-					$time =& $this->so->startOfDay(new Api\DateTime((int)$event['recurrence'], Api\DateTime::$server_timezone), $event['tzid']);
+					$time = & $this->so->startOfDay(new Api\DateTime((int)$event['recurrence'], Api\DateTime::$server_timezone), $event['tzid']);
 					$event['recurrence'] = Api\DateTime::to($time, $date_format);
 				}
 				if (!empty($event['recur_enddate']))
 				{
-					$time =& $this->so->startOfDay(new Api\DateTime((int)$event['recur_enddate'], Api\DateTime::$server_timezone), $event['tzid']);
+					$time = & $this->so->startOfDay(new Api\DateTime((int)$event['recur_enddate'], Api\DateTime::$server_timezone), $event['tzid']);
 					$time->setTime(23, 59, 59);
 					$event['recur_enddate'] = Api\DateTime::to($time, $date_format);
 				}
-				$timestamps = array('modified','created');
+				$timestamps = array('modified', 'created');
 			}
 			else
 			{
-				$timestamps = array('start','end','modified','created','recur_enddate','recurrence','recur_date');
+				$timestamps = array('start', 'end', 'modified', 'created', 'recur_enddate', 'recurrence', 'recur_date');
 			}
 			// we convert here from the server-time timestamps to user-time and (optional) to a different date-format!
 			foreach ($timestamps as $ts)
 			{
 				if (!empty($event[$ts]))
 				{
-					$event[$ts] = $this->date2usertime((int)$event[$ts],$date_format);
+					$event[$ts] = $this->date2usertime((int)$event[$ts], $date_format);
 				}
 			}
 			// same with the recur exceptions
 			if (isset($event['recur_exception']) && is_array($event['recur_exception']))
 			{
-				foreach($event['recur_exception'] as &$date)
+				foreach ($event['recur_exception'] as &$date)
 				{
 					if ($event['whole_day'] && $date_format != 'server')
 					{
 						// Adjust dates to user TZ
-						$time =& $this->so->startOfDay(new Api\DateTime((int)$date, Api\DateTime::$server_timezone), $event['tzid']);
+						$time = & $this->so->startOfDay(new Api\DateTime((int)$date, Api\DateTime::$server_timezone), $event['tzid']);
 						$date = Api\DateTime::to($time, $date_format);
 					}
 					else
 					{
-						$date = $this->date2usertime((int)$date,$date_format);
+						$date = $this->date2usertime((int)$date, $date_format);
 					}
 				}
 			}
 			// same with the alarms
 			if (isset($event['alarm']) && is_array($event['alarm']))
 			{
-				foreach($event['alarm'] as &$alarm)
+				foreach ($event['alarm'] as &$alarm)
 				{
-					$alarm['time'] = $this->date2usertime((int)$alarm['time'],$date_format);
+					$alarm['time'] = $this->date2usertime((int)$alarm['time'], $date_format);
 				}
 			}
 		}
@@ -900,11 +900,11 @@ 
 	 * @param string $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in server-time, 'array'=array or string with date-format
 	 * @return mixed depending of $date_format
 	 */
-	function date2usertime($ts,$date_format='ts')
+	function date2usertime($ts, $date_format = 'ts')
 	{
 		if (empty($ts) || $date_format == 'server') return $ts;
 
-		return Api\DateTime::server2user($ts,$date_format);
+		return Api\DateTime::server2user($ts, $date_format);
 	}
 
 	/**
@@ -918,7 +918,7 @@ 
 	 * 	but call clear_private_infos() with the given users
 	 * @return boolean|array event or array of id => event pairs, false if the acl-check went wrong, null if $ids not found
 	 */
-	function read($ids,$date=null,$ignore_acl=False,$date_format='ts',$clear_private_infos_users=null)
+	function read($ids, $date = null, $ignore_acl = False, $date_format = 'ts', $clear_private_infos_users = null)
 	{
 		if (!$ids) return false;
 
@@ -927,21 +927,21 @@ 
 		$return = null;
 
 		$check = $clear_private_infos_users ? self::ACL_FREEBUSY : Acl::READ;
-		if ($ignore_acl || is_array($ids) || ($return = $this->check_perms($check,$ids,0,$date_format,$date)))
+		if ($ignore_acl || is_array($ids) || ($return = $this->check_perms($check, $ids, 0, $date_format, $date)))
 		{
 			if (is_array($ids) || !isset(self::$cached_event['id']) || self::$cached_event['id'] != $ids ||
 				self::$cached_event_date_format != $date_format ||
 				self::$cached_event['recur_type'] != MCAL_RECUR_NONE && self::$cached_event_date != $date)
 			{
-				$events = $this->so->read($ids,$date ? $this->date2ts($date,true) : 0);
+				$events = $this->so->read($ids, $date ? $this->date2ts($date, true) : 0);
 
 				if ($events)
 				{
-					$this->db2data($events,$date_format);
+					$this->db2data($events, $date_format);
 
 					if (is_array($ids))
 					{
-						$return =& $events;
+						$return = & $events;
 					}
 					else
 					{
@@ -957,13 +957,13 @@ 
 				$return = self::$cached_event;
 			}
 		}
-		if ($clear_private_infos_users && !is_array($ids) && !$this->check_perms(Acl::READ,$return))
+		if ($clear_private_infos_users && !is_array($ids) && !$this->check_perms(Acl::READ, $return))
 		{
 			$this->clear_private_infos($return, (array)$clear_private_infos_users);
 		}
 		if ($this->debug && ($this->debug > 1 || $this->debug == 'read'))
 		{
-			$this->debug_message('calendar_bo::read(%1,%2,%3,%4,%5)=%6',True,$ids,$date,$ignore_acl,$date_format,$clear_private_infos_users,$return);
+			$this->debug_message('calendar_bo::read(%1,%2,%3,%4,%5)=%6', True, $ids, $date, $ignore_acl, $date_format, $clear_private_infos_users, $return);
 		}
 		return $return;
 	}
@@ -981,17 +981,17 @@ 
 	 * @param array $events where the repetions get inserted
 	 * @param array $recur_exceptions with date (in Ymd) as key (and True as values), seems not to be used anymore
 	 */
-	function insert_all_recurrences($event,$_start,$end,&$events)
+	function insert_all_recurrences($event, $_start, $end, &$events)
 	{
-		if ((int) $this->debug >= 3 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences')
+		if ((int)$this->debug >= 3 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences')
 		{
-			$this->debug_message(__METHOD__.'(%1,%2,%3,&$events)',true,$event,$_start,$end);
+			$this->debug_message(__METHOD__.'(%1,%2,%3,&$events)', true, $event, $_start, $end);
 		}
 		$end_in = $end;
 
 		$start = $this->date2ts($_start);
 		$event_start_ts = $this->date2ts($event['start']);
-		$event_length = $this->date2ts($event['end']) - $event_start_ts;	// we use a constant event-length, NOT a constant end-time!
+		$event_length = $this->date2ts($event['end']) - $event_start_ts; // we use a constant event-length, NOT a constant end-time!
 
 		// if $end is before recur_enddate, use it instead
 		if (!$event['recur_enddate'] || $this->date2ts($event['recur_enddate']) > $this->date2ts($end))
@@ -1003,27 +1003,27 @@ 
 		// unset exceptions, as we need to add them as recurrence too, but marked as exception
 		unset($event['recur_exception']);
 		// loop over all recurrences and insert them, if they are after $start
-		$rrule = calendar_rrule::event2rrule($event, true);	// true = we operate in usertime, like the rest of calendar_bo
-		foreach($rrule as $time)
+		$rrule = calendar_rrule::event2rrule($event, true); // true = we operate in usertime, like the rest of calendar_bo
+		foreach ($rrule as $time)
 		{
-			$time->setUser();	// $time is in timezone of event, convert it to usertime used here
-			if (($ts = $this->date2ts($time)) < $start-$event_length)
+			$time->setUser(); // $time is in timezone of event, convert it to usertime used here
+			if (($ts = $this->date2ts($time)) < $start - $event_length)
 			{
 				//echo "<p>".$time." --> ignored as $ts < $start-$event_length</p>\n";
-				continue;	// to early or original event (returned by interator too)
+				continue; // to early or original event (returned by interator too)
 			}
 
 			$ts_end = $ts + $event_length;
 			// adjust ts_end for whole day events in case it does not fit due to
 			// spans over summer/wintertime adjusted days
-			if($event['whole_day'] && ($arr_end = $this->date2array($ts_end)) &&
+			if ($event['whole_day'] && ($arr_end = $this->date2array($ts_end)) &&
 				!($arr_end['hour'] == 23 && $arr_end['minute'] == 59 && $arr_end['second'] == 59))
 			{
 				$arr_end['hour'] = 23;
 				$arr_end['minute'] = 59;
 				$arr_end['second'] = 59;
 				$ts_end_guess = $this->date2ts($arr_end);
-				if($ts_end_guess - $ts_end > DAY_s/2)
+				if ($ts_end_guess - $ts_end > DAY_s / 2)
 				{
 					$ts_end = $ts_end_guess - DAY_s; // $ts_end_guess was one day too far in the future
 				}
@@ -1037,11 +1037,11 @@ 
 			$event['end'] = $ts_end;
 			$events[] = $event;
 		}
-		if ($this->debug && ((int) $this->debug > 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences'))
+		if ($this->debug && ((int)$this->debug > 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences'))
 		{
 			$event['start'] = $event_start_ts;
 			$event['end'] = $event_start_ts + $event_length;
-			$this->debug_message(__METHOD__.'(%1,start=%2,end=%3,events) events=%5',True,$event,$_start,$end_in,$events);
+			$this->debug_message(__METHOD__.'(%1,start=%2,end=%3,events) events=%5', True, $event, $_start, $end_in, $events);
 		}
 	}
 
@@ -1052,18 +1052,18 @@ 
 	 * @param array $event event to insert, it has start- and end-date of the first recurrence, not of $date_ymd
 	 * @param int|string $date_ymd of the date of the event
 	 */
-	function add_adjusted_event(&$events,$event,$date_ymd)
+	function add_adjusted_event(&$events, $event, $date_ymd)
 	{
 		$event_in = $event;
 		// calculate the new start- and end-time
 		$length_s = $this->date2ts($event['end']) - $this->date2ts($event['start']);
 		$event_start_arr = $this->date2array($event['start']);
 
-		$date_arr = $this->date2array((string) $date_ymd);
+		$date_arr = $this->date2array((string)$date_ymd);
 		$date_arr['hour'] = $event_start_arr['hour'];
 		$date_arr['minute'] = $event_start_arr['minute'];
 		$date_arr['second'] = $event_start_arr['second'];
-		unset($date_arr['raw']);	// else date2ts would use it
+		unset($date_arr['raw']); // else date2ts would use it
 		$event['start'] = $this->date2ts($date_arr);
 		$event['end'] = $event['start'] + $length_s;
 
@@ -1071,7 +1071,7 @@ 
 
 		if ($this->debug && ($this->debug > 2 || $this->debug == 'add_adjust_event'))
 		{
-			$this->debug_message('calendar_bo::add_adjust_event(,%1,%2) as %3',True,$event_in,$date_ymd,$event);
+			$this->debug_message('calendar_bo::add_adjust_event(,%1,%2) as %3', True, $event_in, $date_ymd, $event);
 		}
 	}
 
@@ -1095,22 +1095,22 @@ 
 			{
 				$info = array(
 					'res_id'    => $uid,
-					'email' => $GLOBALS['egw']->accounts->id2name($uid,'account_email'),
-					'name'  => trim($GLOBALS['egw']->accounts->id2name($uid,'account_firstname'). ' ' .
-					$GLOBALS['egw']->accounts->id2name($uid,'account_lastname')),
+					'email' => $GLOBALS['egw']->accounts->id2name($uid, 'account_email'),
+					'name'  => trim($GLOBALS['egw']->accounts->id2name($uid, 'account_firstname').' '.
+					$GLOBALS['egw']->accounts->id2name($uid, 'account_lastname')),
 					'type'  => $GLOBALS['egw']->accounts->get_type($uid),
 					'app'   => 'accounts',
 				);
 			}
 			else
 			{
-				list($info) = $this->resources[$uid[0]]['info'] ? ExecMethod($this->resources[$uid[0]]['info'],substr($uid,1)) : false;
+				list($info) = $this->resources[$uid[0]]['info'] ? ExecMethod($this->resources[$uid[0]]['info'], substr($uid, 1)) : false;
 				if ($info)
 				{
 					$info['type'] = $uid[0];
 					if (!$info['email'] && $info['responsible'])
 					{
-						$info['email'] = $GLOBALS['egw']->accounts->id2name($info['responsible'],'account_email');
+						$info['email'] = $GLOBALS['egw']->accounts->id2name($info['responsible'], 'account_email');
 					}
 					$info['app'] = $this->resources[$uid[0]]['app'];
 				}
@@ -1119,7 +1119,7 @@ 
 		}
 		if ($this->debug && ($this->debug > 2 || $this->debug == 'resource_info'))
 		{
-			$this->debug_message('calendar_bo::resource_info(%1) = %2',True,$uid,$res_info_cache[$uid]);
+			$this->debug_message('calendar_bo::resource_info(%1) = %2', True, $uid, $res_info_cache[$uid]);
 		}
 		return $res_info_cache[$uid];
 	}
@@ -1140,7 +1140,7 @@ 
 	 * @param int $user =null for which user to check, default current user
 	 * @return boolean true permission granted, false for permission denied or null if event not found
 	 */
-	function check_perms($needed,$event=0,$other=0,$date_format='ts',$date_to_read=null,$user=null)
+	function check_perms($needed, $event = 0, $other = 0, $date_format = 'ts', $date_to_read = null, $user = null)
 	{
 		if (!$user) $user = $this->user;
 		if ($user == $this->user)
@@ -1149,13 +1149,13 @@ 
 		}
 		else
 		{
-			$grants = $GLOBALS['egw']->acl->get_grants('calendar',true,$user);
+			$grants = $GLOBALS['egw']->acl->get_grants('calendar', true, $user);
 		}
 
 		if ($other && !is_numeric($other))
 		{
 			$resource = $this->resource_info($other);
-			return $needed & $resource['rights'];
+			return $needed&$resource['rights'];
 		}
 		if (is_int($event) && $event == 0)
 		{
@@ -1165,15 +1165,15 @@ 
 		{
 			if (!is_array($event))
 			{
-				$event = $this->read($event,$date_to_read,true,$date_format);	// = no ACL check !!!
+				$event = $this->read($event, $date_to_read, true, $date_format); // = no ACL check !!!
 			}
 			if (!is_array($event))
 			{
 				if ($this->xmlrpc)
 				{
-					$GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['not_exist'],$GLOBALS['xmlrpcstr']['not_exist']);
+					$GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['not_exist'], $GLOBALS['xmlrpcstr']['not_exist']);
 				}
-				return null;	// event not found
+				return null; // event not found
 			}
 			$owner = $event['owner'];
 			$private = !$event['public'];
@@ -1181,7 +1181,7 @@ 
 		$grant = $grants[$owner];
 
 		// now any ACL rights (but invite rights!) implicate FREEBUSY rights (at least READ has to include FREEBUSY)
-		if ($grant & ~self::ACL_INVITE) $grant |= self::ACL_FREEBUSY;
+		if ($grant&~self::ACL_INVITE) $grant |= self::ACL_FREEBUSY;
 
 		if (is_array($event) && ($needed == Acl::READ || $needed == self::ACL_FREEBUSY))
 		{
@@ -1190,15 +1190,15 @@ 
 			//
 			if ($event['participants'] && is_array($event['participants']))
 			{
-				foreach(array_keys($event['participants']) as $uid)
+				foreach (array_keys($event['participants']) as $uid)
 				{
-					if ($uid == $user || $uid < 0 && in_array($user, (array)$GLOBALS['egw']->accounts->members($uid,true)))
+					if ($uid == $user || $uid < 0 && in_array($user, (array)$GLOBALS['egw']->accounts->members($uid, true)))
 					{
 						// if we are a participant, we have an implicite FREEBUSY, READ and PRIVAT grant
-						$grant |= self::ACL_FREEBUSY | Acl::READ | Acl::PRIVAT;
+						$grant |= self::ACL_FREEBUSY|Acl::READ|Acl::PRIVAT;
 						break;
 					}
-					elseif ($grants[$uid] & Acl::READ)
+					elseif ($grants[$uid]&Acl::READ)
 					{
 						// if we have a READ grant from a participant, we dont give an implicit privat grant too
 						$grant |= Acl::READ;
@@ -1217,12 +1217,12 @@ 
 		}
 		if ($GLOBALS['egw']->accounts->get_type($owner) == 'g' && $needed == Acl::ADD)
 		{
-			$access = False;	// a group can't be the owner of an event
+			$access = False; // a group can't be the owner of an event
 		}
 		else
 		{
-			$access = $user == $owner || $grant & $needed
-				&& ($needed == self::ACL_FREEBUSY || !$private || $grant & Acl::PRIVAT);
+			$access = $user == $owner || $grant&$needed
+				&& ($needed == self::ACL_FREEBUSY || !$private || $grant&Acl::PRIVAT);
 		}
 		// do NOT allow users to purge deleted events, if we dont have 'userpurge' enabled
 		if ($access && $needed == Acl::DELETE && $event['deleted'] &&
@@ -1233,7 +1233,7 @@ 
 		}
 		if ($this->debug && ($this->debug > 2 || $this->debug == 'check_perms'))
 		{
-			$this->debug_message('calendar_bo::check_perms(%1,%2,other=%3,%4,%5,user=%6)=%7',True,ACL_TYPE_IDENTIFER.$needed,$event,$other,$date_format,$date_to_read,$user,$access);
+			$this->debug_message('calendar_bo::check_perms(%1,%2,other=%3,%4,%5,user=%6)=%7', True, ACL_TYPE_IDENTIFER.$needed, $event, $other, $date_format, $date_to_read, $user, $access);
 		}
 		//error_log(__METHOD__."($needed,".array2string($event).",$other,...,$user) returning ".array2string($access));
 		return $access;
@@ -1248,9 +1248,9 @@ 
 	 *	array with keys 'second', 'minute', 'hour', 'day' or 'mday' (depricated !), 'month' and 'year'
 	 * @param boolean $user2server =False conversion between user- and server-time; default False == Off
 	 */
-	static function date2ts($date,$user2server=False)
+	static function date2ts($date, $user2server = False)
 	{
-		return $user2server ? Api\DateTime::user2server($date,'ts') : Api\DateTime::to($date,'ts');
+		return $user2server ? Api\DateTime::user2server($date, 'ts') : Api\DateTime::to($date, 'ts');
 	}
 
 	/**
@@ -1260,9 +1260,9 @@ 
 	 * @param boolean $server2user conversation between user- and server-time default False == Off
 	 * @return array with keys 'second', 'minute', 'hour', 'day', 'month', 'year', 'raw' (timestamp) and 'full' (Ymd-string)
 	 */
-	static function date2array($date,$server2user=False)
+	static function date2array($date, $server2user = False)
 	{
-		return $server2user ? Api\DateTime::server2user($date,'array') : Api\DateTime::to($date,'array');
+		return $server2user ? Api\DateTime::server2user($date, 'array') : Api\DateTime::to($date, 'array');
 	}
 
 	/**
@@ -1273,9 +1273,9 @@ 
 	 * @param string $format ='Ymd' format of the date to return, eg. 'Y-m-d\TH:i:sO' (2005-11-01T15:30:00+0100)
 	 * @return string date formatted according to $format
 	 */
-	static function date2string($date,$server2user=False,$format='Ymd')
+	static function date2string($date, $server2user = False, $format = 'Ymd')
 	{
-		return $server2user ? Api\DateTime::server2user($date,$format) : Api\DateTime::to($date,$format);
+		return $server2user ? Api\DateTime::server2user($date, $format) : Api\DateTime::to($date, $format);
 	}
 
 	/**
@@ -1285,9 +1285,9 @@ 
 	 * @param string|boolean $format ='' default common_prefs[dateformat], common_prefs[timeformat], false=time only, true=date only
 	 * @return string the formated date (incl. time)
 	 */
-	static function format_date($date,$format='')
+	static function format_date($date, $format = '')
 	{
-		return Api\DateTime::to($date,$format);
+		return Api\DateTime::to($date, $format);
 	}
 
 	/**
@@ -1309,7 +1309,7 @@ 
 	 * @param mixed $param a variable number of parameters, to be inserted in $msg
 	 *	arrays get serialized with print_r() !
 	 */
-	static function debug_message($msg,$backtrace=True)
+	static function debug_message($msg, $backtrace = True)
 	{
 		static $acl2string = array(
 			0               => 'ACL-UNKNOWN',
@@ -1320,22 +1320,22 @@ 
 			Acl::PRIVAT => 'ACL_PRIVATE',
 			self::ACL_FREEBUSY => 'ACL_FREEBUSY',
 		);
-		for($i = 2; $i < func_num_args(); ++$i)
+		for ($i = 2; $i < func_num_args(); ++$i)
 		{
 			$param = func_get_arg($i);
 
 			if (is_null($param))
 			{
-				$param='NULL';
+				$param = 'NULL';
 			}
 			else
 			{
-				switch(gettype($param))
+				switch (gettype($param))
 				{
 					case 'string':
-						if (substr($param,0,strlen(ACL_TYPE_IDENTIFER))== ACL_TYPE_IDENTIFER)
+						if (substr($param, 0, strlen(ACL_TYPE_IDENTIFER)) == ACL_TYPE_IDENTIFER)
 						{
-							$param = (int) substr($param,strlen(ACL_TYPE_IDENTIFER));
+							$param = (int)substr($param, strlen(ACL_TYPE_IDENTIFER));
 							$param = (isset($acl2string[$param]) ? $acl2string[$param] : $acl2string[0])." ($param)";
 						}
 						else
@@ -1357,11 +1357,11 @@ 
 						$param = $param ? 'True' : 'False';
 						break;
 					case 'integer':
-						if ($param >= mktime(0,0,0,1,1,2000)) $param = adodb_date('Y-m-d H:i:s',$param)." ($param)";
+						if ($param >= mktime(0, 0, 0, 1, 1, 2000)) $param = adodb_date('Y-m-d H:i:s', $param)." ($param)";
 						break;
 				}
 			}
-			$msg = str_replace('%'.($i-1),$param,$msg);
+			$msg = str_replace('%'.($i - 1), $param, $msg);
 		}
 		if ($backtrace) error_log(function_backtrace(1));
 	}
@@ -1375,7 +1375,7 @@ 
 	 * @param boolean $display_day =false should a day-name prefix the date, eg. monday June 20, 2006
 	 * @return string with formated date
 	 */
-	function long_date($_first,$last=0,$display_time=false,$display_day=false)
+	function long_date($_first, $last = 0, $display_time = false, $display_day = false)
 	{
 		$first = $this->date2array($_first);
 		if ($last)
@@ -1390,27 +1390,27 @@ 
 
 		if ($display_day)
 		{
-			$range = lang(adodb_date('l',$first['raw'])).($this->common_prefs['dateformat'][0] != 'd' ? ' ' : ', ');
+			$range = lang(adodb_date('l', $first['raw'])).($this->common_prefs['dateformat'][0] != 'd' ? ' ' : ', ');
 		}
 		for ($i = 0; $i < 5; $i += 2)
 		{
-			switch($datefmt[$i])
+			switch ($datefmt[$i])
 			{
 				case 'd':
-					$range .= $first['day'] . ($datefmt[1] == '.' ? '.' : '');
+					$range .= $first['day'].($datefmt[1] == '.' ? '.' : '');
 					if ($first['month'] != $last['month'] || $first['year'] != $last['year'])
 					{
 						if (!$month_before_day)
 						{
-							$range .= ' '.lang(strftime('%B',$first['raw']));
+							$range .= ' '.lang(strftime('%B', $first['raw']));
 						}
 						if ($first['year'] != $last['year'] && $datefmt[0] != 'Y')
 						{
-							$range .= ($datefmt[0] != 'd' ? ', ' : ' ') . $first['year'];
+							$range .= ($datefmt[0] != 'd' ? ', ' : ' ').$first['year'];
 						}
 						if ($display_time)
 						{
-							$range .= ' '.adodb_date($timefmt,$first['raw']);
+							$range .= ' '.adodb_date($timefmt, $first['raw']);
 						}
 						if (!$last)
 						{
@@ -1420,43 +1420,43 @@ 
 
 						if ($first['year'] != $last['year'] && $datefmt[0] == 'Y')
 						{
-							$range .= $last['year'] . ', ';
+							$range .= $last['year'].', ';
 						}
 
 						if ($month_before_day)
 						{
-							$range .= lang(strftime('%B',$last['raw']));
+							$range .= lang(strftime('%B', $last['raw']));
 						}
 					}
 					else
 					{
 						if ($display_time)
 						{
-							$range .= ' '.adodb_date($timefmt,$first['raw']);
+							$range .= ' '.adodb_date($timefmt, $first['raw']);
 						}
 						$range .= ' - ';
 					}
-					$range .= ' ' . $last['day'] . ($datefmt[1] == '.' ? '.' : '');
+					$range .= ' '.$last['day'].($datefmt[1] == '.' ? '.' : '');
 					break;
 				case 'm':
 				case 'M':
-					$range .= ' '.lang(strftime('%B',$month_before_day ? $first['raw'] : $last['raw'])) . ' ';
+					$range .= ' '.lang(strftime('%B', $month_before_day ? $first['raw'] : $last['raw'])).' ';
 					break;
 				case 'Y':
 					if ($datefmt[0] != 'm')
 					{
-						$range .= ' ' . ($datefmt[0] == 'Y' ? $first['year'].($datefmt[2] == 'd' ? ', ' : ' ') : $last['year'].' ');
+						$range .= ' '.($datefmt[0] == 'Y' ? $first['year'].($datefmt[2] == 'd' ? ', ' : ' ') : $last['year'].' ');
 					}
 					break;
 			}
 		}
 		if ($display_time && $last)
 		{
-			$range .= ' '.adodb_date($timefmt,$last['raw']);
+			$range .= ' '.adodb_date($timefmt, $last['raw']);
 		}
 		if ($datefmt[4] == 'Y' && $datefmt[0] == 'm')
 		{
-			$range .= ', ' . $last['year'];
+			$range .= ', '.$last['year'];
 		}
 		return $range;
 	}
@@ -1468,25 +1468,25 @@ 
 	 * @param int $end_m end time in minutes since 0h
 	 * @param boolean $both =false display the end-time too, duration is always displayed
 	 */
-	function timespan($start_m,$end_m,$both=false)
+	function timespan($start_m, $end_m, $both = false)
 	{
 		$duration = $end_m - $start_m;
-		if ($end_m == 24*60-1) ++$duration;
-		$duration = floor($duration/60).lang('h').($duration%60 ? $duration%60 : '');
+		if ($end_m == 24 * 60 - 1) ++$duration;
+		$duration = floor($duration / 60).lang('h').($duration % 60 ? $duration % 60 : '');
 
-		$timespan = $t = Api\DateTime::to('20000101T'.sprintf('%02d',$start_m/60).sprintf('%02d',$start_m%60).'00', false);
+		$timespan = $t = Api\DateTime::to('20000101T'.sprintf('%02d', $start_m / 60).sprintf('%02d', $start_m % 60).'00', false);
 
 		if ($both)	// end-time too
 		{
-			$timespan .= ' - '.Api\DateTime::to('20000101T'.sprintf('%02d',$end_m/60).sprintf('%02d',$end_m%60).'00', false);
+			$timespan .= ' - '.Api\DateTime::to('20000101T'.sprintf('%02d', $end_m / 60).sprintf('%02d', $end_m % 60).'00', false);
 			// dont double am/pm if they are the same in both times
-			if ($this->common_prefs['timeformat'] == 12 && substr($timespan,-2) == substr($t,-2))
+			if ($this->common_prefs['timeformat'] == 12 && substr($timespan, -2) == substr($t, -2))
 			{
-				$timespan = str_replace($t,substr($t,0,-3),$timespan);
+				$timespan = str_replace($t, substr($t, 0, -3), $timespan);
 			}
 			$timespan .= ':';
 		}
-		return $timespan . ' ' . $duration;
+		return $timespan.' '.$duration;
 	}
 
 	/**
@@ -1497,7 +1497,7 @@ 
 	* @param boolean $append_email =false append email (Name <email>)
 	* @return string with name
 	*/
-	function participant_name($id,$use_type=false, $append_email=false)
+	function participant_name($id, $use_type = false, $append_email = false)
 	{
 		static $id2lid = array();
 		static $id2email = array();
@@ -1518,7 +1518,7 @@ 
 			else
 			{
 				$id2lid[$id] = Api\Accounts::username($id);
-				$id2email[$id] = $GLOBALS['egw']->accounts->id2name($id,'account_email');
+				$id2email[$id] = $GLOBALS['egw']->accounts->id2name($id, 'account_email');
 			}
 		}
 		return $id2lid[$id].(($append_email || $id[0] == 'e') && $id2email[$id] ? ' <'.$id2email[$id].'>' : '');
@@ -1532,37 +1532,37 @@ 
 	* @param boolean $show_group_invitation =false show group-invitations (status == 'G') or not (default)
 	* @return array with id / names with status pairs
 	*/
-	function participants($event,$long_status=false,$show_group_invitation=false)
+	function participants($event, $long_status = false, $show_group_invitation = false)
 	{
 		//error_log(__METHOD__.__LINE__.array2string($event['participants']));
 		$names = array();
-		foreach((array)$event['participants'] as $id => $status)
+		foreach ((array)$event['participants'] as $id => $status)
 		{
 			if (!is_string($status)) continue;
 			$quantity = $role = null;
-			calendar_so::split_status($status,$quantity,$role);
+			calendar_so::split_status($status, $quantity, $role);
 
-			if ($status == 'G' && !$show_group_invitation) continue;	// dont show group-invitation
+			if ($status == 'G' && !$show_group_invitation) continue; // dont show group-invitation
 
 			$lang_status = lang($this->verbose_status[$status]);
 			if (!$long_status)
 			{
-				switch($status[0])
+				switch ($status[0])
 				{
 					case 'A':	// accepted
-						$status = Api\Html::image('calendar','accepted',$lang_status);
+						$status = Api\Html::image('calendar', 'accepted', $lang_status);
 						break;
 					case 'R':	// rejected
-						$status = Api\Html::image('calendar','rejected',$lang_status);
+						$status = Api\Html::image('calendar', 'rejected', $lang_status);
 						break;
 					case 'T':	// tentative
-						$status = Api\Html::image('calendar','tentative',$lang_status);
+						$status = Api\Html::image('calendar', 'tentative', $lang_status);
 						break;
 					case 'U':	// no response = unknown
-						$status = Api\Html::image('calendar','needs-action',$lang_status);
+						$status = Api\Html::image('calendar', 'needs-action', $lang_status);
 						break;
 					case 'D':	// delegated
-						$status = Api\Html::image('calendar','forward',$lang_status);
+						$status = Api\Html::image('calendar', 'forward', $lang_status);
 						break;
 					case 'G':	// group invitation
 						// Todo: Image, seems not to be used
@@ -1584,13 +1584,13 @@ 
 					$role = lang($this->roles[$role]);
 				}
 				// allow to use cats as roles (beside regular iCal ones)
-				elseif (substr($role,0,6) == 'X-CAT-' && ($cat_id = (int)substr($role,6)) > 0)
+				elseif (substr($role, 0, 6) == 'X-CAT-' && ($cat_id = (int)substr($role, 6)) > 0)
 				{
 					$role = $GLOBALS['egw']->categories->id2name($cat_id);
 				}
 				else
 				{
-					$role = lang(str_replace('X-','',$role));
+					$role = lang(str_replace('X-', '', $role));
 				}
 				$names[$id] .= ' '.$role;
 			}
@@ -1607,13 +1607,13 @@ 
 	* @param int $color color of the category, if multiple cats, the color of the last one with color is returned
 	* @return array with id / names
 	*/
-	function categories($category,&$color)
+	function categories($category, &$color)
 	{
 		static $id2cat = array();
 		$cats = array();
 		$color = 0;
 
-		foreach(explode(',',$category) as $cat_id)
+		foreach (explode(',', $category) as $cat_id)
 		{
 			if (!$cat_id) continue;
 
@@ -1628,7 +1628,7 @@ 
 			{
 				$color = $cat['data']['color'];
 			}
-			elseif(preg_match('/(#[0-9A-Fa-f]{6})/', $cat['description'], $parts))
+			elseif (preg_match('/(#[0-9A-Fa-f]{6})/', $cat['description'], $parts))
 			{
 				$color = $parts[1];
 			}
@@ -1640,12 +1640,12 @@ 
 	/**
 	 *  This is called only by list_cals().  It was moved here to remove fatal error in php5 beta4
 	 */
-	private static function _list_cals_add($id,&$users,&$groups)
+	private static function _list_cals_add($id, &$users, &$groups)
 	{
 		$name = Api\Accounts::username($id);
 		if (!($egw_name = $GLOBALS['egw']->accounts->id2name($id)))
 		{
-			return;	// do not return no longer existing accounts which eg. still mentioned in acl
+			return; // do not return no longer existing accounts which eg. still mentioned in acl
 		}
 		if (($type = $GLOBALS['egw']->accounts->get_type($id)) == 'g')
 		{
@@ -1657,7 +1657,7 @@ 
 		}
 		$arr[$id] = array(
 			'grantor' => $id,
-			'value'   => ($type == 'g' ? 'g_' : '') . $id,
+			'value'   => ($type == 'g' ? 'g_' : '').$id,
 			'name'    => $name,
 			'sname'	  => $egw_name
 		);
@@ -1679,26 +1679,26 @@ 
 	 * @param int $user account_id of user to generate list for
 	 * @param array $grants =null calendar grants from user, or null to query them from acl class
 	 */
-	public static function list_calendars($user, array $grants=null)
+	public static function list_calendars($user, array $grants = null)
 	{
 		if (is_null($grants)) $grants = $GLOBALS['egw']->acl->get_grants('calendar', true, $user);
 
 		$users = $groups = array();
-		foreach(array_keys($grants) as $id)
+		foreach (array_keys($grants) as $id)
 		{
-			self::_list_cals_add($id,$users,$groups);
+			self::_list_cals_add($id, $users, $groups);
 		}
 		if (($memberships = $GLOBALS['egw']->accounts->memberships($user, true)))
 		{
-			foreach($memberships as $group)
+			foreach ($memberships as $group)
 			{
-				self::_list_cals_add($group,$users,$groups);
+				self::_list_cals_add($group, $users, $groups);
 
-				if (($account_perms = $GLOBALS['egw']->acl->get_ids_for_location($group,Acl::READ,'calendar')))
+				if (($account_perms = $GLOBALS['egw']->acl->get_ids_for_location($group, Acl::READ, 'calendar')))
 				{
-					foreach($account_perms as $id)
+					foreach ($account_perms as $id)
 					{
-						self::_list_cals_add($id,$users,$groups);
+						self::_list_cals_add($id, $users, $groups);
 					}
 				}
 			}
@@ -1706,7 +1706,7 @@ 
 		usort($users, array(__CLASS__, 'name_cmp'));
 		usort($groups, array(__CLASS__, 'name_cmp'));
 
-		return array_merge($users, $groups);	// users first and then groups, both alphabeticaly
+		return array_merge($users, $groups); // users first and then groups, both alphabeticaly
 	}
 
 	/**
@@ -1746,9 +1746,9 @@ 
 	 *	month: numerical month
 	 *	occurence: numerical year or 0 for every year
 	 */
-	function read_holidays($year=0)
+	function read_holidays($year = 0)
 	{
-		if (!$year) $year = (int) date('Y',$this->now_su);
+		if (!$year) $year = (int)date('Y', $this->now_su);
 
 		if (!$this->cached_holidays)	// try reading the holidays from the session
 		{
@@ -1758,8 +1758,7 @@ 
 		{
 			$this->cached_holidays[$year] = calendar_holidays::read(
 				!empty($GLOBALS['egw_info']['server']['ical_holiday_url']) ?
-				$GLOBALS['egw_info']['server']['ical_holiday_url'] :
-				$GLOBALS['egw_info']['user']['preferences']['common']['country'], $year);
+				$GLOBALS['egw_info']['server']['ical_holiday_url'] : $GLOBALS['egw_info']['user']['preferences']['common']['country'], $year);
 
 			// search for birthdays
 			if ($GLOBALS['egw_info']['server']['hide_birthdays'] != 'yes')
@@ -1769,36 +1768,36 @@ 
 					'n_family' => "!''",
 					'bday' => "!''",
 				);
-				$bdays =& $contacts->search('',array('id','n_family','n_given','n_prefix','n_middle','bday'),
-					'contact_bday ASC',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter);
+				$bdays = & $contacts->search('', array('id', 'n_family', 'n_given', 'n_prefix', 'n_middle', 'bday'),
+					'contact_bday ASC', $extra_cols = '', $wildcard = '', $empty = False, $op = 'AND', $start = false, $filter);
 				// search accounts too, if not stored in contacts repository
 				$extra_accounts_search = $contacts->account_repository == 'ldap' && !is_null($contacts->so_accounts) &&
 					!$GLOBALS['egw_info']['user']['preferences']['addressbook']['hide_accounts'];
-				if ($extra_accounts_search && ($bdays2 =& $contacts->search('',array('id','n_family','n_given','n_prefix','n_middle','bday'),
-					'contact_bday ASC',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter+array('owner' => 0))))
+				if ($extra_accounts_search && ($bdays2 = & $contacts->search('', array('id', 'n_family', 'n_given', 'n_prefix', 'n_middle', 'bday'),
+					'contact_bday ASC', $extra_cols = '', $wildcard = '', $empty = False, $op = 'AND', $start = false, $filter + array('owner' => 0))))
 				{
-					$bdays = !$bdays ? $bdays2 : array_merge($bdays,$bdays2);
+					$bdays = !$bdays ? $bdays2 : array_merge($bdays, $bdays2);
 				}
 				if ($bdays)
 				{
 					// sort by month and day only
-					usort($bdays,create_function('$a,$b','return (int) $a[\'bday\'] == (int) $b[\'bday\'] ? strcmp($a[\'bday\'],$b[\'bday\']) : (int) $a[\'bday\'] - (int) $b[\'bday\'];'));
-					foreach($bdays as $pers)
+					usort($bdays, create_function('$a,$b', 'return (int) $a[\'bday\'] == (int) $b[\'bday\'] ? strcmp($a[\'bday\'],$b[\'bday\']) : (int) $a[\'bday\'] - (int) $b[\'bday\'];'));
+					foreach ($bdays as $pers)
 					{
-						if (empty($pers['bday']) || $pers['bday']=='0000-00-00 0' || $pers['bday']=='0000-00-00' || $pers['bday']=='0.0.00')
+						if (empty($pers['bday']) || $pers['bday'] == '0000-00-00 0' || $pers['bday'] == '0000-00-00' || $pers['bday'] == '0.0.00')
 						{
 							//error_log(__METHOD__.__LINE__.' Skipping entry for invalid birthday:'.array2string($pers));
 							continue;
 						}
-						list($y,$m,$d) = explode('-',$pers['bday']);
-						if ($y > $year) continue; 	// not yet born
-						$this->cached_holidays[$year][sprintf('%04d%02d%02d',$year,$m,$d)][] = array(
+						list($y, $m, $d) = explode('-', $pers['bday']);
+						if ($y > $year) continue; // not yet born
+						$this->cached_holidays[$year][sprintf('%04d%02d%02d', $year, $m, $d)][] = array(
 							'day'       => $d,
 							'month'     => $m,
 							'occurence' => 0,
 							'name'      => lang('Birthday').' '.($pers['n_given'] ? $pers['n_given'] : $pers['n_prefix']).' '.$pers['n_middle'].' '.
 								$pers['n_family'].($y && !$GLOBALS['egw_info']['server']['hide_birthdays'] ? ' ('.$y.')' : ''),
-							'birthyear' => $y,	// this can be used to identify birthdays from holidays
+							'birthyear' => $y, // this can be used to identify birthdays from holidays
 						);
 					}
 				}
@@ -1806,9 +1805,9 @@ 
 			// store holidays and birthdays in the session
 			Api\Cache::setSession('calendar', 'holidays', $this->cached_holidays);
 		}
-		if ((int) $this->debug >= 2 || $this->debug == 'read_holidays')
+		if ((int)$this->debug >= 2 || $this->debug == 'read_holidays')
 		{
-			$this->debug_message('calendar_bo::read_holidays(%1)=%2',true,$year,$this->cached_holidays[$year]);
+			$this->debug_message('calendar_bo::read_holidays(%1)=%2', true, $year, $this->cached_holidays[$year]);
 		}
 		return $this->cached_holidays[$year];
 	}
@@ -1819,10 +1818,10 @@ 
 	 * @param type $event
 	 * @return array array of selected calendar fields
 	 */
-	public static function get_link_options ($event = array())
+	public static function get_link_options($event = array())
 	{
-		unset($event);	// not used, but required by function signature
-		$options = array (
+		unset($event); // not used, but required by function signature
+		$options = array(
 			'end' => lang('End date'),
 			'id' => lang('ID'),
 			'owner' => lang('Event owner'),
@@ -1849,7 +1848,7 @@ 
 			list($id, $recur) = explode('-', $event, 2);
 			$event = $this->read($id, $recur);
 		}
-		else if (!is_array($event) && (int) $event > 0)
+		else if (!is_array($event) && (int)$event > 0)
 		{
 			$event = $this->read($event);
 		}
@@ -1857,7 +1856,7 @@ 
 		{
 			return $event;
 		}
-		$type = explode(',',$this->cal_prefs['link_title']);
+		$type = explode(',', $this->cal_prefs['link_title']);
 		if (is_array($type))
 		{
 			foreach ($type as &$val)
@@ -1883,10 +1882,10 @@ 
 						$extra_fields [] = $event[$val];
 				}
 			}
-			$str_fields = implode(', ',$extra_fields);
-			if (is_array($extra_fields)) return $this->format_date($event['start']) . ': ' . $event['title'] . ($str_fields? ', ' . $str_fields:'');
+			$str_fields = implode(', ', $extra_fields);
+			if (is_array($extra_fields)) return $this->format_date($event['start']).': '.$event['title'].($str_fields ? ', '.$str_fields : '');
 		}
-		return $this->format_date($event['start']) . ': ' . $event['title'];
+		return $this->format_date($event['start']).': '.$event['title'];
 	}
 
 	/**
@@ -1905,10 +1904,10 @@ 
 			'offset' =>	$options['start'],
 			'order' => 'cal_start DESC',
 		);
-		if($options['num_rows']) {
+		if ($options['num_rows']) {
 			$query['num_rows'] = $options['num_rows'];
 		}
-		foreach((array) $this->search($query) as $event)
+		foreach ((array)$this->search($query) as $event)
 		{
 			$result[$event['id']] = $this->link_title($event);
 		}
@@ -1925,11 +1924,11 @@ 
 	 * @param int $user =null for which user to check, default current user
 	 * @return boolean true if access is granted or false otherwise
 	 */
-	function file_access($id,$check,$rel_path,$user=null)
+	function file_access($id, $check, $rel_path, $user = null)
 	{
-		unset($rel_path);	// not used, but required by function signature
+		unset($rel_path); // not used, but required by function signature
 
-		return $this->check_perms($check,$id,0,'ts',null,$user);
+		return $this->check_perms($check, $id, 0, 'ts', null, $user);
 	}
 
 	/**
@@ -1945,36 +1944,36 @@ 
 		}
 		Api\Cache::setSession('calendar', 'default_prefs_set', 'set');
 
-		$default_prefs =& $GLOBALS['egw']->preferences->default['calendar'];
-		$forced_prefs  =& $GLOBALS['egw']->preferences->forced['calendar'];
+		$default_prefs = & $GLOBALS['egw']->preferences->default['calendar'];
+		$forced_prefs  = & $GLOBALS['egw']->preferences->forced['calendar'];
 
-		$subject = lang('Calendar Event') . ' - $$action$$: $$startdate$$ $$title$$'."\n";
+		$subject = lang('Calendar Event').' - $$action$$: $$startdate$$ $$title$$'."\n";
 		$values = array(
-			'notifyAdded'     => $subject . lang ('You have a meeting scheduled for %1','$$startdate$$'),
-			'notifyCanceled'  => $subject . lang ('Your meeting scheduled for %1 has been canceled','$$startdate$$'),
-			'notifyModified'  => $subject . lang ('Your meeting that had been scheduled for %1 has been rescheduled to %2','$$olddate$$','$$startdate$$'),
-			'notifyDisinvited'=> $subject . lang ('You have been disinvited from the meeting at %1','$$startdate$$'),
-			'notifyResponse'  => $subject . lang ('On %1 %2 %3 your meeting request for %4','$$date$$','$$fullname$$','$$action$$','$$startdate$$'),
-			'notifyAlarm'     => lang('Alarm for %1 at %2 in %3','$$title$$','$$startdate$$','$$location$$')."\n".lang ('Here is your requested alarm.'),
+			'notifyAdded'     => $subject.lang('You have a meeting scheduled for %1', '$$startdate$$'),
+			'notifyCanceled'  => $subject.lang('Your meeting scheduled for %1 has been canceled', '$$startdate$$'),
+			'notifyModified'  => $subject.lang('Your meeting that had been scheduled for %1 has been rescheduled to %2', '$$olddate$$', '$$startdate$$'),
+			'notifyDisinvited'=> $subject.lang('You have been disinvited from the meeting at %1', '$$startdate$$'),
+			'notifyResponse'  => $subject.lang('On %1 %2 %3 your meeting request for %4', '$$date$$', '$$fullname$$', '$$action$$', '$$startdate$$'),
+			'notifyAlarm'     => lang('Alarm for %1 at %2 in %3', '$$title$$', '$$startdate$$', '$$location$$')."\n".lang('Here is your requested alarm.'),
 			'interval'        => 30,
 		);
-		foreach($values as $var => $default)
+		foreach ($values as $var => $default)
 		{
-			$type = substr($var,0,6) == 'notify' ? 'forced' : 'default';
+			$type = substr($var, 0, 6) == 'notify' ? 'forced' : 'default';
 
 			// only set, if neither default nor forced pref exists
 			if ((!isset($default_prefs[$var]) || (string)$default_prefs[$var] === '') && (!isset($forced_prefs[$var]) || (string)$forced_prefs[$var] === ''))
 			{
-				$GLOBALS['egw']->preferences->add('calendar',$var,$default,'default');	// always store default, even if we have a forced too
-				if ($type == 'forced') $GLOBALS['egw']->preferences->add('calendar',$var,$default,'forced');
+				$GLOBALS['egw']->preferences->add('calendar', $var, $default, 'default'); // always store default, even if we have a forced too
+				if ($type == 'forced') $GLOBALS['egw']->preferences->add('calendar', $var, $default, 'forced');
 				$this->cal_prefs[$var] = $default;
 				$need_save = True;
 			}
 		}
 		if ($need_save)
 		{
-			$GLOBALS['egw']->preferences->save_repository(False,'default');
-			$GLOBALS['egw']->preferences->save_repository(False,'forced');
+			$GLOBALS['egw']->preferences->save_repository(False, 'default');
+			$GLOBALS['egw']->preferences->save_repository(False, 'forced');
 		}
 	}
 
@@ -1984,7 +1983,7 @@ 
 	 * @param int|string $user account_id or account_lid
 	 * @param string $pw =null password
 	 */
-	static function freebusy_url($user='',$pw=null)
+	static function freebusy_url($user = '', $pw = null)
 	{
 		if (is_numeric($user)) $user = $GLOBALS['egw']->accounts->id2name($user);
 
@@ -1997,8 +1996,8 @@ 
 		elseif ($GLOBALS['egw_info']['user']['preferences']['calendar']['freebusy'] == 2)
 		{
 			$credentials = $GLOBALS['egw_info']['user']['account_lid']
-				. ':' . $GLOBALS['egw_info']['user']['passwd'];
-			$credentials = '&cred=' . base64_encode($credentials);
+				. ':'.$GLOBALS['egw_info']['user']['passwd'];
+			$credentials = '&cred='.base64_encode($credentials);
 		}
 		return (!$GLOBALS['egw_info']['server']['webserver_url'] || $GLOBALS['egw_info']['server']['webserver_url'][0] == '/' ?
 			($_SERVER['HTTPS'] ? 'https://' : 'http://').$_SERVER['HTTP_HOST'] : '').
@@ -2030,11 +2029,11 @@ 
 	 * @param string &$schedule_tag=null on return schedule-tag (egw_cal.cal_id:egw_cal.cal_etag, no participant modifications!)
 	 * @return string|boolean string with etag or false
 	 */
-	function get_etag($entry, &$schedule_tag=null)
+	function get_etag($entry, &$schedule_tag = null)
 	{
 		if (!is_array($entry))
 		{
-			list($id,$recur_date) = explode(':',$entry);
+			list($id, $recur_date) = explode(':', $entry);
 			$entry = $this->read($id, $recur_date, true, 'server');
 		}
 		$etag = $schedule_tag = $entry['id'].':'.$entry['etag'];
@@ -2052,15 +2051,15 @@ 
 	 * @param boolean $master_only =false only check recurance master (egw_cal_user.recur_date=0)
 	 * @return integer
 	 */
-	public function get_ctag($user, $filter='owner', $master_only=false)
+	public function get_ctag($user, $filter = 'owner', $master_only = false)
 	{
 		if ($this->debug > 1) $startime = microtime(true);
 
 		// resolve users to add memberships for users and members for groups
 		$users = $this->resolve_users($user);
-		$ctag = $users ? $this->so->get_ctag($users, $filter == 'owner', $master_only) : 0;	// no rights, return 0 as ctag (otherwise we get SQL error!)
+		$ctag = $users ? $this->so->get_ctag($users, $filter == 'owner', $master_only) : 0; // no rights, return 0 as ctag (otherwise we get SQL error!)
 
-		if ($this->debug > 1) error_log(__METHOD__. "($user, '$filter', $master_only) = $ctag = ".date('Y-m-d H:i:s',$ctag)." took ".(microtime(true)-$startime)." secs");
+		if ($this->debug > 1) error_log(__METHOD__."($user, '$filter', $master_only) = $ctag = ".date('Y-m-d H:i:s', $ctag)." took ".(microtime(true) - $startime)." secs");
 		return $ctag;
 	}
 
@@ -2080,7 +2079,7 @@ 
 
 		$content = array(
 			'info_cat'       => $GLOBALS['egw']->categories->check_list(Acl::READ, $calendar['category']),
-			'info_priority'  => $calendar['priority'] ,
+			'info_priority'  => $calendar['priority'],
 			'info_public'    => $calendar['public'] != 'private',
 			'info_subject'   => $calendar['title'],
 			'info_des'       => $calendar['description'],
@@ -2095,7 +2094,7 @@ 
 		$content['link_app'][] = $calendar['info_link']['app'];
 		$content['link_id'][]  = $calendar['info_link']['id'];
 		// Copy claendar's links
-		foreach(Link::get_links('calendar',$calendar['id'],'','link_lastmod DESC',true) as $link)
+		foreach (Link::get_links('calendar', $calendar['id'], '', 'link_lastmod DESC', true) as $link)
 		{
 			if ($link['app'] != Link::VFS_APPNAME)
 			{
@@ -2108,7 +2107,7 @@ 
 			}
 		}
 		// Copy same custom fields
-		foreach(array_keys(Api\Storage\Customfields::get('infolog')) as $name)
+		foreach (array_keys(Api\Storage\Customfields::get('infolog')) as $name)
 		{
 			if ($this->customfields[$name]) $content['#'.$name] = $calendar['#'.$name];
 		}
@@ -2126,20 +2125,20 @@ 
 	function timesheet_set($data)
 	{
 		$set = array();
-		list($id,$recurrence) = explode(':',$data['id']);
-		if ((int)$id && ($event = $this->read($id,$recurrence)))
+		list($id, $recurrence) = explode(':', $data['id']);
+		if ((int)$id && ($event = $this->read($id, $recurrence)))
 		{
 			$set['ts_start'] = $event['start'];
 			$set['ts_title'] = $this->link_title($event);
-			$set['start_time'] = Api\DateTime::to($event['start'],'H:i');
+			$set['start_time'] = Api\DateTime::to($event['start'], 'H:i');
 			$set['ts_description'] = $event['description'];
-			if ($this->isWholeDay($event)) $event['end']++;	// whole day events are 1sec short
+			if ($this->isWholeDay($event)) $event['end']++; // whole day events are 1sec short
 			$set['ts_duration']	= ($event['end'] - $event['start']) / 60;
 			$set['ts_quantity'] = ($event['end'] - $event['start']) / 3600;
-			$set['end_time'] = null;	// unset end-time
+			$set['end_time'] = null; // unset end-time
 			$set['cat_id'] = (int)$event['category'];
 
-			foreach(Link::get_links('calendar',$id,'','link_lastmod DESC',true) as $link)
+			foreach (Link::get_links('calendar', $id, '', 'link_lastmod DESC', true) as $link)
 			{
 				if ($link['app'] != 'timesheet' && $link['app'] != Link::VFS_APPNAME)
 				{

Braces +198 added lines, -49 removed lines

@@ -15,10 +15,13 @@ 
 use EGroupware\Api\Link;
 use EGroupware\Api\Acl;
 
-if (!defined('ACL_TYPE_IDENTIFER'))	// used to mark ACL-values for the debug_message methode
+if (!defined('ACL_TYPE_IDENTIFER'))
+{
+	// used to mark ACL-values for the debug_message methode
 {
 	define('ACL_TYPE_IDENTIFER','***ACL***');
 }
+}
 
 define('HOUR_s',60*60);
 define('DAY_s',24*HOUR_s);
@@ -216,7 +219,10 @@ 
 	 */
 	function __construct()
 	{
-		if ($this->debug > 0) $this->debug_message('calendar_bo::bocal() started',True);
+		if ($this->debug > 0)
+		{
+			$this->debug_message('calendar_bo::bocal() started',True);
+		}
 
 		$this->so = new calendar_so();
 
@@ -297,7 +303,10 @@ 
 	 */
 	static function email_info($ids)
 	{
-		if (!$ids) return null;
+		if (!$ids)
+		{
+			return null;
+		}
 
 		$data = array();
 		foreach((array)$ids as $id)
@@ -370,22 +379,31 @@ 
 			$user = trim($user);
 			if ($ignore_acl || $this->check_perms(ACL::READ|self::ACL_READ_FOR_PARTICIPANTS|($use_freebusy?self::ACL_FREEBUSY:0),0,$user))
 			{
-				if ($user && !in_array($user,$users))	// already added?
+				if ($user && !in_array($user,$users))
+				{
+					// already added?
 				{
 					$users[] = $user;
 				}
+				}
 			}
 			elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g')
 			{
 				continue;	// for non-groups (eg. users), we stop here if we have no read-rights
 			}
 			// the further code is only for real users
-			if (!is_numeric($user)) continue;
+			if (!is_numeric($user))
+			{
+				continue;
+			}
 
 			// for groups we have to include the members
 			if ($GLOBALS['egw']->accounts->get_type($user) == 'g')
 			{
-				if ($no_enum_groups) continue;
+				if ($no_enum_groups)
+				{
+					continue;
+				}
 
 				$members = $GLOBALS['egw']->accounts->members($user, true);
 				if (is_array($members))
@@ -465,11 +483,14 @@ 
 		}
 
 		if (!isset($params['users']) || !$params['users'] ||
-			count($params['users']) == 1 && isset($params['users'][0]) && !$params['users'][0])	// null or '' casted to an array
+			count($params['users']) == 1 && isset($params['users'][0]) && !$params['users'][0])
+		{
+			// null or '' casted to an array
 		{
 			// for a search use all account you have read grants from
 			$params['users'] = $params['query'] ? array_keys($this->grants) : $this->user;
 		}
+		}
 		// resolve users to add memberships for users and members for groups
 		// for search, do NOT use freebusy rights, as it would allow to probe the content of event entries
 		$users = $this->resolve_users($params['users'], $params['filter'] == 'no-enum-groups', $params['ignore_acl'], empty($params['query']));
@@ -480,7 +501,10 @@ 
 			$params['private_grants'] = array();
 			foreach($this->grants as $user => $rights)
 			{
-				if ($rights & Acl::PRIVAT) $params['private_grants'][] = $user;
+				if ($rights & Acl::PRIVAT)
+				{
+					$params['private_grants'][] = $user;
+				}
 			}
 		}
 
@@ -495,7 +519,10 @@ 
 		{
 			return false;
 		}
-		if (isset($params['start'])) $start = $this->date2ts($params['start']);
+		if (isset($params['start']))
+		{
+			$start = $this->date2ts($params['start']);
+		}
 
 		if (isset($params['end']))
 		{
@@ -559,10 +586,13 @@ 
 				$this->debug_message('socalendar::search daywise sorting from %1 to %2 of %3',False,$start,$end,$events);
 			}
 			// create empty entries for each day in the reported time
-			for($ts = $start; $ts <= $end; $ts += DAY_s) // good enough for array creation, but see while loop below.
+			for($ts = $start; $ts <= $end; $ts += DAY_s)
+			{
+				// good enough for array creation, but see while loop below.
 			{
 				$daysEvents[$this->date2string($ts)] = array();
 			}
+			}
 			foreach($events as $k => $event)
 			{
 				$e_start = max($this->date2ts($event['start']),$start);
@@ -614,7 +644,10 @@ 
 			$integration_data = calendar_so::get_integration_data();
 		}
 
-		if (!isset($integration_data[$app])) return null;
+		if (!isset($integration_data[$app]))
+		{
+			return null;
+		}
 
 		return $part ? $integration_data[$app][$part] : $integration_data[$app];
 	}
@@ -661,8 +694,14 @@ 
 	 */
 	function clear_private_infos(&$event,$allowed_participants = array())
 	{
-		if ($event == false) return;
-		if (!is_array($event['participants'])) error_log(__METHOD__.'('.array2string($event).', '.array2string($allowed_participants).') NO PARTICIPANTS '.function_backtrace());
+		if ($event == false)
+		{
+			return;
+		}
+		if (!is_array($event['participants']))
+		{
+			error_log(__METHOD__.'('.array2string($event).', '.array2string($allowed_participants).') NO PARTICIPANTS '.function_backtrace());
+		}
 
 		$event = array(
 			'id'    => $event['id'],
@@ -707,19 +746,29 @@ 
 		}
 		$new_horizont = $this->date2ts($_new_horizont,true);	// now we are in server-time, where this function operates
 
-		if ($new_horizont <= $this->config['horizont'])	// no move necessary
+		if ($new_horizont <= $this->config['horizont'])
+		{
+			// no move necessary
 		{
 			if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 is bigger ==> nothing to do',true,$new_horizont,(int)$this->config['horizont']);
+		}
 			return;
 		}
 		if (!empty($GLOBALS['egw_info']['server']['calendar_horizont']))
 		{
 			$maxdays = abs($GLOBALS['egw_info']['server']['calendar_horizont']);
 		}
-		if (empty($maxdays)) $maxdays = 1000; // old default
-		if ($new_horizont > time()+$maxdays*DAY_s)		// some user tries to "look" more then the maximum number of days in the future
+		if (empty($maxdays))
+		{
+			$maxdays = 1000;
+		}
+		// old default
+		if ($new_horizont > time()+$maxdays*DAY_s)
+		{
+			// some user tries to "look" more then the maximum number of days in the future
 		{
 			if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 new horizont more then %3 days from now --> ignoring it',true,$new_horizont,(int)$this->config['horizont'],$maxdays);
+		}
 			$this->warnings['horizont'] = lang('Requested date %1 outside allowed range of %2 days: recurring events obmitted!', Api\DateTime::to($new_horizont,true), $maxdays);
 			return;
 		}
@@ -747,7 +796,10 @@ 
 		// update the horizont
 		Api\Config::save_value('horizont',$this->config['horizont'],'calendar');
 
-		if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) new horizont=%2, exiting',true,$new_horizont,(int)$this->config['horizont']);
+		if ($this->debug == 'check_move_horizont')
+		{
+			$this->debug_message('calendar_bo::check_move_horizont(%1) new horizont=%2, exiting',true,$new_horizont,(int)$this->config['horizont']);
+		}
 	}
 
 	/**
@@ -778,7 +830,10 @@ 
 				$event['end'] = $event_read['end'];
 			}
 		}
-		if (!$start) $start = $event['start'];
+		if (!$start)
+		{
+			$start = $event['start'];
+		}
 
 		$events = array();
 		$this->insert_all_recurrences($event,$start,$this->date2usertime($this->config['horizont']),$events);
@@ -818,7 +873,10 @@ 
 	 */
 	function db2data(&$events,$date_format='ts')
 	{
-		if (!is_array($events)) echo "<p>calendar_bo::db2data(\$events,$date_format) \$events is no array<br />\n".function_backtrace()."</p>\n";
+		if (!is_array($events))
+		{
+			echo "<p>calendar_bo::db2data(\$events,$date_format) \$events is no array<br />\n".function_backtrace()."</p>\n";
+		}
 		foreach ($events as &$event)
 		{
 			// convert timezone id of event to tzid (iCal id like 'Europe/Berlin')
@@ -902,7 +960,10 @@ 
 	 */
 	function date2usertime($ts,$date_format='ts')
 	{
-		if (empty($ts) || $date_format == 'server') return $ts;
+		if (empty($ts) || $date_format == 'server')
+		{
+			return $ts;
+		}
 
 		return Api\DateTime::server2user($ts,$date_format);
 	}
@@ -920,9 +981,15 @@ 
 	 */
 	function read($ids,$date=null,$ignore_acl=False,$date_format='ts',$clear_private_infos_users=null)
 	{
-		if (!$ids) return false;
+		if (!$ids)
+		{
+			return false;
+		}
 
-		if ($date) $date = $this->date2ts($date);
+		if ($date)
+		{
+			$date = $this->date2ts($date);
+		}
 
 		$return = null;
 
@@ -1087,7 +1154,10 @@ 
 	{
 		static $res_info_cache = array();
 
-		if (!is_scalar($uid)) throw new Api\Exception\WrongParameter(__METHOD__.'('.array2string($uid).') parameter must be scalar');
+		if (!is_scalar($uid))
+		{
+			throw new Api\Exception\WrongParameter(__METHOD__.'('.array2string($uid).') parameter must be scalar');
+		}
 
 		if (!isset($res_info_cache[$uid]))
 		{
@@ -1142,7 +1212,10 @@ 
 	 */
 	function check_perms($needed,$event=0,$other=0,$date_format='ts',$date_to_read=null,$user=null)
 	{
-		if (!$user) $user = $this->user;
+		if (!$user)
+		{
+			$user = $this->user;
+		}
 		if ($user == $this->user)
 		{
 			$grants = $this->grants;
@@ -1181,7 +1254,10 @@ 
 		$grant = $grants[$owner];
 
 		// now any ACL rights (but invite rights!) implicate FREEBUSY rights (at least READ has to include FREEBUSY)
-		if ($grant & ~self::ACL_INVITE) $grant |= self::ACL_FREEBUSY;
+		if ($grant & ~self::ACL_INVITE)
+		{
+			$grant |= self::ACL_FREEBUSY;
+		}
 
 		if (is_array($event) && ($needed == Acl::READ || $needed == self::ACL_FREEBUSY))
 		{
@@ -1207,7 +1283,10 @@ 
 					elseif (!is_numeric($uid))
 					{
 						// if the owner only grants self::ACL_FREEBUSY we are not interested in the recources explicit rights
-						if ($grant == self::ACL_FREEBUSY) continue;
+						if ($grant == self::ACL_FREEBUSY)
+						{
+							continue;
+						}
 						// if we have a resource as participant
 						$resource = $this->resource_info($uid);
 						$grant |= $resource['rights'];
@@ -1357,13 +1436,19 @@ 
 						$param = $param ? 'True' : 'False';
 						break;
 					case 'integer':
-						if ($param >= mktime(0,0,0,1,1,2000)) $param = adodb_date('Y-m-d H:i:s',$param)." ($param)";
+						if ($param >= mktime(0,0,0,1,1,2000))
+						{
+							$param = adodb_date('Y-m-d H:i:s',$param)." ($param)";
+						}
 						break;
 				}
 			}
 			$msg = str_replace('%'.($i-1),$param,$msg);
 		}
-		if ($backtrace) error_log(function_backtrace(1));
+		if ($backtrace)
+		{
+			error_log(function_backtrace(1));
+		}
 	}
 
 	/**
@@ -1471,14 +1556,20 @@ 
 	function timespan($start_m,$end_m,$both=false)
 	{
 		$duration = $end_m - $start_m;
-		if ($end_m == 24*60-1) ++$duration;
+		if ($end_m == 24*60-1)
+		{
+			++$duration;
+		}
 		$duration = floor($duration/60).lang('h').($duration%60 ? $duration%60 : '');
 
 		$timespan = $t = Api\DateTime::to('20000101T'.sprintf('%02d',$start_m/60).sprintf('%02d',$start_m%60).'00', false);
 
-		if ($both)	// end-time too
+		if ($both)
+		{
+			// end-time too
 		{
 			$timespan .= ' - '.Api\DateTime::to('20000101T'.sprintf('%02d',$end_m/60).sprintf('%02d',$end_m%60).'00', false);
+		}
 			// dont double am/pm if they are the same in both times
 			if ($this->common_prefs['timeformat'] == 12 && substr($timespan,-2) == substr($t,-2))
 			{
@@ -1502,7 +1593,10 @@ 
 		static $id2lid = array();
 		static $id2email = array();
 
-		if ($use_type && $use_type != 'u') $id = $use_type.$id;
+		if ($use_type && $use_type != 'u')
+		{
+			$id = $use_type.$id;
+		}
 
 		if (!isset($id2lid[$id]))
 		{
@@ -1512,7 +1606,10 @@ 
 				if (($info = $this->resource_info($id)))
 				{
 					$id2lid[$id] = $info['name'] ? $info['name'] : $info['email'];
-					if ($info['name']) $id2email[$id] = $info['email'];
+					if ($info['name'])
+					{
+						$id2email[$id] = $info['email'];
+					}
 				}
 			}
 			else
@@ -1538,11 +1635,18 @@ 
 		$names = array();
 		foreach((array)$event['participants'] as $id => $status)
 		{
-			if (!is_string($status)) continue;
+			if (!is_string($status))
+			{
+				continue;
+			}
 			$quantity = $role = null;
 			calendar_so::split_status($status,$quantity,$role);
 
-			if ($status == 'G' && !$show_group_invitation) continue;	// dont show group-invitation
+			if ($status == 'G' && !$show_group_invitation)
+			{
+				continue;
+			}
+			// dont show group-invitation
 
 			$lang_status = lang($this->verbose_status[$status]);
 			if (!$long_status)
@@ -1615,7 +1719,10 @@ 
 
 		foreach(explode(',',$category) as $cat_id)
 		{
-			if (!$cat_id) continue;
+			if (!$cat_id)
+			{
+				continue;
+			}
 
 			if (!isset($id2cat[$cat_id]))
 			{
@@ -1681,7 +1788,10 @@ 
 	 */
 	public static function list_calendars($user, array $grants=null)
 	{
-		if (is_null($grants)) $grants = $GLOBALS['egw']->acl->get_grants('calendar', true, $user);
+		if (is_null($grants))
+		{
+			$grants = $GLOBALS['egw']->acl->get_grants('calendar', true, $user);
+		}
 
 		$users = $groups = array();
 		foreach(array_keys($grants) as $id)
@@ -1729,7 +1839,10 @@ 
 	 */
 	function recure2string($event)
 	{
-		if (!is_array($event)) return false;
+		if (!is_array($event))
+		{
+			return false;
+		}
 		return (string)calendar_rrule::event2rrule($event);
 	}
 
@@ -1748,12 +1861,18 @@ 
 	 */
 	function read_holidays($year=0)
 	{
-		if (!$year) $year = (int) date('Y',$this->now_su);
+		if (!$year)
+		{
+			$year = (int) date('Y',$this->now_su);
+		}
 
-		if (!$this->cached_holidays)	// try reading the holidays from the session
+		if (!$this->cached_holidays)
+		{
+			// try reading the holidays from the session
 		{
 			$this->cached_holidays = Api\Cache::getSession('calendar', 'holidays');
 		}
+		}
 		if (!isset($this->cached_holidays[$year]))
 		{
 			$this->cached_holidays[$year] = calendar_holidays::read(
@@ -1791,7 +1910,11 @@ 
 							continue;
 						}
 						list($y,$m,$d) = explode('-',$pers['bday']);
-						if ($y > $year) continue; 	// not yet born
+						if ($y > $year)
+						{
+							continue;
+						}
+						// not yet born
 						$this->cached_holidays[$year][sprintf('%04d%02d%02d',$year,$m,$d)][] = array(
 							'day'       => $d,
 							'month'     => $m,
@@ -1884,7 +2007,10 @@ 
 				}
 			}
 			$str_fields = implode(', ',$extra_fields);
-			if (is_array($extra_fields)) return $this->format_date($event['start']) . ': ' . $event['title'] . ($str_fields? ', ' . $str_fields:'');
+			if (is_array($extra_fields))
+			{
+				return $this->format_date($event['start']) . ': ' . $event['title'] . ($str_fields? ', ' . $str_fields:'');
+			}
 		}
 		return $this->format_date($event['start']) . ': ' . $event['title'];
 	}
@@ -1905,7 +2031,8 @@ 
 			'offset' =>	$options['start'],
 			'order' => 'cal_start DESC',
 		);
-		if($options['num_rows']) {
+		if($options['num_rows'])
+		{
 			$query['num_rows'] = $options['num_rows'];
 		}
 		foreach((array) $this->search($query) as $event)
@@ -1966,7 +2093,10 @@ 
 			if ((!isset($default_prefs[$var]) || (string)$default_prefs[$var] === '') && (!isset($forced_prefs[$var]) || (string)$forced_prefs[$var] === ''))
 			{
 				$GLOBALS['egw']->preferences->add('calendar',$var,$default,'default');	// always store default, even if we have a forced too
-				if ($type == 'forced') $GLOBALS['egw']->preferences->add('calendar',$var,$default,'forced');
+				if ($type == 'forced')
+				{
+					$GLOBALS['egw']->preferences->add('calendar',$var,$default,'forced');
+				}
 				$this->cal_prefs[$var] = $default;
 				$need_save = True;
 			}
@@ -1986,7 +2116,10 @@ 
 	 */
 	static function freebusy_url($user='',$pw=null)
 	{
-		if (is_numeric($user)) $user = $GLOBALS['egw']->accounts->id2name($user);
+		if (is_numeric($user))
+		{
+			$user = $GLOBALS['egw']->accounts->id2name($user);
+		}
 
 		$credentials = '';
 
@@ -2054,13 +2187,19 @@ 
 	 */
 	public function get_ctag($user, $filter='owner', $master_only=false)
 	{
-		if ($this->debug > 1) $startime = microtime(true);
+		if ($this->debug > 1)
+		{
+			$startime = microtime(true);
+		}
 
 		// resolve users to add memberships for users and members for groups
 		$users = $this->resolve_users($user);
 		$ctag = $users ? $this->so->get_ctag($users, $filter == 'owner', $master_only) : 0;	// no rights, return 0 as ctag (otherwise we get SQL error!)
 
-		if ($this->debug > 1) error_log(__METHOD__. "($user, '$filter', $master_only) = $ctag = ".date('Y-m-d H:i:s',$ctag)." took ".(microtime(true)-$startime)." secs");
+		if ($this->debug > 1)
+		{
+			error_log(__METHOD__. "($user, '$filter', $master_only) = $ctag = ".date('Y-m-d H:i:s',$ctag)." took ".(microtime(true)-$startime)." secs");
+		}
 		return $ctag;
 	}
 
@@ -2102,15 +2241,21 @@ 
 				$content['link_app'][] = $link['app'];
 				$content['link_id'][]  = $link['id'];
 			}
-			if ($link['app'] == 'addressbook')	// prefering contact as primary contact over calendar entry set above
+			if ($link['app'] == 'addressbook')
+			{
+				// prefering contact as primary contact over calendar entry set above
 			{
 				$content['info_contact'] = 'addressbook:'.$link['id'];
 			}
+			}
 		}
 		// Copy same custom fields
 		foreach(array_keys(Api\Storage\Customfields::get('infolog')) as $name)
 		{
-			if ($this->customfields[$name]) $content['#'.$name] = $calendar['#'.$name];
+			if ($this->customfields[$name])
+			{
+				$content['#'.$name] = $calendar['#'.$name];
+			}
 		}
 		//error_log(__METHOD__.'('.array2string($data).') calendar='.array2string($calendar).' returning '.array2string($content));
 		return $content;
@@ -2133,7 +2278,11 @@ 
 			$set['ts_title'] = $this->link_title($event);
 			$set['start_time'] = Api\DateTime::to($event['start'],'H:i');
 			$set['ts_description'] = $event['description'];
-			if ($this->isWholeDay($event)) $event['end']++;	// whole day events are 1sec short
+			if ($this->isWholeDay($event))
+			{
+				$event['end']++;
+			}
+			// whole day events are 1sec short
 			$set['ts_duration']	= ($event['end'] - $event['start']) / 60;
 			$set['ts_quantity'] = ($event['end'] - $event['start']) / 3600;
 			$set['end_time'] = null;	// unset end-time

Upper-Lower-Casing +2 added lines, -2 removed lines

@@ -122,7 +122,7 @@ 
 	/**
 	 * @var array recur_types translates MCAL recur-types to verbose labels
 	 */
-	var $recur_types = Array(
+	var $recur_types = array(
 		MCAL_RECUR_NONE         => 'No recurrence',
 		MCAL_RECUR_DAILY        => 'Daily',
 		MCAL_RECUR_WEEKLY       => 'Weekly',
@@ -1897,7 +1897,7 @@ 
 	 * @param string $pattern pattern to search
 	 * @return array with cal_id - title pairs of the matching entries
 	 */
-	function link_query($pattern, Array &$options = array())
+	function link_query($pattern, array &$options = array())
 	{
 		$result = array();
 		$query = array(

calendar/inc/class.calendar_boupdate.inc.php

Doc Comments +11 added lines, -6 removed lines

@@ -519,6 +519,7 @@ 
 	 * @param array $new_event Event after the change
 	 * @param string $role we treat CHAIR like event owners
 	 * @param string $status of current user
+	 * @param integer $msg_type
 	 * @return boolean true = update requested, false otherwise
 	 */
 	public static function update_requested($userid, $part_prefs, &$msg_type, $old_event ,$new_event, $role, $status=null)
@@ -594,7 +595,7 @@ 
 	/**
 	 * Check calendar prefs, if a given user (integer account_id) or email (user or externals) should get notified
 	 *
-	 * @param int|string $user_or_email
+	 * @param string $user_or_email
 	 * @param string $ical_method ='REQUEST'
 	 * @param string $role ='REQ-PARTICIPANT'
 	 * @return boolean true if user requested to be notified, false if not
@@ -645,8 +646,7 @@ 
 	 * Get iCal/iMip method from internal nummeric msg-type plus optional notification message and verbose name
 	 *
 	 * @param int $msg_type see MSG_* defines
-	 * @param string& $action=null on return verbose name
-	 * @param string& $msg=null on return notification message
+	 * @param string& $action on return verbose name
 	 */
 	function msg_type2ical_method($msg_type, &$action=null, &$msg=null)
 	{
@@ -1011,6 +1011,9 @@ 
 		return true;
 	}
 
+	/**
+	 * @param integer $added
+	 */
 	function get_update_message($event,$added)
 	{
 		$nul = null;
@@ -1300,8 +1303,8 @@ 
 	 *
 	 * @param int $right self::CAT_ACL_{ADD|STATUS}
 	 * @param int|array $event
-	 * @return boolean true if use has the right, false if not
-	 * @return boolean false=access denied because of cat acl, true access granted because of cat acl,
+	 * @return null|boolean true if use has the right, false if not
+	 * @return null|boolean false=access denied because of cat acl, true access granted because of cat acl,
 	 * 	null = cat has no acl
 	 */
 	function check_cat_acl($right,$event)
@@ -1386,6 +1389,8 @@ 
 	 * Check if current user has a given right on a category (if it's restricted!)
 	 *
 	 * @param int $cat_id
+	 * @param integer $right
+	 * @param integer $user
 	 * @return boolean false=access denied because of cat acl, true access granted because of cat acl,
 	 * 	null = cat has no acl
 	 */
@@ -1647,7 +1652,7 @@ 
 	 * @param string $action
 	 * @param array $event_arr
 	 * @param array $disinvited
-	 * @return array
+	 * @return string
 	 */
 	function _get_event_details($event,$action,&$event_arr,$disinvited=array())
 	{

Indentation +39 added lines, -39 removed lines

@@ -1504,22 +1504,22 @@ 
 		// check the old list against the new list
 		foreach ($old_event['participants'] as $userid => $status)
   		{
-            if (!isset($new_event['participants'][$userid])){
-            	// Attendee will be deleted this way
-            	$new_event['participants'][$userid] = 'G';
-            }
-            elseif ($new_event['participants'][$userid] == $status)
-            {
-            	// Same status -- nothing to do.
-            	unset($new_event['participants'][$userid]);
-            }
+			if (!isset($new_event['participants'][$userid])){
+				// Attendee will be deleted this way
+				$new_event['participants'][$userid] = 'G';
+			}
+			elseif ($new_event['participants'][$userid] == $status)
+			{
+				// Same status -- nothing to do.
+				unset($new_event['participants'][$userid]);
+			}
 		}
 		// write the changes
 		foreach ($new_event['participants'] as $userid => $status)
 		{
 			$this->set_status($old_event, $userid, $status, $recur_date, true, false,$skip_notification);
 		}
-    }
+	}
 
 	/**
 	 * deletes an event
@@ -2493,24 +2493,24 @@ 
 	/**
 	 * classifies an incoming event from the eGW point-of-view
 	 *
-     * exceptions: unlike other calendar apps eGW does not create an event exception
-     * if just the participant state changes - therefore we have to distinguish between
-     * real exceptions and status only exceptions
-     *
-     * @param array $event the event to check
-     *
-     * @return array
-     * 	type =>
-     * 		SINGLE a single event
-     * 		SERIES-MASTER the series master
-     * 		SERIES-EXCEPTION event is a real exception
-	  * 		SERIES-PSEUDO-EXCEPTION event is a status only exception
-	  * 		SERIES-EXCEPTION-PROPAGATE event was a status only exception in the past and is now a real exception
-	  * 	stored_event => if event already exists in the database array with event data or false
-	  * 	master_event => for event type SERIES-EXCEPTION, SERIES-PSEUDO-EXCEPTION or SERIES-EXCEPTION-PROPAGATE
-	  * 		the corresponding series master event array
-	  * 		NOTE: this param is false if event is of type SERIES-MASTER
-     */
+	 * exceptions: unlike other calendar apps eGW does not create an event exception
+	 * if just the participant state changes - therefore we have to distinguish between
+	 * real exceptions and status only exceptions
+	 *
+	 * @param array $event the event to check
+	 *
+	 * @return array
+	 * 	type =>
+	 * 		SINGLE a single event
+	 * 		SERIES-MASTER the series master
+	 * 		SERIES-EXCEPTION event is a real exception
+	 * 		SERIES-PSEUDO-EXCEPTION event is a status only exception
+	 * 		SERIES-EXCEPTION-PROPAGATE event was a status only exception in the past and is now a real exception
+	 * 	stored_event => if event already exists in the database array with event data or false
+	 * 	master_event => for event type SERIES-EXCEPTION, SERIES-PSEUDO-EXCEPTION or SERIES-EXCEPTION-PROPAGATE
+	 * 		the corresponding series master event array
+	 * 		NOTE: this param is false if event is of type SERIES-MASTER
+	 */
 	function get_event_info($event)
 	{
 		$type = 'SINGLE'; // default
@@ -2681,16 +2681,16 @@ 
 			'stored_event' => $stored_event,
 			'master_event' => $master_event,
 		);
-    }
-
-    /**
-     * Translates all timestamps for a given event from server-time to user-time.
-     * The update() and save() methods expect timestamps in user-time.
-     * @param &$event	the event we are working on
-     *
-     */
-    function server2usertime (&$event)
-    {
+	}
+
+	/**
+	 * Translates all timestamps for a given event from server-time to user-time.
+	 * The update() and save() methods expect timestamps in user-time.
+	 * @param &$event	the event we are working on
+	 *
+	 */
+	function server2usertime (&$event)
+	{
 		// we run all dates through date2usertime, to adjust to user-time
 		foreach(array('start','end','recur_enddate','recurrence') as $ts)
 		{
@@ -2713,7 +2713,7 @@ 
 				$event['alarm'][$id]['time'] = $this->date2usertime($alarm['time']);
 			}
 		}
-    }
+	}
 	/**
 	 * Delete events that are more than $age years old
 	 *

Spacing +295 added lines, -297 removed lines

@@ -16,15 +16,15 @@ 
 use EGroupware\Api\Acl;
 
 // types of messsages send by calendar_boupdate::send_update
-define('MSG_DELETED',0);
-define('MSG_MODIFIED',1);
-define('MSG_ADDED',2);
-define('MSG_REJECTED',3);
-define('MSG_TENTATIVE',4);
-define('MSG_ACCEPTED',5);
-define('MSG_ALARM',6);
-define('MSG_DISINVITE',7);
-define('MSG_DELEGATED',8);
+define('MSG_DELETED', 0);
+define('MSG_MODIFIED', 1);
+define('MSG_ADDED', 2);
+define('MSG_REJECTED', 3);
+define('MSG_TENTATIVE', 4);
+define('MSG_ACCEPTED', 5);
+define('MSG_ALARM', 6);
+define('MSG_DISINVITE', 7);
+define('MSG_DELEGATED', 8);
 
 /**
  * Class to access AND manipulate all calendar data (business object)
@@ -85,11 +85,11 @@ 
 	 */
 	function __construct()
 	{
-		if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() started',True);
+		if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() started', True);
 
-		parent::__construct();	// calling the parent constructor
+		parent::__construct(); // calling the parent constructor
 
-		if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() finished',True);
+		if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() finished', True);
 	}
 
 	/**
@@ -116,7 +116,7 @@ 
 	 * +      + +  C   +	which is clearly wrong for everything with a maximum quantity > 1
 	 * ++++++++ ++++++++
 	 */
-	function update(&$event,$ignore_conflicts=false,$touch_modified=true,$ignore_acl=false,$updateTS=true,&$messages=null, $skip_notification=false)
+	function update(&$event, $ignore_conflicts = false, $touch_modified = true, $ignore_acl = false, $updateTS = true, &$messages = null, $skip_notification = false)
 	{
 		//error_log(__METHOD__."(".array2string($event).",$ignore_conflicts,$touch_modified,$ignore_acl)");
 		if (!is_array($messages)) $messages = $messages ? (array)$messages : array();
@@ -124,7 +124,7 @@ 
 		if ($this->debug > 1 || $this->debug == 'update')
 		{
 			$this->debug_message('calendar_boupdate::update(%1,ignore_conflict=%2,touch_modified=%3,ignore_acl=%4)',
-				false,$event,$ignore_conflicts,$touch_modified,$ignore_acl);
+				false, $event, $ignore_conflicts, $touch_modified, $ignore_acl);
 		}
 		// check some minimum requirements:
 		// - new events need start, end and title
@@ -152,11 +152,11 @@ 
 		}
 
 		// check if user has the permission to update / create the event
-		if (!$ignore_acl && (!$new_event && !$this->check_perms(Acl::EDIT,$event['id']) ||
-			$new_event && !$this->check_perms(Acl::EDIT,0,$event['owner'])) &&
-			!$this->check_perms(Acl::ADD,0,$event['owner']))
+		if (!$ignore_acl && (!$new_event && !$this->check_perms(Acl::EDIT, $event['id']) ||
+			$new_event && !$this->check_perms(Acl::EDIT, 0, $event['owner'])) &&
+			!$this->check_perms(Acl::ADD, 0, $event['owner']))
 		{
-			$messages[] = lang('Access to calendar of %1 denied!',Api\Accounts::username($event['owner']));
+			$messages[] = lang('Access to calendar of %1 denied!', Api\Accounts::username($event['owner']));
 			return false;
 		}
 		if ($new_event)
@@ -165,24 +165,24 @@ 
 		}
 		else
 		{
-			$old_event = $this->read((int)$event['id'],null,$ignore_acl);
+			$old_event = $this->read((int)$event['id'], null, $ignore_acl);
 		}
 
 		// do we need to check, if user is allowed to invite the invited participants
-		if ($this->require_acl_invite && ($removed = $this->remove_no_acl_invite($event,$old_event)))
+		if ($this->require_acl_invite && ($removed = $this->remove_no_acl_invite($event, $old_event)))
 		{
 			// report removed participants back to user
-			foreach($removed as $key => $account_id)
+			foreach ($removed as $key => $account_id)
 			{
 				$removed[$key] = $this->participant_name($account_id);
 			}
-			$messages[] = lang('%1 participants removed because of missing invite grants',count($removed)).
-				': '.implode(', ',$removed);
+			$messages[] = lang('%1 participants removed because of missing invite grants', count($removed)).
+				': '.implode(', ', $removed);
 		}
 		// check category based ACL
 		if ($event['category'])
 		{
-			if (!is_array($event['category'])) $event['category'] = explode(',',$event['category']);
+			if (!is_array($event['category'])) $event['category'] = explode(',', $event['category']);
 			if (!$old_event || !isset($old_event['category']))
 			{
 				$old_event['category'] = array();
@@ -191,38 +191,38 @@ 
 			{
 				$old_event['category'] = explode(',', $old_event['category']);
 			}
-			foreach($event['category'] as $key => $cat_id)
+			foreach ($event['category'] as $key => $cat_id)
 			{
 				// check if user is allowed to update event categories
-				if ((!$old_event || !in_array($cat_id,$old_event['category'])) &&
-					self::has_cat_right(self::CAT_ACL_ADD,$cat_id,$this->user) === false)
+				if ((!$old_event || !in_array($cat_id, $old_event['category'])) &&
+					self::has_cat_right(self::CAT_ACL_ADD, $cat_id, $this->user) === false)
 				{
 					unset($event['category'][$key]);
 					// report removed category to user
 					$removed_cats[$cat_id] = $this->categories->id2name($cat_id);
-					continue;	// no further check, as cat was removed
+					continue; // no further check, as cat was removed
 				}
 				// for new or moved events check status of participants, if no category status right --> set all status to 'U' = unknown
 				if (!$status_reset_to_unknown &&
-					self::has_cat_right(self::CAT_ACL_STATUS,$cat_id,$this->user) === false &&
+					self::has_cat_right(self::CAT_ACL_STATUS, $cat_id, $this->user) === false &&
 					(!$old_event || $old_event['start'] != $event['start'] || $old_event['end'] != $event['end']))
 				{
-					foreach((array)$event['participants'] as $uid => $status)
+					foreach ((array)$event['participants'] as $uid => $status)
 					{
 						$q = $r = null;
-						calendar_so::split_status($status,$q,$r);
+						calendar_so::split_status($status, $q, $r);
 						if ($status != 'U')
 						{
-							$event['participants'][$uid] = calendar_so::combine_status('U',$q,$r);
+							$event['participants'][$uid] = calendar_so::combine_status('U', $q, $r);
 							// todo: report reset status to user
 						}
 					}
-					$status_reset_to_unknown = true;	// once is enough
+					$status_reset_to_unknown = true; // once is enough
 				}
 			}
 			if ($removed_cats)
 			{
-				$messages[] = lang('Category %1 removed because of missing rights',implode(', ',$removed_cats));
+				$messages[] = lang('Category %1 removed because of missing rights', implode(', ', $removed_cats));
 			}
 			if ($status_reset_to_unknown)
 			{
@@ -233,61 +233,61 @@ 
 		if (!$ignore_conflicts && !$event['non_blocking'] && isset($event['start']) && isset($event['end']))
 		{
 			$types_with_quantity = array();
-			foreach($this->resources as $type => $data)
+			foreach ($this->resources as $type => $data)
 			{
 				if ($data['max_quantity']) $types_with_quantity[] = $type;
 			}
 			// get all NOT rejected participants and evtl. their quantity
 			$quantity = $users = array();
-			foreach($event['participants'] as $uid => $status)
+			foreach ($event['participants'] as $uid => $status)
 			{
-				calendar_so::split_status($status,$q,$r);
-				if ($status[0] == 'R') continue;	// ignore rejected participants
+				calendar_so::split_status($status, $q, $r);
+				if ($status[0] == 'R') continue; // ignore rejected participants
 
 				if ($uid < 0)	// group, check it's members too
 				{
-					$users += (array)$GLOBALS['egw']->accounts->members($uid,true);
+					$users += (array)$GLOBALS['egw']->accounts->members($uid, true);
 					$users = array_unique($users);
 				}
 				$users[] = $uid;
-				if (in_array($uid[0],$types_with_quantity))
+				if (in_array($uid[0], $types_with_quantity))
 				{
 					$quantity[$uid] = $q;
 				}
 			}
 			//$start = microtime(true);
-			$overlapping_events =& $this->search(array(
+			$overlapping_events = & $this->search(array(
 				'start' => $event['start'],
 				'end'   => $event['end'],
 				'users' => $users,
-				'ignore_acl' => true,	// otherwise we get only events readable by the user
-				'enum_groups' => true,	// otherwise group-events would not block time
+				'ignore_acl' => true, // otherwise we get only events readable by the user
+				'enum_groups' => true, // otherwise group-events would not block time
 				'query' => array(
 					'cal_non_blocking' => 0,
 				),
-				'no_integration' => true,	// do NOT use integration of other apps
+				'no_integration' => true, // do NOT use integration of other apps
 			));
 			//error_log(__METHOD__."() conflict check took ".number_format(microtime(true)-$start, 3).'s');
 			if ($this->debug > 2 || $this->debug == 'update')
 			{
-				$this->debug_message('calendar_boupdate::update() checking for potential overlapping events for users %1 from %2 to %3',false,$users,$event['start'],$event['end']);
+				$this->debug_message('calendar_boupdate::update() checking for potential overlapping events for users %1 from %2 to %3', false, $users, $event['start'], $event['end']);
 			}
 			$max_quantity = $possible_quantity_conflicts = $conflicts = array();
-			foreach((array) $overlapping_events as $k => $overlap)
+			foreach ((array)$overlapping_events as $k => $overlap)
 			{
-				if ($overlap['id'] == $event['id'] ||	// that's the event itself
-					$overlap['id'] == $event['reference'] ||	// event is an exception of overlap
+				if ($overlap['id'] == $event['id'] || // that's the event itself
+					$overlap['id'] == $event['reference'] || // event is an exception of overlap
 					$overlap['non_blocking'])			// that's a non_blocking event
 				{
 					continue;
 				}
 				if ($this->debug > 3 || $this->debug == 'update')
 				{
-					$this->debug_message('calendar_boupdate::update() checking overlapping event %1',false,$overlap);
+					$this->debug_message('calendar_boupdate::update() checking overlapping event %1', false, $overlap);
 				}
 				// check if the overlap is with a rejected participant or within the allowed quantity
-				$common_parts = array_intersect($users,array_keys($overlap['participants']));
-				foreach($common_parts as $n => $uid)
+				$common_parts = array_intersect($users, array_keys($overlap['participants']));
+				foreach ($common_parts as $n => $uid)
 				{
 					$status = $overlap['participants'][$uid];
 					calendar_so::split_status($status, $q, $r);
@@ -296,9 +296,9 @@ 
 						unset($common_parts[$n]);
 						continue;
 					}
-					if (is_numeric($uid) || !in_array($uid[0],$types_with_quantity))
+					if (is_numeric($uid) || !in_array($uid[0], $types_with_quantity))
 					{
-						continue;	// no quantity check: quantity allways 1 ==> conflict
+						continue; // no quantity check: quantity allways 1 ==> conflict
 					}
 					if (!isset($max_quantity[$uid]))
 					{
@@ -308,7 +308,7 @@ 
 					$quantity[$uid] += $q;
 					if ($quantity[$uid] <= $max_quantity[$uid])
 					{
-						$possible_quantity_conflicts[$uid][] =& $overlapping_events[$k];	// an other event can give the conflict
+						$possible_quantity_conflicts[$uid][] = & $overlapping_events[$k]; // an other event can give the conflict
 						unset($common_parts[$n]);
 						continue;
 					}
@@ -318,20 +318,20 @@ 
 				{
 					if ($this->debug > 3 || $this->debug == 'update')
 					{
-						$this->debug_message('calendar_boupdate::update() conflicts with the following participants found %1',false,$common_parts);
+						$this->debug_message('calendar_boupdate::update() conflicts with the following participants found %1', false, $common_parts);
 					}
-					$conflicts[$overlap['id'].'-'.$this->date2ts($overlap['start'])] =& $overlapping_events[$k];
+					$conflicts[$overlap['id'].'-'.$this->date2ts($overlap['start'])] = & $overlapping_events[$k];
 				}
 			}
 			// check if we are withing the allowed quantity and if not add all events using that resource
 			// seems this function is doing very strange things, it gives empty conflicts
-			foreach($max_quantity as $uid => $max)
+			foreach ($max_quantity as $uid => $max)
 			{
 				if ($quantity[$uid] > $max)
 				{
-					foreach((array)$possible_quantity_conflicts[$uid] as $conflict)
+					foreach ((array)$possible_quantity_conflicts[$uid] as $conflict)
 					{
-						$conflicts[$conflict['id'].'-'.$this->date2ts($conflict['start'])] =& $possible_quantity_conflicts[$k];
+						$conflicts[$conflict['id'].'-'.$this->date2ts($conflict['start'])] = & $possible_quantity_conflicts[$k];
 					}
 				}
 			}
@@ -339,10 +339,10 @@ 
 
 			if (count($conflicts))
 			{
-				foreach($conflicts as $key => $conflict)
+				foreach ($conflicts as $key => $conflict)
 				{
-						$conflict['participants'] = array_intersect_key((array)$conflict['participants'],$event['participants']);
-					if (!$this->check_perms(Acl::READ,$conflict))
+						$conflict['participants'] = array_intersect_key((array)$conflict['participants'], $event['participants']);
+					if (!$this->check_perms(Acl::READ, $conflict))
 					{
 						$conflicts[$key] = array(
 							'id'    => $conflict['id'],
@@ -355,7 +355,7 @@ 
 				}
 				if ($this->debug > 2 || $this->debug == 'update')
 				{
-					$this->debug_message('calendar_boupdate::update() %1 conflicts found %2',false,count($conflicts),$conflicts);
+					$this->debug_message('calendar_boupdate::update() %1 conflicts found %2', false, count($conflicts), $conflicts);
 				}
 				return $conflicts;
 			}
@@ -369,33 +369,33 @@ 
 			return $cal_id;
 		}
 
-		$event = $this->read($cal_id);	// we re-read the event, in case only partial information was update and we need the full info for the notifies
+		$event = $this->read($cal_id); // we re-read the event, in case only partial information was update and we need the full info for the notifies
 		//echo "new $cal_id="; _debug_array($event);
 
-		if($old_event['deleted'] && $event['deleted'] == null)
+		if ($old_event['deleted'] && $event['deleted'] == null)
 		{
 			// Restored, bring back links
 			Link::restore('calendar', $cal_id);
 		}
 		if ($this->log_file)
 		{
-			$this->log2file($event2save,$event,$old_event);
+			$this->log2file($event2save, $event, $old_event);
 		}
 		// send notifications
-		if(!$skip_notification)
+		if (!$skip_notification)
 		{
 			if ($new_event)
 			{
-				$this->send_update(MSG_ADDED,$event['participants'],'',$event);
+				$this->send_update(MSG_ADDED, $event['participants'], '', $event);
 			}
 			else // update existing event
 			{
-				$this->check4update($event,$old_event);
+				$this->check4update($event, $old_event);
 			}
 		}
 
 		// notify the link-class about the update, as other apps may be subscribt to it
-		Link::notify_update('calendar',$cal_id,$event);
+		Link::notify_update('calendar', $cal_id, $event);
 
 		return $cal_id;
 	}
@@ -407,22 +407,22 @@ 
 	 * @param array $old_event =null old event with already invited participants
 	 * @return array removed participants because of missing invite grants
 	 */
-	public function remove_no_acl_invite(array &$event,array $old_event=null)
+	public function remove_no_acl_invite(array &$event, array $old_event = null)
 	{
 		if (!$this->require_acl_invite)
 		{
-			return array();	// nothing to check, everyone can invite everyone else
+			return array(); // nothing to check, everyone can invite everyone else
 		}
 		if ($event['id'] && is_null($old_event))
 		{
 			$old_event = $this->read($event['id']);
 		}
 		$removed = array();
-		foreach(array_keys((array)$event['participants']) as $uid)
+		foreach (array_keys((array)$event['participants']) as $uid)
 		{
 			if ((is_null($old_event) || !isset($old_event['participants'][$uid])) && !$this->check_acl_invite($uid))
 			{
-				unset($event['participants'][$uid]);	// remove participant
+				unset($event['participants'][$uid]); // remove participant
 				$removed[] = $uid;
 			}
 		}
@@ -438,19 +438,19 @@ 
 	 */
 	public function check_acl_invite($uid)
 	{
-		if (!is_numeric($uid)) return true;	// nothing implemented for resources so far
+		if (!is_numeric($uid)) return true; // nothing implemented for resources so far
 
 		if (!$this->require_acl_invite)
 		{
-			$ret = true;	// no grant required
+			$ret = true; // no grant required
 		}
 		elseif ($this->require_acl_invite == 'groups' && $GLOBALS['egw']->accounts->get_type($uid) != 'g')
 		{
-			$ret = true;	// grant only required for groups
+			$ret = true; // grant only required for groups
 		}
 		else
 		{
-			$ret = $this->check_perms(self::ACL_INVITE,0,$uid);
+			$ret = $this->check_perms(self::ACL_INVITE, 0, $uid);
 		}
 		//error_log(__METHOD__."($uid) = ".array2string($ret));
 		//echo "<p>".__METHOD__."($uid) require_acl_invite=$this->require_acl_invite returning ".array2string($ret)."</p>\n";
@@ -464,7 +464,7 @@ 
 	 * @param array $old_event the event before the update
 	 * @todo check if there is a real change, not assume every save is a change
 	 */
-	function check4update($new_event,$old_event)
+	function check4update($new_event, $old_event)
 	{
 		//error_log(__METHOD__."($new_event[title])");
 		$modified = $added = $deleted = array();
@@ -472,9 +472,9 @@ 
 		//echo "<p>calendar_boupdate::check4update() new participants = ".print_r($new_event['participants'],true).", old participants =".print_r($old_event['participants'],true)."</p>\n";
 
 		// Find modified and deleted participants ...
-		foreach($old_event['participants'] as $old_userid => $old_status)
+		foreach ($old_event['participants'] as $old_userid => $old_status)
 		{
-			if(isset($new_event['participants'][$old_userid]))
+			if (isset($new_event['participants'][$old_userid]))
 			{
 				$modified[$old_userid] = $new_event['participants'][$old_userid];
 			}
@@ -484,27 +484,27 @@ 
 			}
 		}
 		// Find new participants ...
-		foreach(array_keys((array)$new_event['participants']) as $new_userid)
+		foreach (array_keys((array)$new_event['participants']) as $new_userid)
 		{
-			if(!isset($old_event['participants'][$new_userid]))
+			if (!isset($old_event['participants'][$new_userid]))
 			{
 				$added[$new_userid] = 'U';
 			}
 		}
 		//echo "<p>calendar_boupdate::check4update() added=".print_r($added,true).", modified=".print_r($modified,true).", deleted=".print_r($deleted,true)."</p>\n";
-		if(count($added) || count($modified) || count($deleted))
+		if (count($added) || count($modified) || count($deleted))
 		{
-			if(count($added))
+			if (count($added))
 			{
-				$this->send_update(MSG_ADDED,$added,$old_event,$new_event);
+				$this->send_update(MSG_ADDED, $added, $old_event, $new_event);
 			}
-			if(count($modified))
+			if (count($modified))
 			{
-				$this->send_update(MSG_MODIFIED,$modified,$old_event,$new_event);
+				$this->send_update(MSG_MODIFIED, $modified, $old_event, $new_event);
 			}
-			if(count($deleted))
+			if (count($deleted))
 			{
-				$this->send_update(MSG_DISINVITE,$deleted,$new_event);
+				$this->send_update(MSG_DISINVITE, $deleted, $new_event);
 			}
 		}
 	}
@@ -521,11 +521,11 @@ 
 	 * @param string $status of current user
 	 * @return boolean true = update requested, false otherwise
 	 */
-	public static function update_requested($userid, $part_prefs, &$msg_type, $old_event ,$new_event, $role, $status=null)
+	public static function update_requested($userid, $part_prefs, &$msg_type, $old_event, $new_event, $role, $status = null)
 	{
 		if ($msg_type == MSG_ALARM)
 		{
-			return True;	// always True for now
+			return True; // always True for now
 		}
 		$want_update = 0;
 
@@ -533,7 +533,7 @@ 
 		//
 		$msg_is_response = $msg_type == MSG_REJECTED || $msg_type == MSG_ACCEPTED || $msg_type == MSG_TENTATIVE || $msg_type == MSG_DELEGATED;
 
-		switch($ru = $part_prefs['calendar']['receive_updates'])
+		switch ($ru = $part_prefs['calendar']['receive_updates'])
 		{
 			case 'responses':
 				++$want_update;
@@ -547,8 +547,8 @@ 
 			default:
 				if (is_array($new_event) && is_array($old_event))
 				{
-					$diff = max(abs(self::date2ts($old_event['start'])-self::date2ts($new_event['start'])),
-						abs(self::date2ts($old_event['end'])-self::date2ts($new_event['end'])));
+					$diff = max(abs(self::date2ts($old_event['start']) - self::date2ts($new_event['start'])),
+						abs(self::date2ts($old_event['end']) - self::date2ts($new_event['end'])));
 					$check = $ru == 'time_change_4h' ? 4 * 60 * 60 - 1 : 0;
 					if ($msg_type == MSG_MODIFIED && $diff > $check)
 					{
@@ -568,13 +568,13 @@ 
 				if (!is_numeric($userid) && $role == 'CHAIR' &&
 					($msg_is_response || in_array($msg_type, array(MSG_ADDED, MSG_DELETED))))
 				{
-					switch($msg_type)
+					switch ($msg_type)
 					{
 						case MSG_DELETED:	// treat deleting event as rejection to organizer
 							$msg_type = MSG_REJECTED;
 							break;
 						case MSG_ADDED:		// new events use added, but organizer needs status
-							switch($status[0])
+							switch ($status[0])
 							{
 								case 'A': $msg_type = MSG_ACCEPTED; break;
 								case 'R': $msg_type = MSG_REJECTED; break;
@@ -599,7 +599,7 @@ 
 	 * @param string $role ='REQ-PARTICIPANT'
 	 * @return boolean true if user requested to be notified, false if not
 	 */
-	static public function email_update_requested($user_or_email, $ical_method='REQUEST', $role='REQ-PARTICIPANT')
+	static public function email_update_requested($user_or_email, $ical_method = 'REQUEST', $role = 'REQ-PARTICIPANT')
 	{
 		// check if email is from a user
 		if (is_numeric($user_or_email))
@@ -623,7 +623,7 @@ 
 				)
 			);
 		}
-		switch($ical_method)
+		switch ($ical_method)
 		{
 			default:
 			case 'REQUEST':
@@ -648,9 +648,9 @@ 
 	 * @param string& $action=null on return verbose name
 	 * @param string& $msg=null on return notification message
 	 */
-	function msg_type2ical_method($msg_type, &$action=null, &$msg=null)
+	function msg_type2ical_method($msg_type, &$action = null, &$msg = null)
 	{
-		switch($msg_type)
+		switch ($msg_type)
 		{
 			case MSG_DELETED:
 				$action = 'Canceled';
@@ -702,7 +702,7 @@ 
 		$msg = $this->cal_prefs['notify'.$pref];
 		if (empty($msg))
 		{
-			$msg = $this->cal_prefs['notifyAdded'];	// use a default
+			$msg = $this->cal_prefs['notifyAdded']; // use a default
 		}
 		//error_log(__METHOD__."($msg_type) action='$action', $msg='$msg' returning '$method'");
 		return $method;
@@ -718,7 +718,7 @@ 
 	 * @param int $user =0 User who started the notify, default current user
 	 * @return bool true/false
 	 */
-	function send_update($msg_type,$to_notify,$old_event,$new_event=null,$user=0)
+	function send_update($msg_type, $to_notify, $old_event, $new_event = null, $user = 0)
 	{
 		//error_log(__METHOD__."($msg_type,".array2string($to_notify).",...) ".array2string($new_event));
 		if (!is_array($to_notify))
@@ -730,11 +730,11 @@ 
 		$owner = $old_event ? $old_event['owner'] : $new_event['owner'];
 		if ($owner && !isset($to_notify[$owner]) && $msg_type != MSG_ALARM)
 		{
-			$to_notify[$owner] = 'OCHAIR';	// always include the event-owner
+			$to_notify[$owner] = 'OCHAIR'; // always include the event-owner
 		}
 
 		// ignore events in the past (give a tolerance of 10 seconds for the script)
-		if($old_event && $this->date2ts($old_event['start']) < ($this->now_su - 10))
+		if ($old_event && $this->date2ts($old_event['start']) < ($this->now_su - 10))
 		{
 			return False;
 		}
@@ -744,7 +744,7 @@ 
 			$restore_tz = $tz;
 			date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
 		}
-		$temp_user = $GLOBALS['egw_info']['user'];	// save user-date of the enviroment to restore it after
+		$temp_user = $GLOBALS['egw_info']['user']; // save user-date of the enviroment to restore it after
 
 		if (!$user)
 		{
@@ -760,16 +760,16 @@ 
 		$event = $msg_type == MSG_ADDED || $msg_type == MSG_MODIFIED ? $new_event : $old_event;
 
 		// add all group-members to the notification, unless they are already participants
-		foreach($to_notify as $userid => $statusid)
+		foreach ($to_notify as $userid => $statusid)
 		{
 			if (is_numeric($userid) && $GLOBALS['egw']->accounts->get_type($userid) == 'g' &&
 				($members = $GLOBALS['egw']->accounts->members($userid, true)))
 			{
-				foreach($members as $member)
+				foreach ($members as $member)
 				{
 					if (!isset($to_notify[$member]))
 					{
-						$to_notify[$member] = 'G';	// Group-invitation
+						$to_notify[$member] = 'G'; // Group-invitation
 					}
 				}
 			}
@@ -781,7 +781,7 @@ 
 		if ($old_event) $olddate = new Api\DateTime($old_event['start']);
 		//error_log(__METHOD__."() date_default_timezone_get()=".date_default_timezone_get().", user-timezone=".Api\DateTime::$user_timezone->getName().", startdate=".$startdate->format().", enddate=".$enddate->format().", updated=".$modified->format().", olddate=".($olddate ? $olddate->format() : ''));
 		$owner_prefs = $ics = null;
-		foreach($to_notify as $userid => $statusid)
+		foreach ($to_notify as $userid => $statusid)
 		{
 			$res_info = $quantity = $role = null;
 			calendar_so::split_status($statusid, $quantity, $role);
@@ -804,14 +804,14 @@ 
 
 				if (!isset($userid))
 				{
-					if (empty($res_info['email'])) continue;	// no way to notify
+					if (empty($res_info['email'])) continue; // no way to notify
 					// check if event-owner wants non-EGroupware users notified
 					if (is_null($owner_prefs))
 					{
 						$preferences = new Api\Preferences($owner);
 						$owner_prefs = $preferences->read_repository();
 					}
-					if ($role != 'CHAIR' &&		// always notify externals CHAIRs
+					if ($role != 'CHAIR' && // always notify externals CHAIRs
 						(empty($owner_prefs['calendar']['notify_externals']) ||
 						$owner_prefs['calendar']['notify_externals'] == 'no'))
 					{
@@ -823,12 +823,12 @@ 
 
 			if ($statusid == 'R' || $GLOBALS['egw']->accounts->get_type($userid) == 'g')
 			{
-				continue;	// dont notify rejected participants or groups
+				continue; // dont notify rejected participants or groups
 			}
 
-			if($userid != $GLOBALS['egw_info']['user']['account_id'] ||
+			if ($userid != $GLOBALS['egw_info']['user']['account_id'] ||
 				($userid == $GLOBALS['egw_info']['user']['account_id'] &&
-					$user_prefs['calendar']['receive_own_updates']==1) ||
+					$user_prefs['calendar']['receive_own_updates'] == 1) ||
 				$msg_type == MSG_ALARM)
 			{
 				$tfn = $tln = $lid = null; //cleanup of lastname and fullname (in case they are set in a previous loop)
@@ -847,7 +847,7 @@ 
 					}
 					$part_prefs = $owner_prefs;
 					$part_prefs['calendar']['receive_updates'] = $owner_prefs['calendar']['notify_externals'];
-					$part_prefs['calendar']['update_format'] = 'ical';	// use ical format
+					$part_prefs['calendar']['update_format'] = 'ical'; // use ical format
 					$fullname = $res_info && !empty($res_info['name']) ? $res_info['name'] : $userid;
 				}
 				$m_type = $msg_type;
@@ -875,7 +875,7 @@ 
 				if (!isset($part_prefs['common']['tz'])) $part_prefs['common']['tz'] = $GLOBALS['egw_info']['server']['server_timezone'];
 				$timezone = new DateTimeZone($part_prefs['common']['tz']);
 				$timeformat = $part_prefs['common']['timeformat'];
-				switch($timeformat)
+				switch ($timeformat)
 				{
 			  		case '24':
 						$timeformat = 'H:i';
@@ -884,7 +884,7 @@ 
 						$timeformat = 'h:i a';
 						break;
 				}
-				$timeformat = $part_prefs['common']['dateformat'] . ', ' . $timeformat;
+				$timeformat = $part_prefs['common']['dateformat'].', '.$timeformat;
 
 				$startdate->setTimezone($timezone);
 				$details['startdate'] = $startdate->format($timeformat);
@@ -893,7 +893,7 @@ 
 				$details['enddate'] = $enddate->format($timeformat);
 
 				$modified->setTimezone($timezone);
-				$details['updated'] = $modified->format($timeformat) . ', ' . Api\Accounts::username($event['modifier']);
+				$details['updated'] = $modified->format($timeformat).', '.Api\Accounts::username($event['modifier']);
 
 				if ($old_event != False)
 				{
@@ -902,15 +902,14 @@ 
 				}
 				//error_log(__METHOD__."() userid=$userid, timezone=".$timezone->getName().", startdate=$details[startdate], enddate=$details[enddate], updated=$details[updated], olddate=$details[olddate]");
 
-				list($subject,$notify_body) = explode("\n",$GLOBALS['egw']->preferences->parse_notify($notify_msg,$details),2);
+				list($subject, $notify_body) = explode("\n", $GLOBALS['egw']->preferences->parse_notify($notify_msg, $details), 2);
 				// alarm is NOT an iCal method, therefore we have to use extened (no iCal)
-				switch($msg_type == MSG_ALARM ? 'extended' : $part_prefs['calendar']['update_format'])
+				switch ($msg_type == MSG_ALARM ? 'extended' : $part_prefs['calendar']['update_format'])
 				{
-					case 'ical':
-						if (is_null($ics) || $m_type != $msg_type)	// need different ical for organizer notification
+					case 'ical' : if (is_null($ics) || $m_type != $msg_type)	// need different ical for organizer notification
 						{
 							$calendar_ical = new calendar_ical();
-							$calendar_ical->setSupportedFields('full');	// full iCal fields+event TZ
+							$calendar_ical->setSupportedFields('full'); // full iCal fields+event TZ
 							// we need to pass $event[id] so iCal class reads event again,
 							// as event is in user TZ, but iCal class expects server TZ!
 							$ics = $calendar_ical->exportVCal(array(isset($cleared_event) ? $cleared_event : $event['id']),
@@ -929,11 +928,11 @@ 
 					case 'extended':
 
 						$details_body = lang('Event Details follow').":\n";
-						foreach($event_arr as $key => $val)
+						foreach ($event_arr as $key => $val)
 						{
-							if(!empty($details[$key]))
+							if (!empty($details[$key]))
 							{
-								switch($key)
+								switch ($key)
 								{
 							 		case 'access':
 									case 'priority':
@@ -942,7 +941,7 @@ 
 									case 'title':
 										break;
 									default:
-										$details_body .= sprintf("%-20s %s\n",$val['field'].':',$details[$key]);
+										$details_body .= sprintf("%-20s %s\n", $val['field'].':', $details[$key]);
 										break;
 							 	}
 							}
@@ -950,7 +949,7 @@ 
 						break;
 				}
 				// send via notification_app
-				if($GLOBALS['egw_info']['apps']['notifications']['enabled'])
+				if ($GLOBALS['egw_info']['apps']['notifications']['enabled'])
 				{
 					try {
 						//error_log(__METHOD__."() notifying $userid from $senderid: $subject");
@@ -974,7 +973,7 @@ 
 						$notification->set_popupmessage($notify_body."\n\n".$details['description']."\n\n".$details_body);
 						$notification->set_popuplinks(array($details['link_arr']));
 
-						if(is_array($attachment)) { $notification->set_attachments(array($attachment)); }
+						if (is_array($attachment)) { $notification->set_attachments(array($attachment)); }
 						$notification->send();
 					}
 					catch (Exception $exception) {
@@ -1011,14 +1010,14 @@ 
 		return true;
 	}
 
-	function get_update_message($event,$added)
+	function get_update_message($event, $added)
 	{
 		$nul = null;
-		$details = $this->_get_event_details($event,$added ? lang('Added') : lang('Modified'),$nul);
+		$details = $this->_get_event_details($event, $added ? lang('Added') : lang('Modified'), $nul);
 
 		$notify_msg = $this->cal_prefs[$added || empty($this->cal_prefs['notifyModified']) ? 'notifyAdded' : 'notifyModified'];
 
-		return explode("\n",$GLOBALS['egw']->preferences->parse_notify($notify_msg,$details),2);
+		return explode("\n", $GLOBALS['egw']->preferences->parse_notify($notify_msg, $details), 2);
 	}
 
 	/**
@@ -1032,37 +1031,37 @@ 
 		//echo "<p>bocalendar::send_alarm("; print_r($alarm); echo ")</p>\n";
 		$GLOBALS['egw_info']['user']['account_id'] = $this->owner = $alarm['owner'];
 
-		$event_time_user = Api\DateTime::server2user($alarm['time'] + $alarm['offset']);	// alarm[time] is in server-time, read requires user-time
-		if (!$alarm['owner'] || !$alarm['cal_id'] || !($event = $this->read($alarm['cal_id'],$event_time_user)))
+		$event_time_user = Api\DateTime::server2user($alarm['time'] + $alarm['offset']); // alarm[time] is in server-time, read requires user-time
+		if (!$alarm['owner'] || !$alarm['cal_id'] || !($event = $this->read($alarm['cal_id'], $event_time_user)))
 		{
-			return False;	// event not found
+			return False; // event not found
 		}
 		if ($alarm['all'])
 		{
 			$to_notify = $event['participants'];
 		}
-		elseif ($this->check_perms(Acl::READ,$event))	// checks agains $this->owner set to $alarm[owner]
+		elseif ($this->check_perms(Acl::READ, $event))	// checks agains $this->owner set to $alarm[owner]
 		{
 			$to_notify[$alarm['owner']] = 'A';
 		}
 		else
 		{
-			return False;	// no rights
+			return False; // no rights
 		}
 		// need to load calendar translations and set currentapp, so calendar can reload a different lang
 		Api\Translation::add_app('calendar');
 		$GLOBALS['egw_info']['flags']['currentapp'] = 'calendar';
 
-		$ret = $this->send_update(MSG_ALARM,$to_notify,$event,False,$alarm['owner']);
+		$ret = $this->send_update(MSG_ALARM, $to_notify, $event, False, $alarm['owner']);
 
 		// create a new alarm for recuring events for the next event, if one exists
-		if ($event['recur_type'] != MCAL_RECUR_NONE && ($event = $this->read($alarm['cal_id'],$event_time_user+1)))
+		if ($event['recur_type'] != MCAL_RECUR_NONE && ($event = $this->read($alarm['cal_id'], $event_time_user + 1)))
 		{
 			$alarm['time'] = $this->date2ts($event['start']) - $alarm['offset'];
 			unset($alarm['times']);
 			unset($alarm['next']);
 			//error_log(__METHOD__."() moving alarm to next recurrence ".array2string($alarm));
-			$this->save_alarm($alarm['cal_id'], $alarm, false);	// false = do NOT update timestamp, as nothing changed for iCal clients
+			$this->save_alarm($alarm['cal_id'], $alarm, false); // false = do NOT update timestamp, as nothing changed for iCal clients
 		}
 		return $ret;
 	}
@@ -1078,15 +1077,15 @@ 
 	 * DEPRECATED: we allways (have to) update timestamp, as they are required for sync!
 	 * @return int|boolean $cal_id > 0 or false on error (eg. permission denied)
 	 */
-	function save($event,$ignore_acl=false,$updateTS=true)
+	function save($event, $ignore_acl = false, $updateTS = true)
 	{
 		unset($updateTS);
 		//error_log(__METHOD__.'('.array2string($event).", $ignore_acl, $updateTS)");
 
 		// check if user has the permission to update / create the event
-		if (!$ignore_acl && ($event['id'] && !$this->check_perms(Acl::EDIT,$event['id']) ||
-			!$event['id'] && !$this->check_perms(Acl::EDIT,0,$event['owner']) &&
-			!$this->check_perms(Acl::ADD,0,$event['owner'])))
+		if (!$ignore_acl && ($event['id'] && !$this->check_perms(Acl::EDIT, $event['id']) ||
+			!$event['id'] && !$this->check_perms(Acl::EDIT, 0, $event['owner']) &&
+			!$this->check_perms(Acl::ADD, 0, $event['owner'])))
 		{
 			return false;
 		}
@@ -1131,19 +1130,19 @@ 
 				$time->setUser();
 				$save_event['recur_enddate'] = Api\DateTime::to($time, 'ts');
 			}
-			$timestamps = array('modified','created');
+			$timestamps = array('modified', 'created');
 			// all-day events are handled in server time
 			$event['tzid'] = $save_event['tzid'] = Api\DateTime::$server_timezone->getName();
 		}
 		else
 		{
-			$timestamps = array('start','end','modified','created','recur_enddate','recurrence');
+			$timestamps = array('start', 'end', 'modified', 'created', 'recur_enddate', 'recurrence');
 		}
 		// we run all dates through date2ts, to adjust to server-time and the possible date-formats
-		foreach($timestamps as $ts)
+		foreach ($timestamps as $ts)
 		{
 			// we convert here from user-time to timestamps in server-time!
-			if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2ts($event[$ts],true) : 0;
+			if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2ts($event[$ts], true) : 0;
 		}
 		// convert tzid name to integer tz_id, of set user default
 		if (empty($event['tzid']) || !($event['tz_id'] = calendar_timezones::tz2id($event['tzid'])))
@@ -1153,7 +1152,7 @@ 
 		// same with the recur exceptions
 		if (isset($event['recur_exception']) && is_array($event['recur_exception']))
 		{
-			foreach($event['recur_exception'] as &$date)
+			foreach ($event['recur_exception'] as &$date)
 			{
 				if ($event['whole_day'])
 				{
@@ -1162,7 +1161,7 @@ 
 				}
 				else
 				{
-					$date = $this->date2ts($date,true);
+					$date = $this->date2ts($date, true);
 				}
 			}
 			unset($date);
@@ -1170,7 +1169,7 @@ 
 		// same with the alarms
 		if (isset($event['alarm']) && is_array($event['alarm']) && isset($event['start']))
 		{
-			foreach($event['alarm'] as $id => &$alarm)
+			foreach ($event['alarm'] as $id => &$alarm)
 			{
 				// remove alarms belonging to not longer existing or rejected participants
 				if ($alarm['owner'] && isset($event['participants']))
@@ -1188,15 +1187,14 @@ 
 		// update all existing alarm times, in case alarm got moved and alarms are not include in $event
 		if ($old_event && is_array($old_event['alarm']) && isset($event['start']))
 		{
-			foreach($old_event['alarm'] as $id => &$alarm)
+			foreach ($old_event['alarm'] as $id => &$alarm)
 			{
 				if (!isset($event['alarm'][$id]))
 				{
 					$alarm['time'] = $event['start'] - $alarm['offset'];
 					if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm);
 						// remove (not store) alarms belonging to not longer existing or rejected participants
-					$status = isset($event['participants']) ? $event['participants'][$alarm['owner']] :
-						$old_event['participants'][$alarm['owner']];
+					$status = isset($event['participants']) ? $event['participants'][$alarm['owner']] : $old_event['participants'][$alarm['owner']];
 					if (!$alarm['owner'] || isset($status) && calendar_so::split_status($status) !== 'R')
 					{
 						$this->so->save_alarm($event['id'], $alarm);
@@ -1222,7 +1220,7 @@ 
 		}
 		$set_recurrences = $old_event ? $event['recur_enddate'] != $old_event['recur_enddate'] : false;
 		$set_recurrences_start = 0;
-		if (($cal_id = $this->so->save($event,$set_recurrences,$set_recurrences_start,0,$event['etag'])) && $set_recurrences && $event['recur_type'] != MCAL_RECUR_NONE)
+		if (($cal_id = $this->so->save($event, $set_recurrences, $set_recurrences_start, 0, $event['etag'])) && $set_recurrences && $event['recur_type'] != MCAL_RECUR_NONE)
 		{
 			$save_event['id'] = $cal_id;
 			// unset participants to enforce the default stati for all added recurrences
@@ -1233,7 +1231,7 @@ 
 		// create links for new participants from addressbook, if configured
 		if ($cal_id && $GLOBALS['egw_info']['server']['link_contacts'] && $event['participants'])
 		{
-			foreach($event['participants'] as $uid => $status)
+			foreach ($event['participants'] as $uid => $status)
 			{
 				$user_type = $user_id = null;
 				calendar_so::split_user($uid, $user_type, $user_id);
@@ -1246,7 +1244,7 @@ 
 
 		// Update history
 		$tracking = new calendar_tracking($this);
-		if (empty($event['id']) && !empty($cal_id)) $event['id']=$cal_id;
+		if (empty($event['id']) && !empty($cal_id)) $event['id'] = $cal_id;
 		$tracking->track($event, $old_event);
 
 		return $cal_id;
@@ -1261,16 +1259,16 @@ 
 	 * @param array|int $event event array or id of the event
 	 * @return boolean
 	 */
-	function check_status_perms($uid,$event)
+	function check_status_perms($uid, $event)
 	{
 		if ($uid[0] == 'c' || $uid[0] == 'e')	// for contact we use the owner of the event
 		{
 			if (!is_array($event) && !($event = $this->read($event))) return false;
 
-			return $this->check_perms(Acl::EDIT,0,$event['owner']);
+			return $this->check_perms(Acl::EDIT, 0, $event['owner']);
 		}
 		// check if we have a category Acl for the event or not (null)
-		$access = $this->check_cat_acl(self::CAT_ACL_STATUS,$event);
+		$access = $this->check_cat_acl(self::CAT_ACL_STATUS, $event);
 		if (!is_null($access))
 		{
 			return $access;
@@ -1280,17 +1278,17 @@ 
 		{
 			$resource = $this->resource_info($uid);
 
-			return Acl::EDIT & $resource['rights'];
+			return Acl::EDIT&$resource['rights'];
 		}
 		if (!is_array($event) && !($event = $this->read($event))) return false;
 
 		// regular user and groups (need to check memberships too)
 		if (!isset($event['participants'][$uid]))
 		{
-			$memberships = $GLOBALS['egw']->accounts->memberships($uid,true);
+			$memberships = $GLOBALS['egw']->accounts->memberships($uid, true);
 		}
 		$memberships[] = $uid;
-		return array_intersect($memberships, array_keys($event['participants'])) && $this->check_perms(Acl::EDIT,0,$uid);
+		return array_intersect($memberships, array_keys($event['participants'])) && $this->check_perms(Acl::EDIT, 0, $uid);
 	}
 
 	/**
@@ -1304,16 +1302,16 @@ 
 	 * @return boolean false=access denied because of cat acl, true access granted because of cat acl,
 	 * 	null = cat has no acl
 	 */
-	function check_cat_acl($right,$event)
+	function check_cat_acl($right, $event)
 	{
 		if (!is_array($event)) $event = $this->read($event);
 
 		$ret = null;
 		if ($event['category'])
 		{
-			foreach(is_array($event['category']) ? $event['category'] : explode(',',$event['category']) as $cat_id)
+			foreach (is_array($event['category']) ? $event['category'] : explode(',', $event['category']) as $cat_id)
 			{
-				$access = self::has_cat_right($right,$cat_id,$this->user);
+				$access = self::has_cat_right($right, $cat_id, $this->user);
 				if ($access === true)
 				{
 					$ret = true;
@@ -1321,7 +1319,7 @@ 
 				}
 				if ($access === false)
 				{
-					$ret = false;	// cat denies access --> check further cats
+					$ret = false; // cat denies access --> check further cats
 				}
 			}
 		}
@@ -1342,12 +1340,12 @@ 
 	 * @param int $cat_id =null null to return array with all cats
 	 * @return array with account_id => right pairs
 	 */
-	public static function get_cat_rights($cat_id=null)
+	public static function get_cat_rights($cat_id = null)
 	{
 		if (!isset(self::$cat_rights_cache))
 		{
-			self::$cat_rights_cache = Api\Cache::getSession('calendar','cat_rights',
-				array($GLOBALS['egw']->acl,'get_location_grants'),array('L%','calendar'));
+			self::$cat_rights_cache = Api\Cache::getSession('calendar', 'cat_rights',
+				array($GLOBALS['egw']->acl, 'get_location_grants'), array('L%', 'calendar'));
 		}
 		//echo "<p>".__METHOD__."($cat_id) = ".array2string($cat_id ? self::$cat_rights_cache['L'.$cat_id] : self::$cat_rights_cache)."</p>\n";
 		return $cat_id ? self::$cat_rights_cache['L'.$cat_id] : self::$cat_rights_cache;
@@ -1360,7 +1358,7 @@ 
 	 * @param int $user
 	 * @param int $rights self::CAT_ACL_{ADD|STATUS} or'ed together
 	 */
-	public static function set_cat_rights($cat_id,$user,$rights)
+	public static function set_cat_rights($cat_id, $user, $rights)
 	{
 		//echo "<p>".__METHOD__."($cat_id,$user,$rights)</p>\n";
 		if (!isset(self::$cat_rights_cache)) self::get_cat_rights($cat_id);
@@ -1370,15 +1368,15 @@ 
 			if ($rights)
 			{
 				self::$cat_rights_cache['L'.$cat_id][$user] = $rights;
-				$GLOBALS['egw']->acl->add_repository('calendar','L'.$cat_id,$user,$rights);
+				$GLOBALS['egw']->acl->add_repository('calendar', 'L'.$cat_id, $user, $rights);
 			}
 			else
 			{
 				unset(self::$cat_rights_cache['L'.$cat_id][$user]);
 				if (!self::$cat_rights_cache['L'.$cat_id]) unset(self::$cat_rights_cache['L'.$cat_id]);
-				$GLOBALS['egw']->acl->delete_repository('calendar','L'.$cat_id,$user);
+				$GLOBALS['egw']->acl->delete_repository('calendar', 'L'.$cat_id, $user);
 			}
-			Api\Cache::setSession('calendar','cat_rights',self::$cat_rights_cache);
+			Api\Cache::setSession('calendar', 'cat_rights', self::$cat_rights_cache);
 		}
 	}
 
@@ -1389,9 +1387,9 @@ 
 	 * @return boolean false=access denied because of cat acl, true access granted because of cat acl,
 	 * 	null = cat has no acl
 	 */
-	public static function has_cat_right($right,$cat_id,$user)
+	public static function has_cat_right($right, $cat_id, $user)
 	{
-		static $cache=null;
+		static $cache = null;
 
 		if (!isset($cache[$cat_id]))
 		{
@@ -1399,21 +1397,21 @@ 
 			$cat_rights = self::get_cat_rights($cat_id);
 			if (!is_null($cat_rights))
 			{
-				static $memberships=null;
+				static $memberships = null;
 				if (is_null($memberships))
 				{
-					$memberships = $GLOBALS['egw']->accounts->memberships($user,true);
+					$memberships = $GLOBALS['egw']->accounts->memberships($user, true);
 					$memberships[] = $user;
 				}
-				foreach($cat_rights as $uid => $value)
+				foreach ($cat_rights as $uid => $value)
 				{
 					$all |= $value;
-					if (in_array($uid,$memberships)) $own |= $value;
+					if (in_array($uid, $memberships)) $own |= $value;
 				}
 			}
-			foreach(array(self::CAT_ACL_ADD,self::CAT_ACL_STATUS) as $mask)
+			foreach (array(self::CAT_ACL_ADD, self::CAT_ACL_STATUS) as $mask)
 			{
-				$cache[$cat_id][$mask] = !($all & $mask) ? null : !!($own & $mask);
+				$cache[$cat_id][$mask] = !($all&$mask) ? null : !!($own&$mask);
 			}
 		}
 		//echo "<p>".__METHOD__."($right,$cat_id) all=$all, own=$own returning ".array2string($cache[$cat_id][$right])."</p>\n";
@@ -1433,13 +1431,13 @@ 
 	 * @param boolean $skip_notification =false true: do not send notification messages
 	 * @return int number of changed recurrences
 	 */
-	function set_status($event,$uid,$status,$recur_date=0,$ignore_acl=false,$updateTS=true,$skip_notification=false)
+	function set_status($event, $uid, $status, $recur_date = 0, $ignore_acl = false, $updateTS = true, $skip_notification = false)
 	{
 		unset($updateTS);
 
 		$cal_id = is_array($event) ? $event['id'] : $event;
 		//echo "<p>calendar_boupdate::set_status($cal_id,$uid,$status,$recur_date)</p>\n";
-		if (!$cal_id || (!$ignore_acl && !$this->check_status_perms($uid,$event)))
+		if (!$cal_id || (!$ignore_acl && !$this->check_status_perms($uid, $event)))
 		{
 			return false;
 		}
@@ -1448,16 +1446,16 @@ 
 		if ($this->log)
 		{
 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-				"($cal_id, $uid, $status, $recur_date)\n",3,$this->logfile);
+				"($cal_id, $uid, $status, $recur_date)\n", 3, $this->logfile);
 		}
 		$old_event = $this->read($cal_id, $recur_date, false, 'server');
-		if (($Ok = $this->so->set_status($cal_id,is_numeric($uid)?'u':$uid[0],
-				is_numeric($uid)?$uid:substr($uid,1),$status,
-				$recur_date?$this->date2ts($recur_date,true):0,$role)))
+		if (($Ok = $this->so->set_status($cal_id, is_numeric($uid) ? 'u' : $uid[0],
+				is_numeric($uid) ? $uid : substr($uid, 1), $status,
+				$recur_date ? $this->date2ts($recur_date, true) : 0, $role)))
 		{
 			if ($status == 'R')	// remove alarms belonging to rejected participants
 			{
-				foreach(isset($event['alarm']) ? $event['alarm'] : $old_event['alarm'] as $id => $alarm)
+				foreach (isset($event['alarm']) ? $event['alarm'] : $old_event['alarm'] as $id => $alarm)
 				{
 					if ((string)$alarm['owner'] === (string)$uid)
 					{
@@ -1476,8 +1474,8 @@ 
 			if (isset($status2msg[$status]) && !$skip_notification)
 			{
 				if (!is_array($event)) $event = $this->read($cal_id);
-				if (isset($recur_date)) $event = $this->read($event['id'],$recur_date); //re-read the actually edited recurring event
-				$this->send_update($status2msg[$status],$event['participants'],$event);
+				if (isset($recur_date)) $event = $this->read($event['id'], $recur_date); //re-read the actually edited recurring event
+				$this->send_update($status2msg[$status], $event['participants'], $event);
 			}
 
 			// Update history
@@ -1497,14 +1495,14 @@ 
 	 * @param int $recur_date =0 date to change, or 0 = all since now
 	 * @param boolean $skip_notification Do not send notifications.  Parameter passed on to set_status().
 	 */
-	function update_status($new_event, $old_event , $recur_date=0, $skip_notification=false)
+	function update_status($new_event, $old_event, $recur_date = 0, $skip_notification = false)
 	{
 		if (!isset($new_event['participants'])) return;
 
 		// check the old list against the new list
 		foreach ($old_event['participants'] as $userid => $status)
   		{
-            if (!isset($new_event['participants'][$userid])){
+            if (!isset($new_event['participants'][$userid])) {
             	// Attendee will be deleted this way
             	$new_event['participants'][$userid] = 'G';
             }
@@ -1517,7 +1515,7 @@ 
 		// write the changes
 		foreach ($new_event['participants'] as $userid => $status)
 		{
-			$this->set_status($old_event, $userid, $status, $recur_date, true, false,$skip_notification);
+			$this->set_status($old_event, $userid, $status, $recur_date, true, false, $skip_notification);
 		}
     }
 
@@ -1532,43 +1530,43 @@ 
 	 * @param int &$exceptions_kept=null on return number of kept exceptions
 	 * @return boolean true on success, false on error (usually permission denied)
 	 */
-	function delete($cal_id, $recur_date=0, $ignore_acl=false, $skip_notification=false,
-		$delete_exceptions=true, &$exceptions_kept=null)
+	function delete($cal_id, $recur_date = 0, $ignore_acl = false, $skip_notification = false,
+		$delete_exceptions = true, &$exceptions_kept = null)
 	{
 		//error_log(__METHOD__."(cal_id=$cal_id, recur_date=$recur_date, ignore_acl=$ignore_acl, skip_notifications=$skip_notification)");
-		if (!($event = $this->read($cal_id,$recur_date)) ||
-			!$ignore_acl && !$this->check_perms(Acl::DELETE,$event))
+		if (!($event = $this->read($cal_id, $recur_date)) ||
+			!$ignore_acl && !$this->check_perms(Acl::DELETE, $event))
 		{
 			return false;
 		}
 
 		// Don't send notification if the event has already been deleted
-		if(!$event['deleted'] && !$skip_notification)
+		if (!$event['deleted'] && !$skip_notification)
 		{
-			$this->send_update(MSG_DELETED,$event['participants'],$event);
+			$this->send_update(MSG_DELETED, $event['participants'], $event);
 		}
 
 		if (!$recur_date || $event['recur_type'] == MCAL_RECUR_NONE)
 		{
 			$config = Api\Config::read('phpgwapi');
-			if(!$config['calendar_delete_history'] || $event['deleted'])
+			if (!$config['calendar_delete_history'] || $event['deleted'])
 			{
 				$this->so->delete($cal_id);
 
 				// delete all links to the event
-				Link::unlink(0,'calendar',$cal_id);
+				Link::unlink(0, 'calendar', $cal_id);
 			}
 			elseif ($config['calendar_delete_history'])
 			{
 				// mark all links to the event as deleted, but keep them
-				Link::unlink(0,'calendar',$cal_id,'','','',true);
+				Link::unlink(0, 'calendar', $cal_id, '', '', '', true);
 
 				$event['deleted'] = $this->now;
 				$this->save($event, $ignore_acl);
 				// Actually delete alarms
 				if (isset($event['alarm']) && is_array($event['alarm']))
 				{
-					foreach($event['alarm'] as $id => $alarm)
+					foreach ($event['alarm'] as $id => $alarm)
 					{
 						$this->delete_alarm($id);
 					}
@@ -1590,7 +1588,7 @@ 
 						if (!($exception = $this->read($id))) continue;
 						$exception['uid'] = Api\CalDAV::generate_uid('calendar', $id);
 						$exception['reference'] = $exception['recurrence'] = 0;
-						$this->update($exception, true, true, false, true, $msg=null, true);
+						$this->update($exception, true, true, false, true, $msg = null, true);
 						++$exceptions_kept;
 					}
 				}
@@ -1602,9 +1600,9 @@ 
 			if ($event['alarm'])
 			{
 				$next_recurrance = null;
-				foreach($event['alarm'] as &$alarm)
+				foreach ($event['alarm'] as &$alarm)
 				{
-					if (($alarm['time'] == $recur_date) || ($alarm['time']+$alarm['offset'] == $recur_date))
+					if (($alarm['time'] == $recur_date) || ($alarm['time'] + $alarm['offset'] == $recur_date))
 					{
 						//error_log(__METHOD__.__LINE__.'->'.array2string($recur_date));
 						//error_log(__METHOD__.__LINE__.array2string($event));
@@ -1612,12 +1610,12 @@ 
 						{
 							$checkdate = $recur_date;
 							//if ($alarm['time']+$alarm['offset'] == $recur_date) $checkdate = $recur_date + $alarm['offset'];
-							if (($e = $this->read($cal_id,$checkdate+1)))
+							if (($e = $this->read($cal_id, $checkdate + 1)))
 							{
 								$next_recurrance = $this->date2ts($e['start']);
 							}
 						}
-						$alarm['time'] = $this->date2ts($next_recurrance, true);	// user to server-time
+						$alarm['time'] = $this->date2ts($next_recurrance, true); // user to server-time
 						$alarm['cal_id'] = $cal_id;
 						unset($alarm['times']);
 						unset($alarm['next']);
@@ -1631,7 +1629,7 @@ 
 			$event = $this->read($cal_id);
 			//if (isset($alarmbuffer)) $event['alarm'] = $alarmbuffer;
 			$event['recur_exception'][] = $recur_date;
-			$this->save($event);// updates the content-history
+			$this->save($event); // updates the content-history
 		}
 		if ($event['reference'])
 		{
@@ -1649,19 +1647,19 @@ 
 	 * @param array $disinvited
 	 * @return array
 	 */
-	function _get_event_details($event,$action,&$event_arr,$disinvited=array())
+	function _get_event_details($event, $action, &$event_arr, $disinvited = array())
 	{
 		$details = array(			// event-details for the notify-msg
 			'id'          => $event['id'],
 			'action'      => lang($action),
 		);
 		$event_arr = $this->event2array($event);
-		foreach($event_arr as $key => $val)
+		foreach ($event_arr as $key => $val)
 		{
 			if ($key == 'recur_type') $key = 'repetition';
 			$details[$key] = $val['data'];
 		}
-		$details['participants'] = $details['participants'] ? implode("\n",$details['participants']) : '';
+		$details['participants'] = $details['participants'] ? implode("\n", $details['participants']) : '';
 
 		$event_arr['link']['field'] = lang('URL');
 		$eventStart_arr = $this->date2array($event['start']); // give this as 'date' to the link to pick the right recurrence for the participants state
@@ -1682,7 +1680,7 @@ 
 		 */
 		$link_arr = array();
 		$link_arr['text'] = $event['title'];
-		$link_arr['view'] = array(	'menuaction' => 'calendar.calendar_uiforms.edit',
+		$link_arr['view'] = array('menuaction' => 'calendar.calendar_uiforms.edit',
 									'cal_id' => $event['id'],
 									'date' => $eventStart_arr['full'],
 									);
@@ -1690,11 +1688,11 @@ 
 		$details['link_arr'] = $link_arr;
 
 		$dis = array();
-		foreach($disinvited as $uid)
+		foreach ($disinvited as $uid)
 		{
 			$dis[] = $this->participant_name($uid);
 		}
-		$details['disinvited'] = implode(', ',$dis);
+		$details['disinvited'] = implode(', ', $dis);
 		return $details;
 	}
 
@@ -1718,13 +1716,13 @@ 
 			'data'	=> $event['description']
 		);
 
-		foreach(explode(',',$event['category']) as $cat_id)
+		foreach (explode(',', $event['category']) as $cat_id)
 		{
 			$cat_string[] = stripslashes(Api\Categories::id2name($cat_id));
 		}
 		$var['category'] = Array(
 			'field'	=> lang('Category'),
-			'data'	=> implode(', ',$cat_string)
+			'data'	=> implode(', ', $cat_string)
 		);
 
 		$var['location'] = Array(
@@ -1770,7 +1768,7 @@ 
 
 		if (isset($event['participants']) && is_array($event['participants']) && !empty($event['participants']))
 		{
-			$participants = $this->participants($event,true);
+			$participants = $this->participants($event, true);
 		}
 		$var['participants'] = Array(
 			'field'	=> lang('Participants'),
@@ -1793,26 +1791,26 @@ 
 	 * @param array $old_event =null event-data in the DB before calling save
 	 * @param string $type ='update'
 	 */
-	function log2file($event2save,$event_saved,$old_event=null,$type='update')
+	function log2file($event2save, $event_saved, $old_event = null, $type = 'update')
 	{
-		if (!($f = fopen($this->log_file,'a')))
+		if (!($f = fopen($this->log_file, 'a')))
 		{
 			echo "<p>error opening '$this->log_file' !!!</p>\n";
 			return false;
 		}
-		fwrite($f,$type.': '.Api\Accounts::username($this->user).': '.date('r')."\n");
-		fwrite($f,"Time: time to save / saved time read back / old time before save\n");
-		foreach(array('start','end') as $name)
+		fwrite($f, $type.': '.Api\Accounts::username($this->user).': '.date('r')."\n");
+		fwrite($f, "Time: time to save / saved time read back / old time before save\n");
+		foreach (array('start', 'end') as $name)
 		{
-			fwrite($f,$name.': '.(isset($event2save[$name]) ? $this->format_date($event2save[$name]) : 'not set').' / '.
-				$this->format_date($event_saved[$name]) .' / '.
+			fwrite($f, $name.': '.(isset($event2save[$name]) ? $this->format_date($event2save[$name]) : 'not set').' / '.
+				$this->format_date($event_saved[$name]).' / '.
 				(is_null($old_event) ? 'no old event' : $this->format_date($old_event[$name]))."\n");
 		}
-		foreach(array('event2save','event_saved','old_event') as $name)
+		foreach (array('event2save', 'event_saved', 'old_event') as $name)
 		{
-			fwrite($f,$name.' = '.print_r($$name,true));
+			fwrite($f, $name.' = '.print_r($$name, true));
 		}
-		fwrite($f,"\n");
+		fwrite($f, "\n");
 		fclose($f);
 
 		return true;
@@ -1833,14 +1831,14 @@ 
 		if ($old_event !== null && $event['start'] == $old_event['start']) return;
 
 		$time = new Api\DateTime($event['start']);
-		if(!is_array($event['alarm']))
+		if (!is_array($event['alarm']))
 		{
 			$event['alarm'] = $this->so->read_alarms($event['id']);
 		}
 
-		foreach($event['alarm'] as &$alarm)
+		foreach ($event['alarm'] as &$alarm)
 		{
-			if($event['recur_type'] != MCAL_RECUR_NONE)
+			if ($event['recur_type'] != MCAL_RECUR_NONE)
 			{
 				calendar_so::shift_alarm($event, $alarm, $instance_date->format('ts'));
 			}
@@ -1860,14 +1858,14 @@ 
 	 * @param boolean $update_modified =true call update modified, default true
 	 * @return string id of the alarm, or false on error (eg. no perms)
 	 */
-	function save_alarm($cal_id, $alarm, $update_modified=true)
+	function save_alarm($cal_id, $alarm, $update_modified = true)
 	{
-		if (!$cal_id || !$this->check_perms(Acl::EDIT,$alarm['all'] ? $cal_id : 0,!$alarm['all'] ? $alarm['owner'] : 0))
+		if (!$cal_id || !$this->check_perms(Acl::EDIT, $alarm['all'] ? $cal_id : 0, !$alarm['all'] ? $alarm['owner'] : 0))
 		{
 			//echo "<p>no rights to save the alarm=".print_r($alarm,true)." to event($cal_id)</p>";
-			return false;	// no rights to add the alarm
+			return false; // no rights to add the alarm
 		}
-		$alarm['time'] = $this->date2ts($alarm['time'],true);	// user to server-time
+		$alarm['time'] = $this->date2ts($alarm['time'], true); // user to server-time
 
 		return $this->so->save_alarm($cal_id, $alarm, $update_modified);
 	}
@@ -1880,11 +1878,11 @@ 
 	 */
 	function delete_alarm($id)
 	{
-		list(,$cal_id) = explode(':',$id);
+		list(,$cal_id) = explode(':', $id);
 
-		if (!($alarm = $this->so->read_alarm($id)) || !$cal_id || !$this->check_perms(Acl::EDIT,$alarm['all'] ? $cal_id : 0,!$alarm['all'] ? $alarm['owner'] : 0))
+		if (!($alarm = $this->so->read_alarm($id)) || !$cal_id || !$this->check_perms(Acl::EDIT, $alarm['all'] ? $cal_id : 0, !$alarm['all'] ? $alarm['owner'] : 0))
 		{
-			return false;	// no rights to delete the alarm
+			return false; // no rights to delete the alarm
 		}
 
 		return $this->so->delete_alarm($id);
@@ -1899,13 +1897,13 @@ 
 	 *  by the ones the user normally does not see due to category permissions - used to preserve categories
 	 * @return array category ids (found, added and preserved categories)
 	 */
-	function find_or_add_categories($catname_list, $old_event=null)
+	function find_or_add_categories($catname_list, $old_event = null)
 	{
 		if (is_array($old_event) || $old_event > 0)
 		{
 			// preserve categories without users read access
 			if (!is_array($old_event)) $old_event = $this->read($old_event);
-			$old_categories = explode(',',$old_event['category']);
+			$old_categories = explode(',', $old_event['category']);
 			$old_cats_preserve = array();
 			if (is_array($old_categories) && count($old_categories) > 0)
 			{
@@ -1959,7 +1957,7 @@ 
 	{
 		if (!is_array($cat_id_list))
 		{
-			$cat_id_list = explode(',',$cat_id_list);
+			$cat_id_list = explode(',', $cat_id_list);
 		}
 		$cat_list = array();
 		foreach ($cat_id_list as $cat_id)
@@ -1984,7 +1982,7 @@ 
 	 *                              master	-> try to find a releated series master
 	 * @return array calendar_ids of matching entries
 	 */
-	function find_event($event, $filter='exact')
+	function find_event($event, $filter = 'exact')
 	{
 		$matchingEvents = array();
 		$query = array();
@@ -1992,14 +1990,14 @@ 
 		if ($this->log)
 		{
 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-				"($filter)[EVENT]:" . array2string($event)."\n",3,$this->logfile);
+				"($filter)[EVENT]:".array2string($event)."\n", 3, $this->logfile);
 		}
 
 		if (!isset($event['recurrence'])) $event['recurrence'] = 0;
 
 		if ($filter == 'master')
 		{
-			$query[] = 'recur_type!='. MCAL_RECUR_NONE;
+			$query[] = 'recur_type!='.MCAL_RECUR_NONE;
 			$query['cal_recurrence'] = 0;
 		}
 		elseif ($filter == 'exact')
@@ -2020,14 +2018,14 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					'(' . $event['id'] . ")[EventID]\n",3,$this->logfile);
+					'('.$event['id'].")[EventID]\n", 3, $this->logfile);
 			}
 			if (($egwEvent = $this->read($event['id'], 0, false, 'server')))
 			{
 				if ($this->log)
 				{
 					error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-						'()[FOUND]:' . array2string($egwEvent)."\n",3,$this->logfile);
+						'()[FOUND]:'.array2string($egwEvent)."\n", 3, $this->logfile);
 				}
 				if ($egwEvent['recur_type'] != MCAL_RECUR_NONE &&
 					(empty($event['uid']) || $event['uid'] == $egwEvent['uid']))
@@ -2046,7 +2044,7 @@ 
 						$exceptions = $this->so->get_recurrence_exceptions($egwEvent, $event['tzid']);
 						if (in_array($event['recurrence'], $exceptions))
 						{
-							$matchingEvents[] = $egwEvent['id'] . ':' . (int)$event['recurrence'];
+							$matchingEvents[] = $egwEvent['id'].':'.(int)$event['recurrence'];
 						}
 					}
 				} elseif ($filter != 'master' && ($filter == 'exact' ||
@@ -2065,19 +2063,19 @@ 
 
 		// only query calendars of users, we have READ-grants from
 		$users = array();
-		foreach(array_keys($this->grants) as $user)
+		foreach (array_keys($this->grants) as $user)
 		{
 			$user = trim($user);
-			if ($this->check_perms(Acl::READ|self::ACL_READ_FOR_PARTICIPANTS|self::ACL_FREEBUSY,0,$user))
+			if ($this->check_perms(Acl::READ|self::ACL_READ_FOR_PARTICIPANTS|self::ACL_FREEBUSY, 0, $user))
 			{
-				if ($user && !in_array($user,$users))	// already added?
+				if ($user && !in_array($user, $users))	// already added?
 				{
 					$users[] = $user;
 				}
 			}
 			elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g')
 			{
-				continue;	// for non-groups (eg. users), we stop here if we have no read-rights
+				continue; // for non-groups (eg. users), we stop here if we have no read-rights
 			}
 			// the further code is only for real users
 			if (!is_numeric($user)) continue;
@@ -2088,7 +2086,7 @@ 
 				$members = $GLOBALS['egw']->accounts->members($user, true);
 				if (is_array($members))
 				{
-					foreach($members as $member)
+					foreach ($members as $member)
 					{
 						// use only members which gave the user a read-grant
 						if (!in_array($member, $users) &&
@@ -2104,7 +2102,7 @@ 
 				$memberships = $GLOBALS['egw']->accounts->memberships($user, true);
 				if (is_array($memberships))
 				{
-					foreach($memberships as $group)
+					foreach ($memberships as $group)
 					{
 						if (!in_array($group, $users))
 						{
@@ -2130,24 +2128,24 @@ 
 
 				// check length with some tolerance
 				$length = $event['end'] - $event['start'] - $delta;
-				$query[] = ('(cal_end-cal_start)>' . $length);
+				$query[] = ('(cal_end-cal_start)>'.$length);
 				$length += 2 * $delta;
-				$query[] = ('(cal_end-cal_start)<' . $length);
-				$query[] = ('cal_start>' . ($event['start'] - 86400));
-				$query[] = ('cal_start<' . ($event['start'] + 86400));
+				$query[] = ('(cal_end-cal_start)<'.$length);
+				$query[] = ('cal_start>'.($event['start'] - 86400));
+				$query[] = ('cal_start<'.($event['start'] + 86400));
 			}
 			elseif (isset($event['start']))
 			{
 				if ($filter == 'relax')
 				{
-					$query[] = ('cal_start>' . ($event['start'] - 3600));
-					$query[] = ('cal_start<' . ($event['start'] + 3600));
+					$query[] = ('cal_start>'.($event['start'] - 3600));
+					$query[] = ('cal_start<'.($event['start'] + 3600));
 				}
 				else
 				{
 					// we accept a tiny tolerance
-					$query[] = ('cal_start>' . ($event['start'] - 2));
-					$query[] = ('cal_start<' . ($event['start'] + 2));
+					$query[] = ('cal_start>'.($event['start'] - 2));
+					$query[] = ('cal_start<'.($event['start'] + 2));
 				}
 			}
 			if ($filter == 'relax')
@@ -2170,14 +2168,14 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					'(' . $event['uid'] . ")[EventUID]\n",3,$this->logfile);
+					'('.$event['uid'].")[EventUID]\n", 3, $this->logfile);
 			}
 		}
 
 		if ($this->log)
 		{
 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-				'[QUERY]: ' . array2string($query)."\n",3,$this->logfile);
+				'[QUERY]: '.array2string($query)."\n", 3, $this->logfile);
 		}
 		if (!count($users) || !($foundEvents =
 			$this->so->search(null, null, $users, 0, 'owner', false, 0, array('query' => $query))))
@@ -2185,19 +2183,19 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-				"[NO MATCH]\n",3,$this->logfile);
+				"[NO MATCH]\n", 3, $this->logfile);
 			}
 			return $matchingEvents;
 		}
 
 		$pseudos = array();
 
-		foreach($foundEvents as $egwEvent)
+		foreach ($foundEvents as $egwEvent)
 		{
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					'[FOUND]: ' . array2string($egwEvent)."\n",3,$this->logfile);
+					'[FOUND]: '.array2string($egwEvent)."\n", 3, $this->logfile);
 			}
 
 			if (in_array($egwEvent['id'], $matchingEvents)) continue;
@@ -2271,7 +2269,7 @@ 
 						if (in_array($event['recurrence'], $exceptions))
 						{
 							// We found a pseudo exception
-							$matchingEvents = array($egwEvent['id'] . ':' . (int)$event['recurrence']);
+							$matchingEvents = array($egwEvent['id'].':'.(int)$event['recurrence']);
 							break;
 						}
 					}
@@ -2289,7 +2287,7 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"() egwEvent length does not match!\n",3,$this->logfile);
+							"() egwEvent length does not match!\n", 3, $this->logfile);
 						}
 						continue;
 					}
@@ -2301,7 +2299,7 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"() egwEvent is not a whole-day event!\n",3,$this->logfile);
+							"() egwEvent is not a whole-day event!\n", 3, $this->logfile);
 						}
 						continue;
 					}
@@ -2322,8 +2320,8 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"() event[$key] differ: '" . $event[$key] .
-							"' <> '" . $egwEvent[$key] . "'\n",3,$this->logfile);
+							"() event[$key] differ: '".$event[$key].
+							"' <> '".$egwEvent[$key]."'\n", 3, $this->logfile);
 					}
 					continue 2; // next foundEvent
 				}
@@ -2341,7 +2339,7 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"() egwEvent category $cat_id is missing!\n",3,$this->logfile);
+							"() egwEvent category $cat_id is missing!\n", 3, $this->logfile);
 						}
 						continue 2;
 					}
@@ -2353,7 +2351,7 @@ 
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 							'() event has additional categories:'
-							. array2string($newCategories)."\n",3,$this->logfile);
+							. array2string($newCategories)."\n", 3, $this->logfile);
 					}
 					continue;
 				}
@@ -2373,7 +2371,7 @@ 
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-								"() additional event['participants']: $attendee\n",3,$this->logfile);
+								"() additional event['participants']: $attendee\n", 3, $this->logfile);
 							}
 							continue 2;
 						}
@@ -2396,8 +2394,8 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-								'() missing event[participants]: ' .
-								array2string($egwEvent['participants'])."\n",3,$this->logfile);
+								'() missing event[participants]: '.
+								array2string($egwEvent['participants'])."\n", 3, $this->logfile);
 						}
 						continue;
 					}
@@ -2409,7 +2407,7 @@ 
 				if ($egwEvent['recur_type'] != MCAL_RECUR_NONE)
 				{
 					// We found a pseudo Exception
-					$pseudos[] = $egwEvent['id'] . ':' . $event['start'];
+					$pseudos[] = $egwEvent['id'].':'.$event['start'];
 					continue;
 				}
 			}
@@ -2431,7 +2429,7 @@ 
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-								"() additional event['recur_exception']: $day\n",3,$this->logfile);
+								"() additional event['recur_exception']: $day\n", 3, $this->logfile);
 							}
 							continue 2;
 						}
@@ -2441,8 +2439,8 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-								'() missing event[recur_exception]: ' .
-								array2string($event['recur_exception'])."\n",3,$this->logfile);
+								'() missing event[recur_exception]: '.
+								array2string($event['recur_exception'])."\n", 3, $this->logfile);
 						}
 						continue;
 					}
@@ -2457,8 +2455,8 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-								"() events[$key] differ: " . $event[$key] .
-								' <> ' . $egwEvent[$key]."\n",3,$this->logfile);
+								"() events[$key] differ: ".$event[$key].
+								' <> '.$egwEvent[$key]."\n", 3, $this->logfile);
 						}
 						continue 2;
 					}
@@ -2474,7 +2472,7 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					"() new exception for series found.\n",3,$this->logfile);
+					"() new exception for series found.\n", 3, $this->logfile);
 			}
 			$matchingEvents = array();
 		}
@@ -2485,7 +2483,7 @@ 
 		if ($this->log)
 		{
 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-				'[MATCHES]:' . array2string($matches)."\n",3,$this->logfile);
+				'[MATCHES]:'.array2string($matches)."\n", 3, $this->logfile);
 		}
 		return $matches;
 	}
@@ -2558,7 +2556,7 @@ 
 				if ($this->log)
 				{
 					error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					"()[MASTER]: $eventID\n",3,$this->logfile);
+					"()[MASTER]: $eventID\n", 3, $this->logfile);
 				}
 				$type = 'SERIES-EXCEPTION';
 				if (($master_event = $this->read($eventID, 0, false, 'server')))
@@ -2579,7 +2577,7 @@ 
 					}
 					elseif (in_array($event['start'], $master_event['recur_exception']))
 					{
-						$type='SERIES-PSEUDO-EXCEPTION'; // new pseudo exception?
+						$type = 'SERIES-PSEUDO-EXCEPTION'; // new pseudo exception?
 						$recurrence_event = $master_event;
 						$recurrence_event['start'] = $event['start'];
 						$recurrence_event['end'] -= $master_event['start'] - $event['start'];
@@ -2596,8 +2594,8 @@ 
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-									'() try occurrence ' . $egw_rrule->current()
-									. " ($occurrence)\n",3,$this->logfile);
+									'() try occurrence '.$egw_rrule->current()
+									. " ($occurrence)\n", 3, $this->logfile);
 							}
 							if ($event['start'] == $occurrence)
 							{
@@ -2630,8 +2628,8 @@ 
 			// default if we cannot find a proof for a fundamental change
 			// the recurrence_event is the master event with start and end adjusted to the recurrence
 			// check for changed data
-			foreach (array('start','end','uid','title','location','description',
-				'priority','public','special','non_blocking') as $key)
+			foreach (array('start', 'end', 'uid', 'title', 'location', 'description',
+				'priority', 'public', 'special', 'non_blocking') as $key)
 			{
 				if (!empty($event[$key]) && $recurrence_event[$key] != $event[$key])
 				{
@@ -2689,10 +2687,10 @@ 
      * @param &$event	the event we are working on
      *
      */
-    function server2usertime (&$event)
+    function server2usertime(&$event)
     {
 		// we run all dates through date2usertime, to adjust to user-time
-		foreach(array('start','end','recur_enddate','recurrence') as $ts)
+		foreach (array('start', 'end', 'recur_enddate', 'recurrence') as $ts)
 		{
 			// we convert here from server-time to timestamps in user-time!
 			if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2usertime($event[$ts]) : 0;
@@ -2700,7 +2698,7 @@ 
 		// same with the recur exceptions
 		if (isset($event['recur_exception']) && is_array($event['recur_exception']))
 		{
-			foreach($event['recur_exception'] as $n => $date)
+			foreach ($event['recur_exception'] as $n => $date)
 			{
 				$event['recur_exception'][$n] = $this->date2usertime($date);
 			}
@@ -2708,7 +2706,7 @@ 
 		// same with the alarms
 		if (isset($event['alarm']) && is_array($event['alarm']))
 		{
-			foreach($event['alarm'] as $id => $alarm)
+			foreach ($event['alarm'] as $id => $alarm)
 			{
 				$event['alarm'][$id]['time'] = $this->date2usertime($alarm['time']);
 			}
@@ -2725,7 +2723,7 @@ 
 	{
 		if (is_numeric($age) && $age > 0)	// just make sure bogus values dont delete everything
 		{
-			$this->so->purge(time() - 365*24*3600*(float)$age);
+			$this->so->purge(time() - 365 * 24 * 3600 * (float)$age);
 		}
 	}
 }

Braces +212 added lines, -54 removed lines

@@ -85,11 +85,17 @@ 
 	 */
 	function __construct()
 	{
-		if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() started',True);
+		if ($this->debug > 0)
+		{
+			$this->debug_message('calendar_boupdate::__construct() started',True);
+		}
 
 		parent::__construct();	// calling the parent constructor
 
-		if ($this->debug > 0) $this->debug_message('calendar_boupdate::__construct() finished',True);
+		if ($this->debug > 0)
+		{
+			$this->debug_message('calendar_boupdate::__construct() finished',True);
+		}
 	}
 
 	/**
@@ -119,7 +125,10 @@ 
 	function update(&$event,$ignore_conflicts=false,$touch_modified=true,$ignore_acl=false,$updateTS=true,&$messages=null, $skip_notification=false)
 	{
 		//error_log(__METHOD__."(".array2string($event).",$ignore_conflicts,$touch_modified,$ignore_acl)");
-		if (!is_array($messages)) $messages = $messages ? (array)$messages : array();
+		if (!is_array($messages))
+		{
+			$messages = $messages ? (array)$messages : array();
+		}
 
 		if ($this->debug > 1 || $this->debug == 'update')
 		{
@@ -139,10 +148,13 @@ 
 
 		$status_reset_to_unknown = false;
 
-		if (($new_event = !$event['id']))	// some defaults for new entries
+		if (($new_event = !$event['id']))
+		{
+			// some defaults for new entries
 		{
 			// if no owner given, set user to owner
 			if (!$event['owner']) $event['owner'] = $this->user;
+		}
 			// set owner as participant if none is given
 			if (!is_array($event['participants']) || !count($event['participants']))
 			{
@@ -182,7 +194,10 @@ 
 		// check category based ACL
 		if ($event['category'])
 		{
-			if (!is_array($event['category'])) $event['category'] = explode(',',$event['category']);
+			if (!is_array($event['category']))
+			{
+				$event['category'] = explode(',',$event['category']);
+			}
 			if (!$old_event || !isset($old_event['category']))
 			{
 				$old_event['category'] = array();
@@ -235,18 +250,28 @@ 
 			$types_with_quantity = array();
 			foreach($this->resources as $type => $data)
 			{
-				if ($data['max_quantity']) $types_with_quantity[] = $type;
+				if ($data['max_quantity'])
+				{
+					$types_with_quantity[] = $type;
+				}
 			}
 			// get all NOT rejected participants and evtl. their quantity
 			$quantity = $users = array();
 			foreach($event['participants'] as $uid => $status)
 			{
 				calendar_so::split_status($status,$q,$r);
-				if ($status[0] == 'R') continue;	// ignore rejected participants
+				if ($status[0] == 'R')
+				{
+					continue;
+				}
+				// ignore rejected participants
 
-				if ($uid < 0)	// group, check it's members too
+				if ($uid < 0)
+				{
+					// group, check it's members too
 				{
 					$users += (array)$GLOBALS['egw']->accounts->members($uid,true);
+				}
 					$users = array_unique($users);
 				}
 				$users[] = $uid;
@@ -277,10 +302,13 @@ 
 			{
 				if ($overlap['id'] == $event['id'] ||	// that's the event itself
 					$overlap['id'] == $event['reference'] ||	// event is an exception of overlap
-					$overlap['non_blocking'])			// that's a non_blocking event
+					$overlap['non_blocking'])
+				{
+					// that's a non_blocking event
 				{
 					continue;
 				}
+				}
 				if ($this->debug > 3 || $this->debug == 'update')
 				{
 					$this->debug_message('calendar_boupdate::update() checking overlapping event %1',false,$overlap);
@@ -438,7 +466,11 @@ 
 	 */
 	public function check_acl_invite($uid)
 	{
-		if (!is_numeric($uid)) return true;	// nothing implemented for resources so far
+		if (!is_numeric($uid))
+		{
+			return true;
+		}
+		// nothing implemented for resources so far
 
 		if (!$this->require_acl_invite)
 		{
@@ -778,14 +810,20 @@ 
 		$startdate = new Api\DateTime($event['start']);
 		$enddate = new Api\DateTime($event['end']);
 		$modified = new Api\DateTime($event['modified']);
-		if ($old_event) $olddate = new Api\DateTime($old_event['start']);
+		if ($old_event)
+		{
+			$olddate = new Api\DateTime($old_event['start']);
+		}
 		//error_log(__METHOD__."() date_default_timezone_get()=".date_default_timezone_get().", user-timezone=".Api\DateTime::$user_timezone->getName().", startdate=".$startdate->format().", enddate=".$enddate->format().", updated=".$modified->format().", olddate=".($olddate ? $olddate->format() : ''));
 		$owner_prefs = $ics = null;
 		foreach($to_notify as $userid => $statusid)
 		{
 			$res_info = $quantity = $role = null;
 			calendar_so::split_status($statusid, $quantity, $role);
-			if ($this->debug > 0) error_log(__METHOD__." trying to notify $userid, with $statusid ($role)");
+			if ($this->debug > 0)
+			{
+				error_log(__METHOD__." trying to notify $userid, with $statusid ($role)");
+			}
 
 			if (!is_numeric($userid))
 			{
@@ -804,7 +842,11 @@ 
 
 				if (!isset($userid))
 				{
-					if (empty($res_info['email'])) continue;	// no way to notify
+					if (empty($res_info['email']))
+					{
+						continue;
+					}
+					// no way to notify
 					// check if event-owner wants non-EGroupware users notified
 					if (is_null($owner_prefs))
 					{
@@ -868,11 +910,20 @@ 
 				$details = $this->_get_event_details(isset($cleared_event) ? $cleared_event : $event,
 					$action, $event_arr, $disinvited);
 				$details['to-fullname'] = $fullname;
-				if (isset($tfn)) $details['to-firstname'] = $tfn;
-				if (isset($tln)) $details['to-lastname'] = $tln;
+				if (isset($tfn))
+				{
+					$details['to-firstname'] = $tfn;
+				}
+				if (isset($tln))
+				{
+					$details['to-lastname'] = $tln;
+				}
 
 				// event is in user-time of current user, now we need to calculate the tz-difference to the notified user and take it into account
-				if (!isset($part_prefs['common']['tz'])) $part_prefs['common']['tz'] = $GLOBALS['egw_info']['server']['server_timezone'];
+				if (!isset($part_prefs['common']['tz']))
+				{
+					$part_prefs['common']['tz'] = $GLOBALS['egw_info']['server']['server_timezone'];
+				}
 				$timezone = new DateTimeZone($part_prefs['common']['tz']);
 				$timeformat = $part_prefs['common']['timeformat'];
 				switch($timeformat)
@@ -907,9 +958,12 @@ 
 				switch($msg_type == MSG_ALARM ? 'extended' : $part_prefs['calendar']['update_format'])
 				{
 					case 'ical':
-						if (is_null($ics) || $m_type != $msg_type)	// need different ical for organizer notification
+						if (is_null($ics) || $m_type != $msg_type)
+						{
+							// need different ical for organizer notification
 						{
 							$calendar_ical = new calendar_ical();
+						}
 							$calendar_ical->setSupportedFields('full');	// full iCal fields+event TZ
 							// we need to pass $event[id] so iCal class reads event again,
 							// as event is in user TZ, but iCal class expects server TZ!
@@ -923,7 +977,10 @@ 
 							'encoding' => '8bit',
 							'type' => 'text/calendar; method='.$method,
 						);
-						if ($m_type != $msg_type) unset($ics);
+						if ($m_type != $msg_type)
+						{
+							unset($ics);
+						}
 						$subject = isset($cleared_event) ? $cleared_event['title'] : $event['title'];
 						// fall through
 					case 'extended':
@@ -974,7 +1031,9 @@ 
 						$notification->set_popupmessage($notify_body."\n\n".$details['description']."\n\n".$details_body);
 						$notification->set_popuplinks(array($details['link_arr']));
 
-						if(is_array($attachment)) { $notification->set_attachments(array($attachment)); }
+						if(is_array($attachment))
+						{
+$notification->set_attachments(array($attachment)); }
 						$notification->send();
 					}
 					catch (Exception $exception) {
@@ -1006,7 +1065,10 @@ 
 			Api\Translation::init();
 		}
 		// restore timezone, in case we had to reset it to server-timezone
-		if ($restore_tz) date_default_timezone_set($restore_tz);
+		if ($restore_tz)
+		{
+			date_default_timezone_set($restore_tz);
+		}
 
 		return true;
 	}
@@ -1041,10 +1103,13 @@ 
 		{
 			$to_notify = $event['participants'];
 		}
-		elseif ($this->check_perms(Acl::READ,$event))	// checks agains $this->owner set to $alarm[owner]
+		elseif ($this->check_perms(Acl::READ,$event))
+		{
+			// checks agains $this->owner set to $alarm[owner]
 		{
 			$to_notify[$alarm['owner']] = 'A';
 		}
+		}
 		else
 		{
 			return False;	// no rights
@@ -1094,7 +1159,10 @@ 
 		if ($event['id'])
 		{
 			// invalidate the read-cache if it contains the event we store now
-			if ($event['id'] == self::$cached_event['id']) self::$cached_event = array();
+			if ($event['id'] == self::$cached_event['id'])
+			{
+				self::$cached_event = array();
+			}
 			$old_event = $this->read($event['id'], $event['recurrence'], false, 'server');
 		}
 		else
@@ -1102,7 +1170,10 @@ 
 			$old_event = null;
 		}
 
-		if (!isset($event['whole_day'])) $event['whole_day'] = $this->isWholeDay($event);
+		if (!isset($event['whole_day']))
+		{
+			$event['whole_day'] = $this->isWholeDay($event);
+		}
 		$save_event = $event;
 		if ($event['whole_day'])
 		{
@@ -1143,7 +1214,10 @@ 
 		foreach($timestamps as $ts)
 		{
 			// we convert here from user-time to timestamps in server-time!
-			if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2ts($event[$ts],true) : 0;
+			if (isset($event[$ts]))
+			{
+				$event[$ts] = $event[$ts] ? $this->date2ts($event[$ts],true) : 0;
+			}
 		}
 		// convert tzid name to integer tz_id, of set user default
 		if (empty($event['tzid']) || !($event['tz_id'] = calendar_timezones::tz2id($event['tzid'])))
@@ -1193,7 +1267,10 @@ 
 				if (!isset($event['alarm'][$id]))
 				{
 					$alarm['time'] = $event['start'] - $alarm['offset'];
-					if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm);
+					if ($alarm['time'] < time())
+					{
+						calendar_so::shift_alarm($event, $alarm);
+					}
 						// remove (not store) alarms belonging to not longer existing or rejected participants
 					$status = isset($event['participants']) ? $event['participants'][$alarm['owner']] :
 						$old_event['participants'][$alarm['owner']];
@@ -1246,7 +1323,10 @@ 
 
 		// Update history
 		$tracking = new calendar_tracking($this);
-		if (empty($event['id']) && !empty($cal_id)) $event['id']=$cal_id;
+		if (empty($event['id']) && !empty($cal_id))
+		{
+			$event['id']=$cal_id;
+		}
 		$tracking->track($event, $old_event);
 
 		return $cal_id;
@@ -1263,9 +1343,12 @@ 
 	 */
 	function check_status_perms($uid,$event)
 	{
-		if ($uid[0] == 'c' || $uid[0] == 'e')	// for contact we use the owner of the event
+		if ($uid[0] == 'c' || $uid[0] == 'e')
+		{
+			// for contact we use the owner of the event
 		{
 			if (!is_array($event) && !($event = $this->read($event))) return false;
+		}
 
 			return $this->check_perms(Acl::EDIT,0,$event['owner']);
 		}
@@ -1276,13 +1359,19 @@ 
 			return $access;
 		}
 		// no access or denied access because of category acl --> regular check
-		if (!is_numeric($uid))	// this is eg. for resources (r123)
+		if (!is_numeric($uid))
+		{
+			// this is eg. for resources (r123)
 		{
 			$resource = $this->resource_info($uid);
+		}
 
 			return Acl::EDIT & $resource['rights'];
 		}
-		if (!is_array($event) && !($event = $this->read($event))) return false;
+		if (!is_array($event) && !($event = $this->read($event)))
+		{
+			return false;
+		}
 
 		// regular user and groups (need to check memberships too)
 		if (!isset($event['participants'][$uid]))
@@ -1306,7 +1395,10 @@ 
 	 */
 	function check_cat_acl($right,$event)
 	{
-		if (!is_array($event)) $event = $this->read($event);
+		if (!is_array($event))
+		{
+			$event = $this->read($event);
+		}
 
 		$ret = null;
 		if ($event['category'])
@@ -1363,7 +1455,10 @@ 
 	public static function set_cat_rights($cat_id,$user,$rights)
 	{
 		//echo "<p>".__METHOD__."($cat_id,$user,$rights)</p>\n";
-		if (!isset(self::$cat_rights_cache)) self::get_cat_rights($cat_id);
+		if (!isset(self::$cat_rights_cache))
+		{
+			self::get_cat_rights($cat_id);
+		}
 
 		if ((int)$rights != (int)self::$cat_rights_cache['L'.$cat_id][$user])
 		{
@@ -1375,7 +1470,10 @@ 
 			else
 			{
 				unset(self::$cat_rights_cache['L'.$cat_id][$user]);
-				if (!self::$cat_rights_cache['L'.$cat_id]) unset(self::$cat_rights_cache['L'.$cat_id]);
+				if (!self::$cat_rights_cache['L'.$cat_id])
+				{
+					unset(self::$cat_rights_cache['L'.$cat_id]);
+				}
 				$GLOBALS['egw']->acl->delete_repository('calendar','L'.$cat_id,$user);
 			}
 			Api\Cache::setSession('calendar','cat_rights',self::$cat_rights_cache);
@@ -1408,7 +1506,10 @@ 
 				foreach($cat_rights as $uid => $value)
 				{
 					$all |= $value;
-					if (in_array($uid,$memberships)) $own |= $value;
+					if (in_array($uid,$memberships))
+					{
+						$own |= $value;
+					}
 				}
 			}
 			foreach(array(self::CAT_ACL_ADD,self::CAT_ACL_STATUS) as $mask)
@@ -1455,13 +1556,16 @@ 
 				is_numeric($uid)?$uid:substr($uid,1),$status,
 				$recur_date?$this->date2ts($recur_date,true):0,$role)))
 		{
-			if ($status == 'R')	// remove alarms belonging to rejected participants
+			if ($status == 'R')
+			{
+				// remove alarms belonging to rejected participants
 			{
 				foreach(isset($event['alarm']) ? $event['alarm'] : $old_event['alarm'] as $id => $alarm)
 				{
 					if ((string)$alarm['owner'] === (string)$uid)
 					{
 						$this->so->delete_alarm($id);
+			}
 						//error_log(__LINE__.': '.__METHOD__."(".array2string($event).", '$uid', '$status', ...) deleting alarm=".array2string($alarm).", $status=".array2string($alarm));
 					}
 				}
@@ -1475,8 +1579,15 @@ 
 			);
 			if (isset($status2msg[$status]) && !$skip_notification)
 			{
-				if (!is_array($event)) $event = $this->read($cal_id);
-				if (isset($recur_date)) $event = $this->read($event['id'],$recur_date); //re-read the actually edited recurring event
+				if (!is_array($event))
+				{
+					$event = $this->read($cal_id);
+				}
+				if (isset($recur_date))
+				{
+					$event = $this->read($event['id'],$recur_date);
+				}
+				//re-read the actually edited recurring event
 				$this->send_update($status2msg[$status],$event['participants'],$event);
 			}
 
@@ -1499,12 +1610,16 @@ 
 	 */
 	function update_status($new_event, $old_event , $recur_date=0, $skip_notification=false)
 	{
-		if (!isset($new_event['participants'])) return;
+		if (!isset($new_event['participants']))
+		{
+			return;
+		}
 
 		// check the old list against the new list
 		foreach ($old_event['participants'] as $userid => $status)
-  		{
-            if (!isset($new_event['participants'][$userid])){
+		{
+            if (!isset($new_event['participants'][$userid]))
+            {
             	// Attendee will be deleted this way
             	$new_event['participants'][$userid] = 'G';
             }
@@ -1587,7 +1702,10 @@ 
 					}
 					else
 					{
-						if (!($exception = $this->read($id))) continue;
+						if (!($exception = $this->read($id)))
+						{
+							continue;
+						}
 						$exception['uid'] = Api\CalDAV::generate_uid('calendar', $id);
 						$exception['reference'] = $exception['recurrence'] = 0;
 						$this->update($exception, true, true, false, true, $msg=null, true);
@@ -1658,7 +1776,10 @@ 
 		$event_arr = $this->event2array($event);
 		foreach($event_arr as $key => $val)
 		{
-			if ($key == 'recur_type') $key = 'repetition';
+			if ($key == 'recur_type')
+			{
+				$key = 'repetition';
+			}
 			$details[$key] = $val['data'];
 		}
 		$details['participants'] = $details['participants'] ? implode("\n",$details['participants']) : '';
@@ -1830,7 +1951,10 @@ 
 	 */
 	function check_move_alarms(Array &$event, Array $old_event = null, Api\DateTime $instance_date = null)
 	{
-		if ($old_event !== null && $event['start'] == $old_event['start']) return;
+		if ($old_event !== null && $event['start'] == $old_event['start'])
+		{
+			return;
+		}
 
 		$time = new Api\DateTime($event['start']);
 		if(!is_array($event['alarm']))
@@ -1904,7 +2028,10 @@ 
 		if (is_array($old_event) || $old_event > 0)
 		{
 			// preserve categories without users read access
-			if (!is_array($old_event)) $old_event = $this->read($old_event);
+			if (!is_array($old_event))
+			{
+				$old_event = $this->read($old_event);
+			}
 			$old_categories = explode(',',$old_event['category']);
 			$old_cats_preserve = array();
 			if (is_array($old_categories) && count($old_categories) > 0)
@@ -1995,7 +2122,10 @@ 
 				"($filter)[EVENT]:" . array2string($event)."\n",3,$this->logfile);
 		}
 
-		if (!isset($event['recurrence'])) $event['recurrence'] = 0;
+		if (!isset($event['recurrence']))
+		{
+			$event['recurrence'] = 0;
+		}
 
 		if ($filter == 'master')
 		{
@@ -2049,19 +2179,26 @@ 
 							$matchingEvents[] = $egwEvent['id'] . ':' . (int)$event['recurrence'];
 						}
 					}
-				} elseif ($filter != 'master' && ($filter == 'exact' ||
+				}
+				elseif ($filter != 'master' && ($filter == 'exact' ||
 							$event['recur_type'] == $egwEvent['recur_type'] &&
 							strpos($egwEvent['title'], $event['title']) === 0))
 				{
 					$matchingEvents[] = $egwEvent['id']; // we found the event
 				}
 			}
-			if (!empty($matchingEvents) || $filter == 'exact') return $matchingEvents;
+			if (!empty($matchingEvents) || $filter == 'exact')
+			{
+				return $matchingEvents;
+			}
 		}
 		unset($event['id']);
 
 		// No chance to find a master without [U]ID
-		if ($filter == 'master' && empty($event['uid'])) return $matchingEvents;
+		if ($filter == 'master' && empty($event['uid']))
+		{
+			return $matchingEvents;
+		}
 
 		// only query calendars of users, we have READ-grants from
 		$users = array();
@@ -2070,17 +2207,23 @@ 
 			$user = trim($user);
 			if ($this->check_perms(Acl::READ|self::ACL_READ_FOR_PARTICIPANTS|self::ACL_FREEBUSY,0,$user))
 			{
-				if ($user && !in_array($user,$users))	// already added?
+				if ($user && !in_array($user,$users))
+				{
+					// already added?
 				{
 					$users[] = $user;
 				}
+				}
 			}
 			elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g')
 			{
 				continue;	// for non-groups (eg. users), we stop here if we have no read-rights
 			}
 			// the further code is only for real users
-			if (!is_numeric($user)) continue;
+			if (!is_numeric($user))
+			{
+				continue;
+			}
 
 			// for groups we have to include the members
 			if ($GLOBALS['egw']->accounts->get_type($user) == 'g')
@@ -2160,7 +2303,10 @@ 
 			}
 			foreach ($matchFields as $key)
 			{
-				if (isset($event[$key])) $query['cal_'.$key] = $event[$key];
+				if (isset($event[$key]))
+				{
+					$query['cal_'.$key] = $event[$key];
+				}
 			}
 		}
 
@@ -2200,7 +2346,10 @@ 
 					'[FOUND]: ' . array2string($egwEvent)."\n",3,$this->logfile);
 			}
 
-			if (in_array($egwEvent['id'], $matchingEvents)) continue;
+			if (in_array($egwEvent['id'], $matchingEvents))
+			{
+				continue;
+			}
 
 			// convert timezone id of event to tzid (iCal id like 'Europe/Berlin')
 			if (!$egwEvent['tz_id'] || !($egwEvent['tzid'] = calendar_timezones::id2tz($egwEvent['tz_id'])))
@@ -2367,13 +2516,16 @@ 
 					foreach ($event['participants'] as $attendee => $status)
 					{
 						if (!isset($egwEvent['participants'][$attendee]) &&
-								$attendee != $egwEvent['owner']) // ||
+								$attendee != $egwEvent['owner'])
+						{
+							// ||
 							//(!$relax && $egw_event['participants'][$attendee] != $status))
 						{
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 								"() additional event['participants']: $attendee\n",3,$this->logfile);
+						}
 							}
 							continue 2;
 						}
@@ -2695,7 +2847,10 @@ 
 		foreach(array('start','end','recur_enddate','recurrence') as $ts)
 		{
 			// we convert here from server-time to timestamps in user-time!
-			if (isset($event[$ts])) $event[$ts] = $event[$ts] ? $this->date2usertime($event[$ts]) : 0;
+			if (isset($event[$ts]))
+			{
+				$event[$ts] = $event[$ts] ? $this->date2usertime($event[$ts]) : 0;
+			}
 		}
 		// same with the recur exceptions
 		if (isset($event['recur_exception']) && is_array($event['recur_exception']))
@@ -2723,9 +2878,12 @@ 
 	 */
 	function purge($age)
 	{
-		if (is_numeric($age) && $age > 0)	// just make sure bogus values dont delete everything
+		if (is_numeric($age) && $age > 0)
+		{
+			// just make sure bogus values dont delete everything
 		{
 			$this->so->purge(time() - 365*24*3600*(float)$age);
 		}
+		}
 	}
 }

Upper-Lower-Casing +14 added lines, -14 removed lines

@@ -1708,12 +1708,12 @@ 
 	 */
 	function event2array($event)
 	{
-		$var['title'] = Array(
+		$var['title'] = array(
 			'field'		=> lang('Title'),
 			'data'		=> $event['title']
 		);
 
-		$var['description'] = Array(
+		$var['description'] = array(
 			'field'	=> lang('Description'),
 			'data'	=> $event['description']
 		);
@@ -1722,48 +1722,48 @@ 
 		{
 			$cat_string[] = stripslashes(Api\Categories::id2name($cat_id));
 		}
-		$var['category'] = Array(
+		$var['category'] = array(
 			'field'	=> lang('Category'),
 			'data'	=> implode(', ',$cat_string)
 		);
 
-		$var['location'] = Array(
+		$var['location'] = array(
 			'field'	=> lang('Location'),
 			'data'	=> $event['location']
 		);
 
-		$var['startdate'] = Array(
+		$var['startdate'] = array(
 			'field'	=> lang('Start Date/Time'),
 			'data'	=> $this->format_date($event['start']),
 		);
 
-		$var['enddate'] = Array(
+		$var['enddate'] = array(
 			'field'	=> lang('End Date/Time'),
 			'data'	=> $this->format_date($event['end']),
 		);
 
-		$pri = Array(
+		$pri = array(
 			0   => lang('None'),
 			1	=> lang('Low'),
 			2	=> lang('Normal'),
 			3	=> lang('High')
 		);
-		$var['priority'] = Array(
+		$var['priority'] = array(
 			'field'	=> lang('Priority'),
 			'data'	=> $pri[$event['priority']]
 		);
 
-		$var['owner'] = Array(
+		$var['owner'] = array(
 			'field'	=> lang('Owner'),
 			'data'	=> Api\Accounts::username($event['owner'])
 		);
 
-		$var['updated'] = Array(
+		$var['updated'] = array(
 			'field'	=> lang('Updated'),
 			'data'	=> $this->format_date($event['modtime']).', '.Api\Accounts::username($event['modifier'])
 		);
 
-		$var['access'] = Array(
+		$var['access'] = array(
 			'field'	=> lang('Access'),
 			'data'	=> $event['public'] ? lang('Public') : lang('Private')
 		);
@@ -1772,13 +1772,13 @@ 
 		{
 			$participants = $this->participants($event,true);
 		}
-		$var['participants'] = Array(
+		$var['participants'] = array(
 			'field'	=> lang('Participants'),
 			'data'	=> $participants
 		);
 
 		// Repeated Events
-		$var['recur_type'] = Array(
+		$var['recur_type'] = array(
 			'field'	=> lang('Repetition'),
 			'data'	=> ($event['recur_type'] != MCAL_RECUR_NONE) ? $this->recure2string($event) : '',
 		);
@@ -1828,7 +1828,7 @@ 
 	 * @param Api\DateTime $instance_date For recurring events, this is the date we
 	 *	are dealing with
 	 */
-	function check_move_alarms(Array &$event, Array $old_event = null, Api\DateTime $instance_date = null)
+	function check_move_alarms(array &$event, array $old_event = null, Api\DateTime $instance_date = null)
 	{
 		if ($old_event !== null && $event['start'] == $old_event['start']) return;
 

calendar/inc/class.calendar_groupdav.inc.php

Doc Comments +10 added lines, -10 removed lines

@@ -315,7 +315,7 @@ 
 	 *
 	 * @param string $path
 	 * @param array $filter
-	 * @param array|boolean $start =false false=return all or array(start,num)
+	 * @param integer[] $start =false false=return all or array(start,num)
 	 * @return array with "files" array with values for keys path and props
 	 */
 	function propfind_callback($path,array $filter,$start=false)
@@ -620,7 +620,7 @@ 
 	 * @param array &$options
 	 * @param int $id
 	 * @param int $user =null account_id
-	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
+	 * @return string|boolean boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
 	function get(&$options,$id,$user=null)
 	{
@@ -793,7 +793,7 @@ 
 	 * Check if $user is a participant of given $event incl. group-invitations
 	 *
 	 * @param array $event
-	 * @param int|string $user
+	 * @param integer $user
 	 * @return boolean
 	 */
 	public static function isParticipant(array $event, $user)
@@ -810,7 +810,7 @@ 
 	 * @param int $id
 	 * @param int $user =null account_id of owner, default null
 	 * @param string $prefix =null user prefix from path (eg. /ralf from /ralf/addressbook)
-	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
+	 * @return string|boolean boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
 	function put(&$options,$id,$user=null,$prefix=null)
 	{
@@ -1038,7 +1038,7 @@ 
 	 * @param array &$options
 	 * @param int $id
 	 * @param int $user =null account_id of owner, default null
-	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
+	 * @return string|boolean boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
 	function post(&$options,$id,$user=null)
 	{
@@ -1112,7 +1112,7 @@ 
 	 * @param string $charset of ical
 	 * @param int $user account_id of owner
 	 * @param array &$options
-	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
+	 * @return string|boolean boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
 	protected function outbox_freebusy_request($ical, $charset, $user, array &$options)
 	{
@@ -1187,7 +1187,7 @@ 
 	 * @param string $path
 	 * @param array $options
 	 * @param int $user account_id
-	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
+	 * @return string|null boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
 	function free_busy_report($path,$options,$user)
 	{
@@ -1416,7 +1416,7 @@ 
 	/**
 	 * Query ctag for calendar
 	 *
-	 * @return string
+	 * @return integer
 	 */
 	public function getctag($path,$user)
 	{
@@ -1432,7 +1432,7 @@ 
 	 *
 	 * @param array|int $entry array with event or cal_id
 	 * @param string $schedule_tag =null on return schedule-tag
-	 * @return string|boolean string with etag or false
+	 * @return string string with etag or false
 	 */
 	function get_etag($entry, &$schedule_tag=null)
 	{
@@ -1449,7 +1449,7 @@ 
 	 *
 	 * @param int|array $entry id or array of new created entry
 	 * @param string $path
-	 * @param int|string $retval
+	 * @param string|boolean $retval
 	 * @param boolean $path_attr_is_name =true true: path_attr is ca(l|rd)dav_name, false: id (GroupDAV needs Location header)
 	 */
 	function put_response_headers($entry, $path, $retval, $path_attr_is_name=true)

Spacing +148 added lines, -149 removed lines

@@ -141,7 +141,7 @@ 
 	 * @param string $id =''
 	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
-	function propfind($path,&$options,&$files,$user,$id='')
+	function propfind($path, &$options, &$files, $user, $id = '')
 	{
 		if ($this->debug)
 		{
@@ -167,10 +167,10 @@ 
 			'enum_recuring' => false,
 			'daywise' => false,
 			'date_format' => 'server',
-			'no_total' => true,	// we need no total number of rows (saves extra query)
-			'cfs' => array(),	// return custom-fields, as we use them to store X- attributes
+			'no_total' => true, // we need no total number of rows (saves extra query)
+			'cfs' => array(), // return custom-fields, as we use them to store X- attributes
 		);
-		foreach(array(
+		foreach (array(
 			'start' => $GLOBALS['egw_info']['user']['preferences']['groupdav']['calendar-past-limit'],
 			'end' => $GLOBALS['egw_info']['user']['preferences']['groupdav']['calendar-future-limit'],
 		) as $name => $value)
@@ -179,7 +179,7 @@ 
 			{
 				$value = $name == 'start' ? self::PAST_LIMIT : self::FUTURE_LIMIT;
 			}
-			$filter[$name] = $this->bo->now + 24*3600*($name == 'start' ? -1 : 1)*abs($value);
+			$filter[$name] = $this->bo->now + 24 * 3600 * ($name == 'start' ? -1 : 1) * abs($value);
 		}
 		if ($this->client_shared_uid_exceptions)	// do NOT return (non-virtual) exceptions
 		{
@@ -191,13 +191,13 @@ 
 			$filter['filter'] = 'owner';
 		}
 		// scheduling inbox, shows only not yet accepted or rejected events
-		elseif (substr($path,-7) == '/inbox/')
+		elseif (substr($path, -7) == '/inbox/')
 		{
 			$filter['filter'] = 'unknown';
-			$filter['start'] = $this->bo->now;	// only return future invitations
+			$filter['start'] = $this->bo->now; // only return future invitations
 		}
 		// ToDo: not sure what scheduling outbox is supposed to show, leave it empty for now
-		elseif (substr($path,-8) == '/outbox/')
+		elseif (substr($path, -8) == '/outbox/')
 		{
 			return true;
 		}
@@ -214,7 +214,7 @@ 
 			// when trying to request not supported components, eg. VTODO on a calendar collection
 			return true;
 		}
-		if ($id) $path = dirname($path).'/';	// caldav_name get's added anyway in the callback
+		if ($id) $path = dirname($path).'/'; // caldav_name get's added anyway in the callback
 
 		if ($this->debug > 1)
 		{
@@ -231,7 +231,7 @@ 
 
 			$this->sync_collection_token = null;
 
-			$filter['order'] = 'cal_modified ASC';	// return oldest modifications first
+			$filter['order'] = 'cal_modified ASC'; // return oldest modifications first
 			$filter['sync-collection'] = true;
 			// no end-date / limit into the future, as unchanged entries would never be transferted later on
 			unset($filter['end']);
@@ -239,7 +239,7 @@ 
 
 		if (isset($nresults))
 		{
-			unset($filter['no_total']);	// we need the total!
+			unset($filter['no_total']); // we need the total!
 			$files['files'] = $this->propfind_callback($path, $filter, array(0, (int)$nresults));
 
 			// hack to support limit with sync-collection report: events are returned in modified ASC order (oldest first)
@@ -248,13 +248,13 @@ 
 			if ($options['root']['name'] == 'sync-collection' && $this->bo->total > $nresults)
 			{
 				--$this->sync_collection_token;
-				$files['sync-token-params'][] = true;	// tel get_sync_collection_token that we have more entries
+				$files['sync-token-params'][] = true; // tel get_sync_collection_token that we have more entries
 			}
 		}
 		else
 		{
 			// return iterator, calling ourself to return result in chunks
-			$files['files'] = new Api\CalDAV\PropfindIterator($this,$path,$filter,$files['files']);
+			$files['files'] = new Api\CalDAV\PropfindIterator($this, $path, $filter, $files['files']);
 		}
 		if (isset($_GET['download']))
 		{
@@ -274,9 +274,9 @@ 
 		Api\Header\Content::type('calendar.ics', 'text/calendar');
 
 		$n = 0;
-		foreach($files as $file)
+		foreach ($files as $file)
 		{
-			if (!$n++) continue;	// first entry is collection itself
+			if (!$n++) continue; // first entry is collection itself
 
 			$icalendar = $file['props']['calendar-data']['val'];
 			if (($start = strpos($icalendar, 'BEGIN:VEVENT')) !== false &&
@@ -300,7 +300,7 @@ 
 						echo substr($icalendar, 0, $start);
 					}
 				}
-				echo substr($icalendar, $start, $end-$start);
+				echo substr($icalendar, $start, $end - $start);
 			}
 		}
 		if ($icalendar && $end)
@@ -318,12 +318,12 @@ 
 	 * @param array|boolean $start =false false=return all or array(start,num)
 	 * @return array with "files" array with values for keys path and props
 	 */
-	function propfind_callback($path,array $filter,$start=false)
+	function propfind_callback($path, array $filter, $start = false)
 	{
 		if ($this->debug) $starttime = microtime(true);
 
 		$calendar_data = $this->caldav->prop_requested('calendar-data', Api\CalDAV::CALDAV, true);
-		if (!is_array($calendar_data)) $calendar_data = false;	// not in allprop or autoindex
+		if (!is_array($calendar_data)) $calendar_data = false; // not in allprop or autoindex
 
 		$files = array();
 
@@ -335,11 +335,11 @@ 
 		$requested_multiget_ids = (array)$filter['query'][self::$path_attr];
 		$sync_collection = $filter['sync-collection'];
 
-		$events =& $this->bo->search($filter);
+		$events = & $this->bo->search($filter);
 
 		if ($events)
 		{
-			foreach($events as $event)
+			foreach ($events as $event)
 			{
 				// remove event from requested multiget ids, to be able to report not found urls
 				if ($requested_multiget_ids && ($k = array_search($event[self::$path_attr], $requested_multiget_ids)) !== false)
@@ -347,7 +347,7 @@ 
 					unset($requested_multiget_ids[$k]);
 				}
 				// sync-collection report: deleted entries need to be reported without properties, same for rejected or deleted invitations
-				if ($sync_collection && ($event['deleted'] || in_array($event['participants'][$filter['users']][0], array('R','X'))))
+				if ($sync_collection && ($event['deleted'] || in_array($event['participants'][$filter['users']][0], array('R', 'X'))))
 				{
 					$files[] = array('path' => $path.urldecode($this->get_path($event)));
 					continue;
@@ -375,10 +375,9 @@ 
 				{
 					$content = $this->iCal($event, $filter['users'],
 						strpos($path, '/inbox/') !== false ? 'REQUEST' : null,
-						!isset($calendar_data['children']['expand']) ? false :
-							($calendar_data['children']['expand']['attrs'] ? $calendar_data['children']['expand']['attrs'] : true));
+						!isset($calendar_data['children']['expand']) ? false : ($calendar_data['children']['expand']['attrs'] ? $calendar_data['children']['expand']['attrs'] : true));
 					$props['getcontentlength'] = bytes($content);
-					$props['calendar-data'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-data',$content);
+					$props['calendar-data'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-data', $content);
 				}
 				/* Calendarserver reports new events with schedule-changes: action: create, which iCal request
 				 * adding it, unfortunately does not lead to showing the new event in the users inbox
@@ -397,7 +396,7 @@ 
 		// report not found multiget urls
 		if ($requested_multiget_ids)
 		{
-			foreach($requested_multiget_ids as $id)
+			foreach ($requested_multiget_ids as $id)
 			{
 				$files[] = array('path' => $path.$id.self::$path_extension);
 			}
@@ -433,7 +432,7 @@ 
 	private function _created_updated_by_prop($user, $time)
 	{
 		$props = array();
-		foreach(array(
+		foreach (array(
 			'first-name' => 'account_firstname',
 			'last-name' => 'account_lastname',
 			'href' => 'account_email',
@@ -476,23 +475,23 @@ 
 			$cal_end = $cal_filters['end']; unset($cal_filters['end']);
 			$num_filters = count($cal_filters);
 
-			foreach($options['filters'] as $filter)
+			foreach ($options['filters'] as $filter)
 			{
-				switch($filter['name'])
+				switch ($filter['name'])
 				{
 					case 'comp-filter':
 						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
 
-						switch($filter['attrs']['name'])
+						switch ($filter['attrs']['name'])
 						{
 							case 'VTODO':
-								return false;	// return nothing for now, todo: check if we can pass it on to the infolog handler
+								return false; // return nothing for now, todo: check if we can pass it on to the infolog handler
 								// todos are handled by the infolog handler
 								//$infolog_handler = new groupdav_infolog();
 								//return $infolog_handler->propfind($options['path'],$options,$options['files'],$user,$method);
 							case 'VCALENDAR':
 							case 'VEVENT':
-								break;			// that's our default anyway
+								break; // that's our default anyway
 						}
 						break;
 					case 'prop-filter':
@@ -515,14 +514,14 @@ 
 						if ($this->debug) error_log(__METHOD__."($options[path],...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
 						break;
 					case 'time-range':
-				 		if ($this->debug > 1) error_log(__FILE__ . __METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
+				 		if ($this->debug > 1) error_log(__FILE__.__METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
 				 		if (!empty($filter['attrs']['start']))
 				 		{
 					 		$cal_filters['start'] = $this->vCalendar->_parseDateTime($filter['attrs']['start']);
 				 		}
 				 		if (!empty($filter['attrs']['end']))
 				 		{
-					 		$cal_filters['end']   = $this->vCalendar->_parseDateTime($filter['attrs']['end']);
+					 		$cal_filters['end'] = $this->vCalendar->_parseDateTime($filter['attrs']['end']);
 				 		}
 						break;
 					default:
@@ -543,9 +542,9 @@ 
 		    <B:nresults>10</B:nresults>
 		  </B:limit>
 		*/
-		foreach((array)$options['other'] as $option)
+		foreach ((array)$options['other'] as $option)
 		{
-			switch($option['name'])
+			switch ($option['name'])
 			{
 				case 'nresults':
 					$nresults = (int)$option['data'];
@@ -554,7 +553,7 @@ 
 				case 'limit':
 					break;
 				case 'href':
-					break;	// from addressbook-multiget, handled below
+					break; // from addressbook-multiget, handled below
 				// rfc 6578 sync-report
 				case 'sync-token':
 					if (!empty($option['data']))
@@ -562,7 +561,7 @@ 
 						$parts = explode('/', $option['data']);
 						$sync_token = array_pop($parts);
 						$cal_filters['query'][] = 'cal_modified>'.(int)$sync_token;
-						$cal_filters['filter'] = 'everything';	// to return deleted entries too
+						$cal_filters['filter'] = 'everything'; // to return deleted entries too
 						// no standard time-range!
 						unset($cal_filters['start']);
 					}
@@ -591,25 +590,25 @@ 
 			if ($id)
 			{
 				$cal_filters['query'][self::$path_attr] = self::$path_extension ?
-					basename($id,self::$path_extension) : $id;
+					basename($id, self::$path_extension) : $id;
 			}
 			else	// fetch all given url's
 			{
-				foreach($options['other'] as $option)
+				foreach ($options['other'] as $option)
 				{
 					if ($option['name'] == 'href')
 					{
-						$parts = explode('/',$option['data']);
+						$parts = explode('/', $option['data']);
 						if (($id = urldecode(array_pop($parts))))
 						{
 							$cal_filters['query'][self::$path_attr][] = self::$path_extension ?
-								basename($id,self::$path_extension) : $id;
+								basename($id, self::$path_extension) : $id;
 						}
 					}
 				}
 			}
 
-			if ($this->debug > 1) error_log(__FILE__ . __METHOD__ ."($options[path],...,$id) calendar-multiget: ids=".implode(',',$ids).', cal_filters='.array2string($cal_filters));
+			if ($this->debug > 1) error_log(__FILE__.__METHOD__."($options[path],...,$id) calendar-multiget: ids=".implode(',', $ids).', cal_filters='.array2string($cal_filters));
 		}
 		return true;
 	}
@@ -622,9 +621,9 @@ 
 	 * @param int $user =null account_id
 	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
-	function get(&$options,$id,$user=null)
+	function get(&$options, $id, $user = null)
 	{
-		if (!is_array($event = $this->_common_get_put_delete('GET',$options,$id)))
+		if (!is_array($event = $this->_common_get_put_delete('GET', $options, $id)))
 		{
 			return $event;
 		}
@@ -652,7 +651,7 @@ 
 	 * @param boolean|array $expand =false true or array with values for 'start', 'end' to expand recurrences
 	 * @return string
 	 */
-	private function iCal(array $event,$user=null, $method=null, $expand=false)
+	private function iCal(array $event, $user = null, $method = null, $expand = false)
 	{
 		static $handler = null;
 		if (is_null($handler)) $handler = $this->_get_handler();
@@ -676,11 +675,11 @@ 
 				if (isset($expand['start'])) $expand['start'] = $this->vCalendar->_parseDateTime($expand['start']);
 				if (isset($expand['end'])) $expand['end'] = $this->vCalendar->_parseDateTime($expand['end']);
 			}
-			$events =& self::get_series($event['uid'], $this->bo, $expand, $user);
+			$events = & self::get_series($event['uid'], $this->bo, $expand, $user);
 		}
-		elseif(!$this->client_shared_uid_exceptions && $event['reference'])
+		elseif (!$this->client_shared_uid_exceptions && $event['reference'])
 		{
-			$events[0]['uid'] .= '-'.$event['id'];	// force a different uid
+			$events[0]['uid'] .= '-'.$event['id']; // force a different uid
 		}
 		return $handler->exportVCal($events, '2.0', $method);
 	}
@@ -696,20 +695,20 @@ 
 	 * @param int $user =null account_id of calendar to display, to remove master, if current user does not participate in
 	 * @return array
 	 */
-	private static function &get_series($uid,calendar_bo $bo=null, $expand=false, $user=null)
+	private static function &get_series($uid, calendar_bo $bo = null, $expand = false, $user = null)
 	{
 		if (is_null($bo)) $bo = new calendar_bopdate();
 
 		$params = array(
 			'query' => array('cal_uid' => $uid),
-			'filter' => 'owner',  // return all possible entries
+			'filter' => 'owner', // return all possible entries
 			'daywise' => false,
 			'date_format' => 'server',
-			'cfs' => array(),	// read cfs as we use them to store X- attributes
+			'cfs' => array(), // read cfs as we use them to store X- attributes
 		);
 		if (is_array($expand)) $params += $expand;
 
-		if (!($events =& $bo->search($params)))
+		if (!($events = & $bo->search($params)))
 		{
 			return array();
 		}
@@ -717,12 +716,12 @@ 
 		// find master, which is not always first event, eg. when first event is an exception
 		$master = null;
 		$exceptions = array();
-		foreach($events as $k => &$recurrence)
+		foreach ($events as $k => &$recurrence)
 		{
 			if ($recurrence['recur_type'])
 			{
 				$master = $recurrence;
-				$exceptions =& $master['recur_exception'];
+				$exceptions = & $master['recur_exception'];
 				unset($events[$k]);
 				break;
 			}
@@ -730,7 +729,7 @@ 
 		// if recurring event starts in future behind horizont, nothing will be returned by bo::search()
 		if (!isset($master)) $master = $bo->read($uid);
 
-		foreach($events as $k => &$recurrence)
+		foreach ($events as $k => &$recurrence)
 		{
 			//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."($uid)[$k]:" . array2string($recurrence));
 			if (!$master || $recurrence['id'] != $master['id'])	// real exception
@@ -752,16 +751,16 @@ 
 				// at least Lightning "understands" EXDATE as exception from what's included
 				// in the whole resource / VCALENDAR component
 				// not removing it causes Lightning to remove the exception itself
-				if (($e = array_search($recurrence['recurrence'],$exceptions)) !== false)
+				if (($e = array_search($recurrence['recurrence'], $exceptions)) !== false)
 				{
 					unset($exceptions[$e]);
 				}
-				continue;	// nothing to change
+				continue; // nothing to change
 			}
 			// alarms are reported on recurrences --> move them to master
 			if ($master)
 			{
-				foreach($recurrence['alarm'] as $alarm)
+				foreach ($recurrence['alarm'] as $alarm)
 				{
 					$master['alarm'][] = $alarm;
 				}
@@ -771,14 +770,14 @@ 
 			if (!$expand && $master && $master['participants'] == $recurrence['participants'])
 			{
 				//error_log('NO exception: '.array2string($recurrence));
-				unset($events[$k]);	// no exception --> remove it
+				unset($events[$k]); // no exception --> remove it
 				continue;
 			}
 			// this is a virtual exception now (no extra event/cal_id in DB)
 			//error_log('virtual exception: '.array2string($recurrence));
 			$recurrence['recurrence'] = $recurrence['start'];
 			if ($master) $recurrence['reference'] = $master['id'];
-			$recurrence['recur_type'] = MCAL_RECUR_NONE;	// is set, as this is a copy of the master
+			$recurrence['recur_type'] = MCAL_RECUR_NONE; // is set, as this is a copy of the master
 			// not for included exceptions (Lightning): $master['recur_exception'][] = $recurrence['start'];
 		}
 		// only add master if we are not expanding and current user participates in master (and not just some exceptions)
@@ -812,23 +811,23 @@ 
 	 * @param string $prefix =null user prefix from path (eg. /ralf from /ralf/addressbook)
 	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
-	function put(&$options,$id,$user=null,$prefix=null)
+	function put(&$options, $id, $user = null, $prefix = null)
 	{
-		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
+		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options, true));
 
-		if (!$prefix) $user = null;	// /infolog/ does not imply setting the current user (for new entries it's done anyway)
+		if (!$prefix) $user = null; // /infolog/ does not imply setting the current user (for new entries it's done anyway)
 
 		// fix for iCal4OL using WinHTTP only supporting a certain header length
 		if (isset($_SERVER['HTTP_IF_SCHEDULE']) && !isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']))
 		{
 			$_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH'] = $_SERVER['HTTP_IF_SCHEDULE'];
 		}
-		$return_no_access = true;	// as handled by importVCal anyway and allows it to set the status for participants
-		$oldEvent = $this->_common_get_put_delete('PUT',$options,$id,$return_no_access,
-			isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']));	// dont fail with 412 Precondition Failed in that case
+		$return_no_access = true; // as handled by importVCal anyway and allows it to set the status for participants
+		$oldEvent = $this->_common_get_put_delete('PUT', $options, $id, $return_no_access,
+			isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH'])); // dont fail with 412 Precondition Failed in that case
 		if (!is_null($oldEvent) && !is_array($oldEvent))
 		{
-			if ($this->debug) error_log(__METHOD__.': '.print_r($oldEvent,true).function_backtrace());
+			if ($this->debug) error_log(__METHOD__.': '.print_r($oldEvent, true).function_backtrace());
 			return $oldEvent;
 		}
 
@@ -859,7 +858,7 @@ 
 					switch (strtolower($key))
 					{
 						case 'charset':
-							$charset = strtoupper(substr($value,1,-1));
+							$charset = strtoupper(substr($value, 1, -1));
 					}
 				}
 			}
@@ -915,7 +914,7 @@ 
 				if (($events = $handler->icaltoegw($vCalendar)))
 				{
 					$modified = 0;
-					foreach($events as $n => $event)
+					foreach ($events as $n => $event)
 					{
 						// for recurrances of event series, we need to read correct recurrence (or if series master is no first event)
 						if ($event['recurrence'] || $n && !$event['recurrence'] || isset($series))
@@ -926,7 +925,7 @@ 
 								$series = self::get_series($event['uid'], $this->bo);
 								//foreach($series as $s => $sEvent) error_log("series[$s]: ".array2string($sEvent));
 							}
-							foreach($series as $oldEvent)
+							foreach ($series as $oldEvent)
 							{
 								if ($oldEvent['recurrence'] == $event['recurrence']) break;
 							}
@@ -991,9 +990,9 @@ 
 					isset($oldEvent['participants'][$GLOBALS['egw_info']['user']['account_id']]))
 				{
 					// just update etag in database
-					$GLOBALS['egw']->db->update($this->bo->so->cal_table,'cal_etag=cal_etag+1',array(
+					$GLOBALS['egw']->db->update($this->bo->so->cal_table, 'cal_etag=cal_etag+1', array(
 						'cal_id' => $eventId,
-					),__LINE__,__FILE__,'calendar');
+					), __LINE__, __FILE__, 'calendar');
 				}
 			}
 		}
@@ -1040,9 +1039,9 @@ 
 	 * @param int $user =null account_id of owner, default null
 	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
-	function post(&$options,$id,$user=null)
+	function post(&$options, $id, $user = null)
 	{
-		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
+		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options, true));
 
 		$vCalendar = htmlspecialchars_decode($options['content']);
 		$charset = null;
@@ -1059,13 +1058,13 @@ 
 					switch (strtolower($key))
 					{
 						case 'charset':
-							$charset = strtoupper(substr($value,1,-1));
+							$charset = strtoupper(substr($value, 1, -1));
 					}
 				}
 			}
 		}
 
-		if (substr($options['path'],-8) == '/outbox/')
+		if (substr($options['path'], -8) == '/outbox/')
 		{
 			if (preg_match('/^METHOD:REQUEST(\r\n|\r|\n)(.*)^BEGIN:VFREEBUSY/ism', $vCalendar))
 			{
@@ -1116,7 +1115,7 @@ 
 	 */
 	protected function outbox_freebusy_request($ical, $charset, $user, array &$options)
 	{
-		unset($options);	// not used, but required by function signature
+		unset($options); // not used, but required by function signature
 
 		$vcal = new Horde_Icalendar();
 		if (!$vcal->parsevCalendar($ical, 'VCALENDAR', $charset))
@@ -1129,7 +1128,7 @@ 
 
 		$handler = $this->_get_handler();
 		$handler->setSupportedFields('groupdav');
-		$handler->calendarOwner = $handler->user = 0;	// to NOT default owner/organizer to something
+		$handler->calendarOwner = $handler->user = 0; // to NOT default owner/organizer to something
 		if (!($component = $vcal->getComponent(0)) ||
 			!($event = $handler->vevent2egw($component, $version, $handler->supportedFields, $this->caldav->current_user_principal, 'Horde_Icalendar_Vfreebusy')))
 		{
@@ -1154,13 +1153,13 @@ 
 		$xml->startDocument('1.0', 'UTF-8');
 		$xml->startElementNs('C', 'schedule-response', Api\CalDAV::CALDAV);
 
-		foreach(array_keys($event['participants']) as $uid)
+		foreach (array_keys($event['participants']) as $uid)
 		{
 			$xml->startElementNs('C', 'response', null);
 
 			$xml->startElementNs('C', 'recipient', null);
-			$xml->writeElementNs('D', 'href', 'DAV:', $attendee=array_shift($attendees));
-			$xml->endElement();	// recipient
+			$xml->writeElementNs('D', 'href', 'DAV:', $attendee = array_shift($attendees));
+			$xml->endElement(); // recipient
 
 			$xml->writeElementNs('C', 'request-status', null, '2.0;Success');
 			$xml->writeElementNs('C', 'calendar-data', null,
@@ -1168,13 +1167,13 @@ 
 					'UID' => $event['uid'],
 					'ORGANIZER' => $organizer,
 					'ATTENDEE' => $attendee,
-				)+(empty($mask_uid) || !is_string($mask_uid) ? array() : array(
+				) + (empty($mask_uid) || !is_string($mask_uid) ? array() : array(
 					'X-CALENDARSERVER-MASK-UID' => $mask_uid,
 				))));
 
-			$xml->endElement();	// response
+			$xml->endElement(); // response
 		}
-		$xml->endElement();	// schedule-response
+		$xml->endElement(); // schedule-response
 		$xml->endDocument();
 		echo $xml->outputMemory();
 
@@ -1189,14 +1188,14 @@ 
 	 * @param int $user account_id
 	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
-	function free_busy_report($path,$options,$user)
+	function free_busy_report($path, $options, $user)
 	{
-		unset($path);	// unused, but required by function signature
+		unset($path); // unused, but required by function signature
 		if (!$this->bo->check_perms(calendar_bo::ACL_FREEBUSY, 0, $user))
 		{
 			return '403 Forbidden';
 		}
-		foreach($options['other'] as $filter)
+		foreach ($options['other'] as $filter)
 		{
 			if ($filter['name'] == 'time-range')
 			{
@@ -1208,7 +1207,7 @@ 
 		header('Content-Type: text/calendar');
 		echo $handler->freebusy($user, $end, true, 'utf-8', $start, 'REPLY', array());
 
-		exit();	// otherwise we get a 207 multistatus, not 200 Ok
+		exit(); // otherwise we get a 207 multistatus, not 200 Ok
 	}
 
 	/**
@@ -1220,7 +1219,7 @@ 
 	 * @param int $user =null owner of the collection, default current user
 	 * @return array with privileges
 	 */
-	public function current_user_privileges($path, $user=null)
+	public function current_user_privileges($path, $user = null)
 	{
 		$privileges = parent::current_user_privileges($path, $user);
 		//error_log(__METHOD__."('$path', $user) parent gave ".array2string($privileges));
@@ -1263,7 +1262,7 @@ 
 
 		// get array with orginal recurrences indexed by recurrence-id
 		$org_recurrences = $exceptions = array();
-		foreach(self::get_series($events[0]['uid'],$bo) as $k => $event)
+		foreach (self::get_series($events[0]['uid'], $bo) as $k => $event)
 		{
 			if (!$k) $master = $event;
 			if ($event['recurrence'])
@@ -1273,13 +1272,13 @@ 
 		}
 
 		// assign cal_id's to already existing recurrences and evtl. re-add recur_exception to master
-		foreach($events as $k => &$recurrence)
+		foreach ($events as $k => &$recurrence)
 		{
 			if (!$recurrence['recurrence'])
 			{
 				// master
 				$recurrence['id'] = $master['id'];
-				$master =& $events[$k];
+				$master = & $events[$k];
 				continue;
 			}
 
@@ -1303,12 +1302,12 @@ 
 		$master['recur_exception'] = array_merge($exceptions, $master['recur_exception']);
 
 		// delete not longer existing recurrences
-		foreach($org_recurrences as $org_recurrence)
+		foreach ($org_recurrences as $org_recurrence)
 		{
 			if ($org_recurrence['id'] != $master['id'])	// non-virtual recurrence
 			{
 				//error_log(__METHOD__.'() deleting #'.$org_recurrence['id']);
-				$bo->delete($org_recurrence['id']);	// might fail because of permissions
+				$bo->delete($org_recurrence['id']); // might fail because of permissions
 			}
 			else	// virtual recurrence
 			{
@@ -1329,25 +1328,25 @@ 
 	 * @param int $id
 	 * @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
 	 */
-	function delete(&$options,$id)
+	function delete(&$options, $id)
 	{
 		if (strpos($options['path'], '/inbox/') !== false)
 		{
-			return true;	// simply ignore DELETE in inbox for now
+			return true; // simply ignore DELETE in inbox for now
 		}
-		$return_no_access = true;	// to allow to check if current use is a participant and reject the event for him
-		if (!is_array($event = $this->_common_get_put_delete('DELETE',$options,$id,$return_no_access)) || !$return_no_access)
+		$return_no_access = true; // to allow to check if current use is a participant and reject the event for him
+		if (!is_array($event = $this->_common_get_put_delete('DELETE', $options, $id, $return_no_access)) || !$return_no_access)
 		{
  			if (!$return_no_access)
 			{
 				// check if user is a participant or one of the groups he is a member of --> reject the meeting request
 				$ret = '403 Forbidden';
 				$memberships = $GLOBALS['egw']->accounts->memberships($this->bo->user, true);
-				foreach(array_keys($event['participants']) as $uid)
+				foreach (array_keys($event['participants']) as $uid)
 				{
 					if ($this->bo->user == $uid || in_array($uid, $memberships))
 					{
-						$this->bo->set_status($event,$this->bo->user, 'R');
+						$this->bo->set_status($event, $this->bo->user, 'R');
 						$ret = true;
 						break;
 					}
@@ -1362,7 +1361,7 @@ 
 		{
 			$ret = $this->bo->delete($event['id']);
 		}
-		if ($this->debug) error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string(is_array($event)?$event['participants']:null).", user={$this->bo->user} --> return ".array2string($ret));
+		if ($this->debug) error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string(is_array($event) ? $event['participants'] : null).", user={$this->bo->user} --> return ".array2string($ret));
 		return $ret;
 	}
 
@@ -1377,12 +1376,12 @@ 
 	 */
 	function read($id)
 	{
-		if (strpos($column=self::$path_attr,'_') === false) $column = 'cal_'.$column;
+		if (strpos($column = self::$path_attr, '_') === false) $column = 'cal_'.$column;
 
 		$event = $this->bo->read(array($column => $id, 'cal_deleted IS NULL', 'cal_reference=0'), null, true, 'server');
-		if ($event) $event = array_shift($event);	// read with array as 1. param, returns an array of events!
+		if ($event) $event = array_shift($event); // read with array as 1. param, returns an array of events!
 
-		if (!($retval = $this->bo->check_perms(calendar_bo::ACL_FREEBUSY,$event, 0, 'server')) &&
+		if (!($retval = $this->bo->check_perms(calendar_bo::ACL_FREEBUSY, $event, 0, 'server')) &&
 			// above can be true, if current user is not in master but just a recurrence
 			(!$event['recur_type'] || !($events = self::get_series($event['uid'], $this->bo))))
 		{
@@ -1418,11 +1417,11 @@ 
 	 *
 	 * @return string
 	 */
-	public function getctag($path,$user)
+	public function getctag($path, $user)
 	{
-		$ctag = $this->bo->get_ctag($user,$path == '/calendar/' ? 'owner' : 'default'); // default = not rejected
+		$ctag = $this->bo->get_ctag($user, $path == '/calendar/' ? 'owner' : 'default'); // default = not rejected
 
-		if ($this->debug > 1) error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($path)[$user] = $ctag");
+		if ($this->debug > 1) error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."($path)[$user] = $ctag");
 
 		return $ctag;
 	}
@@ -1434,7 +1433,7 @@ 
 	 * @param string $schedule_tag =null on return schedule-tag
 	 * @return string|boolean string with etag or false
 	 */
-	function get_etag($entry, &$schedule_tag=null)
+	function get_etag($entry, &$schedule_tag = null)
 	{
 		$etag = $this->bo->get_etag($entry, $schedule_tag, $this->client_shared_uid_exceptions);
 
@@ -1452,7 +1451,7 @@ 
 	 * @param int|string $retval
 	 * @param boolean $path_attr_is_name =true true: path_attr is ca(l|rd)dav_name, false: id (GroupDAV needs Location header)
 	 */
-	function put_response_headers($entry, $path, $retval, $path_attr_is_name=true)
+	function put_response_headers($entry, $path, $retval, $path_attr_is_name = true)
 	{
 		$schedule_tag = null;
 		$etag = $this->get_etag($entry, $schedule_tag);
@@ -1471,14 +1470,14 @@ 
 	 * @param array|int $event event-array or id
 	 * @return boolean null if entry does not exist, false if no access, true if access permitted
 	 */
-	function check_access($acl,$event)
+	function check_access($acl, $event)
 	{
 		if ($acl == Acl::READ)
 		{
 			// we need at least calendar_bo::ACL_FREEBUSY to get some information
 			$acl = calendar_bo::ACL_FREEBUSY;
 		}
-		return $this->bo->check_perms($acl,$event,0,'server');
+		return $this->bo->check_perms($acl, $event, 0, 'server');
 	}
 
 	/**
@@ -1491,53 +1490,53 @@ 
 	 * @param string $path =null path of the collection
 	 * @return array
 	 */
-	public function extra_properties(array $props, $displayname, $base_uri=null, $user=null, $path=null)
+	public function extra_properties(array $props, $displayname, $base_uri = null, $user = null, $path = null)
 	{
-		unset($base_uri);	// unused, but required by function signature
+		unset($base_uri); // unused, but required by function signature
 		if (!isset($props['calendar-description']))
 		{
 			// default calendar description: can be overwritten via PROPPATCH, in which case it's already set
-			$props['calendar-description'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-description',$displayname);
+			$props['calendar-description'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-description', $displayname);
 		}
 		$supported_components = array(
-			Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'comp',array('name' => 'VCALENDAR')),
-			Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'comp',array('name' => 'VEVENT')),
+			Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'comp', array('name' => 'VCALENDAR')),
+			Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'comp', array('name' => 'VEVENT')),
 		);
 		// outbox supports VFREEBUSY too, it is required from OS X iCal to autocomplete locations
-		if (substr($path,-8) == '/outbox/')
+		if (substr($path, -8) == '/outbox/')
 		{
-			$supported_components[] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'comp',array('name' => 'VFREEBUSY'));
+			$supported_components[] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'comp', array('name' => 'VFREEBUSY'));
 		}
 		$props['supported-calendar-component-set'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV,
-			'supported-calendar-component-set',$supported_components);
+			'supported-calendar-component-set', $supported_components);
 		// supported reports
 		$props['supported-report-set'] = array(
-			'calendar-query' => Api\CalDAV::mkprop('supported-report',array(
-				Api\CalDAV::mkprop('report',array(
-					Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-query',''))))),
-			'calendar-multiget' => Api\CalDAV::mkprop('supported-report',array(
-				Api\CalDAV::mkprop('report',array(
-					Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-multiget',''))))),
-			'free-busy-query' => Api\CalDAV::mkprop('supported-report',array(
-				Api\CalDAV::mkprop('report',array(
-					Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'free-busy-query',''))))),
+			'calendar-query' => Api\CalDAV::mkprop('supported-report', array(
+				Api\CalDAV::mkprop('report', array(
+					Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-query', ''))))),
+			'calendar-multiget' => Api\CalDAV::mkprop('supported-report', array(
+				Api\CalDAV::mkprop('report', array(
+					Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-multiget', ''))))),
+			'free-busy-query' => Api\CalDAV::mkprop('supported-report', array(
+				Api\CalDAV::mkprop('report', array(
+					Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'free-busy-query', ''))))),
 		);
 		// rfc 6578 sync-collection report for everything but outbox
 		// only if "delete-prevention" is switched on (deleted entries get marked deleted but not actualy deleted
 		if (strpos($path, '/outbox/') === false && $GLOBALS['egw_info']['server']['calendar_delete_history'])
 		{
-			$props['supported-report-set']['sync-collection'] = Api\CalDAV::mkprop('supported-report',array(
-				Api\CalDAV::mkprop('report',array(
-					Api\CalDAV::mkprop('sync-collection','')))));
+			$props['supported-report-set']['sync-collection'] = Api\CalDAV::mkprop('supported-report', array(
+				Api\CalDAV::mkprop('report', array(
+					Api\CalDAV::mkprop('sync-collection', '')))));
 		}
-		$props['supported-calendar-data'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'supported-calendar-data',array(
-			Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-data', array('content-type' => 'text/calendar', 'version'=> '2.0')),
-			Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-data', array('content-type' => 'text/x-calendar', 'version'=> '1.0'))));
+		$props['supported-calendar-data'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'supported-calendar-data', array(
+			Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-data', array('content-type' => 'text/calendar', 'version'=> '2.0')),
+			Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-data', array('content-type' => 'text/x-calendar', 'version'=> '1.0'))));
 
 		// get timezone of calendar
 		if ($this->caldav->prop_requested('calendar-timezone'))
 		{
-			$props['calendar-timezone'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV,'calendar-timezone',
+			$props['calendar-timezone'] = Api\CalDAV::mkprop(Api\CalDAV::CALDAV, 'calendar-timezone',
 				calendar_timezones::user_timezone($user));
 		}
 		return $props;
@@ -1551,9 +1550,9 @@ 
 	private function _get_handler()
 	{
 		$handler = new calendar_ical();
-		$handler->setSupportedFields('GroupDAV',$this->agent);
-		$handler->supportedFields['attachments'] = true;	// enabling attachments
-		if ($this->debug > 1) error_log("ical Handler called: " . $this->agent);
+		$handler->setSupportedFields('GroupDAV', $this->agent);
+		$handler->supportedFields['attachments'] = true; // enabling attachments
+		if ($this->debug > 1) error_log("ical Handler called: ".$this->agent);
 		return $handler;
 	}
 
@@ -1568,7 +1567,7 @@ 
 		$pref = $GLOBALS['egw_info']['user']['preferences']['groupdav']['calendar-home-set'];
 		$calendar_home_set = $pref ? explode(',', $pref) : array();
 		// replace symbolic id's with real nummeric id's
-		foreach(array(
+		foreach (array(
 			'G' => $GLOBALS['egw_info']['user']['account_primary_group'],
 		) as $sym => $id)
 		{
@@ -1577,11 +1576,11 @@ 
 				$calendar_home_set[$key] = $id;
 			}
 		}
-		foreach(ExecMethod('calendar.calendar_bo.list_cals') as $entry)
+		foreach (ExecMethod('calendar.calendar_bo.list_cals') as $entry)
 		{
 			$id = $entry['grantor'];
-			if ($id && $GLOBALS['egw_info']['user']['account_id'] != $id &&	// no current user
-				(in_array('A',$calendar_home_set) || in_array((string)$id,$calendar_home_set)) &&
+			if ($id && $GLOBALS['egw_info']['user']['account_id'] != $id && // no current user
+				(in_array('A', $calendar_home_set) || in_array((string)$id, $calendar_home_set)) &&
 				is_numeric($id) && ($owner = $this->accounts->id2name($id)))
 			{
 				$shared[$id] = 'calendar-'.$owner;
@@ -1590,11 +1589,11 @@ 
 		// shared locations and resources
 		if ($GLOBALS['egw_info']['user']['apps']['resources'])
 		{
-			foreach(array('locations','resources') as $res)
+			foreach (array('locations', 'resources') as $res)
 			{
 				if (($pref = $GLOBALS['egw_info']['user']['preferences']['groupdav']['calendar-home-set-'.$res]))
 				{
-					foreach(explode(',', $pref) as $res_id)
+					foreach (explode(',', $pref) as $res_id)
 					{
 						$is_location = $res == 'locations';
 						$shared['r'.$res_id] = str_replace('s/', '-', Api\CalDAV\Principals::resource2name($res_id, $is_location));
@@ -1624,7 +1623,7 @@ 
 			{
 				$calendars[$entry['grantor']] = $entry['name'];
 			}
-			if ($user > 0) unset($calendars[$user]);	// skip current user
+			if ($user > 0) unset($calendars[$user]); // skip current user
 		}
 
 		$settings = array();
@@ -1632,7 +1631,7 @@ 
 			'type'   => 'multiselect',
 			'label'  => 'Calendars to sync in addition to personal calendar',
 			'name'   => 'calendar-home-set',
-			'help'   => lang('Only supported by a few fully conformant clients (eg. from Apple). If you have to enter a URL, it will most likly not be suppored!').'<br/>'.lang('They will be sub-folders in users home (%1 attribute).','CalDAV "calendar-home-set"'),
+			'help'   => lang('Only supported by a few fully conformant clients (eg. from Apple). If you have to enter a URL, it will most likly not be suppored!').'<br/>'.lang('They will be sub-folders in users home (%1 attribute).', 'CalDAV "calendar-home-set"'),
 			'values' => $calendars,
 			'xmlrpc' => True,
 			'admin'  => False,
@@ -1658,7 +1657,7 @@ 
 		if ($GLOBALS['egw_info']['user']['apps']['resources'] && ($all_resources = Api\CalDAV\Principals::get_resources()))
 		{
 			$resources = $locations = array();
-			foreach($all_resources as $resource)
+			foreach ($all_resources as $resource)
 			{
 				if (Api\CalDAV\Principals::resource_is_location($resource))
 				{
@@ -1669,7 +1668,7 @@ 
 					$resources[$resource['res_id']] = $resource['name'];
 				}
 			}
-			foreach(array(
+			foreach (array(
 				'locations' => $locations,
 				'resources' => $resources,
 			) as $name => $options)
@@ -1682,7 +1681,7 @@ 
 						'label'  => lang('%1 to sync', lang($name == 'locations' ? 'Location calendars' : 'Resource calendars')),
 						'no_lang'=> true,
 						'name'   => 'calendar-home-set-'.$name,
-						'help'   => lang('Only supported by a few fully conformant clients (eg. from Apple). If you have to enter a URL, it will most likly not be suppored!').'<br/>'.lang('They will be sub-folders in users home (%1 attribute).','CalDAV "calendar-home-set"'),
+						'help'   => lang('Only supported by a few fully conformant clients (eg. from Apple). If you have to enter a URL, it will most likly not be suppored!').'<br/>'.lang('They will be sub-folders in users home (%1 attribute).', 'CalDAV "calendar-home-set"'),
 						'values' => $options,
 						'xmlrpc' => True,
 						'admin'  => False,

Braces +225 added lines, -56 removed lines

@@ -120,7 +120,10 @@ 
 		}
 		else
 		{
-			if (!is_array($event)) $event = $this->bo->read($event);
+			if (!is_array($event))
+			{
+				$event = $this->bo->read($event);
+			}
 			$name = $event[self::$path_attr];
 		}
 		$name .= self::$path_extension;
@@ -181,10 +184,13 @@ 
 			}
 			$filter[$name] = $this->bo->now + 24*3600*($name == 'start' ? -1 : 1)*abs($value);
 		}
-		if ($this->client_shared_uid_exceptions)	// do NOT return (non-virtual) exceptions
+		if ($this->client_shared_uid_exceptions)
+		{
+			// do NOT return (non-virtual) exceptions
 		{
 			$filter['query'] = array('cal_reference' => 0);
 		}
+		}
 
 		if ($path == '/calendar/')
 		{
@@ -214,7 +220,11 @@ 
 			// when trying to request not supported components, eg. VTODO on a calendar collection
 			return true;
 		}
-		if ($id) $path = dirname($path).'/';	// caldav_name get's added anyway in the callback
+		if ($id)
+		{
+			$path = dirname($path).'/';
+		}
+		// caldav_name get's added anyway in the callback
 
 		if ($this->debug > 1)
 		{
@@ -276,7 +286,11 @@ 
 		$n = 0;
 		foreach($files as $file)
 		{
-			if (!$n++) continue;	// first entry is collection itself
+			if (!$n++)
+			{
+				continue;
+			}
+			// first entry is collection itself
 
 			$icalendar = $file['props']['calendar-data']['val'];
 			if (($start = strpos($icalendar, 'BEGIN:VEVENT')) !== false &&
@@ -320,10 +334,17 @@ 
 	 */
 	function propfind_callback($path,array $filter,$start=false)
 	{
-		if ($this->debug) $starttime = microtime(true);
+		if ($this->debug)
+		{
+			$starttime = microtime(true);
+		}
 
 		$calendar_data = $this->caldav->prop_requested('calendar-data', Api\CalDAV::CALDAV, true);
-		if (!is_array($calendar_data)) $calendar_data = false;	// not in allprop or autoindex
+		if (!is_array($calendar_data))
+		{
+			$calendar_data = false;
+		}
+		// not in allprop or autoindex
 
 		$files = array();
 
@@ -481,7 +502,10 @@ 
 				switch($filter['name'])
 				{
 					case 'comp-filter':
-						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
+						if ($this->debug > 1)
+						{
+							error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
+						}
 
 						switch($filter['attrs']['name'])
 						{
@@ -496,14 +520,23 @@ 
 						}
 						break;
 					case 'prop-filter':
-						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) prop-filter='{$filter['attrs']['name']}'");
+						if ($this->debug > 1)
+						{
+							error_log(__METHOD__."($options[path],...) prop-filter='{$filter['attrs']['name']}'");
+						}
 						$prop_filter = $filter['attrs']['name'];
 						break;
 					case 'text-match':
-						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) text-match: $prop_filter='{$filter['data']}'");
+						if ($this->debug > 1)
+						{
+							error_log(__METHOD__."($options[path],...) text-match: $prop_filter='{$filter['data']}'");
+						}
 						if (!isset($this->filter_prop2cal[strtoupper($prop_filter)]))
 						{
-							if ($this->debug) error_log(__METHOD__."($options[path],".array2string($options).",...) unknown property '$prop_filter' --> ignored");
+							if ($this->debug)
+							{
+								error_log(__METHOD__."($options[path],".array2string($options).",...) unknown property '$prop_filter' --> ignored");
+							}
 						}
 						else
 						{
@@ -512,10 +545,16 @@ 
 						unset($prop_filter);
 						break;
 					case 'param-filter':
-						if ($this->debug) error_log(__METHOD__."($options[path],...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
+						if ($this->debug)
+						{
+							error_log(__METHOD__."($options[path],...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
+						}
 						break;
 					case 'time-range':
-				 		if ($this->debug > 1) error_log(__FILE__ . __METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
+				 		if ($this->debug > 1)
+				 		{
+				 			error_log(__FILE__ . __METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
+				 		}
 				 		if (!empty($filter['attrs']['start']))
 				 		{
 					 		$cal_filters['start'] = $this->vCalendar->_parseDateTime($filter['attrs']['start']);
@@ -526,13 +565,19 @@ 
 				 		}
 						break;
 					default:
-						if ($this->debug) error_log(__METHOD__."($options[path],".array2string($options).",...) unknown filter --> ignored");
+						if ($this->debug)
+						{
+							error_log(__METHOD__."($options[path],".array2string($options).",...) unknown filter --> ignored");
+						}
 						break;
 				}
 			}
-			if (count($cal_filters) == $num_filters)	// no filters set --> restore default start and end time
+			if (count($cal_filters) == $num_filters)
+			{
+				// no filters set --> restore default start and end time
 			{
 				$cal_filters['start'] = $cal_start;
+			}
 				$cal_filters['end']   = $cal_end;
 			}
 		}
@@ -609,7 +654,10 @@ 
 				}
 			}
 
-			if ($this->debug > 1) error_log(__FILE__ . __METHOD__ ."($options[path],...,$id) calendar-multiget: ids=".implode(',',$ids).', cal_filters='.array2string($cal_filters));
+			if ($this->debug > 1)
+			{
+				error_log(__FILE__ . __METHOD__ ."($options[path],...,$id) calendar-multiget: ids=".implode(',',$ids).', cal_filters='.array2string($cal_filters));
+			}
 		}
 		return true;
 	}
@@ -655,9 +703,15 @@ 
 	private function iCal(array $event,$user=null, $method=null, $expand=false)
 	{
 		static $handler = null;
-		if (is_null($handler)) $handler = $this->_get_handler();
+		if (is_null($handler))
+		{
+			$handler = $this->_get_handler();
+		}
 
-		if (!$user) $user = $GLOBALS['egw_info']['user']['account_id'];
+		if (!$user)
+		{
+			$user = $GLOBALS['egw_info']['user']['account_id'];
+		}
 
 		// only return alarms in own calendar, not other users calendars
 		if ($user != $GLOBALS['egw_info']['user']['account_id'])
@@ -673,8 +727,14 @@ 
 		{
 			if (is_array($expand))
 			{
-				if (isset($expand['start'])) $expand['start'] = $this->vCalendar->_parseDateTime($expand['start']);
-				if (isset($expand['end'])) $expand['end'] = $this->vCalendar->_parseDateTime($expand['end']);
+				if (isset($expand['start']))
+				{
+					$expand['start'] = $this->vCalendar->_parseDateTime($expand['start']);
+				}
+				if (isset($expand['end']))
+				{
+					$expand['end'] = $this->vCalendar->_parseDateTime($expand['end']);
+				}
 			}
 			$events =& self::get_series($event['uid'], $this->bo, $expand, $user);
 		}
@@ -698,7 +758,10 @@ 
 	 */
 	private static function &get_series($uid,calendar_bo $bo=null, $expand=false, $user=null)
 	{
-		if (is_null($bo)) $bo = new calendar_bopdate();
+		if (is_null($bo))
+		{
+			$bo = new calendar_bopdate();
+		}
 
 		$params = array(
 			'query' => array('cal_uid' => $uid),
@@ -707,7 +770,10 @@ 
 			'date_format' => 'server',
 			'cfs' => array(),	// read cfs as we use them to store X- attributes
 		);
-		if (is_array($expand)) $params += $expand;
+		if (is_array($expand))
+		{
+			$params += $expand;
+		}
 
 		if (!($events =& $bo->search($params)))
 		{
@@ -728,12 +794,17 @@ 
 			}
 		}
 		// if recurring event starts in future behind horizont, nothing will be returned by bo::search()
-		if (!isset($master)) $master = $bo->read($uid);
+		if (!isset($master))
+		{
+			$master = $bo->read($uid);
+		}
 
 		foreach($events as $k => &$recurrence)
 		{
 			//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."($uid)[$k]:" . array2string($recurrence));
-			if (!$master || $recurrence['id'] != $master['id'])	// real exception
+			if (!$master || $recurrence['id'] != $master['id'])
+			{
+				// real exception
 			{
 				// user is NOT participating in this exception
 				if ($user && !self::isParticipant($recurrence, $user))
@@ -742,6 +813,7 @@ 
 					if (!$master || !self::isParticipant($master, $user))
 					{
 						unset($events[$k]);
+			}
 						continue;
 					}
 					// otherwise mark him in this exception as rejected
@@ -777,7 +849,10 @@ 
 			// this is a virtual exception now (no extra event/cal_id in DB)
 			//error_log('virtual exception: '.array2string($recurrence));
 			$recurrence['recurrence'] = $recurrence['start'];
-			if ($master) $recurrence['reference'] = $master['id'];
+			if ($master)
+			{
+				$recurrence['reference'] = $master['id'];
+			}
 			$recurrence['recur_type'] = MCAL_RECUR_NONE;	// is set, as this is a copy of the master
 			// not for included exceptions (Lightning): $master['recur_exception'][] = $recurrence['start'];
 		}
@@ -814,9 +889,16 @@ 
 	 */
 	function put(&$options,$id,$user=null,$prefix=null)
 	{
-		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
+		if ($this->debug)
+		{
+			error_log(__METHOD__."($id, $user)".print_r($options,true));
+		}
 
-		if (!$prefix) $user = null;	// /infolog/ does not imply setting the current user (for new entries it's done anyway)
+		if (!$prefix)
+		{
+			$user = null;
+		}
+		// /infolog/ does not imply setting the current user (for new entries it's done anyway)
 
 		// fix for iCal4OL using WinHTTP only supporting a certain header length
 		if (isset($_SERVER['HTTP_IF_SCHEDULE']) && !isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']))
@@ -828,7 +910,10 @@ 
 			isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']));	// dont fail with 412 Precondition Failed in that case
 		if (!is_null($oldEvent) && !is_array($oldEvent))
 		{
-			if ($this->debug) error_log(__METHOD__.': '.print_r($oldEvent,true).function_backtrace());
+			if ($this->debug)
+			{
+				error_log(__METHOD__.': '.print_r($oldEvent,true).function_backtrace());
+			}
 			return $oldEvent;
 		}
 
@@ -839,7 +924,10 @@ 
 		{
 			// we have no add permission on this user's calendar
 			// ToDo: create event in current users calendar and invite only $user
-			if ($this->debug) error_log(__METHOD__."(,,$user) we have not enough rights on this calendar");
+			if ($this->debug)
+			{
+				error_log(__METHOD__."(,,$user) we have not enough rights on this calendar");
+			}
 			return '403 Forbidden';
 		}
 
@@ -887,13 +975,19 @@ 
 			if ($this->use_schedule_tag && isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']))
 			{
 				$schedule_tag_match = $_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH'];
-				if ($schedule_tag_match[0] == '"') $schedule_tag_match = substr($schedule_tag_match, 1, -1);
+				if ($schedule_tag_match[0] == '"')
+				{
+					$schedule_tag_match = substr($schedule_tag_match, 1, -1);
+				}
 				$schedule_tag = null;
 				$this->get_etag($oldEvent, $schedule_tag);
 
 				if ($schedule_tag_match !== $schedule_tag)
 				{
-					if ($this->debug) error_log(__METHOD__."(,,$user) schedule_tag missmatch: given '$schedule_tag_match' != '$schedule_tag'");
+					if ($this->debug)
+					{
+						error_log(__METHOD__."(,,$user) schedule_tag missmatch: given '$schedule_tag_match' != '$schedule_tag'");
+					}
 					// honor Prefer: return=representation for 412 too (no need for client to explicitly reload)
 					$this->check_return_representation($options, $id, $user);
 					return '412 Precondition Failed';
@@ -908,7 +1002,10 @@ 
 					// above can be true, if current user is not in master but just a recurrence
 					(!$oldEvent['recur_type'] || !($series = self::get_series($oldEvent['uid'], $this->bo))))
 				{
-					if ($this->debug) error_log(__METHOD__."(,,$user) user $user is NOT an attendee!");
+					if ($this->debug)
+					{
+						error_log(__METHOD__."(,,$user) user $user is NOT an attendee!");
+					}
 					return '403 Forbidden';
 				}
 				// update only participant status and alarms of current user
@@ -928,7 +1025,10 @@ 
 							}
 							foreach($series as $oldEvent)
 							{
-								if ($oldEvent['recurrence'] == $event['recurrence']) break;
+								if ($oldEvent['recurrence'] == $event['recurrence'])
+								{
+									break;
+								}
 							}
 							// if no exception found, check if it might be just a recurrence (no exception)
 							if ($event['recurrence'] && $oldEvent['recurrence'] != $event['recurrence'])
@@ -943,7 +1043,10 @@ 
 								}
 							}
 						}
-						if ($this->debug) error_log(__METHOD__."(, $id, $user, '$prefix') eventId=$eventId ($oldEvent[id]), user=$user, old-status='{$oldEvent['participants'][$user]}', new-status='{$event['participants'][$user]}', recurrence=$event[recurrence]=".Api\DateTime::to($event['recurrence']).", event=".array2string($event));
+						if ($this->debug)
+						{
+							error_log(__METHOD__."(, $id, $user, '$prefix') eventId=$eventId ($oldEvent[id]), user=$user, old-status='{$oldEvent['participants'][$user]}', new-status='{$event['participants'][$user]}', recurrence=$event[recurrence]=".Api\DateTime::to($event['recurrence']).", event=".array2string($event));
+						}
 						if (isset($event['participants']) && isset($event['participants'][$user]) &&
 							$event['participants'][$user] !== $oldEvent['participants'][$user])
 						{
@@ -951,13 +1054,19 @@ 
 								// real (not virtual) exceptions use recurrence 0 in egw_cal_user.cal_recurrence!
 								$recurrence = $eventId == $oldEvent['id'] ? $event['recurrence'] : 0))
 							{
-								if ($this->debug) error_log(__METHOD__."(,,$user) failed to set_status($oldEvent[id], $user, '{$event['participants'][$user]}', $recurrence=".Api\DateTime::to($recurrence).')');
+								if ($this->debug)
+								{
+									error_log(__METHOD__."(,,$user) failed to set_status($oldEvent[id], $user, '{$event['participants'][$user]}', $recurrence=".Api\DateTime::to($recurrence).')');
+								}
 								return '403 Forbidden';
 							}
 							else
 							{
 								++$modified;
-								if ($this->debug) error_log(__METHOD__."() set_status($oldEvent[id], $user, {$event['participants'][$user]} , $recurrence=".Api\DateTime::to($recurrence).')');
+								if ($this->debug)
+								{
+									error_log(__METHOD__."() set_status($oldEvent[id], $user, {$event['participants'][$user]} , $recurrence=".Api\DateTime::to($recurrence).')');
+								}
 							}
 						}
 						// import alarms, if given and changed
@@ -967,15 +1076,21 @@ 
 							$modified += $handler->sync_alarms($event, (array)$oldEvent['alarm'], $user);
 						}
 					}
-					if (!$modified)	// NO modififictions, or none we understood --> log it and return Ok: "204 No Content"
+					if (!$modified)
+					{
+						// NO modififictions, or none we understood --> log it and return Ok: "204 No Content"
 					{
 						$this->caldav->log(__METHOD__."(,,$user) NO changes for current user events=".array2string($events).', old-event='.array2string($oldEvent));
 					}
+					}
 					$this->put_response_headers($eventId, $options['path'], '204 No Content', self::$path_attr == 'caldav_name');
 
 					return '204 No Content';
 				}
-				if ($this->debug && !isset($events)) error_log(__METHOD__."(,,$user) only schedule-tag given for event without participants (only calendar owner) --> handle as regular PUT");
+				if ($this->debug && !isset($events))
+				{
+					error_log(__METHOD__."(,,$user) only schedule-tag given for event without participants (only calendar owner) --> handle as regular PUT");
+				}
 			}
 			if ($return_no_access)
 			{
@@ -1007,17 +1122,23 @@ 
 		if (!($cal_id = $handler->importVCal($vCalendar, $eventId,
 			self::etag2value($this->http_if_match), false, 0, $this->caldav->current_user_principal, $user, $charset, $id)))
 		{
-			if ($this->debug) error_log(__METHOD__."(,$id) eventId=$eventId: importVCal('$options[content]') returned ".array2string($cal_id));
+			if ($this->debug)
+			{
+				error_log(__METHOD__."(,$id) eventId=$eventId: importVCal('$options[content]') returned ".array2string($cal_id));
+			}
 			if ($eventId && $cal_id === false)
 			{
 				// ignore import failures
 				$cal_id = $eventId;
 				$retval = true;
 			}
-			elseif ($cal_id === 0)	// etag failure
+			elseif ($cal_id === 0)
+			{
+				// etag failure
 			{
 				// honor Prefer: return=representation for 412 too (no need for client to explicitly reload)
 				$this->check_return_representation($options, $id, $user);
+			}
 				return '412 Precondition Failed';
 			}
 			else
@@ -1042,7 +1163,10 @@ 
 	 */
 	function post(&$options,$id,$user=null)
 	{
-		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
+		if ($this->debug)
+		{
+			error_log(__METHOD__."($id, $user)".print_r($options,true));
+		}
 
 		$vCalendar = htmlspecialchars_decode($options['content']);
 		$charset = null;
@@ -1097,7 +1221,10 @@ 
 				if (!($cal_id = $handler->importVCal($vCalendar, $eventId, null,
 					false, 0, $this->caldav->current_user_principal, $user, $charset)))
 				{
-					if ($this->debug) error_log(__METHOD__."() importVCal($eventId) returned false");
+					if ($this->debug)
+					{
+						error_log(__METHOD__."() importVCal($eventId) returned false");
+					}
 				}
 				header('ETag: "'.$this->get_etag($eventId).'"');
 			}
@@ -1265,7 +1392,10 @@ 
 		$org_recurrences = $exceptions = array();
 		foreach(self::get_series($events[0]['uid'],$bo) as $k => $event)
 		{
-			if (!$k) $master = $event;
+			if (!$k)
+			{
+				$master = $event;
+			}
 			if ($event['recurrence'])
 			{
 				$org_recurrences[$event['recurrence']] = $event;
@@ -1285,10 +1415,13 @@ 
 
 			// from now on we deal with exceptions
 			$org_recurrence = $org_recurrences[$recurrence['recurrence']];
-			if (isset($org_recurrence))	// already existing recurrence
+			if (isset($org_recurrence))
+			{
+				// already existing recurrence
 			{
 				//error_log(__METHOD__.'() setting id #'.$org_recurrence['id']).' for '.$recurrence['recurrence'].' = '.date('Y-m-d H:i:s',$recurrence['recurrence']);
 				$recurrence['id'] = $org_recurrence['id'];
+			}
 
 				// re-add (non-virtual) exceptions to master's recur_exception
 				if ($recurrence['id'] != $master['id'])
@@ -1305,10 +1438,14 @@ 
 		// delete not longer existing recurrences
 		foreach($org_recurrences as $org_recurrence)
 		{
-			if ($org_recurrence['id'] != $master['id'])	// non-virtual recurrence
+			if ($org_recurrence['id'] != $master['id'])
+			{
+				// non-virtual recurrence
 			{
 				//error_log(__METHOD__.'() deleting #'.$org_recurrence['id']);
-				$bo->delete($org_recurrence['id']);	// might fail because of permissions
+				$bo->delete($org_recurrence['id']);
+			}
+			// might fail because of permissions
 			}
 			else	// virtual recurrence
 			{
@@ -1339,7 +1476,7 @@ 
 		if (!is_array($event = $this->_common_get_put_delete('DELETE',$options,$id,$return_no_access)) || !$return_no_access)
 		{
  			if (!$return_no_access)
-			{
+ 			{
 				// check if user is a participant or one of the groups he is a member of --> reject the meeting request
 				$ret = '403 Forbidden';
 				$memberships = $GLOBALS['egw']->accounts->memberships($this->bo->user, true);
@@ -1362,7 +1499,10 @@ 
 		{
 			$ret = $this->bo->delete($event['id']);
 		}
-		if ($this->debug) error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string(is_array($event)?$event['participants']:null).", user={$this->bo->user} --> return ".array2string($ret));
+		if ($this->debug)
+		{
+			error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string(is_array($event)?$event['participants']:null).", user={$this->bo->user} --> return ".array2string($ret));
+		}
 		return $ret;
 	}
 
@@ -1377,16 +1517,26 @@ 
 	 */
 	function read($id)
 	{
-		if (strpos($column=self::$path_attr,'_') === false) $column = 'cal_'.$column;
+		if (strpos($column=self::$path_attr,'_') === false)
+		{
+			$column = 'cal_'.$column;
+		}
 
 		$event = $this->bo->read(array($column => $id, 'cal_deleted IS NULL', 'cal_reference=0'), null, true, 'server');
-		if ($event) $event = array_shift($event);	// read with array as 1. param, returns an array of events!
+		if ($event)
+		{
+			$event = array_shift($event);
+		}
+		// read with array as 1. param, returns an array of events!
 
 		if (!($retval = $this->bo->check_perms(calendar_bo::ACL_FREEBUSY,$event, 0, 'server')) &&
 			// above can be true, if current user is not in master but just a recurrence
 			(!$event['recur_type'] || !($events = self::get_series($event['uid'], $this->bo))))
 		{
-			if ($this->debug > 0) error_log(__METHOD__."($id) no READ or FREEBUSY rights returning ".array2string($retval));
+			if ($this->debug > 0)
+			{
+				error_log(__METHOD__."($id) no READ or FREEBUSY rights returning ".array2string($retval));
+			}
 			return $retval;
 		}
 		if (!$this->bo->check_perms(Acl::READ, $event, 0, 'server'))
@@ -1394,9 +1544,15 @@ 
 			$this->bo->clear_private_infos($event, array($this->bo->user, $event['owner']));
 		}
 		// handle deleted events, as not existing
-		if ($event['deleted']) $event = null;
+		if ($event['deleted'])
+		{
+			$event = null;
+		}
 
-		if ($this->debug > 1) error_log(__METHOD__."($id) returning ".array2string($event));
+		if ($this->debug > 1)
+		{
+			error_log(__METHOD__."($id) returning ".array2string($event));
+		}
 
 		return $event;
 	}
@@ -1408,7 +1564,10 @@ 
 	 */
 	public function update_tags($entry)
 	{
-		if (!is_array($entry)) $entry = $this->read($entry);
+		if (!is_array($entry))
+		{
+			$entry = $this->read($entry);
+		}
 
 		$this->bo->update($entry, true);
 	}
@@ -1422,7 +1581,10 @@ 
 	{
 		$ctag = $this->bo->get_ctag($user,$path == '/calendar/' ? 'owner' : 'default'); // default = not rejected
 
-		if ($this->debug > 1) error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($path)[$user] = $ctag");
+		if ($this->debug > 1)
+		{
+			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($path)[$user] = $ctag");
+		}
 
 		return $ctag;
 	}
@@ -1553,7 +1715,10 @@ 
 		$handler = new calendar_ical();
 		$handler->setSupportedFields('GroupDAV',$this->agent);
 		$handler->supportedFields['attachments'] = true;	// enabling attachments
-		if ($this->debug > 1) error_log("ical Handler called: " . $this->agent);
+		if ($this->debug > 1)
+		{
+			error_log("ical Handler called: " . $this->agent);
+		}
 		return $handler;
 	}
 
@@ -1624,7 +1789,11 @@ 
 			{
 				$calendars[$entry['grantor']] = $entry['name'];
 			}
-			if ($user > 0) unset($calendars[$user]);	// skip current user
+			if ($user > 0)
+			{
+				unset($calendars[$user]);
+			}
+			// skip current user
 		}
 
 		$settings = array();

calendar/inc/class.calendar_holidays.inc.php

Doc Comments +3 added lines

@@ -135,6 +135,9 @@
 		return $until_year ? $years : $years[$year];
 	}
 
+	/**
+	 * @param string $url
+	 */
 	protected static function is_url($url)
 	{
 		return $url[0] == '/' || strpos($url, '://') !== false;

Spacing +10 added lines, -10 removed lines

@@ -39,7 +39,7 @@ 
 	 * @param int $year =null default current year
 	 * @return array of Ymd => array of array with values for keys 'occurence','month','day','name', (commented out) 'title'
 	 */
-	public static function read($country, $year=null)
+	public static function read($country, $year = null)
 	{
 		if (!$year) $year = (int)Api\DateTime::to('now', 'Y');
 		$level = self::is_url($country) ? Api\Cache::INSTANCE : Api\Cache::TREE;
@@ -47,9 +47,9 @@ 
 		$holidays = Api\Cache::getCache($level, __CLASS__, $country.':'.$year);
 
 		// if we dont find holidays in cache, we render from previous year until next 5 years
-		if (!isset($holidays) && ($years = self::render($country, $year-1, $year+5)))
+		if (!isset($holidays) && ($years = self::render($country, $year - 1, $year + 5)))
 		{
-			foreach($years as $y => $data)
+			foreach ($years as $y => $data)
 			{
 				Api\Cache::setCache($level, __CLASS__, $country.':'.$y, $data, self::HOLIDAY_CACHE_TIME);
 			}
@@ -66,7 +66,7 @@ 
 	 * @param int $until_year =null default, fetch only one year, if given result is indexed additional by year
 	 * @return array of Ymd => array of array with values for keys 'occurence','month','day','name', (commented out) 'title'
 	 */
-	public static function render($country, $year=null, $until_year=null)
+	public static function render($country, $year = null, $until_year = null)
 	{
 		if (!$year) $year = (int)Api\DateTime::to('now', 'Y');
 		$end_year = $until_year && $year < $until_year ? $until_year : $year;
@@ -77,7 +77,7 @@ 
 			return array();
 		}
 		$years = array();
-		foreach($holidays as $event)
+		foreach ($holidays as $event)
 		{
 			$start = new Api\DateTime($event['start']);
 			$end = new Api\DateTime($event['end']);
@@ -88,12 +88,12 @@ 
 			if ($event['recur_type'])
 			{
 				// calendar_rrule limits no enddate, to 5 years
-				if (!$event['recur_enddate']) $event['recur_enddate'] = (1+$end_year).'0101';
+				if (!$event['recur_enddate']) $event['recur_enddate'] = (1 + $end_year).'0101';
 
 				$rrule = calendar_rrule::event2rrule($event);
 				if ($rrule->enddate && $rrule->enddate->format('Y') < $year) continue;
 
-				foreach($rrule as $rtime)
+				foreach ($rrule as $rtime)
 				{
 					if (($y = (int)$rtime->format('Y')) < $year) continue;
 					if ($y > $end_year) break;
@@ -111,7 +111,7 @@ 
 			else
 			{
 				$end_ymd = (int)$end->format('Ymd');
-				while(($ymd = (int)$start->format('Ymd')) <= $end_ymd)
+				while (($ymd = (int)$start->format('Ymd')) <= $end_ymd)
 				{
 					$y = (int)$start->format('Y');
 					$years[$y][(string)$ymd][] = array(
@@ -125,11 +125,11 @@ 
 				}
 			}
 		}
-		foreach($years as $y => &$data)
+		foreach ($years as $y => &$data)
 		{
 			ksort($data);
 		}
-		error_log(__METHOD__."('$country', $year, $end_year) took ".  number_format(microtime(true)-$starttime, 3).'s to fetch '.count(call_user_func_array('array_merge', $years)).' events');
+		error_log(__METHOD__."('$country', $year, $end_year) took ".number_format(microtime(true) - $starttime, 3).'s to fetch '.count(call_user_func_array('array_merge', $years)).' events');
 		unset($starttime);
 
 		return $until_year ? $years : $years[$year];

Braces +32 added lines, -8 removed lines

@@ -41,7 +41,10 @@ 
 	 */
 	public static function read($country, $year=null)
 	{
-		if (!$year) $year = (int)Api\DateTime::to('now', 'Y');
+		if (!$year)
+		{
+			$year = (int)Api\DateTime::to('now', 'Y');
+		}
 		$level = self::is_url($country) ? Api\Cache::INSTANCE : Api\Cache::TREE;
 
 		$holidays = Api\Cache::getCache($level, __CLASS__, $country.':'.$year);
@@ -68,7 +71,10 @@ 
 	 */
 	public static function render($country, $year=null, $until_year=null)
 	{
-		if (!$year) $year = (int)Api\DateTime::to('now', 'Y');
+		if (!$year)
+		{
+			$year = (int)Api\DateTime::to('now', 'Y');
+		}
 		$end_year = $until_year && $year < $until_year ? $until_year : $year;
 
 		$starttime = microtime(true);
@@ -81,22 +87,40 @@ 
 		{
 			$start = new Api\DateTime($event['start']);
 			$end = new Api\DateTime($event['end']);
-			if ($start->format('Y') > $end_year) continue;
-			if ($end->format('Y') < $year && !$event['recur_type']) continue;
+			if ($start->format('Y') > $end_year)
+			{
+				continue;
+			}
+			if ($end->format('Y') < $year && !$event['recur_type'])
+			{
+				continue;
+			}
 
 			// recuring events
 			if ($event['recur_type'])
 			{
 				// calendar_rrule limits no enddate, to 5 years
-				if (!$event['recur_enddate']) $event['recur_enddate'] = (1+$end_year).'0101';
+				if (!$event['recur_enddate'])
+				{
+					$event['recur_enddate'] = (1+$end_year).'0101';
+				}
 
 				$rrule = calendar_rrule::event2rrule($event);
-				if ($rrule->enddate && $rrule->enddate->format('Y') < $year) continue;
+				if ($rrule->enddate && $rrule->enddate->format('Y') < $year)
+				{
+					continue;
+				}
 
 				foreach($rrule as $rtime)
 				{
-					if (($y = (int)$rtime->format('Y')) < $year) continue;
-					if ($y > $end_year) break;
+					if (($y = (int)$rtime->format('Y')) < $year)
+					{
+						continue;
+					}
+					if ($y > $end_year)
+					{
+						break;
+					}
 
 					$ymd = (int)$rtime->format('Ymd');
 					$years[$y][(string)$ymd][] = array(

calendar/inc/class.calendar_ical.inc.php

Doc Comments +11 added lines, -7 removed lines

@@ -194,7 +194,7 @@ 
 	 *                          default 0 => export whole series (or events, if not recurring)
 	 * @param string $principalURL ='' Used for CalDAV exports
 	 * @param string $charset ='UTF-8' encoding of the vcalendar, default UTF-8
-	 * @param int|string $current_user =0 uid of current user to only export that one as participant for method=REPLY
+	 * @param integer $current_user =0 uid of current user to only export that one as participant for method=REPLY
 	 * @return string|boolean string with iCal or false on error (e.g. no permission to read the event)
 	 */
 	function &exportVCal($events, $version='1.0', $method='PUBLISH', $recur_date=0, $principalURL='', $charset='UTF-8', $current_user=0)
@@ -1094,16 +1094,15 @@ 
 	 * Import an iCal
 	 *
 	 * @param string|resource $_vcalData
-	 * @param int $cal_id=-1 must be -1 for new entries!
-	 * @param string $etag=null if an etag is given, it has to match the current etag or the import will fail
-	 * @param boolean $merge=false	merge data with existing entry
-	 * @param int $recur_date=0 if set, import the recurrence at this timestamp,
+	 * @param int $cal_id must be -1 for new entries!
+	 * @param int $recur_date if set, import the recurrence at this timestamp,
 	 *                          default 0 => import whole series (or events, if not recurring)
 	 * @param string $principalURL='' Used for CalDAV imports
-	 * @param int $user=null account_id of owner, default null
 	 * @param string $charset  The encoding charset for $text. Defaults to
 	 *                         utf-8 for new format, iso-8859-1 for old format.
-	 * @param string $caldav_name=null name from CalDAV client or null (to use default)
+	 * @param string $caldav_name name from CalDAV client or null (to use default)
+	 * @param integer $etag
+	 * @param integer $user
 	 * @return int|boolean|null cal_id > 0 on success, false on failure or 0 for a failed etag|permission denied or null for "403 Forbidden"
 	 */
 	function importVCal($_vcalData, $cal_id=-1, $etag=null, $merge=false, $recur_date=0, $principalURL='', $user=null, $charset=null, $caldav_name=null,$skip_notification=false)
@@ -3182,6 +3181,10 @@ 
 		return $event;
 	}
 
+	/**
+	 * @param integer $contentID
+	 * @param string $charset
+	 */
 	function search($_vcalData, $contentID=null, $relax=false, $charset=null)
 	{
 		if (($events = $this->icaltoegw($_vcalData, $charset)))
@@ -3221,6 +3224,7 @@ 
 	 * @param string $method ='PUBLISH' or eg. 'REPLY'
 	 * @param array $extra =null extra attributes to add
 	 * 	X-CALENDARSERVER-MASK-UID can be used to not include an event specified by this uid as busy
+	 * @return string|null
 	 */
 	function freebusy($user,$end=null,$utc=true, $charset='UTF-8', $start=null, $method='PUBLISH', array $extra=null)
 	{

Indentation +49 added lines, -49 removed lines

@@ -483,15 +483,15 @@ 
 									{
 										$user = $this->resource_info($this->user);
 										$attributes['ATTENDEE'][] = 'mailto:' . $user['email'];
-			    						$parameters['ATTENDEE'][] = array(
-			    							'CN'		=>	$user['name'],
-			    							'ROLE'		=> 'REQ-PARTICIPANT',
+										$parameters['ATTENDEE'][] = array(
+											'CN'		=>	$user['name'],
+											'ROLE'		=> 'REQ-PARTICIPANT',
 											'PARTSTAT'	=> 'NEEDS-ACTION',
 											'CUTYPE'	=> 'INDIVIDUAL',
 											'RSVP'		=> 'TRUE',
 											'X-EGROUPWARE-UID'	=> (string)$this->user,
-			    						);
-			    						$event['participants'][$this->user] = true;
+										);
+										$event['participants'][$this->user] = true;
 									}
 									break;
 								case 'r':
@@ -543,24 +543,24 @@ 
 						}
 						break;
 
-    				case 'ORGANIZER':
-	    				if (!$organizerURL)
-	    				{
-	    					$organizerCN = '"' . trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname')
-			    				. ' ' . $GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname')) . '"';
-			    			$organizerEMail = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
-			    			if ($version == '1.0')
-			    			{
-		    					$organizerURL = trim($organizerCN . (empty($organizerURL) ? '' : ' <' . $organizerURL .'>'));
-			    			}
-			    			else
-			    			{
-		    					$organizerURL = empty($organizerEMail) ? '' : 'mailto:' . $organizerEMail;
-			    			}
-			    			$organizerUID = $event['owner'];
-		    				if (!isset($event['participants'][$event['owner']]))
-		    				{
-			    				$options = array(
+					case 'ORGANIZER':
+						if (!$organizerURL)
+						{
+							$organizerCN = '"' . trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname')
+								. ' ' . $GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname')) . '"';
+							$organizerEMail = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
+							if ($version == '1.0')
+							{
+								$organizerURL = trim($organizerCN . (empty($organizerURL) ? '' : ' <' . $organizerURL .'>'));
+							}
+							else
+							{
+								$organizerURL = empty($organizerEMail) ? '' : 'mailto:' . $organizerEMail;
+							}
+							$organizerUID = $event['owner'];
+							if (!isset($event['participants'][$event['owner']]))
+							{
+								$options = array(
 									'ROLE'     => 'CHAIR',
 									'PARTSTAT' => 'DELEGATED',
 									'CUTYPE'   => 'INDIVIDUAL',
@@ -570,20 +570,20 @@ 
 								if (!empty($organizerEMail)) $options['EMAIL'] = $organizerEMail;
 								if (!empty($event['owner'])) $options['X-EGROUPWARE-UID'] = $event['owner'];
 								$attributes['ATTENDEE'][] = $organizerURL;
-			    				$parameters['ATTENDEE'][] = $options;
-		    				}
-	    				}
-    					// do NOT use ORGANIZER for events without further participants or a different organizer
-	    				if (count($event['participants']) > 1 || !isset($event['participants'][$event['owner']]))
-	    				{
-		    				$attributes['ORGANIZER'] = $organizerURL;
-		    				$parameters['ORGANIZER']['CN'] = $organizerCN;
-		    				if (!empty($organizerUID))
-		    				{
-			    				$parameters['ORGANIZER']['X-EGROUPWARE-UID'] = $organizerUID;
-		    				}
-	    				}
-	    				break;
+								$parameters['ATTENDEE'][] = $options;
+							}
+						}
+						// do NOT use ORGANIZER for events without further participants or a different organizer
+						if (count($event['participants']) > 1 || !isset($event['participants'][$event['owner']]))
+						{
+							$attributes['ORGANIZER'] = $organizerURL;
+							$parameters['ORGANIZER']['CN'] = $organizerCN;
+							if (!empty($organizerUID))
+							{
+								$parameters['ORGANIZER']['X-EGROUPWARE-UID'] = $organizerUID;
+							}
+						}
+						break;
 
 					case 'DTSTART':
 						if (empty($event['whole_day']))
@@ -992,12 +992,12 @@ 
 				foreach (is_array($value) && $parameters[$key]['VALUE']!='DATE' ? $value : array($value) as $valueID => $valueData)
 				{
 					$valueData = Api\Translation::convert($valueData,Api\Translation::charset(),$charset);
-                    $paramData = (array) Api\Translation::convert(is_array($value) ?
-                    		$parameters[$key][$valueID] : $parameters[$key],
-                            Api\Translation::charset(),$charset);
-                    $valuesData = (array) Api\Translation::convert($values[$key],
-                    		Api\Translation::charset(),$charset);
-                    $content = $valueData . implode(';', $valuesData);
+					$paramData = (array) Api\Translation::convert(is_array($value) ?
+							$parameters[$key][$valueID] : $parameters[$key],
+							Api\Translation::charset(),$charset);
+					$valuesData = (array) Api\Translation::convert($values[$key],
+							Api\Translation::charset(),$charset);
+					$content = $valueData . implode(';', $valuesData);
 
 					if ($version == '1.0' && (preg_match('/[^\x20-\x7F]/', $content) ||
 						($paramData['CN'] && preg_match('/[^\x20-\x7F]/', $paramData['CN']))))
@@ -2233,7 +2233,7 @@ 
 	 * @param string|resource $_vcalData
 	 * @param string $principalURL ='' Used for CalDAV imports
 	 * @param string $charset  The encoding charset for $text. Defaults to
-     *                         utf-8 for new format, iso-8859-1 for old format.
+	 *                         utf-8 for new format, iso-8859-1 for old format.
 	 * @return Iterator|array|boolean Iterator if resource given or array of events on success, false on failure
 	 */
 	function icaltoegw($_vcalData, $principalURL='', $charset=null)
@@ -2784,10 +2784,10 @@ 
 					// fall throught
 				case 'ATTENDEE':
 					if (isset($attributes['params']['PARTSTAT']))
-				    {
-				    	$attributes['params']['STATUS'] = $attributes['params']['PARTSTAT'];
-				    }
-				    if (isset($attributes['params']['STATUS']))
+					{
+						$attributes['params']['STATUS'] = $attributes['params']['PARTSTAT'];
+					}
+					if (isset($attributes['params']['STATUS']))
 					{
 						$status = $this->status_ical2egw[strtoupper($attributes['params']['STATUS'])];
 						if (empty($status)) $status = 'X';
@@ -3178,7 +3178,7 @@ 
 				array2string($event)."\n",3,$this->logfile);
 		}
 		//Horde::logMessage("vevent2egw:\n" . print_r($event, true),
-        //    	__FILE__, __LINE__, PEAR_LOG_DEBUG);
+		//    	__FILE__, __LINE__, PEAR_LOG_DEBUG);
 		return $event;
 	}
 

Spacing +264 added lines, -265 removed lines

@@ -64,39 +64,39 @@ 
 	 * @var array $priority_egw2ical conversion of the priority egw => ical
 	 */
 	var $priority_egw2ical = array(
-		0 => 0,		// undefined
-		1 => 9,		// low
-		2 => 5,		// normal
-		3 => 1,		// high
+		0 => 0, // undefined
+		1 => 9, // low
+		2 => 5, // normal
+		3 => 1, // high
 	);
 
 	/**
 	 * @var array $priority_ical2egw conversion of the priority ical => egw
 	 */
 	var $priority_ical2egw = array(
-		0 => 0,		// undefined
-		9 => 1,	8 => 1, 7 => 1, 6 => 1,	// low
-		5 => 2,		// normal
-		4 => 3, 3 => 3, 2 => 3, 1 => 3,	// high
+		0 => 0, // undefined
+		9 => 1, 8 => 1, 7 => 1, 6 => 1, // low
+		5 => 2, // normal
+		4 => 3, 3 => 3, 2 => 3, 1 => 3, // high
 	);
 
 	/**
 	 * @var array $priority_egw2funambol conversion of the priority egw => funambol
 	 */
 	var $priority_egw2funambol = array(
-		0 => 1,		// undefined (mapped to normal since undefined does not exist)
-		1 => 0,		// low
-		2 => 1,		// normal
-		3 => 2,		// high
+		0 => 1, // undefined (mapped to normal since undefined does not exist)
+		1 => 0, // low
+		2 => 1, // normal
+		3 => 2, // high
 	);
 
 	/**
 	 * @var array $priority_funambol2egw conversion of the priority funambol => egw
 	 */
 	var $priority_funambol2egw = array(
-		0 => 1,		// low
-		1 => 2,		// normal
-		2 => 3,		// high
+		0 => 1, // low
+		1 => 2, // normal
+		2 => 3, // high
 	);
 
 	/**
@@ -166,7 +166,7 @@ 
 	 * @var boolean
 	 */
 	var $log = false;
-	var $logfile="/tmp/log-vcal";
+	var $logfile = "/tmp/log-vcal";
 
 
 	/**
@@ -197,7 +197,7 @@ 
 	 * @param int|string $current_user =0 uid of current user to only export that one as participant for method=REPLY
 	 * @return string|boolean string with iCal or false on error (e.g. no permission to read the event)
 	 */
-	function &exportVCal($events, $version='1.0', $method='PUBLISH', $recur_date=0, $principalURL='', $charset='UTF-8', $current_user=0)
+	function &exportVCal($events, $version = '1.0', $method = 'PUBLISH', $recur_date = 0, $principalURL = '', $charset = 'UTF-8', $current_user = 0)
 	{
 		if ($this->log)
 		{
@@ -228,13 +228,13 @@ 
 
 		if (!is_array($this->supportedFields)) $this->setSupportedFields();
 
-		if ($this->productManufacturer == '' )
+		if ($this->productManufacturer == '')
 		{	// syncevolution is broken
 			$version = '2.0';
 		}
 
 		$vcal = new Horde_Icalendar;
-		$vcal->setAttribute('PRODID','-//EGroupware//NONSGML EGroupware Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
+		$vcal->setAttribute('PRODID', '-//EGroupware//NONSGML EGroupware Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
 			strtoupper($GLOBALS['egw_info']['user']['preferences']['common']['lang']));
 		$vcal->setAttribute('VERSION', $version);
 		if ($method) $vcal->setAttribute('METHOD', $method);
@@ -264,15 +264,15 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-								'() User does not have the permission to read event ' . $event['id']. "\n",
-								3,$this->logfile);
+								'() User does not have the permission to read event '.$event['id']."\n",
+								3, $this->logfile);
 						}
 						return -1; // Permission denied
 					}
 				}
 				else
 				{
-					$retval = false;  // Entry does not exist
+					$retval = false; // Entry does not exist
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
@@ -286,7 +286,7 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					'() export event UID: ' . $event['uid'] . ".\n",
+					'() export event UID: '.$event['uid'].".\n",
 					3, $this->logfile);
 			}
 
@@ -311,8 +311,8 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					'(' . $event['id']. ',' . $recurrence . ")\n" .
-					array2string($event)."\n",3,$this->logfile);
+					'('.$event['id'].','.$recurrence.")\n".
+					array2string($event)."\n", 3, $this->logfile);
 			}
 
 			if ($recurrence)
@@ -333,7 +333,7 @@ 
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 								"(, $recurrence) Gratuitous pseudo exception, skipped ...\n",
-								3,$this->logfile);
+								3, $this->logfile);
 						}
 						continue; // unsupported status only exception
 					}
@@ -343,13 +343,13 @@ 
 					$days = $this->so->get_recurrence_exceptions($master, $tzid, 0, 0, 'rrule');
 					if ($this->log)
 					{
-						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
-							array2string($days)."\n",3,$this->logfile);
+						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n".
+							array2string($days)."\n", 3, $this->logfile);
 					}
 					$recurrence = $days[$recurrence]; // use remote representation
 				}
 				// force single event
-				foreach (array('recur_enddate','recur_interval','recur_exception','recur_data','recur_date','id','etag') as $name)
+				foreach (array('recur_enddate', 'recur_interval', 'recur_exception', 'recur_data', 'recur_date', 'id', 'etag') as $name)
 				{
 					unset($event[$name]);
 				}
@@ -357,7 +357,7 @@ 
 			}
 
 			// check if tzid of event (not only recuring ones) is already added to export
-			if ($tzid && $tzid != 'UTC' && !in_array($tzid,$vtimezones_added))
+			if ($tzid && $tzid != 'UTC' && !in_array($tzid, $vtimezones_added))
 			{
 				// check if we have vtimezone component data for tzid of event, if not default to user timezone (default to server tz)
 				if (calendar_timezones::add_vtimezone($vcal, $tzid) ||
@@ -375,7 +375,7 @@ 
 			{
 				// Append UID to DESCRIPTION
 				if (!preg_match('/\[UID:.+\]/m', $event['description'])) {
-					$event['description'] .= "\n[UID:" . $event['uid'] . "]";
+					$event['description'] .= "\n[UID:".$event['uid']."]";
 				}
 			}
 
@@ -396,14 +396,14 @@ 
 				$exceptions = array();
 
 				// dont use "virtual" exceptions created by participant status for GroupDAV or file export
-				if (!in_array($this->productManufacturer,array('file','groupdav')))
+				if (!in_array($this->productManufacturer, array('file', 'groupdav')))
 				{
 					$filter = isset($this->supportedFields['participants']) ? 'rrule' : 'tz_rrule';
 					$exceptions = $this->so->get_recurrence_exceptions($event, $tzid, 0, 0, $filter);
 					if ($this->log)
 					{
-						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."(EXCEPTIONS)\n" .
-							array2string($exceptions)."\n",3,$this->logfile);
+						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."(EXCEPTIONS)\n".
+							array2string($exceptions)."\n", 3, $this->logfile);
 					}
 				}
 				elseif (is_array($event['recur_exception']))
@@ -420,8 +420,8 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							'(' . $event['id'] . ") [$icalFieldName] not supported\n",
-							3,$this->logfile);
+							'('.$event['id'].") [$icalFieldName] not supported\n",
+							3, $this->logfile);
 					}
 					continue;
 				}
@@ -438,23 +438,23 @@ 
 
 							if (!($info = $this->resource_info($uid))) continue;
 
-							if (in_array($status, array('X','E'))) continue;	// dont include deleted participants
+							if (in_array($status, array('X', 'E'))) continue; // dont include deleted participants
 
 							if ($this->log)
 							{
-								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-									'()attendee:' . array2string($info) ."\n",3,$this->logfile);
+								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+									'()attendee:'.array2string($info)."\n", 3, $this->logfile);
 							}
 							$participantCN = str_replace(array('\\', ',', ';', ':'),
 												array('\\\\', '\\,', '\\;', '\\:'),
 												trim(empty($info['cn']) ? $info['name'] : $info['cn']));
 							if ($version == '1.0')
 							{
-								$participantURL = trim('"' . $participantCN . '"' . (empty($info['email']) ? '' : ' <' . $info['email'] .'>'));
+								$participantURL = trim('"'.$participantCN.'"'.(empty($info['email']) ? '' : ' <'.$info['email'].'>'));
 							}
 							else
 							{
-								$participantURL = empty($info['email']) ? '' : 'mailto:' . $info['email'];
+								$participantURL = empty($info['email']) ? '' : 'mailto:'.$info['email'];
 							}
 							// RSVP={TRUE|FALSE}	// resonse expected, not set in eGW => status=U
 							$rsvp = $status == 'U' ? 'TRUE' : 'FALSE';
@@ -482,7 +482,7 @@ 
 										($members = $GLOBALS['egw']->accounts->members($uid, true)) && in_array($this->user, $members))
 									{
 										$user = $this->resource_info($this->user);
-										$attributes['ATTENDEE'][] = 'mailto:' . $user['email'];
+										$attributes['ATTENDEE'][] = 'mailto:'.$user['email'];
 			    						$parameters['ATTENDEE'][] = array(
 			    							'CN'		=>	$user['name'],
 			    							'ROLE'		=> 'REQ-PARTICIPANT',
@@ -524,7 +524,7 @@ 
 							if (!empty($rsvp)) $options['RSVP'] = $rsvp;
 							if (!empty($info['email']) && $participantURL != 'mailto:'.$info['email'])
 							{
-								$options['EMAIL'] = $info['email'];	// only add EMAIL attribute, if not already URL, as eg. Akonadi is reported to have problems with it
+								$options['EMAIL'] = $info['email']; // only add EMAIL attribute, if not already URL, as eg. Akonadi is reported to have problems with it
 							}
 							if ($info['type'] != 'e') $options['X-EGROUPWARE-UID'] = (string)$uid;
 							if ($quantity > 1) $options['X-EGROUPWARE-QUANTITY'] = (string)$quantity;
@@ -534,7 +534,7 @@ 
 						break;
 
 					case 'CLASS':
-						if ($event['public']) continue;	// public is default, no need to export, fails CalDAVTester if added as default
+						if ($event['public']) continue; // public is default, no need to export, fails CalDAVTester if added as default
 						$attributes['CLASS'] = $event['public'] ? 'PUBLIC' : 'PRIVATE';
 						// Apple iCal on OS X uses X-CALENDARSERVER-ACCESS: CONFIDENTIAL on VCALANDAR (not VEVENT!)
 						if (!$event['public'] && $this->productManufacturer == 'groupdav')
@@ -546,16 +546,16 @@ 
     				case 'ORGANIZER':
 	    				if (!$organizerURL)
 	    				{
-	    					$organizerCN = '"' . trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname')
-			    				. ' ' . $GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname')) . '"';
-			    			$organizerEMail = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
+	    					$organizerCN = '"'.trim($GLOBALS['egw']->accounts->id2name($event['owner'], 'account_firstname')
+			    				. ' '.$GLOBALS['egw']->accounts->id2name($event['owner'], 'account_lastname')).'"';
+			    			$organizerEMail = $GLOBALS['egw']->accounts->id2name($event['owner'], 'account_email');
 			    			if ($version == '1.0')
 			    			{
-		    					$organizerURL = trim($organizerCN . (empty($organizerURL) ? '' : ' <' . $organizerURL .'>'));
+		    					$organizerURL = trim($organizerCN.(empty($organizerURL) ? '' : ' <'.$organizerURL.'>'));
 			    			}
 			    			else
 			    			{
-		    					$organizerURL = empty($organizerEMail) ? '' : 'mailto:' . $organizerEMail;
+		    					$organizerURL = empty($organizerEMail) ? '' : 'mailto:'.$organizerEMail;
 			    			}
 			    			$organizerUID = $event['owner'];
 		    				if (!isset($event['participants'][$event['owner']]))
@@ -588,7 +588,7 @@ 
 					case 'DTSTART':
 						if (empty($event['whole_day']))
 						{
-							$attributes['DTSTART'] = self::getDateTime($event['start'],$tzid,$parameters['DTSTART']);
+							$attributes['DTSTART'] = self::getDateTime($event['start'], $tzid, $parameters['DTSTART']);
 						}
 						break;
 
@@ -599,27 +599,27 @@ 
 							if ($tzid == 'UTC' && $event['end'] - $event['start'] <= 86400)
 								$attributes['duration'] = $event['end'] - $event['start'];
 							else
-							$attributes['DTEND'] = self::getDateTime($event['end'],$tzid,$parameters['DTEND']);
+							$attributes['DTEND'] = self::getDateTime($event['end'], $tzid, $parameters['DTEND']);
 						}
 						else
 						{
 							// write start + end of whole day events as dates
-							$event['end-nextday'] = $event['end'] + 12*3600;	// we need the date of the next day, as DTEND is non-inclusive (= exclusive) in rfc2445
-							foreach (array('start' => 'DTSTART','end-nextday' => 'DTEND') as $f => $t)
+							$event['end-nextday'] = $event['end'] + 12 * 3600; // we need the date of the next day, as DTEND is non-inclusive (= exclusive) in rfc2445
+							foreach (array('start' => 'DTSTART', 'end-nextday' => 'DTEND') as $f => $t)
 							{
-								$time = new Api\DateTime($event[$f],Api\DateTime::$server_timezone);
-								$arr = Api\DateTime::to($time,'array');
-								$vevent->setAttribute($t, array('year' => $arr['year'],'month' => $arr['month'],'mday' => $arr['day']),
+								$time = new Api\DateTime($event[$f], Api\DateTime::$server_timezone);
+								$arr = Api\DateTime::to($time, 'array');
+								$vevent->setAttribute($t, array('year' => $arr['year'], 'month' => $arr['month'], 'mday' => $arr['day']),
 									array('VALUE' => 'DATE'));
 							}
 							unset($attributes['DTSTART']);
 							// Outlook does NOT care about type of DTSTART/END, only setting X-MICROSOFT-CDO-ALLDAYEVENT is used to determine an event is a whole-day event
-							$vevent->setAttribute('X-MICROSOFT-CDO-ALLDAYEVENT','TRUE');
+							$vevent->setAttribute('X-MICROSOFT-CDO-ALLDAYEVENT', 'TRUE');
 						}
 						break;
 
 					case 'RRULE':
-						if ($event['recur_type'] == MCAL_RECUR_NONE) break;		// no recuring event
+						if ($event['recur_type'] == MCAL_RECUR_NONE) break; // no recuring event
 						$rriter = calendar_rrule::event2rrule($event, false, $tzid);
 						$rrule = $rriter->generate_rrule($version);
 						if ($event['recur_enddate'])
@@ -638,16 +638,16 @@ 
 						{
 							if ($event['recur_enddate'] && $tzid)
 							{
-								$rrule['UNTIL'] = self::getDateTime($rrule['UNTIL'],$tzid);
+								$rrule['UNTIL'] = self::getDateTime($rrule['UNTIL'], $tzid);
 							}
 							$attributes['RRULE'] = $rrule['FREQ'].' '.$rrule['UNTIL'];
 						}
 						else // $version == '2.0'
 						{
 							$attributes['RRULE'] = '';
-							foreach($rrule as $n => $v)
+							foreach ($rrule as $n => $v)
 							{
-								$attributes['RRULE'] .= ($attributes['RRULE']?';':'').$n.'='.$v;
+								$attributes['RRULE'] .= ($attributes['RRULE'] ? ';' : '').$n.'='.$v;
 							}
 						}
 						break;
@@ -662,7 +662,7 @@ 
 								{
 									// current Horde_Icalendar 2.1.4 exports EXDATE always in UTC, so we should not set a timezone here
 									// Apple calendar on OS X 10.11.4 uses a timezone, so does Horde eg. for Recurrence-ID
-									$event['recur_exception'][$key] = self::getDateTime($timestamp,$tzid);//,$parameters['EXDATE']);
+									$event['recur_exception'][$key] = self::getDateTime($timestamp, $tzid); //,$parameters['EXDATE']);
 								}
 							}
 							else
@@ -670,9 +670,9 @@ 
 								// use 'DATE' instead of 'DATE-TIME' on whole day events
 								foreach ($event['recur_exception'] as $id => $timestamp)
 								{
-									$time = new Api\DateTime($timestamp,Api\DateTime::$server_timezone);
+									$time = new Api\DateTime($timestamp, Api\DateTime::$server_timezone);
 									$time->setTimezone(self::$tz_cache[$event['tzid']]);
-									$arr = Api\DateTime::to($time,'array');
+									$arr = Api\DateTime::to($time, 'array');
 									$days[$id] = array(
 										'year'  => $arr['year'],
 										'month' => $arr['month'],
@@ -687,21 +687,21 @@ 
 						break;
 
 					case 'PRIORITY':
-						if (!$event['priority']) continue;	// 0=undefined is default, no need to export, fails CalDAVTester if our default is added
+						if (!$event['priority']) continue; // 0=undefined is default, no need to export, fails CalDAVTester if our default is added
 						if ($this->productManufacturer == 'funambol' &&
 							(strpos($this->productName, 'outlook') !== false
 								|| strpos($this->productName, 'pocket pc') !== false))
 						{
-							$attributes['PRIORITY'] = (int) $this->priority_egw2funambol[$event['priority']];
+							$attributes['PRIORITY'] = (int)$this->priority_egw2funambol[$event['priority']];
 						}
 						else
 						{
-							$attributes['PRIORITY'] = (int) $this->priority_egw2ical[$event['priority']];
+							$attributes['PRIORITY'] = (int)$this->priority_egw2ical[$event['priority']];
 						}
 						break;
 
 					case 'TRANSP':
-						if (!$event['non_blocking']) continue;	// OPAQUE is default, no need to export, fails CalDAVTester if added as default
+						if (!$event['non_blocking']) continue; // OPAQUE is default, no need to export, fails CalDAVTester if added as default
 						if ($version == '1.0')
 						{
 							$attributes['TRANSP'] = ($event['non_blocking'] ? 1 : 0);
@@ -740,13 +740,13 @@ 
 							// We handle a pseudo exception
 							if (empty($event['whole_day']))
 							{
-								$attributes[$icalFieldName] = self::getDateTime($recur_date,$tzid,$parameters[$icalFieldName]);
+								$attributes[$icalFieldName] = self::getDateTime($recur_date, $tzid, $parameters[$icalFieldName]);
 							}
 							else
 							{
-								$time = new Api\DateTime($recur_date,Api\DateTime::$server_timezone);
+								$time = new Api\DateTime($recur_date, Api\DateTime::$server_timezone);
 								$time->setTimezone(self::$tz_cache[$event['tzid']]);
-								$arr = Api\DateTime::to($time,'array');
+								$arr = Api\DateTime::to($time, 'array');
 								$vevent->setAttribute($icalFieldName, array(
 									'year' => $arr['year'],
 									'month' => $arr['month'],
@@ -758,17 +758,17 @@ 
 						elseif ($event['recurrence'] && $event['reference'])
 						{
 							// $event['reference'] is a calendar_id, not a timestamp
-							if (!($revent = $this->read($event['reference']))) break;	// referenced event does not exist
+							if (!($revent = $this->read($event['reference']))) break; // referenced event does not exist
 
 							if (empty($revent['whole_day']))
 							{
-								$attributes[$icalFieldName] = self::getDateTime($event['recurrence'],$tzid,$parameters[$icalFieldName]);
+								$attributes[$icalFieldName] = self::getDateTime($event['recurrence'], $tzid, $parameters[$icalFieldName]);
 							}
 							else
 							{
-								$time = new Api\DateTime($event['recurrence'],Api\DateTime::$server_timezone);
+								$time = new Api\DateTime($event['recurrence'], Api\DateTime::$server_timezone);
 								$time->setTimezone(self::$tz_cache[$event['tzid']]);
-								$arr = Api\DateTime::to($time,'array');
+								$arr = Api\DateTime::to($time, 'array');
 								$vevent->setAttribute($icalFieldName, array(
 									'year' => $arr['year'],
 									'month' => $arr['month'],
@@ -792,9 +792,9 @@ 
 							$noTruncate = $this->clientProperties[$icalFieldName]['NoTruncate'];
 							if ($this->log && $size > 0)
 							{
-								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-									"() $icalFieldName Size: $size, NoTruncate: " .
-									($noTruncate ? 'TRUE' : 'FALSE') . "\n",3,$this->logfile);
+								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+									"() $icalFieldName Size: $size, NoTruncate: ".
+									($noTruncate ? 'TRUE' : 'FALSE')."\n", 3, $this->logfile);
 							}
 							//Horde::logMessage("vCalendar $icalFieldName Size: $size, NoTruncate: " .
 							//	($noTruncate ? 'TRUE' : 'FALSE'), __FILE__, __LINE__, PEAR_LOG_DEBUG);
@@ -812,8 +812,8 @@ 
 							{
 								if ($this->log)
 								{
-									error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-										"() $icalFieldName omitted due to maximum size $size\n",3,$this->logfile);
+									error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+										"() $icalFieldName omitted due to maximum size $size\n", 3, $this->logfile);
 								}
 								//Horde::logMessage("vCalendar $icalFieldName omitted due to maximum size $size",
 								//	__FILE__, __LINE__, PEAR_LOG_WARNING);
@@ -823,8 +823,8 @@ 
 							$value = substr($value, 0, $size - 1);
 							if ($this->log)
 							{
-								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-									"() $icalFieldName truncated to maximum size $size\n",3,$this->logfile);
+								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+									"() $icalFieldName truncated to maximum size $size\n", 3, $this->logfile);
 							}
 							//Horde::logMessage("vCalendar $icalFieldName truncated to maximum size $size",
 							//	__FILE__, __LINE__, PEAR_LOG_INFO);
@@ -839,7 +839,7 @@ 
 			// for CalDAV add all X-Properties previously parsed
 			if ($this->productManufacturer == 'groupdav' || $this->productManufacturer == 'file')
 			{
-				foreach($event as $name => $value)
+				foreach ($event as $name => $value)
 				{
 					if (substr($name, 0, 2) == '##')
 					{
@@ -911,8 +911,8 @@ 
 						$values['AALARM']['repeat count'] = '';
 						$values['AALARM']['display text'] = $description;
 					}
-					$attributes['DALARM'] = self::getDateTime($alarmData['time'],$tzid,$parameters['DALARM']);
-					$attributes['AALARM'] = self::getDateTime($alarmData['time'],$tzid,$parameters['AALARM']);
+					$attributes['DALARM'] = self::getDateTime($alarmData['time'], $tzid, $parameters['DALARM']);
+					$attributes['AALARM'] = self::getDateTime($alarmData['time'], $tzid, $parameters['AALARM']);
 					// lets take only the first alarm
 					break;
 				}
@@ -949,7 +949,7 @@ 
 						$alarmData['offset'] = false;
 					}
 
-					$valarm = Horde_Icalendar::newComponent('VALARM',$vevent);
+					$valarm = Horde_Icalendar::newComponent('VALARM', $vevent);
 					if ($alarmData['offset'] !== false)
 					{
 						$valarm->setAttribute('TRIGGER', -$alarmData['offset'],
@@ -958,7 +958,7 @@ 
 					else
 					{
 						$params = array('VALUE' => 'DATE-TIME');
-						$value = self::getDateTime($alarmData['time'],$tzid,$params);
+						$value = self::getDateTime($alarmData['time'], $tzid, $params);
 						$valarm->setAttribute('TRIGGER', $value, $params);
 					}
 					if (!empty($alarmData['uid']))
@@ -969,7 +969,7 @@ 
 					// set evtl. existing attributes set by iCal clients not used by EGroupware
 					if (isset($alarmData['attrs']))
 					{
-						foreach($alarmData['attrs'] as $attr => $data)
+						foreach ($alarmData['attrs'] as $attr => $data)
 						{
 							$valarm->setAttribute($attr, $data['value'], $data['params']);
 						}
@@ -977,11 +977,11 @@ 
 					// set default ACTION and DESCRIPTION, if not set by a client
 					if (!isset($alarmData['attrs']) || !isset($alarmData['attrs']['ACTION']))
 					{
-						$valarm->setAttribute('ACTION','DISPLAY');
+						$valarm->setAttribute('ACTION', 'DISPLAY');
 					}
 					if (!isset($alarmData['attrs']) || !isset($alarmData['attrs']['DESCRIPTION']))
 					{
-						$valarm->setAttribute('DESCRIPTION',$event['title'] ? $event['title'] : $description);
+						$valarm->setAttribute('DESCRIPTION', $event['title'] ? $event['title'] : $description);
 					}
 					$vevent->addComponent($valarm);
 				}
@@ -989,15 +989,15 @@ 
 
 			foreach ($attributes as $key => $value)
 			{
-				foreach (is_array($value) && $parameters[$key]['VALUE']!='DATE' ? $value : array($value) as $valueID => $valueData)
+				foreach (is_array($value) && $parameters[$key]['VALUE'] != 'DATE' ? $value : array($value) as $valueID => $valueData)
 				{
-					$valueData = Api\Translation::convert($valueData,Api\Translation::charset(),$charset);
-                    $paramData = (array) Api\Translation::convert(is_array($value) ?
+					$valueData = Api\Translation::convert($valueData, Api\Translation::charset(), $charset);
+                    $paramData = (array)Api\Translation::convert(is_array($value) ?
                     		$parameters[$key][$valueID] : $parameters[$key],
-                            Api\Translation::charset(),$charset);
-                    $valuesData = (array) Api\Translation::convert($values[$key],
-                    		Api\Translation::charset(),$charset);
-                    $content = $valueData . implode(';', $valuesData);
+                            Api\Translation::charset(), $charset);
+                    $valuesData = (array)Api\Translation::convert($values[$key],
+                    		Api\Translation::charset(), $charset);
+                    $content = $valueData.implode(';', $valuesData);
 
 					if ($version == '1.0' && (preg_match('/[^\x20-\x7F]/', $content) ||
 						($paramData['CN'] && preg_match('/[^\x20-\x7F]/', $paramData['CN']))))
@@ -1047,10 +1047,10 @@ 
 		$retval = $events_exported ? $vcal->exportvCalendar() : false;
  		if ($this->log)
  		{
- 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-				"() '$this->productManufacturer','$this->productName'\n",3,$this->logfile);
- 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-				"()\n".array2string($retval)."\n",3,$this->logfile);
+ 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+				"() '$this->productManufacturer','$this->productName'\n", 3, $this->logfile);
+ 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+				"()\n".array2string($retval)."\n", 3, $this->logfile);
  		}
 		return $retval;
 	}
@@ -1063,15 +1063,15 @@ 
 	 * @param array &$params=null parameter array to set TZID
 	 * @return mixed attribute value to set: integer timestamp if $tzid == 'UTC' otherwise Ymd\THis string IN $tzid
 	 */
-	static function getDateTime($time,$tzid,array &$params=null)
+	static function getDateTime($time, $tzid, array &$params = null)
 	{
 		if (empty($tzid) || $tzid == 'UTC')
 		{
-			return Api\DateTime::to($time,'ts');
+			return Api\DateTime::to($time, 'ts');
 		}
-		if (!is_a($time,'DateTime'))
+		if (!is_a($time, 'DateTime'))
 		{
-			$time = new Api\DateTime($time,Api\DateTime::$server_timezone);
+			$time = new Api\DateTime($time, Api\DateTime::$server_timezone);
 		}
 		if (!isset(self::$tz_cache[$tzid]))
 		{
@@ -1106,11 +1106,11 @@ 
 	 * @param string $caldav_name=null name from CalDAV client or null (to use default)
 	 * @return int|boolean|null cal_id > 0 on success, false on failure or 0 for a failed etag|permission denied or null for "403 Forbidden"
 	 */
-	function importVCal($_vcalData, $cal_id=-1, $etag=null, $merge=false, $recur_date=0, $principalURL='', $user=null, $charset=null, $caldav_name=null,$skip_notification=false)
+	function importVCal($_vcalData, $cal_id = -1, $etag = null, $merge = false, $recur_date = 0, $principalURL = '', $user = null, $charset = null, $caldav_name = null, $skip_notification = false)
 	{
 		//error_log(__METHOD__."(, $cal_id, $etag, $merge, $recur_date, $principalURL, $user, $charset, $caldav_name)");
 		$this->events_imported = 0;
-		$replace = $delete_exceptions= false;
+		$replace = $delete_exceptions = false;
 
 		if (!is_array($this->supportedFields)) $this->setSupportedFields();
 
@@ -1118,7 +1118,7 @@ 
 		{
 			return false;
 		}
-		if (!is_array($events)) $cal_id = -1;	// just to be sure, as iterator does NOT allow array access (eg. $events[0])
+		if (!is_array($events)) $cal_id = -1; // just to be sure, as iterator does NOT allow array access (eg. $events[0])
 
 		if ($cal_id > 0)
 		{
@@ -1126,7 +1126,7 @@ 
 			{
 				$replace = $recur_date == 0;
 				$events[0]['id'] = $cal_id;
-				if (!is_null($etag)) $events[0]['etag'] = (int) $etag;
+				if (!is_null($etag)) $events[0]['etag'] = (int)$etag;
 				if ($recur_date) $events[0]['recurrence'] = $recur_date;
 			}
 			elseif (($foundEvent = $this->find_event(array('id' => $cal_id), 'exact')) &&
@@ -1178,7 +1178,7 @@ 
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
 					."($cal_id, $etag, $recur_date, $principalURL, $user, $charset)\n"
-					. array2string($event)."\n",3,$this->logfile);
+					. array2string($event)."\n", 3, $this->logfile);
 			}
 
 			$updated_id = false;
@@ -1201,14 +1201,14 @@ 
 					{
 						if ($delete_exceptions)
 						{
-							$this->delete($id,0,false,$skip_notification);
+							$this->delete($id, 0, false, $skip_notification);
 						}
 						else
 						{
 							if (!($exception = $this->read($id))) continue;
 							$exception['uid'] = Api\CalDAV::generate_uid('calendar', $id);
 							$exception['reference'] = $exception['recurrence'] = 0;
-							$this->update($exception, true,true,false,true,$msg,$skip_notification);
+							$this->update($exception, true, true, false, true, $msg, $skip_notification);
 						}
 					}
 				}
@@ -1225,7 +1225,7 @@ 
 				{
 					error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
 						. "(UPDATE Event)\n"
-						. array2string($event_info['stored_event'])."\n",3,$this->logfile);
+						. array2string($event_info['stored_event'])."\n", 3, $this->logfile);
 				}
 				if (empty($event['uid']))
 				{
@@ -1247,7 +1247,7 @@ 
 								if ($this->log)
 								{
 									error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-										"() Restore status for $uid\n",3,$this->logfile);
+										"() Restore status for $uid\n", 3, $this->logfile);
 								}
 								$event['participants'][$uid] = $event_info['stored_event']['participants'][$uid];
 							}
@@ -1271,7 +1271,7 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"()[MERGE]\n",3,$this->logfile);
+							"()[MERGE]\n", 3, $this->logfile);
 					}
 					// overwrite with server data for merge
 					foreach ($event_info['stored_event'] as $key => $value)
@@ -1301,7 +1301,7 @@ 
 				else
 				{
 					// no merge
-					if(!isset($this->supportedFields['category']) || !isset($event['category']))
+					if (!isset($this->supportedFields['category']) || !isset($event['category']))
 					{
 						$event['category'] = $event_info['stored_event']['category'];
 					}
@@ -1313,7 +1313,7 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"() No participants\n",3,$this->logfile);
+							"() No participants\n", 3, $this->logfile);
 						}
 
 						// If this is an updated meeting, and the client doesn't support
@@ -1332,7 +1332,7 @@ 
 								if ($this->log)
 								{
 									error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-										"() Restore resource $uid to status $status\n",3,$this->logfile);
+										"() Restore resource $uid to status $status\n", 3, $this->logfile);
 								}
 								// Add it back in
 								$event['participants'][$uid] = $status;
@@ -1420,8 +1420,7 @@ 
 						}
 						// for resources check which new-status to give (eg. with direct booking permision 'A' instead 'U')
 						$event['participants'][$user] = calendar_so::combine_status(
-							$user < 0 || !isset($this->resources[$user[0]]['new_status']) ? 'U' :
-							ExecMethod($this->resources[$user[0]]['new_status'], substr($user, 1)));
+							$user < 0 || !isset($this->resources[$user[0]]['new_status']) ? 'U' : ExecMethod($this->resources[$user[0]]['new_status'], substr($user, 1)));
 					}
 				}
 				// check if an owner is set and the current user has add rights
@@ -1486,9 +1485,9 @@ 
 
 			if ($this->log)
 			{
-				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ . '('
-					. $event_info['type'] . ")\n"
-					. array2string($event)."\n",3,$this->logfile);
+				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'('
+					. $event_info['type'].")\n"
+					. array2string($event)."\n", 3, $this->logfile);
 			}
 
 			// Android (any maybe others) delete recurrences by setting STATUS: CANCELLED
@@ -1496,10 +1495,10 @@ 
 			if (in_array($event_info['type'], array('SERIES-EXCEPTION', 'SERIES-EXCEPTION-PROPAGATE', 'SERIES-PSEUDO-EXCEPTION')) &&
 				$event['status'] == 'CANCELLED')
 			{
-				if (!$this->delete($event['id'] ? $event['id'] : $cal_id, $event['recurrence'],false,$skip_notification))
+				if (!$this->delete($event['id'] ? $event['id'] : $cal_id, $event['recurrence'], false, $skip_notification))
 				{
 					// delete fails (because no rights), reject recurrence
-					$this->set_status($event['id'] ? $event['id'] : $cal_id, $this->user, 'R', $event['recurrence'],false,true,$skip_notification);
+					$this->set_status($event['id'] ? $event['id'] : $cal_id, $this->user, 'R', $event['recurrence'], false, true, $skip_notification);
 				}
 				continue;
 			}
@@ -1511,7 +1510,7 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"(): event SINGLE\n",3,$this->logfile);
+							"(): event SINGLE\n", 3, $this->logfile);
 					}
 
 					// update the event
@@ -1521,7 +1520,7 @@ 
 						$event['reference'] = 0;
 						$event_to_store = $event; // prevent $event from being changed by the update method
 						$this->server2usertime($event_to_store);
-						$updated_id = $this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
+						$updated_id = $this->update($event_to_store, true, true, false, true, $msg, $skip_notification);
 						unset($event_to_store);
 					}
 					break;
@@ -1530,7 +1529,7 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"(): event SERIES-MASTER\n",3,$this->logfile);
+							"(): event SERIES-MASTER\n", 3, $this->logfile);
 					}
 
 					// remove all known pseudo exceptions and update the event
@@ -1540,8 +1539,8 @@ 
 						$days = $this->so->get_recurrence_exceptions($event_info['stored_event'], $this->tzid, 0, 0, $filter);
 						if ($this->log)
 						{
-							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."(EXCEPTIONS MAPPING):\n" .
-								array2string($days)."\n",3,$this->logfile);
+							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."(EXCEPTIONS MAPPING):\n".
+								array2string($days)."\n", 3, $this->logfile);
 						}
 						if (is_array($days))
 						{
@@ -1559,7 +1558,7 @@ 
 
 						$event_to_store = $event; // prevent $event from being changed by the update method
 						$this->server2usertime($event_to_store);
-						$updated_id = $this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
+						$updated_id = $this->update($event_to_store, true, true, false, true, $msg, $skip_notification);
 						unset($event_to_store);
 					}
 					break;
@@ -1569,7 +1568,7 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"(): event SERIES-EXCEPTION\n",3,$this->logfile);
+							"(): event SERIES-EXCEPTION\n", 3, $this->logfile);
 					}
 
 					// update event
@@ -1625,13 +1624,13 @@ 
 							$event['owner'] = $event_info['master_event']['owner'];
 							$event_to_store = $event_info['master_event']; // prevent the master_event from being changed by the update method
 							$this->server2usertime($event_to_store);
-							$this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
+							$this->update($event_to_store, true, true, false, true, $msg, $skip_notification);
 							unset($event_to_store);
 						}
 
 						$event_to_store = $event; // prevent $event from being changed by update method
 						$this->server2usertime($event_to_store);
-						$updated_id = $this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
+						$updated_id = $this->update($event_to_store, true, true, false, true, $msg, $skip_notification);
 						unset($event_to_store);
 					}
 					break;
@@ -1640,7 +1639,7 @@ 
 					if ($this->log)
 					{
 						error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-							"(): event SERIES-PSEUDO-EXCEPTION\n",3,$this->logfile);
+							"(): event SERIES-PSEUDO-EXCEPTION\n", 3, $this->logfile);
 					}
 					//Horde::logMessage('importVCAL event SERIES-PSEUDO-EXCEPTION',
 					//	__FILE__, __LINE__, PEAR_LOG_DEBUG);
@@ -1661,7 +1660,7 @@ 
 						// save the series master with the adjusted exceptions
 						$event_to_store = $event_info['master_event']; // prevent the master_event from being changed by the update method
 						$this->server2usertime($event_to_store);
-						$updated_id = $this->update($event_to_store, true, true, false, false,$msg,$skip_notification);
+						$updated_id = $this->update($event_to_store, true, true, false, false, $msg, $skip_notification);
 						unset($event_to_store);
 					}
 
@@ -1688,13 +1687,13 @@ 
 							if ($event_info['acl_edit'])
 							{
 								// update all participants if we have the right to do that
-								$this->update_status($event, $event_info['stored_event'],0,$skip_notification);
+								$this->update_status($event, $event_info['stored_event'], 0, $skip_notification);
 							}
 							elseif (isset($event['participants'][$this->user]) || isset($event_info['stored_event']['participants'][$this->user]))
 							{
 								// update the users status only
 								$this->set_status($event_info['stored_event']['id'], $this->user,
-									($event['participants'][$this->user] ? $event['participants'][$this->user] : 'R'), 0, true,true,$skip_notification);
+									($event['participants'][$this->user] ? $event['participants'][$this->user] : 'R'), 0, true, true, $skip_notification);
 							}
 						}
 						break;
@@ -1706,13 +1705,13 @@ 
 							if ($event_info['acl_edit'])
 							{
 								// update all participants if we have the right to do that
-								$this->update_status($event, $event_info['stored_event'], $recurrence,$skip_notification);
+								$this->update_status($event, $event_info['stored_event'], $recurrence, $skip_notification);
 							}
 							elseif (isset($event['participants'][$this->user]) || isset($event_info['master_event']['participants'][$this->user]))
 							{
 								// update the users status only
 								$this->set_status($event_info['master_event']['id'], $this->user,
-									($event['participants'][$this->user] ? $event['participants'][$this->user] : 'R'), $recurrence, true,true,$skip_notification);
+									($event['participants'][$this->user] ? $event['participants'][$this->user] : 'R'), $recurrence, true, true, $skip_notification);
 							}
 						}
 						break;
@@ -1729,7 +1728,7 @@ 
 					break;
 
 				case 'SERIES-PSEUDO-EXCEPTION':
-					$return_id = is_array($event_info['master_event']) ? $event_info['master_event']['id'] . ':' . $event['recurrence'] : false;
+					$return_id = is_array($event_info['master_event']) ? $event_info['master_event']['id'].':'.$event['recurrence'] : false;
 					break;
 
 				case 'SERIES-EXCEPTION-PROPAGATE':
@@ -1742,7 +1741,7 @@ 
 					{
 						// we did not have sufficient rights to propagate the status only exception to a real one
 						// we have to keep the SERIES-PSEUDO-EXCEPTION id and keep the event untouched
-						$return_id = $event_info['master_event']['id'] . ':' . $event['recurrence'];
+						$return_id = $event_info['master_event']['id'].':'.$event['recurrence'];
 					}
 					break;
 			}
@@ -1756,8 +1755,8 @@ 
 			if ($this->log)
 			{
 				$event_info['stored_event'] = $this->read($event_info['stored_event']['id']);
-				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()[$updated_id]\n" .
-					array2string($event_info['stored_event'])."\n",3,$this->logfile);
+				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()[$updated_id]\n".
+					array2string($event_info['stored_event'])."\n", 3, $this->logfile);
 			}
 		}
 		date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
@@ -1777,10 +1776,10 @@ 
 	{
 		if ($this->debug) error_log(__METHOD__."(".array2string($event).', old_alarms='.array2string($old_alarms).", $user,)");
 		$modified = 0;
-		foreach($event['alarm'] as &$alarm)
+		foreach ($event['alarm'] as &$alarm)
 		{
 			// check if alarm is already stored or from other users
-			foreach($old_alarms as $id => $old_alarm)
+			foreach ($old_alarms as $id => $old_alarm)
 			{
 				// not current users alarm --> ignore
 				if (!$old_alarm['all'] && $old_alarm['owner'] != $user)
@@ -1817,7 +1816,7 @@ 
 			}
 		}
 		// remove all old alarms left from current user
-		foreach($old_alarms as $id => $old_alarm)
+		foreach ($old_alarms as $id => $old_alarm)
 		{
 			// not current users alarm --> ignore
 			if (!$old_alarm['all'] && $old_alarm['owner'] != $user)
@@ -1840,7 +1839,7 @@ 
 	 * @param string $what ='value'
 	 * @return mixed
 	 */
-	static function _get_attribute($components,$name,$what='value')
+	static function _get_attribute($components, $name, $what = 'value')
 	{
 		foreach ($components as $attribute)
 		{
@@ -1875,7 +1874,7 @@ 
 						case 'DURATION':
 							if (isset($vattr['params']['RELATED']) && $vattr['params']['RELATED'] == 'END')
 							{
-								$alarm['offset'] = $duration -$vattr['value'];
+								$alarm['offset'] = $duration - $vattr['value'];
 							}
 							elseif (isset($vattr['params']['RELATED']) && $vattr['params']['RELATED'] != 'START')
 							{
@@ -1891,7 +1890,7 @@ 
 							$alarm['time'] = $vattr['value'];
 							break;
 						default:
-							error_log('VALARM/TRIGGER: unsupported value type:' . $vtype);
+							error_log('VALARM/TRIGGER: unsupported value type:'.$vtype);
 					}
 					break;
 
@@ -1916,9 +1915,9 @@ 
 		return 0;
 	}
 
-	function setSupportedFields($_productManufacturer='', $_productName='')
+	function setSupportedFields($_productManufacturer = '', $_productName = '')
 	{
-		$state =& $_SESSION['SyncML.state'];
+		$state = & $_SESSION['SyncML.state'];
 		if (isset($state))
 		{
 			$deviceInfo = $state->getClientDeviceInfo();
@@ -2215,10 +2214,10 @@ 
 		if ($this->log)
 		{
 			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-				'(' . $this->productManufacturer .
-				', '. $this->productName .', ' .
-				($this->tzid ? $this->tzid : Api\DateTime::$user_timezone->getName()) .
-				', ' . $this->calendarOwner . ")\n" , 3, $this->logfile);
+				'('.$this->productManufacturer.
+				', '.$this->productName.', '.
+				($this->tzid ? $this->tzid : Api\DateTime::$user_timezone->getName()).
+				', '.$this->calendarOwner.")\n", 3, $this->logfile);
 		}
 
 		//Horde::logMessage('setSupportedFields(' . $this->productManufacturer . ', '
@@ -2236,12 +2235,12 @@ 
      *                         utf-8 for new format, iso-8859-1 for old format.
 	 * @return Iterator|array|boolean Iterator if resource given or array of events on success, false on failure
 	 */
-	function icaltoegw($_vcalData, $principalURL='', $charset=null)
+	function icaltoegw($_vcalData, $principalURL = '', $charset = null)
 	{
 		if ($this->log)
 		{
-			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."($principalURL, $charset)\n" .
-				array2string($_vcalData)."\n",3,$this->logfile);
+			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."($principalURL, $charset)\n".
+				array2string($_vcalData)."\n", 3, $this->logfile);
 		}
 
 		if (!is_array($this->supportedFields)) $this->setSupportedFields();
@@ -2276,14 +2275,14 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
-					"(): No vCalendar Container found!\n",3,$this->logfile);
+					"(): No vCalendar Container found!\n", 3, $this->logfile);
 			}
 			date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
 			return false;
 		}
 		foreach ($vcal->getComponents() as $component)
 		{
-			if (($event = $this->_ical2egw_callback($component,$this->tzid,$principalURL,$vcal)))
+			if (($event = $this->_ical2egw_callback($component, $this->tzid, $principalURL, $vcal)))
 			{
 				$events[] = $event;
 			}
@@ -2328,13 +2327,13 @@ 
 	 * @param Horde_Icalendar $container =null container to access attributes on container
 	 * @return array|boolean event array or false if $component is no Horde_Icalendar_Vevent
 	 */
-	function _ical2egw_callback(Horde_Icalendar $component, $tzid, $principalURL='', Horde_Icalendar $container=null)
+	function _ical2egw_callback(Horde_Icalendar $component, $tzid, $principalURL = '', Horde_Icalendar $container = null)
 	{
 		//unset($component->_container); _debug_array($component);
 
 		if ($this->log)
 		{
-			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'() '.get_class($component)." found\n",3,$this->logfile);
+			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'() '.get_class($component)." found\n", 3, $this->logfile);
 		}
 
 		// eg. Mozilla holiday calendars contain only a X-WR-TIMEZONE on vCalendar component
@@ -2389,16 +2388,16 @@ 
 	 * @param Horde_Icalendar $container =null container to access attributes on container
 	 * @return array|boolean			event on success, false on failure
 	 */
-	function vevent2egw($component, $version, $supportedFields, $principalURL='', $check_component='Horde_Icalendar_Vevent', Horde_Icalendar $container=null)
+	function vevent2egw($component, $version, $supportedFields, $principalURL = '', $check_component = 'Horde_Icalendar_Vevent', Horde_Icalendar $container = null)
 	{
-		unset($principalURL);	// not longer used, but required in function signature
+		unset($principalURL); // not longer used, but required in function signature
 
 		if ($check_component && !is_a($component, $check_component))
 		{
 			if ($this->log)
 			{
-				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'()' .
-					get_class($component)." found\n",3,$this->logfile);
+				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'()'.
+					get_class($component)." found\n", 3, $this->logfile);
 			}
 			return false;
 		}
@@ -2414,11 +2413,11 @@ 
 
 		$isDate = false;
 		$event		= array();
-		$alarms		= array();
-		$vcardData	= array(
+		$alarms = array();
+		$vcardData = array(
 			'recur_type'		=> MCAL_RECUR_NONE,
 			'recur_exception'	=> array(),
-			'priority'          => 0,	// iCalendar default is 0=undefined, not EGroupware 5=normal
+			'priority'          => 0, // iCalendar default is 0=undefined, not EGroupware 5=normal
 		);
 		// we need to parse DTSTART, DTEND or DURATION (in that order!) first
 		foreach (array_merge(
@@ -2435,7 +2434,7 @@ 
 						$isDate = true;
 					}
 					$dtstart_ts = is_numeric($attributes['value']) ? $attributes['value'] : $this->date2ts($attributes['value']);
-					$vcardData['start']	= $dtstart_ts;
+					$vcardData['start'] = $dtstart_ts;
 
 					if ($this->tzid)
 					{
@@ -2458,18 +2457,18 @@ 
 								}
 								else
 								{
-									error_log(__METHOD__ . '() unknown TZID='
-										. $attributes['params']['TZID'] . ', defaulting to timezone "'
-										. date_default_timezone_get() . '".'.array2string($tz));
-									$event['tzid'] = date_default_timezone_get();	// default to current timezone
+									error_log(__METHOD__.'() unknown TZID='
+										. $attributes['params']['TZID'].', defaulting to timezone "'
+										. date_default_timezone_get().'".'.array2string($tz));
+									$event['tzid'] = date_default_timezone_get(); // default to current timezone
 								}
 							}
-							catch(Exception $e)
+							catch (Exception $e)
 							{
-								error_log(__METHOD__ . '() unknown TZID='
-									. $attributes['params']['TZID'] . ', defaulting to timezone "'
-									. date_default_timezone_get() . '".'.$e->getMessage());
-								$event['tzid'] = date_default_timezone_get();	// default to current timezone
+								error_log(__METHOD__.'() unknown TZID='
+									. $attributes['params']['TZID'].', defaulting to timezone "'
+									. date_default_timezone_get().'".'.$e->getMessage());
+								$event['tzid'] = date_default_timezone_get(); // default to current timezone
 							}
 						}
 						else
@@ -2484,11 +2483,11 @@ 
 
 				case 'DTEND':
 					$dtend_ts = is_numeric($attributes['value']) ? $attributes['value'] : $this->date2ts($attributes['value']);
-					if (date('H:i:s',$dtend_ts) == '00:00:00')
+					if (date('H:i:s', $dtend_ts) == '00:00:00')
 					{
 						$dtend_ts -= 1;
 					}
-					$vcardData['end']	= $dtend_ts;
+					$vcardData['end'] = $dtend_ts;
 					break;
 
 				case 'DURATION':	// clients can use DTSTART+DURATION, instead of DTSTART+DTEND
@@ -2508,7 +2507,7 @@ 
 			if ($this->log)
 			{
 				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-					. "() DTSTART missing!\n",3,$this->logfile);
+					. "() DTSTART missing!\n", 3, $this->logfile);
 			}
 			return false; // not a valid entry
 		}
@@ -2520,7 +2519,7 @@ 
 				case 'X-MICROSOFT-CDO-ALLDAYEVENT':
 					if (isset($supportedFields['whole_day']))
 					{
-						$event['whole_day'] = (isset($attributes['value'])?strtoupper($attributes['value'])=='TRUE':true);
+						$event['whole_day'] = (isset($attributes['value']) ? strtoupper($attributes['value']) == 'TRUE' : true);
 					}
 					break;
 				case 'AALARM':
@@ -2550,32 +2549,32 @@ 
 					$vcardData['recurrence'] = $attributes['value'];
 					break;
 				case 'LOCATION':
-					$vcardData['location']	= str_replace("\r\n", "\n", $attributes['value']);
+					$vcardData['location'] = str_replace("\r\n", "\n", $attributes['value']);
 					break;
 				case 'RRULE':
 					$recurence = $attributes['value'];
 					$vcardData['recur_interval'] = 1;
-					$type = preg_match('/FREQ=([^;: ]+)/i',$recurence,$matches) ? $matches[1] : $recurence[0];
+					$type = preg_match('/FREQ=([^;: ]+)/i', $recurence, $matches) ? $matches[1] : $recurence[0];
 					// vCard 2.0 values for all types
-					if (preg_match('/UNTIL=([0-9TZ]+)/',$recurence,$matches))
+					if (preg_match('/UNTIL=([0-9TZ]+)/', $recurence, $matches))
 					{
 						$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($matches[1]);
 						// If it couldn't be parsed, treat it as not set
-						if(is_string($vcardData['recur_enddate']))
+						if (is_string($vcardData['recur_enddate']))
 						{
 							unset($vcardData['recur_enddate']);
 						}
 					}
-					elseif (preg_match('/COUNT=([0-9]+)/',$recurence,$matches))
+					elseif (preg_match('/COUNT=([0-9]+)/', $recurence, $matches))
 					{
 						$vcardData['recur_count'] = (int)$matches[1];
 					}
-					if (preg_match('/INTERVAL=([0-9]+)/',$recurence,$matches))
+					if (preg_match('/INTERVAL=([0-9]+)/', $recurence, $matches))
 					{
-						$vcardData['recur_interval'] = (int) $matches[1] ? (int) $matches[1] : 1;
+						$vcardData['recur_interval'] = (int)$matches[1] ? (int)$matches[1] : 1;
 					}
 					$vcardData['recur_data'] = 0;
-					switch($type)
+					switch ($type)
 					{
 						case 'D':	// 1.0
 							$recurenceMatches = null;
@@ -2599,20 +2598,20 @@ 
 						case 'W':
 						case 'WEEKLY':
 							$days = array();
-							if (preg_match('/W(\d+) *((?i: [AEFHMORSTUW]{2})+)?( +([^ ]*))$/',$recurence, $recurenceMatches))		// 1.0
+							if (preg_match('/W(\d+) *((?i: [AEFHMORSTUW]{2})+)?( +([^ ]*))$/', $recurence, $recurenceMatches))		// 1.0
 							{
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								if (empty($recurenceMatches[2]))
 								{
-									$days[0] = strtoupper(substr(date('D', $vcardData['start']),0,2));
+									$days[0] = strtoupper(substr(date('D', $vcardData['start']), 0, 2));
 								}
 								else
 								{
-									$days = explode(' ',trim($recurenceMatches[2]));
+									$days = explode(' ', trim($recurenceMatches[2]));
 								}
 
 								$repeatMatches = null;
-								if (preg_match('/#(\d+)/',$recurenceMatches[4],$repeatMatches))
+								if (preg_match('/#(\d+)/', $recurenceMatches[4], $repeatMatches))
 								{
 									if ($repeatMatches[1]) $vcardData['recur_count'] = $repeatMatches[1];
 								}
@@ -2623,21 +2622,21 @@ 
 
 								$recur_days = $this->recur_days_1_0;
 							}
-							elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches))	// 2.0
+							elseif (preg_match('/BYDAY=([^;: ]+)/', $recurence, $recurenceMatches))	// 2.0
 							{
-								$days = explode(',',$recurenceMatches[1]);
+								$days = explode(',', $recurenceMatches[1]);
 								$recur_days = $this->recur_days;
 							}
 							else	// no day given, use the day of dtstart
 							{
-								$vcardData['recur_data'] |= 1 << (int)date('w',$vcardData['start']);
+								$vcardData['recur_data'] |= 1 << (int)date('w', $vcardData['start']);
 								$vcardData['recur_type'] = MCAL_RECUR_WEEKLY;
 							}
 							if ($days)
 							{
 								foreach ($recur_days as $id => $day)
 								{
-									if (in_array(strtoupper(substr($day,0,2)),$days))
+									if (in_array(strtoupper(substr($day, 0, 2)), $days))
 									{
 										$vcardData['recur_data'] |= $id;
 									}
@@ -2653,17 +2652,17 @@ 
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								$vcardData['recur_count'] = $recurenceMatches[2];
 							}
-							elseif (preg_match('/MD(\d+)(?: [^ ]+)? ([0-9TZ]+)/',$recurence, $recurenceMatches))
+							elseif (preg_match('/MD(\d+)(?: [^ ]+)? ([0-9TZ]+)/', $recurence, $recurenceMatches))
 							{
 								$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($recurenceMatches[2]);
 							}
-							elseif (preg_match('/MP(\d+) (.*) (.*) (.*)/',$recurence, $recurenceMatches))
+							elseif (preg_match('/MP(\d+) (.*) (.*) (.*)/', $recurence, $recurenceMatches))
 							{
 								$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_WDAY;
 								$vcardData['recur_interval'] = $recurenceMatches[1];
-								if (preg_match('/#(\d+)/',$recurenceMatches[4],$recurenceMatches))
+								if (preg_match('/#(\d+)/', $recurenceMatches[4], $recurenceMatches))
 								{
 									$vcardData['recur_count'] = $recurenceMatches[1];
 								}
@@ -2680,7 +2679,7 @@ 
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								$vcardData['recur_count'] = $recurenceMatches[2];
 							}
-							elseif (preg_match('/YM(\d+)(?: [^ ]+)? ([0-9TZ]+)/',$recurence, $recurenceMatches))
+							elseif (preg_match('/YM(\d+)(?: [^ ]+)? ([0-9TZ]+)/', $recurence, $recurenceMatches))
 							{
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($recurenceMatches[2]);
@@ -2694,11 +2693,11 @@ 
 							}
 							// handle FREQ=YEARLY;BYDAY= as FREQ=MONTHLY;BYDAY= with 12*INTERVAL
 							$vcardData['recur_interval'] = $vcardData['recur_interval'] ?
-								12*$vcardData['recur_interval'] : 12;
+								12 * $vcardData['recur_interval'] : 12;
 							// fall-through
 						case 'MONTHLY':
 							// does currently NOT parse BYDAY or BYMONTH, it has to be specified/identical to DTSTART
-							$vcardData['recur_type'] = strpos($recurence,'BYDAY') !== false ?
+							$vcardData['recur_type'] = strpos($recurence, 'BYDAY') !== false ?
 								MCAL_RECUR_MONTHLY_WDAY : MCAL_RECUR_MONTHLY_MDAY;
 							break;
 					}
@@ -2754,11 +2753,11 @@ 
 						(strpos($this->productName, 'outlook') !== false
 							|| strpos($this->productName, 'pocket pc') !== false))
 					{
-						$vcardData['priority'] = (int) $this->priority_funambol2egw[$attributes['value']];
+						$vcardData['priority'] = (int)$this->priority_funambol2egw[$attributes['value']];
 					}
 					else
 					{
-						$vcardData['priority'] = (int) $this->priority_ical2egw[$attributes['value']];
+						$vcardData['priority'] = (int)$this->priority_ical2egw[$attributes['value']];
 					}
 					break;
 				case 'CATEGORIES':
@@ -2772,10 +2771,10 @@ 
 					}
 					break;
 				case 'ORGANIZER':
-					$event['organizer'] = $attributes['value'];	// no egw field, but needed in AS
-					if (strtolower(substr($event['organizer'],0,7)) == 'mailto:')
+					$event['organizer'] = $attributes['value']; // no egw field, but needed in AS
+					if (strtolower(substr($event['organizer'], 0, 7)) == 'mailto:')
 					{
-						$event['organizer'] = substr($event['organizer'],7);
+						$event['organizer'] = substr($event['organizer'], 7);
 					}
 					if (!empty($attributes['params']['CN']))
 					{
@@ -2812,19 +2811,19 @@ 
 					}
 					// try parsing email and cn from attendee
 					elseif (preg_match('/mailto:([@.a-z0-9_-]+)|mailto:"?([.a-z0-9_ -]*)"?[ ]*<([@.a-z0-9_-]*)>/i',
-						$attributes['value'],$matches))
+						$attributes['value'], $matches))
 					{
 						$email = $matches[1] ? $matches[1] : $matches[3];
-						$cn = isset($matches[2]) ? $matches[2]: '';
+						$cn = isset($matches[2]) ? $matches[2] : '';
 					}
 					elseif (!empty($attributes['value']) &&
 						preg_match('/"?([.a-z0-9_ -]*)"?[ ]*<([@.a-z0-9_-]*)>/i',
-						$attributes['value'],$matches))
+						$attributes['value'], $matches))
 					{
 						$cn = $matches[1];
 						$email = $matches[2];
 					}
-					elseif (strpos($attributes['value'],'@') !== false)
+					elseif (strpos($attributes['value'], '@') !== false)
 					{
 						$email = $attributes['value'];
 					}
@@ -2841,7 +2840,7 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-								. "(): Found X-EGROUPWARE-UID: '$uid'\n",3,$this->logfile);
+								. "(): Found X-EGROUPWARE-UID: '$uid'\n", 3, $this->logfile);
 						}
 					}
 					elseif ($attributes['value'] == 'Unknown')
@@ -2859,7 +2858,7 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-								. "() Found account: '$uid', '$cn', '$email'\n",3,$this->logfile);
+								. "() Found account: '$uid', '$cn', '$email'\n", 3, $this->logfile);
 						}
 					}
 					if (!$uid)
@@ -2876,9 +2875,9 @@ 
 							$cn = str_replace(array('\\,', '\\;', '\\:', '\\\\'),
 										array(',', ';', ':', '\\'),
 										$attributes['params']['CN']);
-							if ($cn[0] == '"' && substr($cn,-1) == '"')
+							if ($cn[0] == '"' && substr($cn, -1) == '"')
 							{
-								$cn = substr($cn,1,-1);
+								$cn = substr($cn, 1, -1);
 							}
 							// not searching for $cn, as match can be not unique or without an email address
 							// --> notification will fail, better store just as email
@@ -2887,19 +2886,19 @@ 
 						if ($this->log)
 						{
 							error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-								. "() Search participant: '$cn', '$email'\n",3,$this->logfile);
+								. "() Search participant: '$cn', '$email'\n", 3, $this->logfile);
 						}
 
 						//elseif (//$attributes['params']['CUTYPE'] == 'GROUP'
-						if (preg_match('/(.*) '. lang('Group') . '/', $cn, $matches))
+						if (preg_match('/(.*) '.lang('Group').'/', $cn, $matches))
 						{
 							// we found a group
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-									. "() Found group: '$matches[1]', '$cn', '$email'\n",3,$this->logfile);
+									. "() Found group: '$matches[1]', '$cn', '$email'\n", 3, $this->logfile);
 							}
-							if (($uid =  $GLOBALS['egw']->accounts->name2id($matches[1], 'account_lid', 'g')))
+							if (($uid = $GLOBALS['egw']->accounts->name2id($matches[1], 'account_lid', 'g')))
 							{
 								//Horde::logMessage("vevent2egw: group participant $uid",
 								//			__FILE__, __LINE__, PEAR_LOG_DEBUG);
@@ -2913,7 +2912,7 @@ 
 										//Horde::logMessage("vevent2egw: set status to " . $status,
 										//		__FILE__, __LINE__, PEAR_LOG_DEBUG);
 										$vcardData['participants'][$this->user] =
-											calendar_so::combine_status($status,$quantity,$role);
+											calendar_so::combine_status($status, $quantity, $role);
 									}
 								}
 								$status = 'U'; // keep the group
@@ -2922,36 +2921,36 @@ 
 						}
 						elseif (empty($searcharray))
 						{
-							continue;	// participants without email AND CN --> ignore it
+							continue; // participants without email AND CN --> ignore it
 						}
 						elseif ((list($data) = $this->addressbook->search($searcharray,
-							array('id','egw_addressbook.account_id as account_id','n_fn'),
+							array('id', 'egw_addressbook.account_id as account_id', 'n_fn'),
 							'egw_addressbook.account_id IS NOT NULL DESC, n_fn IS NOT NULL DESC',
-							'','',false,'OR')))
+							'', '', false, 'OR')))
 						{
 							// found an addressbook entry
 							$uid = $data['account_id'] ? (int)$data['account_id'] : 'c'.$data['id'];
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-									. "() Found addressbook entry: '$uid', '$cn', '$email'\n",3,$this->logfile);
+									. "() Found addressbook entry: '$uid', '$cn', '$email'\n", 3, $this->logfile);
 							}
 						}
 						else
 						{
 							if (!$email)
 							{
-								$email = 'no-email@egroupware.org';	// set dummy email to store the CN
+								$email = 'no-email@egroupware.org'; // set dummy email to store the CN
 							}
-							$uid = 'e'. ($cn ? $cn . ' <' . $email . '>' : $email);
+							$uid = 'e'.($cn ? $cn.' <'.$email.'>' : $email);
 							if ($this->log)
 							{
 								error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
-									. "() Not Found, create dummy: '$uid', '$cn', '$email'\n",3,$this->logfile);
+									. "() Not Found, create dummy: '$uid', '$cn', '$email'\n", 3, $this->logfile);
 							}
 						}
 					}
-					switch($attributes['name'])
+					switch ($attributes['name'])
 					{
 						case 'ATTENDEE':
 							if (!isset($attributes['params']['ROLE']) &&
@@ -2965,7 +2964,7 @@ 
 								// keep role 'CHAIR' from an external organizer, even if he is a regular participant with a different role
 								// as this is currently the only way to store an external organizer and send him iMip responses
 								$q = $r = null;
-								if (isset($vcardData['participants'][$uid]) && ($s=$vcardData['participants'][$uid]) &&
+								if (isset($vcardData['participants'][$uid]) && ($s = $vcardData['participants'][$uid]) &&
 									calendar_so::split_status($s, $q, $r) && $r == 'CHAIR')
 								{
 									$role = 'CHAIR';
@@ -2979,7 +2978,7 @@ 
 									if (!$this->calendarOwner && is_numeric($uid) && $role == 'CHAIR')
 										$component->getAttribute('ORGANIZER');
 								}
-								catch(Horde_Icalendar_Exception $e)
+								catch (Horde_Icalendar_Exception $e)
 								{
 									// we can store the ORGANIZER as event owner
 									$event['owner'] = $uid;
@@ -3035,7 +3034,7 @@ 
 					break;
 
 				case 'ATTACH':
-					if ($attributes['params'] && !empty($attributes['params']['FMTTYPE'])) break;	// handeled by managed attachment code
+					if ($attributes['params'] && !empty($attributes['params']['FMTTYPE'])) break; // handeled by managed attachment code
 					// fall throught to store external attachment url
 				default:	// X- attribute or other by EGroupware unsupported property
 					//error_log(__METHOD__."() $attributes[name] = ".array2string($attributes));
@@ -3093,7 +3092,7 @@ 
 					if ($event['recur_type'] != MCAL_RECUR_NONE)
 					{
 						$event['reference'] = 0;
-						foreach (array('recur_interval','recur_enddate','recur_data','recur_exception','recur_count') as $r)
+						foreach (array('recur_interval', 'recur_enddate', 'recur_data', 'recur_exception', 'recur_count') as $r)
 						{
 							if (isset($vcardData[$r]))
 							{
@@ -3116,12 +3115,12 @@ 
 			// reset recure_enddate to 00:00:00 on the last day
 			$rriter = calendar_rrule::event2rrule($event, false);
 			$last = $rriter->normalize_enddate();
-			if(!is_object($last))
+			if (!is_object($last))
 			{
-				if($this->log)
+				if ($this->log)
 				{
-					error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
-					" Unable to determine recurrence end date.  \n".array2string($event),3, $this->logfile);
+					error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
+					" Unable to determine recurrence end date.  \n".array2string($event), 3, $this->logfile);
 				}
 				return false;
 			}
@@ -3130,16 +3129,16 @@ 
 			$event['recur_enddate'] = Api\DateTime::to($last, 'server');
 		}
 		// translate COUNT into an enddate, as we only store enddates
-		elseif($event['recur_count'])
+		elseif ($event['recur_count'])
 		{
 			$rriter = calendar_rrule::event2rrule($event, false);
 			$last = $rriter->count2date($event['recur_count']);
-			if(!is_object($last))
+			if (!is_object($last))
 			{
-				if($this->log)
+				if ($this->log)
 				{
 					error_log(__FILE__.'['.__LINE__.'] '.__METHOD__,
-					" Unable to determine recurrence end date.  \n".array2string($event),3, $this->logfile);
+					" Unable to determine recurrence end date.  \n".array2string($event), 3, $this->logfile);
 				}
 				return false;
 			}
@@ -3153,7 +3152,7 @@ 
 			if ($this->productManufacturer == 'groupdav' && $container &&
 				($x_calendarserver_access = $container->getAttribute('X-CALENDARSERVER-ACCESS')))
 			{
-				$event['public'] =  (int)(strtoupper($x_calendarserver_access) == 'PUBLIC');
+				$event['public'] = (int)(strtoupper($x_calendarserver_access) == 'PUBLIC');
 			}
 			//error_log(__METHOD__."() X-CALENDARSERVER-ACCESS=".array2string($x_calendarserver_access).' --> public='.array2string($event['public']));
 		}
@@ -3174,15 +3173,15 @@ 
 
 		if ($this->log)
 		{
-			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
-				array2string($event)."\n",3,$this->logfile);
+			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n".
+				array2string($event)."\n", 3, $this->logfile);
 		}
 		//Horde::logMessage("vevent2egw:\n" . print_r($event, true),
         //    	__FILE__, __LINE__, PEAR_LOG_DEBUG);
 		return $event;
 	}
 
-	function search($_vcalData, $contentID=null, $relax=false, $charset=null)
+	function search($_vcalData, $contentID = null, $relax = false, $charset = null)
 	{
 		if (($events = $this->icaltoegw($_vcalData, $charset)))
 		{
@@ -3203,8 +3202,8 @@ 
 			}
 			if ($this->log)
 			{
-				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."() found:\n" .
-					array2string($events)."\n",3,$this->logfile);
+				error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."() found:\n".
+					array2string($events)."\n", 3, $this->logfile);
 			}
 		}
 		return array();
@@ -3222,23 +3221,23 @@ 
 	 * @param array $extra =null extra attributes to add
 	 * 	X-CALENDARSERVER-MASK-UID can be used to not include an event specified by this uid as busy
 	 */
-	function freebusy($user,$end=null,$utc=true, $charset='UTF-8', $start=null, $method='PUBLISH', array $extra=null)
+	function freebusy($user, $end = null, $utc = true, $charset = 'UTF-8', $start = null, $method = 'PUBLISH', array $extra = null)
 	{
-		if (!$start) $start = time();	// default now
-		if (!$end) $end = time() + 100*DAY_s;	// default next 100 days
+		if (!$start) $start = time(); // default now
+		if (!$end) $end = time() + 100 * DAY_s; // default next 100 days
 
 		$vcal = new Horde_Icalendar;
-		$vcal->setAttribute('PRODID','-//EGroupware//NONSGML EGroupware Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
+		$vcal->setAttribute('PRODID', '-//EGroupware//NONSGML EGroupware Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
 			strtoupper($GLOBALS['egw_info']['user']['preferences']['common']['lang']));
-		$vcal->setAttribute('VERSION','2.0');
-		$vcal->setAttribute('METHOD',$method);
+		$vcal->setAttribute('VERSION', '2.0');
+		$vcal->setAttribute('METHOD', $method);
 
-		$vfreebusy = Horde_Icalendar::newComponent('VFREEBUSY',$vcal);
+		$vfreebusy = Horde_Icalendar::newComponent('VFREEBUSY', $vcal);
 
 		$attributes = array(
 			'DTSTAMP' => time(),
-			'DTSTART' => $this->date2ts($start,true),	// true = server-time
-			'DTEND' => $this->date2ts($end,true),	// true = server-time
+			'DTSTART' => $this->date2ts($start, true), // true = server-time
+			'DTEND' => $this->date2ts($end, true), // true = server-time
 		);
 		if (!$utc)
 		{
@@ -3249,9 +3248,9 @@ 
 		}
 		if (is_null($extra)) $extra = array(
 			'URL' => $this->freebusy_url($user),
-			'ORGANIZER' => 'mailto:'.$GLOBALS['egw']->accounts->id2name($user,'account_email'),
+			'ORGANIZER' => 'mailto:'.$GLOBALS['egw']->accounts->id2name($user, 'account_email'),
 		);
-		foreach($attributes+$extra as $attr => $value)
+		foreach ($attributes + $extra as $attr => $value)
 		{
 			$vfreebusy->setAttribute($attr, $value);
 		}
@@ -3274,16 +3273,16 @@ 
 
 				if ($utc)
 				{
-					$vfreebusy->setAttribute('FREEBUSY',array(array(
+					$vfreebusy->setAttribute('FREEBUSY', array(array(
 						'start' => $event['start'],
 						'end' => $event['end'],
 					)), array('FBTYPE' => $fbtype));
 				}
 				else
 				{
-					$vfreebusy->setAttribute('FREEBUSY',array(array(
-						'start' => date('Ymd\THis',$event['start']),
-						'end' => date('Ymd\THis',$event['end']),
+					$vfreebusy->setAttribute('FREEBUSY', array(array(
+						'start' => date('Ymd\THis', $event['start']),
+						'end' => date('Ymd\THis', $event['end']),
 					)), array('FBTYPE' => $fbtype));
 				}
 			}

Braces +317 added lines, -81 removed lines

@@ -177,7 +177,10 @@ 
 	function __construct(&$_clientProperties = array())
 	{
 		parent::__construct();
-		if ($this->log) $this->logfile = $GLOBALS['egw_info']['server']['temp_dir']."/log-vcal";
+		if ($this->log)
+		{
+			$this->logfile = $GLOBALS['egw_info']['server']['temp_dir']."/log-vcal";
+		}
 		$this->clientProperties = $_clientProperties;
 		$this->vCalendar = new Horde_Icalendar;
 		$this->addressbook = new Api\Contacts;
@@ -226,10 +229,14 @@ 
 			'ATTACH'        => 'attachments',
 		);
 
-		if (!is_array($this->supportedFields)) $this->setSupportedFields();
+		if (!is_array($this->supportedFields))
+		{
+			$this->setSupportedFields();
+		}
 
 		if ($this->productManufacturer == '' )
-		{	// syncevolution is broken
+		{
+// syncevolution is broken
 			$version = '2.0';
 		}
 
@@ -237,10 +244,16 @@ 
 		$vcal->setAttribute('PRODID','-//EGroupware//NONSGML EGroupware Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
 			strtoupper($GLOBALS['egw_info']['user']['preferences']['common']['lang']));
 		$vcal->setAttribute('VERSION', $version);
-		if ($method) $vcal->setAttribute('METHOD', $method);
+		if ($method)
+		{
+			$vcal->setAttribute('METHOD', $method);
+		}
 		$events_exported = false;
 
-		if (!is_array($events)) $events = array($events);
+		if (!is_array($events))
+		{
+			$events = array($events);
+		}
 
 		$vtimezones_added = array();
 		foreach ($events as $event)
@@ -306,7 +319,10 @@ 
 				self::$tz_cache[$event['tzid']] = calendar_timezones::DateTimeZone($event['tzid']);
 			}
 
-			if ($this->so->isWholeDay($event)) $event['whole_day'] = true;
+			if ($this->so->isWholeDay($event))
+			{
+				$event['whole_day'] = true;
+			}
 
 			if ($this->log)
 			{
@@ -317,7 +333,10 @@ 
 
 			if ($recurrence)
 			{
-				if (!($master = $this->read($event['id'], 0, true, 'server'))) continue;
+				if (!($master = $this->read($event['id'], 0, true, 'server')))
+				{
+					continue;
+				}
 
 				if (!isset($this->supportedFields['participants']))
 				{
@@ -374,7 +393,8 @@ 
 			if ($this->productManufacturer != 'file' && $this->uidExtension)
 			{
 				// Append UID to DESCRIPTION
-				if (!preg_match('/\[UID:.+\]/m', $event['description'])) {
+				if (!preg_match('/\[UID:.+\]/m', $event['description']))
+				{
 					$event['description'] .= "\n[UID:" . $event['uid'] . "]";
 				}
 			}
@@ -434,11 +454,21 @@ 
 							$quantity = $role = null;
 							calendar_so::split_status($status, $quantity, $role);
 							// do not include event owner/ORGANIZER as participant in his own calendar, if he is only participant
-							if (count($event['participants']) == 1 && $event['owner'] == $uid) continue;
+							if (count($event['participants']) == 1 && $event['owner'] == $uid)
+							{
+								continue;
+							}
 
-							if (!($info = $this->resource_info($uid))) continue;
+							if (!($info = $this->resource_info($uid)))
+							{
+								continue;
+							}
 
-							if (in_array($status, array('X','E'))) continue;	// dont include deleted participants
+							if (in_array($status, array('X','E')))
+							{
+								continue;
+							}
+							// dont include deleted participants
 
 							if ($this->log)
 							{
@@ -517,24 +547,49 @@ 
 							}
 							// ROLE={CHAIR|REQ-PARTICIPANT|OPT-PARTICIPANT|NON-PARTICIPANT|X-*}
 							$options = array();
-							if (!empty($participantCN)) $options['CN'] = $participantCN;
-							if (!empty($role)) $options['ROLE'] = $role;
-							if (!empty($status)) $options['PARTSTAT'] = $status;
-							if (!empty($cutype)) $options['CUTYPE'] = $cutype;
-							if (!empty($rsvp)) $options['RSVP'] = $rsvp;
+							if (!empty($participantCN))
+							{
+								$options['CN'] = $participantCN;
+							}
+							if (!empty($role))
+							{
+								$options['ROLE'] = $role;
+							}
+							if (!empty($status))
+							{
+								$options['PARTSTAT'] = $status;
+							}
+							if (!empty($cutype))
+							{
+								$options['CUTYPE'] = $cutype;
+							}
+							if (!empty($rsvp))
+							{
+								$options['RSVP'] = $rsvp;
+							}
 							if (!empty($info['email']) && $participantURL != 'mailto:'.$info['email'])
 							{
 								$options['EMAIL'] = $info['email'];	// only add EMAIL attribute, if not already URL, as eg. Akonadi is reported to have problems with it
 							}
-							if ($info['type'] != 'e') $options['X-EGROUPWARE-UID'] = (string)$uid;
-							if ($quantity > 1) $options['X-EGROUPWARE-QUANTITY'] = (string)$quantity;
+							if ($info['type'] != 'e')
+							{
+								$options['X-EGROUPWARE-UID'] = (string)$uid;
+							}
+							if ($quantity > 1)
+							{
+								$options['X-EGROUPWARE-QUANTITY'] = (string)$quantity;
+							}
 							$attributes['ATTENDEE'][] = $participantURL;
 							$parameters['ATTENDEE'][] = $options;
 						}
 						break;
 
 					case 'CLASS':
-						if ($event['public']) continue;	// public is default, no need to export, fails CalDAVTester if added as default
+						if ($event['public'])
+						{
+							continue;
+						}
+						// public is default, no need to export, fails CalDAVTester if added as default
 						$attributes['CLASS'] = $event['public'] ? 'PUBLIC' : 'PRIVATE';
 						// Apple iCal on OS X uses X-CALENDARSERVER-ACCESS: CONFIDENTIAL on VCALANDAR (not VEVENT!)
 						if (!$event['public'] && $this->productManufacturer == 'groupdav')
@@ -566,9 +621,18 @@ 
 									'CUTYPE'   => 'INDIVIDUAL',
 									//'RSVP'     => 'FALSE',
 									);
-								if (!empty($organizerCN)) $options['CN'] = $organizerCN;
-								if (!empty($organizerEMail)) $options['EMAIL'] = $organizerEMail;
-								if (!empty($event['owner'])) $options['X-EGROUPWARE-UID'] = $event['owner'];
+								if (!empty($organizerCN))
+								{
+									$options['CN'] = $organizerCN;
+								}
+								if (!empty($organizerEMail))
+								{
+									$options['EMAIL'] = $organizerEMail;
+								}
+								if (!empty($event['owner']))
+								{
+									$options['X-EGROUPWARE-UID'] = $event['owner'];
+								}
 								$attributes['ATTENDEE'][] = $organizerURL;
 			    				$parameters['ATTENDEE'][] = $options;
 		    				}
@@ -597,9 +661,12 @@ 
 						{
 							// Hack for CalDAVTester to export duration instead of endtime
 							if ($tzid == 'UTC' && $event['end'] - $event['start'] <= 86400)
-								$attributes['duration'] = $event['end'] - $event['start'];
-							else
-							$attributes['DTEND'] = self::getDateTime($event['end'],$tzid,$parameters['DTEND']);
+							{
+															$attributes['duration'] = $event['end'] - $event['start'];
+							}
+							else {
+														$attributes['DTEND'] = self::getDateTime($event['end'],$tzid,$parameters['DTEND']);
+							}
 						}
 						else
 						{
@@ -619,7 +686,11 @@ 
 						break;
 
 					case 'RRULE':
-						if ($event['recur_type'] == MCAL_RECUR_NONE) break;		// no recuring event
+						if ($event['recur_type'] == MCAL_RECUR_NONE)
+						{
+							break;
+						}
+						// no recuring event
 						$rriter = calendar_rrule::event2rrule($event, false, $tzid);
 						$rrule = $rriter->generate_rrule($version);
 						if ($event['recur_enddate'])
@@ -653,7 +724,10 @@ 
 						break;
 
 					case 'EXDATE':
-						if ($event['recur_type'] == MCAL_RECUR_NONE) break;
+						if ($event['recur_type'] == MCAL_RECUR_NONE)
+						{
+							break;
+						}
 						if (!empty($event['recur_exception']))
 						{
 							if (empty($event['whole_day']))
@@ -680,14 +754,21 @@ 
 									);
 								}
 								$event['recur_exception'] = $days;
-								if ($version != '1.0') $parameters['EXDATE']['VALUE'] = 'DATE';
+								if ($version != '1.0')
+								{
+									$parameters['EXDATE']['VALUE'] = 'DATE';
+								}
 							}
 							$vevent->setAttribute('EXDATE', $event['recur_exception'], $parameters['EXDATE']);
 						}
 						break;
 
 					case 'PRIORITY':
-						if (!$event['priority']) continue;	// 0=undefined is default, no need to export, fails CalDAVTester if our default is added
+						if (!$event['priority'])
+						{
+							continue;
+						}
+						// 0=undefined is default, no need to export, fails CalDAVTester if our default is added
 						if ($this->productManufacturer == 'funambol' &&
 							(strpos($this->productName, 'outlook') !== false
 								|| strpos($this->productName, 'pocket pc') !== false))
@@ -701,7 +782,11 @@ 
 						break;
 
 					case 'TRANSP':
-						if (!$event['non_blocking']) continue;	// OPAQUE is default, no need to export, fails CalDAVTester if added as default
+						if (!$event['non_blocking'])
+						{
+							continue;
+						}
+						// OPAQUE is default, no need to export, fails CalDAVTester if added as default
 						if ($version == '1.0')
 						{
 							$attributes['TRANSP'] = ($event['non_blocking'] ? 1 : 0);
@@ -758,7 +843,11 @@ 
 						elseif ($event['recurrence'] && $event['reference'])
 						{
 							// $event['reference'] is a calendar_id, not a timestamp
-							if (!($revent = $this->read($event['reference']))) break;	// referenced event does not exist
+							if (!($revent = $this->read($event['reference'])))
+							{
+								break;
+							}
+							// referenced event does not exist
 
 							if (empty($revent['whole_day']))
 							{
@@ -884,7 +973,10 @@ 
 			foreach ((array)$event['alarm'] as $alarmData)
 			{
 				// skip over alarms that don't have the minimum required info
-				if (!isset($alarmData['offset']) && !isset($alarmData['time'])) continue;
+				if (!isset($alarmData['offset']) && !isset($alarmData['time']))
+				{
+					continue;
+				}
 
 				// skip alarms not being set for all users and alarms owned by other users
 				if ($alarmData['all'] != true && $alarmData['owner'] != $this->user)
@@ -901,7 +993,10 @@ 
 
 				if ($version == '1.0')
 				{
-					if ($event['title']) $description = $event['title'];
+					if ($event['title'])
+					{
+						$description = $event['title'];
+					}
 					if ($description)
 					{
 						$values['DALARM']['snooze_time'] = '';
@@ -921,7 +1016,10 @@ 
 					// VCalendar 2.0 / RFC 2445
 
 					// RFC requires DESCRIPTION for DISPLAY
-					if (!$event['title'] && !$description) $description = 'Alarm';
+					if (!$event['title'] && !$description)
+					{
+						$description = 'Alarm';
+					}
 
 					/* Disabling for now
 					// Lightning infinitly pops up alarms for recuring events, if the only use an offset
@@ -1112,13 +1210,20 @@ 
 		$this->events_imported = 0;
 		$replace = $delete_exceptions= false;
 
-		if (!is_array($this->supportedFields)) $this->setSupportedFields();
+		if (!is_array($this->supportedFields))
+		{
+			$this->setSupportedFields();
+		}
 
 		if (!($events = $this->icaltoegw($_vcalData, $principalURL, $charset)))
 		{
 			return false;
 		}
-		if (!is_array($events)) $cal_id = -1;	// just to be sure, as iterator does NOT allow array access (eg. $events[0])
+		if (!is_array($events))
+		{
+			$cal_id = -1;
+		}
+		// just to be sure, as iterator does NOT allow array access (eg. $events[0])
 
 		if ($cal_id > 0)
 		{
@@ -1126,8 +1231,14 @@ 
 			{
 				$replace = $recur_date == 0;
 				$events[0]['id'] = $cal_id;
-				if (!is_null($etag)) $events[0]['etag'] = (int) $etag;
-				if ($recur_date) $events[0]['recurrence'] = $recur_date;
+				if (!is_null($etag))
+				{
+					$events[0]['etag'] = (int) $etag;
+				}
+				if ($recur_date)
+				{
+					$events[0]['recurrence'] = $recur_date;
+				}
 			}
 			elseif (($foundEvent = $this->find_event(array('id' => $cal_id), 'exact')) &&
 					($eventId = array_shift($foundEvent)) &&
@@ -1135,7 +1246,10 @@ 
 			{
 				foreach ($events as $k => $event)
 				{
-					if (!isset($event['uid'])) $events[$k]['uid'] = $egwEvent['uid'];
+					if (!isset($event['uid']))
+					{
+						$events[$k]['uid'] = $egwEvent['uid'];
+					}
 				}
 			}
 		}
@@ -1165,10 +1279,17 @@ 
 		$msg = null;
 		foreach ($events as $event)
 		{
-			if (!is_array($event)) continue; // the iterator may return false
+			if (!is_array($event))
+			{
+				continue;
+			}
+			// the iterator may return false
 			++$this->events_imported;
 
-			if ($this->so->isWholeDay($event)) $event['whole_day'] = true;
+			if ($this->so->isWholeDay($event))
+			{
+				$event['whole_day'] = true;
+			}
 			if (is_array($event['category']))
 			{
 				$event['category'] = $this->find_or_add_categories($event['category'],
@@ -1205,7 +1326,10 @@ 
 						}
 						else
 						{
-							if (!($exception = $this->read($id))) continue;
+							if (!($exception = $this->read($id)))
+							{
+								continue;
+							}
 							$exception['uid'] = Api\CalDAV::generate_uid('calendar', $id);
 							$exception['reference'] = $exception['recurrence'] = 0;
 							$this->update($exception, true,true,false,true,$msg,$skip_notification);
@@ -1294,7 +1418,10 @@ 
 								break;
 
 							default:
-								if (!empty($value)) $event[$key] = $value;
+								if (!empty($value))
+								{
+									$event[$key] = $value;
+								}
 						}
 					}
 				}
@@ -1392,7 +1519,10 @@ 
 			else // common adjustments for new events
 			{
 				unset($event['id']);
-				if ($caldav_name) $event['caldav_name'] = $caldav_name;
+				if ($caldav_name)
+				{
+					$event['caldav_name'] = $caldav_name;
+				}
 				// set non blocking all day depending on the user setting
 				if (!empty($event['whole_day']) && $this->nonBlockingAllday)
 				{
@@ -1440,7 +1570,10 @@ 
 					|| !isset($event['participants'][$event['owner']]))
 				{
 					$status = calendar_so::combine_status($event['owner'] == $this->user ? 'A' : 'U', 1, 'CHAIR');
-					if (!is_array($event['participants'])) $event['participants'] = array();
+					if (!is_array($event['participants']))
+					{
+						$event['participants'] = array();
+					}
 					$event['participants'][$event['owner']] = $status;
 				}
 				else
@@ -1593,7 +1726,10 @@ 
 								$occurence = $exception = false;
 								foreach ($event_info['master_event']['recur_exception'] as $exception)
 								{
-									if ($exception > $event['start']) break;
+									if ($exception > $event['start'])
+									{
+										break;
+									}
 									$occurence = $exception;
 								}
 								if (!$occurence)
@@ -1683,12 +1819,15 @@ 
 					case 'SERIES-MASTER':
 					case 'SERIES-EXCEPTION':
 					case 'SERIES-EXCEPTION-PROPAGATE':
-						if (is_array($event_info['stored_event'])) // status update requires a stored event
+						if (is_array($event_info['stored_event']))
+						{
+							// status update requires a stored event
 						{
 							if ($event_info['acl_edit'])
 							{
 								// update all participants if we have the right to do that
 								$this->update_status($event, $event_info['stored_event'],0,$skip_notification);
+						}
 							}
 							elseif (isset($event['participants'][$this->user]) || isset($event_info['stored_event']['participants'][$this->user]))
 							{
@@ -1700,9 +1839,12 @@ 
 						break;
 
 					case 'SERIES-PSEUDO-EXCEPTION':
-						if (is_array($event_info['master_event'])) // status update requires a stored master event
+						if (is_array($event_info['master_event']))
+						{
+							// status update requires a stored master event
 						{
 							$recurrence = $this->date2usertime($event['recurrence']);
+						}
 							if ($event_info['acl_edit'])
 							{
 								// update all participants if we have the right to do that
@@ -1775,7 +1917,10 @@ 
 	 */
 	public function sync_alarms(array &$event, array $old_alarms, $user)
 	{
-		if ($this->debug) error_log(__METHOD__."(".array2string($event).', old_alarms='.array2string($old_alarms).", $user,)");
+		if ($this->debug)
+		{
+			error_log(__METHOD__."(".array2string($event).', old_alarms='.array2string($old_alarms).", $user,)");
+		}
 		$modified = 0;
 		foreach($event['alarm'] as &$alarm)
 		{
@@ -1799,19 +1944,40 @@ 
 			if ($alarm['offset'] != $old_alarm['offset'] || $old_alarm['owner'] != $user && !$alarm['all'])
 			{
 				$alarm['owner'] = $user;
-				if (!isset($alarm['time'])) $alarm['time'] = $event['start'] - $alarm['offset'];
-				if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm);
-				if ($this->debug) error_log(__METHOD__."() adding new alarm from client ".array2string($alarm));
-				if ($event['id']) $alarm['id'] = $this->save_alarm($event['id'], $alarm);
+				if (!isset($alarm['time']))
+				{
+					$alarm['time'] = $event['start'] - $alarm['offset'];
+				}
+				if ($alarm['time'] < time())
+				{
+					calendar_so::shift_alarm($event, $alarm);
+				}
+				if ($this->debug)
+				{
+					error_log(__METHOD__."() adding new alarm from client ".array2string($alarm));
+				}
+				if ($event['id'])
+				{
+					$alarm['id'] = $this->save_alarm($event['id'], $alarm);
+				}
 				++$modified;
 			}
 			// existing alarm --> update it
 			elseif ($alarm['offset'] == $old_alarm['offset'] && ($old_alarm['owner'] == $user || $old_alarm['all']))
 			{
-				if (!isset($alarm['time'])) $alarm['time'] = $event['start'] - $alarm['offset'];
-				if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm);
+				if (!isset($alarm['time']))
+				{
+					$alarm['time'] = $event['start'] - $alarm['offset'];
+				}
+				if ($alarm['time'] < time())
+				{
+					calendar_so::shift_alarm($event, $alarm);
+				}
 				$alarm = array_merge($old_alarm, $alarm);
-				if ($this->debug) error_log(__METHOD__."() updating existing alarm from client ".array2string($alarm));
+				if ($this->debug)
+				{
+					error_log(__METHOD__."() updating existing alarm from client ".array2string($alarm));
+				}
 				$alarm['id'] = $this->save_alarm($event['id'], $alarm);
 				++$modified;
 			}
@@ -1825,7 +1991,10 @@ 
 				unset($old_alarm[$id]);
 				continue;
 			}
-			if ($this->debug) error_log(__METHOD__."() deleting alarm '$id' deleted on client ".array2string($old_alarm));
+			if ($this->debug)
+			{
+				error_log(__METHOD__."() deleting alarm '$id' deleted on client ".array2string($old_alarm));
+			}
 			$this->delete_alarm($id);
 			++$modified;
 		}
@@ -2244,7 +2413,10 @@ 
 				array2string($_vcalData)."\n",3,$this->logfile);
 		}
 
-		if (!is_array($this->supportedFields)) $this->setSupportedFields();
+		if (!is_array($this->supportedFields))
+		{
+			$this->setSupportedFields();
+		}
 
 		// we use Api\CalDAV\IcalIterator only on resources, as calling importVCal() accesses single events like an array (eg. $events[0])
 		if (is_resource($_vcalData))
@@ -2589,19 +2761,27 @@ 
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime(trim($recurenceMatches[2]));
 							}
-							else break;
+							else {
+								break;
+							}
 							// fall-through
 						case 'DAILY':	// 2.0
 							$vcardData['recur_type'] = MCAL_RECUR_DAILY;
-							if (stripos($recurence, 'BYDAY') === false) break;
+							if (stripos($recurence, 'BYDAY') === false)
+							{
+								break;
+							}
 							// hack to handle TYPE=DAILY;BYDAY= as WEEKLY, which is true as long as there's no interval
 							// fall-through
 						case 'W':
 						case 'WEEKLY':
 							$days = array();
-							if (preg_match('/W(\d+) *((?i: [AEFHMORSTUW]{2})+)?( +([^ ]*))$/',$recurence, $recurenceMatches))		// 1.0
+							if (preg_match('/W(\d+) *((?i: [AEFHMORSTUW]{2})+)?( +([^ ]*))$/',$recurence, $recurenceMatches))
+							{
+								// 1.0
 							{
 								$vcardData['recur_interval'] = $recurenceMatches[1];
+							}
 								if (empty($recurenceMatches[2]))
 								{
 									$days[0] = strtoupper(substr(date('D', $vcardData['start']),0,2));
@@ -2614,7 +2794,10 @@ 
 								$repeatMatches = null;
 								if (preg_match('/#(\d+)/',$recurenceMatches[4],$repeatMatches))
 								{
-									if ($repeatMatches[1]) $vcardData['recur_count'] = $repeatMatches[1];
+									if ($repeatMatches[1])
+									{
+										$vcardData['recur_count'] = $repeatMatches[1];
+									}
 								}
 								else
 								{
@@ -2623,9 +2806,12 @@ 
 
 								$recur_days = $this->recur_days_1_0;
 							}
-							elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches))	// 2.0
+							elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches))
+							{
+								// 2.0
 							{
 								$days = explode(',',$recurenceMatches[1]);
+							}
 								$recur_days = $this->recur_days;
 							}
 							else	// no day given, use the day of dtstart
@@ -2684,7 +2870,10 @@ 
 							{
 								$vcardData['recur_interval'] = $recurenceMatches[1];
 								$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($recurenceMatches[2]);
-							} else break;
+							}
+							else {
+								break;
+							}
 							// fall-through
 						case 'YEARLY':	// 2.0
 							if (strpos($recurence, 'BYDAY') === false)
@@ -2704,7 +2893,10 @@ 
 					}
 					break;
 				case 'EXDATE':
-					if (!$attributes['value']) break;
+					if (!$attributes['value'])
+					{
+						break;
+					}
 					if ((isset($attributes['params']['VALUE'])
 							&& $attributes['params']['VALUE'] == 'DATE') ||
 						(!isset($attributes['params']['VALUE']) && $isDate))
@@ -2784,13 +2976,16 @@ 
 					// fall throught
 				case 'ATTENDEE':
 					if (isset($attributes['params']['PARTSTAT']))
-				    {
+					{
 				    	$attributes['params']['STATUS'] = $attributes['params']['PARTSTAT'];
 				    }
 				    if (isset($attributes['params']['STATUS']))
-					{
+				    {
 						$status = $this->status_ical2egw[strtoupper($attributes['params']['STATUS'])];
-						if (empty($status)) $status = 'X';
+						if (empty($status))
+						{
+							$status = 'X';
+						}
 					}
 					else
 					{
@@ -2850,7 +3045,10 @@ 
 							$uid = $this->user;
 					}
 					// check principal url from CalDAV here after X-EGROUPWARE-UID and to get optional X-EGROUPWARE-QUANTITY
-					if (!$uid) $uid = Api\CalDAV\Principals::url2uid($attributes['value'], null, $cn);
+					if (!$uid)
+					{
+						$uid = Api\CalDAV\Principals::url2uid($attributes['value'], null, $cn);
+					}
 
 					// try to find an email address
 					if (!$uid && $email && ($uid = $GLOBALS['egw']->accounts->name2id($email, 'account_email')))
@@ -2918,7 +3116,10 @@ 
 								}
 								$status = 'U'; // keep the group
 							}
-							else continue; // can't find this group
+							else {
+								continue;
+							}
+							// can't find this group
 						}
 						elseif (empty($searcharray))
 						{
@@ -2977,7 +3178,9 @@ 
 
 								try {
 									if (!$this->calendarOwner && is_numeric($uid) && $role == 'CHAIR')
-										$component->getAttribute('ORGANIZER');
+									{
+																			$component->getAttribute('ORGANIZER');
+									}
 								}
 								catch(Horde_Icalendar_Exception $e)
 								{
@@ -3014,7 +3217,10 @@ 
 					}
 					break;
 				case 'CREATED':		// will be written direct to the event
-					if ($event['modified']) break;
+					if ($event['modified'])
+					{
+						break;
+					}
 					// fall through
 				case 'LAST-MODIFIED':	// will be written direct to the event
 					$event['modified'] = $attributes['value'];
@@ -3035,7 +3241,11 @@ 
 					break;
 
 				case 'ATTACH':
-					if ($attributes['params'] && !empty($attributes['params']['FMTTYPE'])) break;	// handeled by managed attachment code
+					if ($attributes['params'] && !empty($attributes['params']['FMTTYPE']))
+					{
+						break;
+					}
+					// handeled by managed attachment code
 					// fall throught to store external attachment url
 				default:	// X- attribute or other by EGroupware unsupported property
 					//error_log(__METHOD__."() $attributes[name] = ".array2string($attributes));
@@ -3166,7 +3376,10 @@ 
 			$event['end'] = $event['start'] + 60 * $this->cal_prefs['defaultlength'];
 		}
 
-		if ($this->calendarOwner) $event['owner'] = $this->calendarOwner;
+		if ($this->calendarOwner)
+		{
+			$event['owner'] = $this->calendarOwner;
+		}
 
 		// parsing ATTACH attributes for managed attachments
 		$event['attach-delete-by-put'] = $component->getAttributeDefault('X-EGROUPWARE-ATTACH-INCLUDED', null) === 'TRUE';
@@ -3192,7 +3405,10 @@ 
 				$filter = $relax ? 'relax' : 'check';
 				$event = array_shift($events);
 				$eventId = -1;
-				if ($this->so->isWholeDay($event)) $event['whole_day'] = true;
+				if ($this->so->isWholeDay($event))
+				{
+					$event['whole_day'] = true;
+				}
 				if ($contentID)
 				{
 					$parts = preg_split('/:/', $contentID);
@@ -3224,8 +3440,16 @@ 
 	 */
 	function freebusy($user,$end=null,$utc=true, $charset='UTF-8', $start=null, $method='PUBLISH', array $extra=null)
 	{
-		if (!$start) $start = time();	// default now
-		if (!$end) $end = time() + 100*DAY_s;	// default next 100 days
+		if (!$start)
+		{
+			$start = time();
+		}
+		// default now
+		if (!$end)
+		{
+			$end = time() + 100*DAY_s;
+		}
+		// default next 100 days
 
 		$vcal = new Horde_Icalendar;
 		$vcal->setAttribute('PRODID','-//EGroupware//NONSGML EGroupware Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
@@ -3247,10 +3471,13 @@ 
 				$attributes[$attr] = date('Ymd\THis', $value);
 			}
 		}
-		if (is_null($extra)) $extra = array(
+		if (is_null($extra))
+		{
+			$extra = array(
 			'URL' => $this->freebusy_url($user),
 			'ORGANIZER' => 'mailto:'.$GLOBALS['egw']->accounts->id2name($user,'account_email'),
 		);
+		}
 		foreach($attributes+$extra as $attr => $value)
 		{
 			$vfreebusy->setAttribute($attr, $value);
@@ -3266,9 +3493,18 @@ 
 		{
 			foreach ($fbdata as $event)
 			{
-				if ($event['non_blocking']) continue;
-				if ($event['uid'] === $extra['X-CALENDARSERVER-MASK-UID']) continue;
-				if ($event['participants'][$user] == 'R') continue;
+				if ($event['non_blocking'])
+				{
+					continue;
+				}
+				if ($event['uid'] === $extra['X-CALENDARSERVER-MASK-UID'])
+				{
+					continue;
+				}
+				if ($event['participants'][$user] == 'R')
+				{
+					continue;
+				}
 
 				$fbtype = $event['participants'][$user] == 'T' ? 'BUSY-TENTATIVE' : 'BUSY';
 

calendar/inc/class.calendar_import_csv.inc.php

Doc Comments +2 added lines, -3 removed lines

@@ -74,7 +74,7 @@ 
 	 * @param importepport_iface_egw_record record The egw_record object being imported
 	 * @param importexport_iface_import_record import_csv Import object contains current state
 	 *
-	 * @return boolean success
+	 * @return null|boolean success
 	 */
 	public function import_record(\importexport_iface_egw_record &$record, &$import_csv)
 	{
@@ -254,7 +254,6 @@ 
 	 * perform the required action
 	 *
 	 * @param int $_action one of $this->actions
-	 * @param array $_data record data for the action
 	 * @return bool success or not
 	 */
 	protected function action ( $_action, importexport_iface_egw_record &$record, $record_num = 0 )
@@ -343,7 +342,7 @@ 
 	/**
 	 * Alter a row for preview to show multiple participants instead of Array
 	 *
-	 * @param egw_record $row_entry
+	 * @param importexport_iface_egw_record $row_entry
 	 */
 	protected function row_preview(importexport_iface_egw_record &$row_entry)
 	{

Indentation +2 added lines, -2 removed lines

@@ -32,8 +32,8 @@
 	protected static $conditions = array('exists');
 
 	/**
-	* For figuring out if an entry has changed
-	*/
+	 * For figuring out if an entry has changed
+	 */
 	protected $tracking;
 
 	/**

Spacing +55 added lines, -55 removed lines

@@ -17,12 +17,12 @@ 
 /**
  * class import_csv for calendar
  */
-class calendar_import_csv extends importexport_basic_import_csv  {
+class calendar_import_csv extends importexport_basic_import_csv {
 
 	/**
 	 * actions wich could be done to data entries
 	 */
-	protected static $actions = array( 'none', 'update', 'insert' );
+	protected static $actions = array('none', 'update', 'insert');
 
 	/**
 	 * conditions for actions
@@ -44,16 +44,16 @@ 
 	/**
 	 * Set up tracker
 	 */
-	protected function init(importexport_definition &$definition)
+	protected function init(importexport_definition&$definition)
 	{
 		// fetch the addressbook bo
-		$this->bo= new calendar_boupdate();
+		$this->bo = new calendar_boupdate();
 
 		// Get the tracker for changes
 		$this->tracking = new calendar_tracking();
 
 		// Used for participants
-		$this->status_map = array_flip(array_map('lang',$this->bo->verbose_status));
+		$this->status_map = array_flip(array_map('lang', $this->bo->verbose_status));
 		$this->role_map = array_flip($this->bo->roles);
 
 		$this->lookups = array(
@@ -76,15 +76,15 @@ 
 	 *
 	 * @return boolean success
 	 */
-	public function import_record(\importexport_iface_egw_record &$record, &$import_csv)
+	public function import_record(\importexport_iface_egw_record&$record, &$import_csv)
 	{
 		// set eventOwner
-		$options =& $this->definition->plugin_options;
+		$options = & $this->definition->plugin_options;
 		$options['owner'] = $options['owner'] ? $options['owner'] : $this->user;
 
 		// Set owner, unless it's supposed to come from CSV file
-		if($options['owner_from_csv']) {
-			if(!is_numeric($record['owner'])) {
+		if ($options['owner_from_csv']) {
+			if (!is_numeric($record['owner'])) {
 				$this->errors[$import_csv->get_current_position()] = lang(
 					'Invalid owner ID: %1.  Might be a bad field translation.  Used %2 instead.',
 					$record->owner,
@@ -99,7 +99,7 @@ 
 		}
 
 		// Handle errors in length or start/end date
-		if($record->start > $record->end)
+		if ($record->start > $record->end)
 		{
 			$record->end = $record->start + $GLOBALS['egw_info']['user']['preferences']['calendar']['defaultlength'] * 60;
 			$this->warnings[$import_csv->get_current_position()] = lang('error: starttime has to be before the endtime !!!');
@@ -109,11 +109,11 @@ 
 		if ($record->participants && !is_array($record->participants)) {
 			// Importing participants in human friendly format:
 			// Name (quantity)? (status) Role[, Name (quantity)? (status) Role]+
-			preg_match_all('/(([^(]+?)(?: \(([\d]+)\))? \(([^,)]+)\)(?: ([^ ,]+))?)(?:, )?/',$record->participants,$participants);
+			preg_match_all('/(([^(]+?)(?: \(([\d]+)\))? \(([^,)]+)\)(?: ([^ ,]+))?)(?:, )?/', $record->participants, $participants);
 			$p_participants = array();
 			$missing = array();
 			list($lines, $p, $names, $quantity, $status, $role) = $participants;
-			foreach($names as $key => $name) {
+			foreach ($names as $key => $name) {
 				//error_log("Name: $name Quantity: {$quantity[$key]} Status: {$status[$key]} Role: {$role[$key]}");
 
 				// Search for direct account name, then user in accounts first
@@ -121,26 +121,26 @@ 
 				$id = importexport_helper_functions::account_name2id($name);
 
 				// If not found, or not an exact match to a user (account_name2id is pretty generous)
-				if(!$id || $names[$key] !== $this->bo->participant_name($id)) {
-					$contacts = ExecMethod2('addressbook.addressbook_bo.search', $search,array('contact_id','account_id'),'org_name,n_family,n_given,cat_id,contact_email','','%',false,'OR',array(0,1));
-					if($contacts) $id = $contacts[0]['account_id'] ? $contacts[0]['account_id'] : 'c'.$contacts[0]['contact_id'];
+				if (!$id || $names[$key] !== $this->bo->participant_name($id)) {
+					$contacts = ExecMethod2('addressbook.addressbook_bo.search', $search, array('contact_id', 'account_id'), 'org_name,n_family,n_given,cat_id,contact_email', '', '%', false, 'OR', array(0, 1));
+					if ($contacts) $id = $contacts[0]['account_id'] ? $contacts[0]['account_id'] : 'c'.$contacts[0]['contact_id'];
 				}
-				if(!$id)
+				if (!$id)
 				{
 					// Use calendar's registered resources to find participant
-					foreach($this->bo->resources as $resource)
+					foreach ($this->bo->resources as $resource)
 					{
 						// Can't search for email
-						if($resource['app'] == 'email') continue;
+						if ($resource['app'] == 'email') continue;
 						// Special resource search, since it does special stuff in link_query
-						if($resource['app'] == 'resources')
+						if ($resource['app'] == 'resources')
 						{
-							if(!$this->resource_so)
+							if (!$this->resource_so)
 							{
 								$this->resource_so = new resources_so();
 							}
-							$result = $this->resource_so->search($search,'res_id');
-							if(count($result) >= 1) {
+							$result = $this->resource_so->search($search, 'res_id');
+							if (count($result) >= 1) {
 								$id = $resource['type'].$result[0]['res_id'];
 								break;
 							}
@@ -150,15 +150,15 @@ 
 							// Search app via link query
 							$result = Link::query($resource['app'], $search, $options);
 
-							if($result)
+							if ($result)
 							{
-								$id = $resource['type'] . key($result);
+								$id = $resource['type'].key($result);
 								break;
 							}
 						}
 					}
 				}
-				if($id) {
+				if ($id) {
 					$p_participants[$id] = calendar_so::combine_status(
 						$this->status_map[lang($status[$key])] ? $this->status_map[lang($status[$key])] : $status[$key][0],
 						$quantity[$key] ? $quantity[$key] : 1,
@@ -169,47 +169,47 @@ 
 				{
 					$missing[] = $name;
 				}
-				if(count($missing) > 0)
+				if (count($missing) > 0)
 				{
-					$this->warnings[$import_csv->get_current_position()] = $record->title . ' ' . lang('participants') . ': ' .
-						lang('Contact not found!') . '<br />'.implode(", ",$missing);
+					$this->warnings[$import_csv->get_current_position()] = $record->title.' '.lang('participants').': '.
+						lang('Contact not found!').'<br />'.implode(", ", $missing);
 				}
 			}
 			$record->participants = $p_participants;
 		}
 
-		if($record->recurrence)
+		if ($record->recurrence)
 		{
-			list($record->recur_type, $record->recur_interval) = explode('/',$record->recurrence,2);
+			list($record->recur_type, $record->recur_interval) = explode('/', $record->recurrence, 2);
 			$record->recur_interval = trim($record->recur_interval);
-			$record->recur_type = array_search(strtolower(trim($record->recur_type)), array_map('strtolower',$lookups['recurrence']));
+			$record->recur_type = array_search(strtolower(trim($record->recur_type)), array_map('strtolower', $lookups['recurrence']));
 			unset($record->recurrence);
 		}
 		$record->tzid = calendar_timezones::id2tz($record->tz_id);
 
-		if ( $options['conditions'] ) {
-			foreach ( $options['conditions'] as $condition ) {
+		if ($options['conditions']) {
+			foreach ($options['conditions'] as $condition) {
 				$records = array();
-				switch ( $condition['type'] ) {
+				switch ($condition['type']) {
 					// exists
 					case 'exists' :
 						// Check for that record
 						$result = $this->exists($record, $condition, $records);
 
-						if ( is_array( $records ) && count( $records ) >= 1) {
+						if (is_array($records) && count($records) >= 1) {
 							// apply action to all records matching this exists condition
 							$action = $condition['true'];
-							foreach ( (array)$records as $event ) {
+							foreach ((array)$records as $event) {
 								$record->id = $event['id'];
-								if ( $this->definition->plugin_options['update_cats'] == 'add' ) {
-									if ( !is_array( $record->category ) ) $record->category = explode( ',', $record->category );
-									$record->category = implode( ',', array_unique( array_merge( $record->category, $event['category'] ) ) );
+								if ($this->definition->plugin_options['update_cats'] == 'add') {
+									if (!is_array($record->category)) $record->category = explode(',', $record->category);
+									$record->category = implode(',', array_unique(array_merge($record->category, $event['category'])));
 								}
-								$success = $this->action(  $action['action'], $record, $import_csv->get_current_position() );
+								$success = $this->action($action['action'], $record, $import_csv->get_current_position());
 							}
 						} else {
 							$action = $condition['false'];
-							$success = ($this->action(  $action['action'], $record, $import_csv->get_current_position() ));
+							$success = ($this->action($action['action'], $record, $import_csv->get_current_position()));
 						}
 						break;
 
@@ -222,7 +222,7 @@ 
 			}
 		} else {
 			// unconditional insert
-			$success = $this->action( 'insert', $record, $import_csv->get_current_position() );
+			$success = $this->action('insert', $record, $import_csv->get_current_position());
 		}
 
 		return $success;
@@ -237,14 +237,14 @@ 
 	 *
 	 * @return boolean
 	 */
-	protected function exists(importexport_iface_egw_record &$record, Array &$condition, &$records = array())
+	protected function exists(importexport_iface_egw_record&$record, Array &$condition, &$records = array())
 	{
-		if($record->__get($condition['string']) && $condition['string'] == 'id') {
+		if ($record->__get($condition['string']) && $condition['string'] == 'id') {
 			$event = $this->bo->read($record->__get($condition['string']));
 			$records = array($event);
 		}
 
-		if ( is_array( $records ) && count( $records ) >= 1) {
+		if (is_array($records) && count($records) >= 1) {
 			return true;
 		}
 		return false;
@@ -257,7 +257,7 @@ 
 	 * @param array $_data record data for the action
 	 * @return bool success or not
 	 */
-	protected function action ( $_action, importexport_iface_egw_record &$record, $record_num = 0 )
+	protected function action($_action, importexport_iface_egw_record&$record, $record_num = 0)
 	{
 		$_data = $record->get_record_array();
 		switch ($_action) {
@@ -268,7 +268,7 @@ 
 				$old = $this->bo->read($_data['id']);
 
 				// Don't change a user account into a record
-				if(!$this->definition->plugin_options['change_owner']) {
+				if (!$this->definition->plugin_options['change_owner']) {
 					// Don't change owner of an existing record
 					unset($_data['owner']);
 				}
@@ -276,29 +276,29 @@ 
 				// Merge to deal with fields not in import record
 				$_data = array_merge($old, $_data);
 				$changed = $this->tracking->changed_fields($_data, $old);
-				if(count($changed) == 0) {
+				if (count($changed) == 0) {
 					return true;
 				}
 				// Fall through
 			case 'insert' :
-				if($_action == 'insert') {
+				if ($_action == 'insert') {
 					// Backend doesn't like inserting with ID specified, can overwrite existing
 					unset($_data['id']);
 				}
 				// Make sure participants are set
-				if(!$_data['participants']) {
+				if (!$_data['participants']) {
 					$user = $_data['owner'] ? $_data['owner'] : $this->user;
 					$_data['participants'] = array(
 						$user => 'U'
 					);
 				}
-				if ( $this->dry_run ) {
+				if ($this->dry_run) {
 					//print_r($_data);
 					$this->results[$_action]++;
 					return true;
 				} else {
-					$result = $this->bo->save( $_data, $this->is_admin);
-					if(!$result) {
+					$result = $this->bo->save($_data, $this->is_admin);
+					if (!$result) {
 						$this->errors[$record_num] = lang('Unable to save');
 					} else {
 						$this->results[$_action]++;
@@ -345,9 +345,9 @@ 
 	 *
 	 * @param egw_record $row_entry
 	 */
-	protected function row_preview(importexport_iface_egw_record &$row_entry)
+	protected function row_preview(importexport_iface_egw_record&$row_entry)
 	{
-		$row_entry->participants = implode('<br />', $this->bo->participants(array('participants' => $row_entry->participants),true));
+		$row_entry->participants = implode('<br />', $this->bo->participants(array('participants' => $row_entry->participants), true));
 	}
 
 }
\ No newline at end of file

Braces +80 added lines, -34 removed lines

@@ -17,7 +17,8 @@ 
 /**
  * class import_csv for calendar
  */
-class calendar_import_csv extends importexport_basic_import_csv  {
+class calendar_import_csv extends importexport_basic_import_csv
+{
 
 	/**
 	 * actions wich could be done to data entries
@@ -83,8 +84,10 @@ 
 		$options['owner'] = $options['owner'] ? $options['owner'] : $this->user;
 
 		// Set owner, unless it's supposed to come from CSV file
-		if($options['owner_from_csv']) {
-			if(!is_numeric($record['owner'])) {
+		if($options['owner_from_csv'])
+		{
+			if(!is_numeric($record['owner']))
+			{
 				$this->errors[$import_csv->get_current_position()] = lang(
 					'Invalid owner ID: %1.  Might be a bad field translation.  Used %2 instead.',
 					$record->owner,
@@ -106,14 +109,16 @@ 
 		}
 
 		// Parse particpants
-		if ($record->participants && !is_array($record->participants)) {
+		if ($record->participants && !is_array($record->participants))
+		{
 			// Importing participants in human friendly format:
 			// Name (quantity)? (status) Role[, Name (quantity)? (status) Role]+
 			preg_match_all('/(([^(]+?)(?: \(([\d]+)\))? \(([^,)]+)\)(?: ([^ ,]+))?)(?:, )?/',$record->participants,$participants);
 			$p_participants = array();
 			$missing = array();
 			list($lines, $p, $names, $quantity, $status, $role) = $participants;
-			foreach($names as $key => $name) {
+			foreach($names as $key => $name)
+			{
 				//error_log("Name: $name Quantity: {$quantity[$key]} Status: {$status[$key]} Role: {$role[$key]}");
 
 				// Search for direct account name, then user in accounts first
@@ -121,9 +126,13 @@ 
 				$id = importexport_helper_functions::account_name2id($name);
 
 				// If not found, or not an exact match to a user (account_name2id is pretty generous)
-				if(!$id || $names[$key] !== $this->bo->participant_name($id)) {
+				if(!$id || $names[$key] !== $this->bo->participant_name($id))
+				{
 					$contacts = ExecMethod2('addressbook.addressbook_bo.search', $search,array('contact_id','account_id'),'org_name,n_family,n_given,cat_id,contact_email','','%',false,'OR',array(0,1));
-					if($contacts) $id = $contacts[0]['account_id'] ? $contacts[0]['account_id'] : 'c'.$contacts[0]['contact_id'];
+					if($contacts)
+					{
+						$id = $contacts[0]['account_id'] ? $contacts[0]['account_id'] : 'c'.$contacts[0]['contact_id'];
+					}
 				}
 				if(!$id)
 				{
@@ -131,7 +140,10 @@ 
 					foreach($this->bo->resources as $resource)
 					{
 						// Can't search for email
-						if($resource['app'] == 'email') continue;
+						if($resource['app'] == 'email')
+						{
+							continue;
+						}
 						// Special resource search, since it does special stuff in link_query
 						if($resource['app'] == 'resources')
 						{
@@ -140,7 +152,8 @@ 
 								$this->resource_so = new resources_so();
 							}
 							$result = $this->resource_so->search($search,'res_id');
-							if(count($result) >= 1) {
+							if(count($result) >= 1)
+							{
 								$id = $resource['type'].$result[0]['res_id'];
 								break;
 							}
@@ -158,7 +171,8 @@ 
 						}
 					}
 				}
-				if($id) {
+				if($id)
+				{
 					$p_participants[$id] = calendar_so::combine_status(
 						$this->status_map[lang($status[$key])] ? $this->status_map[lang($status[$key])] : $status[$key][0],
 						$quantity[$key] ? $quantity[$key] : 1,
@@ -187,27 +201,38 @@ 
 		}
 		$record->tzid = calendar_timezones::id2tz($record->tz_id);
 
-		if ( $options['conditions'] ) {
-			foreach ( $options['conditions'] as $condition ) {
+		if ( $options['conditions'] )
+		{
+			foreach ( $options['conditions'] as $condition )
+			{
 				$records = array();
-				switch ( $condition['type'] ) {
+				switch ( $condition['type'] )
+				{
 					// exists
 					case 'exists' :
 						// Check for that record
 						$result = $this->exists($record, $condition, $records);
 
-						if ( is_array( $records ) && count( $records ) >= 1) {
+						if ( is_array( $records ) && count( $records ) >= 1)
+						{
 							// apply action to all records matching this exists condition
 							$action = $condition['true'];
-							foreach ( (array)$records as $event ) {
+							foreach ( (array)$records as $event )
+							{
 								$record->id = $event['id'];
-								if ( $this->definition->plugin_options['update_cats'] == 'add' ) {
-									if ( !is_array( $record->category ) ) $record->category = explode( ',', $record->category );
+								if ( $this->definition->plugin_options['update_cats'] == 'add' )
+								{
+									if ( !is_array( $record->category ) )
+									{
+										$record->category = explode( ',', $record->category );
+									}
 									$record->category = implode( ',', array_unique( array_merge( $record->category, $event['category'] ) ) );
 								}
 								$success = $this->action(  $action['action'], $record, $import_csv->get_current_position() );
 							}
-						} else {
+						}
+						else
+						{
 							$action = $condition['false'];
 							$success = ($this->action(  $action['action'], $record, $import_csv->get_current_position() ));
 						}
@@ -218,9 +243,14 @@ 
 						die('condition / action not supported!!!');
 						break;
 				}
-				if ($action['last']) break;
+				if ($action['last'])
+				{
+					break;
+				}
 			}
-		} else {
+		}
+		else
+		{
 			// unconditional insert
 			$success = $this->action( 'insert', $record, $import_csv->get_current_position() );
 		}
@@ -239,12 +269,14 @@ 
 	 */
 	protected function exists(importexport_iface_egw_record &$record, Array &$condition, &$records = array())
 	{
-		if($record->__get($condition['string']) && $condition['string'] == 'id') {
+		if($record->__get($condition['string']) && $condition['string'] == 'id')
+		{
 			$event = $this->bo->read($record->__get($condition['string']));
 			$records = array($event);
 		}
 
-		if ( is_array( $records ) && count( $records ) >= 1) {
+		if ( is_array( $records ) && count( $records ) >= 1)
+		{
 			return true;
 		}
 		return false;
@@ -260,7 +292,8 @@ 
 	protected function action ( $_action, importexport_iface_egw_record &$record, $record_num = 0 )
 	{
 		$_data = $record->get_record_array();
-		switch ($_action) {
+		switch ($_action)
+		{
 			case 'none' :
 				return true;
 			case 'update' :
@@ -268,7 +301,8 @@ 
 				$old = $this->bo->read($_data['id']);
 
 				// Don't change a user account into a record
-				if(!$this->definition->plugin_options['change_owner']) {
+				if(!$this->definition->plugin_options['change_owner'])
+				{
 					// Don't change owner of an existing record
 					unset($_data['owner']);
 				}
@@ -276,31 +310,40 @@ 
 				// Merge to deal with fields not in import record
 				$_data = array_merge($old, $_data);
 				$changed = $this->tracking->changed_fields($_data, $old);
-				if(count($changed) == 0) {
+				if(count($changed) == 0)
+				{
 					return true;
 				}
 				// Fall through
 			case 'insert' :
-				if($_action == 'insert') {
+				if($_action == 'insert')
+				{
 					// Backend doesn't like inserting with ID specified, can overwrite existing
 					unset($_data['id']);
 				}
 				// Make sure participants are set
-				if(!$_data['participants']) {
+				if(!$_data['participants'])
+				{
 					$user = $_data['owner'] ? $_data['owner'] : $this->user;
 					$_data['participants'] = array(
 						$user => 'U'
 					);
 				}
-				if ( $this->dry_run ) {
+				if ( $this->dry_run )
+				{
 					//print_r($_data);
 					$this->results[$_action]++;
 					return true;
-				} else {
+				}
+				else
+				{
 					$result = $this->bo->save( $_data, $this->is_admin);
-					if(!$result) {
+					if(!$result)
+					{
 						$this->errors[$record_num] = lang('Unable to save');
-					} else {
+					}
+					else
+					{
 						$this->results[$_action]++;
 						// This does nothing (yet?) but update the identifier
 						$record->save($result);
@@ -318,7 +361,8 @@ 
 	 *
 	 * @return string name
 	 */
-	public static function get_name() {
+	public static function get_name()
+	{
 		return lang('Calendar CSV import');
 	}
 
@@ -327,7 +371,8 @@ 
 	 *
 	 * @return string descriprion
 	 */
-	public static function get_description() {
+	public static function get_description()
+	{
 		return lang("Imports events into your Calendar from a CSV File. CSV means 'Comma Seperated Values'. However in the options Tab you can also choose other seperators.");
 	}
 
@@ -336,7 +381,8 @@ 
 	 *
 	 * @return string suffix (comma seperated)
 	 */
-	public static function get_filesuffix() {
+	public static function get_filesuffix()
+	{
 		return 'csv';
 	}
 

Upper-Lower-Casing +2 added lines, -2 removed lines

@@ -57,7 +57,7 @@ 
 		$this->role_map = array_flip($this->bo->roles);
 
 		$this->lookups = array(
-			'priority'	=> Array(
+			'priority'	=> array(
 				0 => lang('None'),
 				1 => lang('Low'),
 				2 => lang('Normal'),
@@ -237,7 +237,7 @@ 
 	 *
 	 * @return boolean
 	 */
-	protected function exists(importexport_iface_egw_record &$record, Array &$condition, &$records = array())
+	protected function exists(importexport_iface_egw_record &$record, array &$condition, &$records = array())
 	{
 		if($record->__get($condition['string']) && $condition['string'] == 'id') {
 			$event = $this->bo->read($record->__get($condition['string']));

calendar/inc/class.calendar_merge.inc.php

Doc Comments -3 removed lines

@@ -113,8 +113,6 @@ 
 	 * @param array $ids array with contact id(s)
 	 * @param string &$err error-message on error
 	 * @param string $mimetype mimetype of complete document, eg. text/*, application/vnd.oasis.opendocument.text, application/rtf
-	 * @param array $fix=null regular expression => replacement pairs eg. to fix garbled placeholders
-	 * @param string $charset=null charset to override default set by mimetype or export charset
 	 * @return string|boolean merged document or false on error
 	 */
 	function merge_string($content,$ids,$err,$mimetype,$fix)
@@ -234,7 +232,6 @@ 
 	 * Return replacements for the calendar
 	 *
 	 * @param int|array $id event-id or array with id/recur_date, or array with event info
-	 * @param boolean $last_event_too=false also include information about the last event
 	 * @return array
 	 */
 	public function calendar_replacements($id,$prefix = '', &$content = '')

Indentation +34 added lines, -34 removed lines

@@ -326,20 +326,20 @@ 
 	}
 
 	/**
-	* Table plugin for event
-	* Lists events for a certain day of the week.  Only works for one week at a time, so for multiple weeks,
-	* use multiple date ranges.
-	*
-	* Use:
-	* $$table/Monday$$ $$starttime$$ $$title$$ $$endtable$$
-	* The day of the week may be language specific (date('l')).
-	*
-	* @param string $plugin (Monday-Sunday)
-	* @param int/array date or date range
-	* @param int $n Row number
-	* @param string $repeat Text being repeated for each entry
-	* @return array
-	*/
+	 * Table plugin for event
+	 * Lists events for a certain day of the week.  Only works for one week at a time, so for multiple weeks,
+	 * use multiple date ranges.
+	 *
+	 * Use:
+	 * $$table/Monday$$ $$starttime$$ $$title$$ $$endtable$$
+	 * The day of the week may be language specific (date('l')).
+	 *
+	 * @param string $plugin (Monday-Sunday)
+	 * @param int/array date or date range
+	 * @param int $n Row number
+	 * @param string $repeat Text being repeated for each entry
+	 * @return array
+	 */
 	public function day_plugin($plugin,$date,$n,$repeat)
 	{
 		static $days = null;
@@ -414,16 +414,16 @@ 
 	}
 
 	/**
-	* Table plugin for a certain date
-	*
-	* Can be either a particular date (2011-02-15) or a day of the month (15)
-	*
-	* @param string $plugin
-	* @param int $id ID for this record
-	* @param int $n Repeated row number
-	* @param string $repeat Text being repeated for each entry
-	* @return array
-	*/
+	 * Table plugin for a certain date
+	 *
+	 * Can be either a particular date (2011-02-15) or a day of the month (15)
+	 *
+	 * @param string $plugin
+	 * @param int $id ID for this record
+	 * @param int $n Repeated row number
+	 * @param string $repeat Text being repeated for each entry
+	 * @return array
+	 */
 	public function day($plugin,$id,$n,$repeat)
 	{
 		static $days = null;
@@ -515,15 +515,15 @@ 
 	}
 
 	/**
-	* Table plugin for participants
-	*
-	* Copied from eventmgr resources
-	*
-	* @param string $plugin
-	* @param int $id
-	* @param int $n
-	* @return array
-	*/
+	 * Table plugin for participants
+	 *
+	 * Copied from eventmgr resources
+	 *
+	 * @param string $plugin
+	 * @param int $id
+	 * @param int $n
+	 * @return array
+	 */
 	public function participant($plugin,$id,$n)
 	{
 		unset($plugin);	// not used, but required by function signature
@@ -582,7 +582,7 @@ 
 				{
 					foreach($resource as $name => $value)
 					{
-					    $replacements['$$'.$name.'$$'] = $value;
+						$replacements['$$'.$name.'$$'] = $value;
 					}
 				}
 				break;

Spacing +132 added lines, -132 removed lines

@@ -84,14 +84,14 @@ 
 
 		// Register table plugins
 		$this->table_plugins['participant'] = 'participant';
-		for($i = 0; $i < 7; $i++)
+		for ($i = 0; $i < 7; $i++)
 		{
 			$this->table_plugins[date('l', strtotime("+$i days"))] = 'day_plugin';
 		}
-		for($i = 1; $i <= 31; $i++) {
+		for ($i = 1; $i <= 31; $i++) {
 			$this->table_plugins['day_'.$i] = 'day'; // Numerically by day number (1-31)
 		}
-		foreach(self::$relative as $day) {
+		foreach (self::$relative as $day) {
 			$this->table_plugins[$day] = 'day'; // Current day
 		}
 		$this->query = is_array($this->bo->cal_prefs['saved_states']) ?
@@ -117,11 +117,11 @@ 
 	 * @param string $charset=null charset to override default set by mimetype or export charset
 	 * @return string|boolean merged document or false on error
 	 */
-	function merge_string($content,$ids,$err,$mimetype,$fix)
+	function merge_string($content, $ids, $err, $mimetype, $fix)
 	{
 		//error_log(__METHOD__ . ' IDs: ' . array2string($ids));
 		// Handle merging a list of events into a document with range instead of pagerepeat
-		if((strpos($content, '$$range') !== false || strpos($content, '{{range') !== false) && is_array($ids))
+		if ((strpos($content, '$$range') !== false || strpos($content, '{{range') !== false) && is_array($ids))
 		{
 			//error_log(__METHOD__ . ' Got list of events(?), no pagerepeat tag');
 			// Merging more than one something will fail without pagerepeat
@@ -131,9 +131,9 @@ 
 				$events = $ids;
 				$ids = array('start' => PHP_INT_MAX, 'end' => 0);
 				$this->ids = array();
-				foreach($events as $event) {
-					if($event['start'] && Api\DateTime::to($event['start'],'ts') < $ids['start']) $ids['start'] = Api\DateTime::to($event['start'],'ts');
-					if($event['end'] && Api\DateTime::to($event['end'],'ts') > $ids['end']) $ids['end'] = Api\DateTime::to($event['end'],'ts');
+				foreach ($events as $event) {
+					if ($event['start'] && Api\DateTime::to($event['start'], 'ts') < $ids['start']) $ids['start'] = Api\DateTime::to($event['start'], 'ts');
+					if ($event['end'] && Api\DateTime::to($event['end'], 'ts') > $ids['end']) $ids['end'] = Api\DateTime::to($event['end'], 'ts');
 					// Keep ids for future use
 					$this->ids[] = $event['id'];
 				}
@@ -154,12 +154,12 @@ 
 				'cfs' => strpos($content, '#') !== false ? array_keys(Api\Storage\Customfields::get('calendar')) : null
 			));
 			$ids = array();
-			foreach($events as $event) {
+			foreach ($events as $event) {
 				$ids[] = $event;
 			}
 		}
 
-		return parent::merge_string($content, $ids, $err, $mimetype,$fix);
+		return parent::merge_string($content, $ids, $err, $mimetype, $fix);
 	}
 
 	/**
@@ -169,20 +169,20 @@ 
 	 * @param string &$content=null content to create some replacements only if they are used
 	 * @return array|boolean
 	 */
-	protected function get_replacements($id,&$content=null)
+	protected function get_replacements($id, &$content = null)
 	{
 		$prefix = '';
 		// List events ?
-		if(is_array($id) && !$id['id'] && !$id[0]['id'])
+		if (is_array($id) && !$id['id'] && !$id[0]['id'])
 		{
 			$events = $this->bo->search($this->query + $id + array(
 				'offset' => 0,
 				'order' => 'cal_start',
 				'cfs' => strpos($content, '#') !== false ? array_keys(Api\Storage\Customfields::get('calendar')) : null
 			));
-			if(strpos($content,'$$calendar/') !== false || strpos($content, '$$table/day') !== false)
+			if (strpos($content, '$$calendar/') !== false || strpos($content, '$$table/day') !== false)
 			{
-				array_unshift($events,false); unset($events[0]);	// renumber the array to start with key 1, instead of 0
+				array_unshift($events, false); unset($events[0]); // renumber the array to start with key 1, instead of 0
 				$prefix = 'calendar/%d';
 			}
 		}
@@ -192,11 +192,11 @@ 
 			$events = $id;
 			$id = array('start' => PHP_INT_MAX, 'end' => 0);
 			$this->ids = array();
-			foreach($events as $event) {
-				if($event['start'] && $event['start'] < $id['start']) $id['start'] = $event['start'];
-				if($event['end'] && $event['end'] > $id['end']) $id['end'] = $event['end'];
+			foreach ($events as $event) {
+				if ($event['start'] && $event['start'] < $id['start']) $id['start'] = $event['start'];
+				if ($event['end'] && $event['end'] > $id['end']) $id['end'] = $event['end'];
 				// Keep ids for future use
-				$this->ids[]  = $event['id'];
+				$this->ids[] = $event['id'];
 			}
 			$id = array($id);
 		}
@@ -208,20 +208,20 @@ 
 		// as this function allows to pass query- parameters, we need to check the result of the query against export_limit restrictions
 		if (Api\Storage\Merge::hasExportLimit($this->export_limit) && !Api\Storage\Merge::is_export_limit_excepted() && count($events) > (int)$this->export_limit)
 		{
-			$err = lang('No rights to export more than %1 entries!',(int)$this->export_limit);
+			$err = lang('No rights to export more than %1 entries!', (int)$this->export_limit);
 			throw new Api\Exception\WrongUserinput($err);
 		}
 		$replacements = array();
 		$n = 0;
-		foreach($events as $event)
+		foreach ($events as $event)
 		{
-			$values = $this->calendar_replacements($event,sprintf($prefix,++$n), $content);
-			if(is_array($id) && $id['start'])
+			$values = $this->calendar_replacements($event, sprintf($prefix, ++$n), $content);
+			if (is_array($id) && $id['start'])
 			{
-				foreach(self::$range_tags as $key => $format)
+				foreach (self::$range_tags as $key => $format)
 				{
 					$value = date($format, $key == 'end' ? $id['end'] : $id['start']);
-					if($key == 'month') $value = lang($value);
+					if ($key == 'month') $value = lang($value);
 					$values["$\$range/$key$$"] = $value;
 				}
 			}
@@ -237,10 +237,10 @@ 
 	 * @param boolean $last_event_too=false also include information about the last event
 	 * @return array
 	 */
-	public function calendar_replacements($id,$prefix = '', &$content = '')
+	public function calendar_replacements($id, $prefix = '', &$content = '')
 	{
 		$replacements = array();
-		if(!is_array($id) || !$id['start']) {
+		if (!is_array($id) || !$id['start']) {
 			$event = $this->bo->read(is_array($id) ? $id['id'] : $id, is_array($id) ? $id['recur_date'] : null);
 		} else {
 			$event = $id;
@@ -253,68 +253,68 @@ 
 		importexport_export_csv::convert($record, $types, 'calendar');
 
 		$array = $record->get_record_array();
-		foreach($array as $key => $value)
+		foreach ($array as $key => $value)
 		{
-			$replacements['$$'.($prefix?$prefix.'/':'').$key.'$$'] = $value;
+			$replacements['$$'.($prefix ? $prefix.'/' : '').$key.'$$'] = $value;
 		}
 
-		$replacements['$$' . ($prefix ? $prefix . '/' : '') . 'calendar_id'. '$$'] = $event['id'];
-		foreach($this->bo->event2array($event) as $name => $data)
+		$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_id'.'$$'] = $event['id'];
+		foreach ($this->bo->event2array($event) as $name => $data)
 		{
-			if (substr($name,-4) == 'date') $name = substr($name,0,-4);
-			$replacements['$$' . ($prefix ? $prefix . '/' : '') . 'calendar_'.$name . '$$'] = is_array($data['data']) ? implode(', ',$data['data']) : $data['data'];
+			if (substr($name, -4) == 'date') $name = substr($name, 0, -4);
+			$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_'.$name.'$$'] = is_array($data['data']) ? implode(', ', $data['data']) : $data['data'];
 		}
 		// Add seperate lists of participants by type
-		if(strpos($content, 'calendar_participants/')!== false)
+		if (strpos($content, 'calendar_participants/') !== false)
 		{
 			$types = array();
-			foreach($this->bo->resources as $resource)
+			foreach ($this->bo->resources as $resource)
 			{
 				$types[$resource['app']] = array();
 			}
-			foreach($event['participants'] as $uid => $status)
+			foreach ($event['participants'] as $uid => $status)
 			{
 				$type = $this->bo->resources[$uid[0]]['app'];
-				if($type == 'api-accounts')
+				if ($type == 'api-accounts')
 				{
 					$type = ($GLOBALS['egw']->accounts->get_type($uid) == 'g' ? 'group' : 'account');
 				}
 				$types[$type][] = $this->bo->participant_name($uid);
 			}
-			foreach($types as $t_id => $type)
+			foreach ($types as $t_id => $type)
 			{
-				$replacements['$$'.($prefix ? $prefix . '/' : '') . "calendar_participants/{$t_id}$$"] = implode(', ',$type);
+				$replacements['$$'.($prefix ? $prefix.'/' : '')."calendar_participants/{$t_id}$$"] = implode(', ', $type);
 			}
 		}
-		if(!$replacements['$$'.($prefix ? $prefix . '/' : '') . 'calendar_recur_type$$'])
+		if (!$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_recur_type$$'])
 		{
 			// Need to set it to '' if not set or previous record may be used
-			$replacements['$$'.($prefix ? $prefix . '/' : '') . 'calendar_recur_type$$'] = '';
+			$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_recur_type$$'] = '';
 		}
-		foreach(array('start','end') as $what)
+		foreach (array('start', 'end') as $what)
 		{
-			foreach(array(
+			foreach (array(
 				'date' => $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'],
 				'day'  => 'l',
-				'time' => (date('Ymd',$event['start']) != date('Ymd',$event['end']) ? $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'].' ' : '') . ($GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == 12 ? 'h:i a' : 'H:i'),
+				'time' => (date('Ymd', $event['start']) != date('Ymd', $event['end']) ? $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'].' ' : '').($GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == 12 ? 'h:i a' : 'H:i'),
 			) as $name => $format)
 			{
-				$value = Api\DateTime::to($event[$what],$format);
+				$value = Api\DateTime::to($event[$what], $format);
 				if ($format == 'l') $value = lang($value);
-				$replacements['$$' .($prefix ? $prefix.'/':'').'calendar_'.$what.$name.'$$'] = $value;
+				$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_'.$what.$name.'$$'] = $value;
 			}
 		}
-		$duration = ($event['end'] - $event['start'])/60;
-		$replacements['$$'.($prefix?$prefix.'/':'').'calendar_duration$$'] = floor($duration/60).lang('h').($duration%60 ? $duration%60 : '');
+		$duration = ($event['end'] - $event['start']) / 60;
+		$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_duration$$'] = floor($duration / 60).lang('h').($duration % 60 ? $duration % 60 : '');
 
 		// Add in contact stuff for owner
-		if (strpos($content,'$$calendar_owner/') !== null && ($user = $GLOBALS['egw']->accounts->id2name($event['owner'],'person_id')))
+		if (strpos($content, '$$calendar_owner/') !== null && ($user = $GLOBALS['egw']->accounts->id2name($event['owner'], 'person_id')))
 		{
-			$replacements += $this->contact_replacements($user,($prefix ? $prefix.'/':'').'calendar_owner');
-			$replacements['$$'.($prefix?$prefix.'/':'').'calendar_owner/primary_group$$'] = $GLOBALS['egw']->accounts->id2name($GLOBALS['egw']->accounts->id2name($event['owner'],'account_primary_group'));
+			$replacements += $this->contact_replacements($user, ($prefix ? $prefix.'/' : '').'calendar_owner');
+			$replacements['$$'.($prefix ? $prefix.'/' : '').'calendar_owner/primary_group$$'] = $GLOBALS['egw']->accounts->id2name($GLOBALS['egw']->accounts->id2name($event['owner'], 'account_primary_group'));
 		}
 
-		if($content && strpos($content, '$$#') !== FALSE)
+		if ($content && strpos($content, '$$#') !== FALSE)
 		{
 			$this->cf_link_to_expand($event, $content, $replacements);
 		}
@@ -340,77 +340,77 @@ 
 	* @param string $repeat Text being repeated for each entry
 	* @return array
 	*/
-	public function day_plugin($plugin,$date,$n,$repeat)
+	public function day_plugin($plugin, $date, $n, $repeat)
 	{
 		static $days = null;
-		if(is_array($date) && !$date['start']) {
+		if (is_array($date) && !$date['start']) {
 			// List of IDs
-			if($date[0]['start']) {
+			if ($date[0]['start']) {
 				$id = array('start' => PHP_INT_MAX, 'end' => 0);
-				foreach($date as $event) {
-					if($event['start'] && $event['start'] < $id['start']) $id['start'] = $event['start'];
-					if($event['end'] && $event['end'] > $id['end']) $id['end'] = $event['end'];
+				foreach ($date as $event) {
+					if ($event['start'] && $event['start'] < $id['start']) $id['start'] = $event['start'];
+					if ($event['end'] && $event['end'] > $id['end']) $id['end'] = $event['end'];
 				}
 				$date = $id;
 			} else {
 				$event = $this->bo->read(is_array($date) ? $date['id'] : $date, is_array($date) ? $date['recur_date'] : null);
-				if(date('l',$event['start']) != $plugin) return array();
+				if (date('l', $event['start']) != $plugin) return array();
 				$date = $event['start'];
 			}
 		}
 
 		$_date = $date['start'] ? $date['start'] : $date;
-		if($days[date('Ymd',$_date)][$plugin]) return $days[date('Ymd',$_date)][$plugin][$n];
+		if ($days[date('Ymd', $_date)][$plugin]) return $days[date('Ymd', $_date)][$plugin][$n];
 
 		$events = $this->bo->search($this->query + array(
-			'start' => $date['end'] ? $date['start'] : mktime(0,0,0,date('m',$_date),date('d',$_date),date('Y',$_date)),
-			'end' => $date['end'] ? $date['end'] : mktime(23,59,59,date('m',$_date),date('d',$_date),date('Y',$_date)),
+			'start' => $date['end'] ? $date['start'] : mktime(0, 0, 0, date('m', $_date), date('d', $_date), date('Y', $_date)),
+			'end' => $date['end'] ? $date['end'] : mktime(23, 59, 59, date('m', $_date), date('d', $_date), date('Y', $_date)),
 			'offset' => 0,
 			'num_rows' => 20,
 			'order' => 'cal_start',
 			'daywise' => true,
-			'cfs' => array(),	// read all custom-fields
+			'cfs' => array(), // read all custom-fields
 		));
 
 		if (true) $days = array();
 		$replacements = array();
 		$time_format = $GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == 12 ? 'h:i a' : 'H:i';
-		foreach($events as $day => $list)
+		foreach ($events as $day => $list)
 		{
-			foreach($list as $event)
+			foreach ($list as $event)
 			{
-				if($this->ids && !in_array($event['id'], $this->ids)) continue;
+				if ($this->ids && !in_array($event['id'], $this->ids)) continue;
 				$start = Api\DateTime::to($event['start'], 'array');
 				$end = Api\DateTime::to($event['end'], 'array');
 				$replacements = $this->calendar_replacements($event);
-				if($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day']) {
-					$dow = date('l',$event['start']);
+				if ($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day']) {
+					$dow = date('l', $event['start']);
 				} else {
 					$dow = date('l', strtotime($day));
 					// Fancy date+time formatting for multi-day events
-					$replacements['$$calendar_starttime$$'] = date($time_format, $day == date('Ymd', $event['start']) ? $event['start'] : mktime(0,0,0,0,0,1));
-					$replacements['$$calendar_endtime$$'] = date($time_format, $day == date('Ymd', $event['end']) ? $event['end'] : mktime(23,59,59,0,0,0));
+					$replacements['$$calendar_starttime$$'] = date($time_format, $day == date('Ymd', $event['start']) ? $event['start'] : mktime(0, 0, 0, 0, 0, 1));
+					$replacements['$$calendar_endtime$$'] = date($time_format, $day == date('Ymd', $event['end']) ? $event['end'] : mktime(23, 59, 59, 0, 0, 0));
 				}
 
-				$days[date('Ymd',$_date)][$dow][] = $replacements;
+				$days[date('Ymd', $_date)][$dow][] = $replacements;
 			}
-			if(strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false) {
+			if (strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false) {
 				$date_marker = array(
 					'$$day/date$$' => date($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'], strtotime($day)),
 					'$$day/name$$' => lang(date('l', strtotime($day)))
 				);
-				if(!is_array($days[date('Ymd',$_date)][date('l',strtotime($day))])) {
+				if (!is_array($days[date('Ymd', $_date)][date('l', strtotime($day))])) {
 					$blank = $this->calendar_replacements(array());
-					foreach($blank as &$value)
+					foreach ($blank as &$value)
 					{
 						$value = '';
 					}
-					$days[date('Ymd',$_date)][date('l',strtotime($day))][] = $blank;
+					$days[date('Ymd', $_date)][date('l', strtotime($day))][] = $blank;
 				}
-				$days[date('Ymd',$_date)][date('l',strtotime($day))][0] += $date_marker;
+				$days[date('Ymd', $_date)][date('l', strtotime($day))][0] += $date_marker;
 			}
 		}
-		return $days[date('Ymd',$_date)][$plugin][0];
+		return $days[date('Ymd', $_date)][$plugin][0];
 	}
 
 	/**
@@ -424,27 +424,27 @@ 
 	* @param string $repeat Text being repeated for each entry
 	* @return array
 	*/
-	public function day($plugin,$id,$n,$repeat)
+	public function day($plugin, $id, $n, $repeat)
 	{
 		static $days = null;
 
 		// Figure out which day
-		list($type, $which) = explode('_',$plugin);
-		if($type == 'day' && $which)
+		list($type, $which) = explode('_', $plugin);
+		if ($type == 'day' && $which)
 		{
-			if($id[0]['start'])
+			if ($id[0]['start'])
 			{
 				$dates = array('start' => PHP_INT_MAX, 'end' => 0);
-				foreach($id as $event) {
-					if($event['start'] && $event['start'] < $dates['start']) $dates['start'] = $event['start'];
-					if($event['end'] && $event['end'] > $dates['end']) $dates['end'] = $event['end'];
+				foreach ($id as $event) {
+					if ($event['start'] && $event['start'] < $dates['start']) $dates['start'] = $event['start'];
+					if ($event['end'] && $event['end'] > $dates['end']) $dates['end'] = $event['end'];
 				}
 				$id = $dates;
 			}
 			$arr = $this->bo->date2array($id['start']);
 			$arr['day'] = $which;
 			$date = $this->bo->date2ts($arr);
-			if(is_array($id) && $id['start'] && ($date < $id['start'] || $date > $id['end'])) return array();
+			if (is_array($id) && $id['start'] && ($date < $id['start'] || $date > $id['end'])) return array();
 		}
 		elseif ($plugin == 'selected')
 		{
@@ -454,64 +454,64 @@ 
 		{
 			$date = strtotime($plugin);
 		}
-		if($type == 'day' && is_array($id) && !$id['start']) {
+		if ($type == 'day' && is_array($id) && !$id['start']) {
 			$event = $this->bo->read(is_array($id) ? $id['id'] : $id, is_array($id) ? $id['recur_date'] : null);
-			if($which && date('d',$event['start']) != $which) return array();
-			if(date('Ymd',$date) != date('Ymd', $event['start'])) return array();
+			if ($which && date('d', $event['start']) != $which) return array();
+			if (date('Ymd', $date) != date('Ymd', $event['start'])) return array();
 			return $n == 0 ? $this->calendar_replacements($event) : array();
 		}
 
 		// Use start for cache, in case of multiple months
 		$_date = $id['start'] ? $id['start'] : $date;
-		if($days[date('Ymd',$_date)][$plugin]) return $days[date('Ymd',$_date)][$plugin][$n];
+		if ($days[date('Ymd', $_date)][$plugin]) return $days[date('Ymd', $_date)][$plugin][$n];
 
 		$events = $this->bo->search($this->query + array(
 			'start' => $date,
-			'end' => mktime(23,59,59,date('m',$date),date('d',$date),date('Y',$date)),
+			'end' => mktime(23, 59, 59, date('m', $date), date('d', $date), date('Y', $date)),
 			'offset' => 0,
 			'num_rows' => 20,
 			'order' => 'cal_start',
 			'daywise' => true,
-			'cfs' => array(),	// read all custom-fields
+			'cfs' => array(), // read all custom-fields
 		));
 
 		$replacements = array();
 		if (true) $days = array();
 		$time_format = $GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == 12 ? 'h:i a' : 'H:i';
-		foreach($events as $day => $list)
+		foreach ($events as $day => $list)
 		{
-			foreach($list as $event)
+			foreach ($list as $event)
 			{
-				if($this->ids && !in_array($event['id'], $this->ids)) continue;
+				if ($this->ids && !in_array($event['id'], $this->ids)) continue;
 				$start = Api\DateTime::to($event['start'], 'array');
 				$end = Api\DateTime::to($event['end'], 'array');
 				$replacements = $this->calendar_replacements($event);
-				if($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day']) {
+				if ($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day']) {
 					//$dow = date('l',$event['start']);
 				} else {
 					// Fancy date+time formatting for multi-day events
-					$replacements['$$calendar_starttime$$'] = date($time_format, $day == date('Ymd', $event['start']) ? $event['start'] : mktime(0,0,0,0,0,1));
-					$replacements['$$calendar_endtime$$'] = date($time_format, $day == date('Ymd', $event['end']) ? $event['end'] : mktime(23,59,59,0,0,0));
+					$replacements['$$calendar_starttime$$'] = date($time_format, $day == date('Ymd', $event['start']) ? $event['start'] : mktime(0, 0, 0, 0, 0, 1));
+					$replacements['$$calendar_endtime$$'] = date($time_format, $day == date('Ymd', $event['end']) ? $event['end'] : mktime(23, 59, 59, 0, 0, 0));
 				}
-				$days[date('Ymd',$_date)][$plugin][] = $replacements;
+				$days[date('Ymd', $_date)][$plugin][] = $replacements;
 			}
-			if(strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false) {
+			if (strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false) {
 				$date_marker = array(
 					'$$day/date$$' => date($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'], strtotime($day)),
 					'$$day/name$$' => lang(date('l', strtotime($day)))
 				);
-				if(!is_array($days[date('Ymd',$_date)][$plugin])) {
+				if (!is_array($days[date('Ymd', $_date)][$plugin])) {
 					$blank = $this->calendar_replacements(array());
-					foreach($blank as &$value)
+					foreach ($blank as &$value)
 					{
 						$value = '';
 					}
-					$days[date('Ymd',$_date)][$plugin][] = $blank;
+					$days[date('Ymd', $_date)][$plugin][] = $blank;
 				}
-				$days[date('Ymd',$_date)][$plugin][0] += $date_marker;
+				$days[date('Ymd', $_date)][$plugin][0] += $date_marker;
 			}
 		}
-		return $days[date('Ymd',$_date)][$plugin][0];
+		return $days[date('Ymd', $_date)][$plugin][0];
 	}
 
 	/**
@@ -524,30 +524,30 @@ 
 	* @param int $n
 	* @return array
 	*/
-	public function participant($plugin,$id,$n)
+	public function participant($plugin, $id, $n)
 	{
-		unset($plugin);	// not used, but required by function signature
+		unset($plugin); // not used, but required by function signature
 
-		if(!is_array($id) || !$id['start']) {
+		if (!is_array($id) || !$id['start']) {
 			$event = $this->bo->read(is_array($id) ? $id['id'] : $id, is_array($id) ? $id['recur_date'] : null);
 		} else {
 			$event = $id;
 		}
 
-		if(!is_array($event['participants']) || $n >= count($event['participants'])) return array();
+		if (!is_array($event['participants']) || $n >= count($event['participants'])) return array();
 
 		$participant = null;
 		$status = null;
 		$i = -1;
-		foreach($event['participants'] as $participant => $status) {
-			if(++$i == $n) break;
+		foreach ($event['participants'] as $participant => $status) {
+			if (++$i == $n) break;
 		}
 
-		if(!$participant) return array();
+		if (!$participant) return array();
 
 		// Add some common information
 		$quantity = $role = null;
-		calendar_so::split_status($status,$quantity,$role);
+		calendar_so::split_status($status, $quantity, $role);
 		if ($role != 'REQ-PARTICIPANT')
 		{
 			if (isset($this->bo->roles[$role]))
@@ -555,13 +555,13 @@ 
 				$role = lang($this->bo->roles[$role]);
 			}
 			// allow to use cats as roles (beside regular iCal ones)
-			elseif (substr($role,0,6) == 'X-CAT-' && ($cat_id = (int)substr($role,6)) > 0)
+			elseif (substr($role, 0, 6) == 'X-CAT-' && ($cat_id = (int)substr($role, 6)) > 0)
 			{
 				$role = $GLOBALS['egw']->categories->id2name($cat_id);
 			}
 			else
 			{
-				$role = lang(str_replace('X-','',$role));
+				$role = lang(str_replace('X-', '', $role));
 			}
 		}
 		$info = array(
@@ -574,26 +574,26 @@ 
 		switch ($participant[0])
 		{
 			case 'c':
-				$replacements = $this->contact_replacements(substr($participant,1),'');
+				$replacements = $this->contact_replacements(substr($participant, 1), '');
 				break;
 			case 'r':
 				if (is_null(self::$resources)) self::$resources = CreateObject('resources.resources_bo');
-				if (($resource = self::$resources->read(substr($participant,1))))
+				if (($resource = self::$resources->read(substr($participant, 1))))
 				{
-					foreach($resource as $name => $value)
+					foreach ($resource as $name => $value)
 					{
 					    $replacements['$$'.$name.'$$'] = $value;
 					}
 				}
 				break;
 			default:
-				if (is_numeric($participant) && ($contact = $GLOBALS['egw']->accounts->id2name($participant,'person_id')))
+				if (is_numeric($participant) && ($contact = $GLOBALS['egw']->accounts->id2name($participant, 'person_id')))
 				{
-					$replacements = $this->contact_replacements($contact,'');
+					$replacements = $this->contact_replacements($contact, '');
 				}
 				break;
 		}
-		foreach($info as $name => $value)
+		foreach ($info as $name => $value)
 		{
 			$replacements['$$'.$name.'$$'] = $value;
 		}
@@ -615,7 +615,7 @@ 
 		echo '<tr><td colspan="4"><h3>'.lang('Calendar fields:')."</h3></td></tr>";
 
 		$n = 0;
-		foreach(array(
+		foreach (array(
 			'calendar_id' => lang('Calendar ID'),
 			'calendar_title' => lang('Title'),
 			'calendar_description' => lang('Description'),
@@ -638,7 +638,7 @@ 
 			'calendar_owner'    => lang('Owner'),
 		) as $name => $label)
 		{
-			if (in_array($name,array('start','end')) && $n&1)		// main values, which should be in the first column
+			if (in_array($name, array('start', 'end')) && $n&1)		// main values, which should be in the first column
 			{
 				echo "</tr>\n";
 				$n++;
@@ -651,13 +651,13 @@ 
 
 		echo '<tr><td colspan="4"><h3>'.lang('Range fields').":</h3></td></tr>";
 		echo '<tr><td colspan="4">'.lang('If you select a range (month, week, etc) instead of a list of entries, these extra fields are available').'</td></tr>';
-		foreach(array_keys(self::$range_tags) as $name)
+		foreach (array_keys(self::$range_tags) as $name)
 		{
 			echo '<tr><td>{{range/'.$name.'}}</td><td>'.lang($name)."</td></tr>\n";
 		}
 		echo '<tr><td colspan="4"><h3>'.lang('Custom fields').":</h3></td></tr>";
 		$custom = Api\Storage\Customfields::get('calendar');
-		foreach($custom as $name => $field)
+		foreach ($custom as $name => $field)
 		{
 			echo '<tr><td>{{#'.$name.'}}</td><td colspan="3">'.$field['label']."</td></tr>\n";
 		}
@@ -666,9 +666,9 @@ 
 		echo '<tr><td colspan="4"><h3>'.lang('Participants').":</h3></td></tr>";
 		echo '<tr><td>{{calendar_participants/account}}</td><td colspan="3">'.lang('Accounts')."</td></tr>\n";
 		echo '<tr><td>{{calendar_participants/group}}</td><td colspan="3">'.lang('Groups')."</td></tr>\n";
-		foreach($this->bo->resources as $resource)
+		foreach ($this->bo->resources as $resource)
 		{
-			if($resource['type'])
+			if ($resource['type'])
 			{
 				echo '<tr><td>{{calendar_participants/'.$resource['app'].'}}</td><td colspan="3">'.lang($resource['app'])."</td></tr>\n";
 			}
@@ -685,19 +685,19 @@ 
 		echo '<tr style="vertical-align:top"><td colspan="2"><table >';
 		echo '<tr><td><h3>'.lang('Day of week tables').":</h3></td></tr>";
 		$days = array();
-		for($i = 0; $i < 7; $i++)
+		for ($i = 0; $i < 7; $i++)
 		{
-			$days[date('N',strtotime("+$i days"))] = date('l',strtotime("+$i days"));
+			$days[date('N', strtotime("+$i days"))] = date('l', strtotime("+$i days"));
 		}
 		ksort($days);
-		foreach($days as $day)
+		foreach ($days as $day)
 		{
-			echo '<tr><td>{{table/'.$day. '}} ... {{endtable}}</td></tr>';
+			echo '<tr><td>{{table/'.$day.'}} ... {{endtable}}</td></tr>';
 		}
 		echo '</table></td><td colspan="2"><table >';
 		echo '<tr><td><h3>'.lang('Daily tables').":</h3></td></tr>";
-		foreach(self::$relative as $value) {
-			echo '<tr><td>{{table/'.$value. '}} ... {{endtable}}</td></tr>';
+		foreach (self::$relative as $value) {
+			echo '<tr><td>{{table/'.$value.'}} ... {{endtable}}</td></tr>';
 		}
 		echo '<tr><td>{{table/day_n}} ... {{endtable}}</td><td>1 <= n <= 31</td></tr>';
 		echo '</table></td></tr>';
@@ -705,7 +705,7 @@ 
 		echo '<tr><td>{{day/name}}</td><td colspan="3">'.lang('Name of the week (ex: Monday), available for the first entry inside each day of week or daily table inside the selected range.').'</td></tr>';
 
 		echo '<tr><td colspan="4"><h3>'.lang('General fields:')."</h3></td></tr>";
-		foreach(array(
+		foreach (array(
 			'link' => lang('HTML link to the current record'),
 			'links' => lang('Titles of any entries linked to the current record, excluding attached files'),
 			'attachments' => lang('List of files linked to the current record'),

Braces +167 added lines, -53 removed lines

@@ -88,10 +88,12 @@ 
 		{
 			$this->table_plugins[date('l', strtotime("+$i days"))] = 'day_plugin';
 		}
-		for($i = 1; $i <= 31; $i++) {
+		for($i = 1; $i <= 31; $i++)
+		{
 			$this->table_plugins['day_'.$i] = 'day'; // Numerically by day number (1-31)
 		}
-		foreach(self::$relative as $day) {
+		foreach(self::$relative as $day)
+		{
 			$this->table_plugins[$day] = 'day'; // Current day
 		}
 		$this->query = is_array($this->bo->cal_prefs['saved_states']) ?
@@ -131,9 +133,16 @@ 
 				$events = $ids;
 				$ids = array('start' => PHP_INT_MAX, 'end' => 0);
 				$this->ids = array();
-				foreach($events as $event) {
-					if($event['start'] && Api\DateTime::to($event['start'],'ts') < $ids['start']) $ids['start'] = Api\DateTime::to($event['start'],'ts');
-					if($event['end'] && Api\DateTime::to($event['end'],'ts') > $ids['end']) $ids['end'] = Api\DateTime::to($event['end'],'ts');
+				foreach($events as $event)
+				{
+					if($event['start'] && Api\DateTime::to($event['start'],'ts') < $ids['start'])
+					{
+						$ids['start'] = Api\DateTime::to($event['start'],'ts');
+					}
+					if($event['end'] && Api\DateTime::to($event['end'],'ts') > $ids['end'])
+					{
+						$ids['end'] = Api\DateTime::to($event['end'],'ts');
+					}
 					// Keep ids for future use
 					$this->ids[] = $event['id'];
 				}
@@ -154,7 +163,8 @@ 
 				'cfs' => strpos($content, '#') !== false ? array_keys(Api\Storage\Customfields::get('calendar')) : null
 			));
 			$ids = array();
-			foreach($events as $event) {
+			foreach($events as $event)
+			{
 				$ids[] = $event;
 			}
 		}
@@ -192,9 +202,16 @@ 
 			$events = $id;
 			$id = array('start' => PHP_INT_MAX, 'end' => 0);
 			$this->ids = array();
-			foreach($events as $event) {
-				if($event['start'] && $event['start'] < $id['start']) $id['start'] = $event['start'];
-				if($event['end'] && $event['end'] > $id['end']) $id['end'] = $event['end'];
+			foreach($events as $event)
+			{
+				if($event['start'] && $event['start'] < $id['start'])
+				{
+					$id['start'] = $event['start'];
+				}
+				if($event['end'] && $event['end'] > $id['end'])
+				{
+					$id['end'] = $event['end'];
+				}
 				// Keep ids for future use
 				$this->ids[]  = $event['id'];
 			}
@@ -221,7 +238,10 @@ 
 				foreach(self::$range_tags as $key => $format)
 				{
 					$value = date($format, $key == 'end' ? $id['end'] : $id['start']);
-					if($key == 'month') $value = lang($value);
+					if($key == 'month')
+					{
+						$value = lang($value);
+					}
 					$values["$\$range/$key$$"] = $value;
 				}
 			}
@@ -240,9 +260,12 @@ 
 	public function calendar_replacements($id,$prefix = '', &$content = '')
 	{
 		$replacements = array();
-		if(!is_array($id) || !$id['start']) {
+		if(!is_array($id) || !$id['start'])
+		{
 			$event = $this->bo->read(is_array($id) ? $id['id'] : $id, is_array($id) ? $id['recur_date'] : null);
-		} else {
+		}
+		else
+		{
 			$event = $id;
 		}
 
@@ -261,7 +284,10 @@ 
 		$replacements['$$' . ($prefix ? $prefix . '/' : '') . 'calendar_id'. '$$'] = $event['id'];
 		foreach($this->bo->event2array($event) as $name => $data)
 		{
-			if (substr($name,-4) == 'date') $name = substr($name,0,-4);
+			if (substr($name,-4) == 'date')
+			{
+				$name = substr($name,0,-4);
+			}
 			$replacements['$$' . ($prefix ? $prefix . '/' : '') . 'calendar_'.$name . '$$'] = is_array($data['data']) ? implode(', ',$data['data']) : $data['data'];
 		}
 		// Add seperate lists of participants by type
@@ -300,7 +326,10 @@ 
 			) as $name => $format)
 			{
 				$value = Api\DateTime::to($event[$what],$format);
-				if ($format == 'l') $value = lang($value);
+				if ($format == 'l')
+				{
+					$value = lang($value);
+				}
 				$replacements['$$' .($prefix ? $prefix.'/':'').'calendar_'.$what.$name.'$$'] = $value;
 			}
 		}
@@ -343,24 +372,41 @@ 
 	public function day_plugin($plugin,$date,$n,$repeat)
 	{
 		static $days = null;
-		if(is_array($date) && !$date['start']) {
+		if(is_array($date) && !$date['start'])
+		{
 			// List of IDs
-			if($date[0]['start']) {
+			if($date[0]['start'])
+			{
 				$id = array('start' => PHP_INT_MAX, 'end' => 0);
-				foreach($date as $event) {
-					if($event['start'] && $event['start'] < $id['start']) $id['start'] = $event['start'];
-					if($event['end'] && $event['end'] > $id['end']) $id['end'] = $event['end'];
+				foreach($date as $event)
+				{
+					if($event['start'] && $event['start'] < $id['start'])
+					{
+						$id['start'] = $event['start'];
+					}
+					if($event['end'] && $event['end'] > $id['end'])
+					{
+						$id['end'] = $event['end'];
+					}
 				}
 				$date = $id;
-			} else {
+			}
+			else
+			{
 				$event = $this->bo->read(is_array($date) ? $date['id'] : $date, is_array($date) ? $date['recur_date'] : null);
-				if(date('l',$event['start']) != $plugin) return array();
+				if(date('l',$event['start']) != $plugin)
+				{
+					return array();
+				}
 				$date = $event['start'];
 			}
 		}
 
 		$_date = $date['start'] ? $date['start'] : $date;
-		if($days[date('Ymd',$_date)][$plugin]) return $days[date('Ymd',$_date)][$plugin][$n];
+		if($days[date('Ymd',$_date)][$plugin])
+		{
+			return $days[date('Ymd',$_date)][$plugin][$n];
+		}
 
 		$events = $this->bo->search($this->query + array(
 			'start' => $date['end'] ? $date['start'] : mktime(0,0,0,date('m',$_date),date('d',$_date),date('Y',$_date)),
@@ -372,20 +418,29 @@ 
 			'cfs' => array(),	// read all custom-fields
 		));
 
-		if (true) $days = array();
+		if (true)
+		{
+			$days = array();
+		}
 		$replacements = array();
 		$time_format = $GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == 12 ? 'h:i a' : 'H:i';
 		foreach($events as $day => $list)
 		{
 			foreach($list as $event)
 			{
-				if($this->ids && !in_array($event['id'], $this->ids)) continue;
+				if($this->ids && !in_array($event['id'], $this->ids))
+				{
+					continue;
+				}
 				$start = Api\DateTime::to($event['start'], 'array');
 				$end = Api\DateTime::to($event['end'], 'array');
 				$replacements = $this->calendar_replacements($event);
-				if($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day']) {
+				if($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day'])
+				{
 					$dow = date('l',$event['start']);
-				} else {
+				}
+				else
+				{
 					$dow = date('l', strtotime($day));
 					// Fancy date+time formatting for multi-day events
 					$replacements['$$calendar_starttime$$'] = date($time_format, $day == date('Ymd', $event['start']) ? $event['start'] : mktime(0,0,0,0,0,1));
@@ -394,12 +449,14 @@ 
 
 				$days[date('Ymd',$_date)][$dow][] = $replacements;
 			}
-			if(strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false) {
+			if(strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false)
+			{
 				$date_marker = array(
 					'$$day/date$$' => date($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'], strtotime($day)),
 					'$$day/name$$' => lang(date('l', strtotime($day)))
 				);
-				if(!is_array($days[date('Ymd',$_date)][date('l',strtotime($day))])) {
+				if(!is_array($days[date('Ymd',$_date)][date('l',strtotime($day))]))
+				{
 					$blank = $this->calendar_replacements(array());
 					foreach($blank as &$value)
 					{
@@ -435,16 +492,26 @@ 
 			if($id[0]['start'])
 			{
 				$dates = array('start' => PHP_INT_MAX, 'end' => 0);
-				foreach($id as $event) {
-					if($event['start'] && $event['start'] < $dates['start']) $dates['start'] = $event['start'];
-					if($event['end'] && $event['end'] > $dates['end']) $dates['end'] = $event['end'];
+				foreach($id as $event)
+				{
+					if($event['start'] && $event['start'] < $dates['start'])
+					{
+						$dates['start'] = $event['start'];
+					}
+					if($event['end'] && $event['end'] > $dates['end'])
+					{
+						$dates['end'] = $event['end'];
+					}
 				}
 				$id = $dates;
 			}
 			$arr = $this->bo->date2array($id['start']);
 			$arr['day'] = $which;
 			$date = $this->bo->date2ts($arr);
-			if(is_array($id) && $id['start'] && ($date < $id['start'] || $date > $id['end'])) return array();
+			if(is_array($id) && $id['start'] && ($date < $id['start'] || $date > $id['end']))
+			{
+				return array();
+			}
 		}
 		elseif ($plugin == 'selected')
 		{
@@ -454,16 +521,26 @@ 
 		{
 			$date = strtotime($plugin);
 		}
-		if($type == 'day' && is_array($id) && !$id['start']) {
+		if($type == 'day' && is_array($id) && !$id['start'])
+		{
 			$event = $this->bo->read(is_array($id) ? $id['id'] : $id, is_array($id) ? $id['recur_date'] : null);
-			if($which && date('d',$event['start']) != $which) return array();
-			if(date('Ymd',$date) != date('Ymd', $event['start'])) return array();
+			if($which && date('d',$event['start']) != $which)
+			{
+				return array();
+			}
+			if(date('Ymd',$date) != date('Ymd', $event['start']))
+			{
+				return array();
+			}
 			return $n == 0 ? $this->calendar_replacements($event) : array();
 		}
 
 		// Use start for cache, in case of multiple months
 		$_date = $id['start'] ? $id['start'] : $date;
-		if($days[date('Ymd',$_date)][$plugin]) return $days[date('Ymd',$_date)][$plugin][$n];
+		if($days[date('Ymd',$_date)][$plugin])
+		{
+			return $days[date('Ymd',$_date)][$plugin][$n];
+		}
 
 		$events = $this->bo->search($this->query + array(
 			'start' => $date,
@@ -476,31 +553,42 @@ 
 		));
 
 		$replacements = array();
-		if (true) $days = array();
+		if (true)
+		{
+			$days = array();
+		}
 		$time_format = $GLOBALS['egw_info']['user']['preferences']['common']['timeformat'] == 12 ? 'h:i a' : 'H:i';
 		foreach($events as $day => $list)
 		{
 			foreach($list as $event)
 			{
-				if($this->ids && !in_array($event['id'], $this->ids)) continue;
+				if($this->ids && !in_array($event['id'], $this->ids))
+				{
+					continue;
+				}
 				$start = Api\DateTime::to($event['start'], 'array');
 				$end = Api\DateTime::to($event['end'], 'array');
 				$replacements = $this->calendar_replacements($event);
-				if($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day']) {
+				if($start['year'] == $end['year'] && $start['month'] == $end['month'] && $start['day'] == $end['day'])
+				{
 					//$dow = date('l',$event['start']);
-				} else {
+				}
+				else
+				{
 					// Fancy date+time formatting for multi-day events
 					$replacements['$$calendar_starttime$$'] = date($time_format, $day == date('Ymd', $event['start']) ? $event['start'] : mktime(0,0,0,0,0,1));
 					$replacements['$$calendar_endtime$$'] = date($time_format, $day == date('Ymd', $event['end']) ? $event['end'] : mktime(23,59,59,0,0,0));
 				}
 				$days[date('Ymd',$_date)][$plugin][] = $replacements;
 			}
-			if(strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false) {
+			if(strpos($repeat, 'day/date') !== false || strpos($repeat, 'day/name') !== false)
+			{
 				$date_marker = array(
 					'$$day/date$$' => date($GLOBALS['egw_info']['user']['preferences']['common']['dateformat'], strtotime($day)),
 					'$$day/name$$' => lang(date('l', strtotime($day)))
 				);
-				if(!is_array($days[date('Ymd',$_date)][$plugin])) {
+				if(!is_array($days[date('Ymd',$_date)][$plugin]))
+				{
 					$blank = $this->calendar_replacements(array());
 					foreach($blank as &$value)
 					{
@@ -528,22 +616,35 @@ 
 	{
 		unset($plugin);	// not used, but required by function signature
 
-		if(!is_array($id) || !$id['start']) {
+		if(!is_array($id) || !$id['start'])
+		{
 			$event = $this->bo->read(is_array($id) ? $id['id'] : $id, is_array($id) ? $id['recur_date'] : null);
-		} else {
+		}
+		else
+		{
 			$event = $id;
 		}
 
-		if(!is_array($event['participants']) || $n >= count($event['participants'])) return array();
+		if(!is_array($event['participants']) || $n >= count($event['participants']))
+		{
+			return array();
+		}
 
 		$participant = null;
 		$status = null;
 		$i = -1;
-		foreach($event['participants'] as $participant => $status) {
-			if(++$i == $n) break;
+		foreach($event['participants'] as $participant => $status)
+		{
+			if(++$i == $n)
+			{
+				break;
+			}
 		}
 
-		if(!$participant) return array();
+		if(!$participant)
+		{
+			return array();
+		}
 
 		// Add some common information
 		$quantity = $role = null;
@@ -577,7 +678,10 @@ 
 				$replacements = $this->contact_replacements(substr($participant,1),'');
 				break;
 			case 'r':
-				if (is_null(self::$resources)) self::$resources = CreateObject('resources.resources_bo');
+				if (is_null(self::$resources))
+				{
+					self::$resources = CreateObject('resources.resources_bo');
+				}
 				if (($resource = self::$resources->read(substr($participant,1))))
 				{
 					foreach($resource as $name => $value)
@@ -638,14 +742,23 @@ 
 			'calendar_owner'    => lang('Owner'),
 		) as $name => $label)
 		{
-			if (in_array($name,array('start','end')) && $n&1)		// main values, which should be in the first column
+			if (in_array($name,array('start','end')) && $n&1)
+			{
+				// main values, which should be in the first column
 			{
 				echo "</tr>\n";
+			}
 				$n++;
 			}
-			if (!($n&1)) echo '<tr>';
+			if (!($n&1))
+			{
+				echo '<tr>';
+			}
 			echo '<td>{{'.$name.'}}</td><td>'.$label.'</td>';
-			if ($n&1) echo "</tr>\n";
+			if ($n&1)
+			{
+				echo "</tr>\n";
+			}
 			$n++;
 		}
 
@@ -696,7 +809,8 @@ 
 		}
 		echo '</table></td><td colspan="2"><table >';
 		echo '<tr><td><h3>'.lang('Daily tables').":</h3></td></tr>";
-		foreach(self::$relative as $value) {
+		foreach(self::$relative as $value)
+		{
 			echo '<tr><td>{{table/'.$value. '}} ... {{endtable}}</td></tr>';
 		}
 		echo '<tr><td>{{table/day_n}} ... {{endtable}}</td><td>1 <= n <= 31</td></tr>';

calendar/inc/class.calendar_so.inc.php

Doc Comments +13 added lines, -37 removed lines

@@ -211,23 +211,11 @@ 
 	 * @param int $start startdate of the search/list (servertime)
 	 * @param int $end enddate of the search/list (servertime)
 	 * @param int|array $users user-id or array of user-id's, !$users means all entries regardless of users
-	 * @param int|array $cat_id =0 mixed category-id or array of cat-id's (incl. all sub-categories), default 0 = all
+	 * @param integer $cat_id =0 mixed category-id or array of cat-id's (incl. all sub-categories), default 0 = all
 	 * @param string $filter ='default' string filter-name: all (not rejected), accepted, unknown, tentative, rejected or everything (incl. rejected, deleted)
 	 * @param int|boolean $offset =False offset for a limited query or False (default)
 	 * @param int $num_rows =0 number of rows to return if offset set, default 0 = use default in user prefs
 	 * @param array $params =array()
-	 * @param string|array $params['query'] string: pattern so search for, if unset or empty all matching entries are returned (no search)
-	 *		Please Note: a search never returns repeating events more then once AND does not honor start+end date !!!
-	 *      array: everything is directly used as $where
-	 * @param string $params['order'] ='cal_start' column-names plus optional DESC|ASC separted by comma
-	 * @param string $params['sql_filter'] sql to be and'ed into query (fully quoted)
-	 * @param string|array $params['cols'] what to select, default "$this->repeats_table.*,$this->cal_table.*,cal_start,cal_end,cal_recur_date",
-	 * 						if specified and not false an iterator for the rows is returned
-	 * @param string $params['append'] SQL to append to the query before $order, eg. for a GROUP BY clause
-	 * @param array $params['cfs'] custom fields to query, null = none, array() = all, or array with cfs names
-	 * @param array $params['users'] raw parameter as passed to calendar_bo::search() no memberships resolved!
-	 * @param boolean $params['master_only'] =false, true only take into account participants/status from master (for AS)
-	 * @param boolean $params['enum_recuring'] =true enumerate recuring events
 	 * @param int $remove_rejected_by_user =null add join to remove entry, if given user has rejected it
 	 * @return array of events
 	 */
@@ -594,7 +582,7 @@ 
 	/**
 	 * generate SQL to filter after a given category (incl. subcategories)
 	 *
-	 * @param array|int $cat_id cat-id or array of cat-ids, or !$cat_id for none
+	 * @param integer $cat_id cat-id or array of cat-ids, or !$cat_id for none
 	 * @return string SQL to include in the query
 	 */
 	function cat_filter($cat_id)
@@ -682,24 +670,11 @@ 
 	 * @param int $start startdate of the search/list (servertime)
 	 * @param int $end enddate of the search/list (servertime)
 	 * @param int|array $users user-id or array of user-id's, !$users means all entries regardless of users
-	 * @param int|array $cat_id =0 mixed category-id or array of cat-id's (incl. all sub-categories), default 0 = all
+	 * @param integer $cat_id =0 mixed category-id or array of cat-id's (incl. all sub-categories), default 0 = all
 	 * @param string $filter ='all' string filter-name: all (not rejected), accepted, unknown, tentative, rejected or everything (incl. rejected, deleted)
 	 * @param int|boolean $offset =False offset for a limited query or False (default)
 	 * @param int $num_rows =0 number of rows to return if offset set, default 0 = use default in user prefs
 	 * @param array $params =array()
-	 * @param string|array $params['query'] string: pattern so search for, if unset or empty all matching entries are returned (no search)
-	 *		Please Note: a search never returns repeating events more then once AND does not honor start+end date !!!
-	 *      array: everything is directly used as $where
-	 * @param string $params['order'] ='cal_start' column-names plus optional DESC|ASC separted by comma
-	 * @param string|array $params['sql_filter'] sql to be and'ed into query (fully quoted), or usual filter array
-	 * @param string|array $params['cols'] what to select, default "$this->repeats_table.*,$this->cal_table.*,cal_start,cal_end,cal_recur_date",
-	 * 						if specified and not false an iterator for the rows is returned
-	 * @param string $params['append'] SQL to append to the query before $order, eg. for a GROUP BY clause
-	 * @param array $params['cfs'] custom fields to query, null = none, array() = all, or array with cfs names
-	 * @param array $params['users'] raw parameter as passed to calendar_bo::search() no memberships resolved!
-	 * @param boolean $params['master_only'] =false, true only take into account participants/status from master (for AS)
-	 * @param boolean $params['enum_recuring'] =true enumerate recuring events
-	 * @param boolean $params['use_so_events'] =false, true return result of new $this->events()
 	 * @param int $remove_rejected_by_user =null add join to remove entry, if given user has rejected it
 	 * @return Iterator|array of events
 	 */
@@ -1140,11 +1115,11 @@ 
 	 * Ask other apps if they want to participate in calendar search / display
 	 *
 	 * @param &$selects parts of union query
-	 * @param $start see search()
-	 * @param $end
+	 * @param integer $start see search()
+	 * @param integer $end
 	 * @param $users as used in calendar_so ($users_raw plus all members and memberships added by calendar_bo)
-	 * @param $cat_id
-	 * @param $filter
+	 * @param integer $cat_id
+	 * @param string $filter
 	 * @param $query
 	 * @param $users_raw as passed to calendar_bo::search (no members and memberships added)
 	 */
@@ -1312,6 +1287,7 @@ 
 	 * @param int &$set_recurrences_start=0 on return: time from which on the recurrences should be rebuilt, default 0=all
 	 * @param int $change_since =0 time from which on the repetitions should be changed, default 0=all
 	 * @param int &$etag etag=null etag to check or null, on return new etag
+	 * @param boolean $set_recurrences
 	 * @return boolean|int false on error, 0 if etag does not match, cal_id otherwise
 	 */
 	function save($event,&$set_recurrences,&$set_recurrences_start=0,$change_since=0,&$etag=null)
@@ -1722,7 +1698,7 @@ 
 	 * @param int $cal_id
 	 * @param int $start new starttime
 	 * @param int $end new endtime
-	 * @param int|boolean $change_since =0 false=new entry, > 0 time from which on the repetitions should be changed, default 0=all
+	 * @param integer $change_since =0 false=new entry, > 0 time from which on the repetitions should be changed, default 0=all
 	 * @param int $old_start =0 old starttime or (default) 0, to query it from the db
 	 * @param int $old_end =0 old starttime or (default) 0
 	 * @todo Recalculate recurrences, if timezone changes
@@ -1899,12 +1875,12 @@ 
 	 *
 	 * @param int $cal_id
 	 * @param array $participants uid => status pairs
-	 * @param int|boolean $change_since =0, false=new event,
+	 * @param integer $change_since =0, false=new event,
 	 * 		0=all, > 0 time from which on the repetitions should be changed
 	 * @param boolean $add_only =false
 	 *		false = add AND delete participants if needed (full list of participants required in $participants)
 	 *		true = only add participants if needed, no participant will be deleted (participants to check/add required in $participants)
-	 * @return int|boolean number of updated recurrences or false on error
+	 * @return boolean number of updated recurrences or false on error
 	 */
 	function participants($cal_id,$participants,$change_since=0,$add_only=false)
 	{
@@ -2045,7 +2021,7 @@ 
 	 * set the status of one participant for a given recurrence or for all recurrences since now (includes recur_date=0)
 	 *
 	 * @param int $cal_id
-	 * @param char $user_type 'u' regular user, 'r' resource, 'c' contact
+	 * @param string $user_type 'u' regular user, 'r' resource, 'c' contact
 	 * @param int|string $user_id
 	 * @param int|char $status numeric status (defines) or 1-char code: 'R', 'U', 'T' or 'A'
 	 * @param int $recur_date =0 date to change, or 0 = all since now
@@ -2962,7 +2938,7 @@ 
 	 * Updates the modification timestamp to force an etag, ctag and sync-token change
 	 *
 	 * @param int $id event id
-	 * @param int|boolean $update_master =false id of series master or true, to update series master too
+	 * @param boolean $update_master =false id of series master or true, to update series master too
 	 * @param int $time =null new timestamp, default current (server-)time
 	 * @param int $modifier =null uid of the modifier, default current user
 	 */

Indentation +1 added lines, -1 removed lines

@@ -1528,7 +1528,7 @@
 			if (!$set_recurrences)
 			{
 				$set_recurrences = (isset($event['cal_start']) && (int)$old_min != (int) $event['cal_start']) ||
-				    $event['recur_type'] != $old_repeats['recur_type'] || $event['recur_data'] != $old_repeats['recur_data'] ||
+					$event['recur_type'] != $old_repeats['recur_type'] || $event['recur_data'] != $old_repeats['recur_data'] ||
 					(int)$event['recur_interval'] != (int)$old_repeats['recur_interval'] || $event['tz_id'] != $old_tz_id;
 			}
 

Spacing +387 added lines, -390 removed lines

@@ -19,40 +19,40 @@ 
 /**
  * some necessary defines used by the calendar
  */
-if(!extension_loaded('mcal'))
+if (!extension_loaded('mcal'))
 {
-	define('MCAL_RECUR_NONE',0);
-	define('MCAL_RECUR_DAILY',1);
-	define('MCAL_RECUR_WEEKLY',2);
-	define('MCAL_RECUR_MONTHLY_MDAY',3);
-	define('MCAL_RECUR_MONTHLY_WDAY',4);
-	define('MCAL_RECUR_YEARLY',5);
-	define('MCAL_RECUR_SECONDLY',6);
-	define('MCAL_RECUR_MINUTELY',7);
-	define('MCAL_RECUR_HOURLY',8);
-
-	define('MCAL_M_SUNDAY',1);
-	define('MCAL_M_MONDAY',2);
-	define('MCAL_M_TUESDAY',4);
-	define('MCAL_M_WEDNESDAY',8);
-	define('MCAL_M_THURSDAY',16);
-	define('MCAL_M_FRIDAY',32);
-	define('MCAL_M_SATURDAY',64);
-
-	define('MCAL_M_WEEKDAYS',62);
-	define('MCAL_M_WEEKEND',65);
-	define('MCAL_M_ALLDAYS',127);
+	define('MCAL_RECUR_NONE', 0);
+	define('MCAL_RECUR_DAILY', 1);
+	define('MCAL_RECUR_WEEKLY', 2);
+	define('MCAL_RECUR_MONTHLY_MDAY', 3);
+	define('MCAL_RECUR_MONTHLY_WDAY', 4);
+	define('MCAL_RECUR_YEARLY', 5);
+	define('MCAL_RECUR_SECONDLY', 6);
+	define('MCAL_RECUR_MINUTELY', 7);
+	define('MCAL_RECUR_HOURLY', 8);
+
+	define('MCAL_M_SUNDAY', 1);
+	define('MCAL_M_MONDAY', 2);
+	define('MCAL_M_TUESDAY', 4);
+	define('MCAL_M_WEDNESDAY', 8);
+	define('MCAL_M_THURSDAY', 16);
+	define('MCAL_M_FRIDAY', 32);
+	define('MCAL_M_SATURDAY', 64);
+
+	define('MCAL_M_WEEKDAYS', 62);
+	define('MCAL_M_WEEKEND', 65);
+	define('MCAL_M_ALLDAYS', 127);
 }
 
-define('REJECTED',0);
-define('NO_RESPONSE',1);
-define('TENTATIVE',2);
-define('ACCEPTED',3);
-define('DELEGATED',4);
+define('REJECTED', 0);
+define('NO_RESPONSE', 1);
+define('TENTATIVE', 2);
+define('ACCEPTED', 3);
+define('DELEGATED', 4);
 
-define('HOUR_s',60*60);
-define('DAY_s',24*HOUR_s);
-define('WEEK_s',7*DAY_s);
+define('HOUR_s', 60 * 60);
+define('DAY_s', 24 * HOUR_s);
+define('WEEK_s', 7 * DAY_s);
 
 /**
  * Class to store all calendar data (storage object)
@@ -100,7 +100,7 @@ 
 	 * name of the main calendar table and prefix for all other calendar tables
 	 */
 	var $cal_table = 'egw_cal';
-	var $extra_table,$repeats_table,$user_table,$dates_table,$all_tables;
+	var $extra_table, $repeats_table, $user_table, $dates_table, $all_tables;
 
 	/**
 	 * reference to global db-object
@@ -136,7 +136,7 @@ 
 		$this->db = $GLOBALS['egw']->db;
 
 		$this->all_tables = array($this->cal_table);
-		foreach(array('extra','repeats','user','dates') as $name)
+		foreach (array('extra', 'repeats', 'user', 'dates') as $name)
 		{
 			$vname = $name.'_table';
 			$this->all_tables[] = $this->$vname = $this->cal_table.'_'.$name;
@@ -152,11 +152,11 @@ 
 	 * @param boolean $deleted =false
 	 * @return string
 	 */
-	protected function cal_range_view($start, $end, array $_where=null, $deleted=false)
+	protected function cal_range_view($start, $end, array $_where = null, $deleted = false)
 	{
 		if ($GLOBALS['egw_info']['server']['no_timerange_views'] || !$start)	// using view without start-date is slower!
 		{
-			return $this->cal_table;	// no need / use for a view
+			return $this->cal_table; // no need / use for a view
 		}
 
 		$where = array();
@@ -182,11 +182,11 @@ 
 	 * @param boolean $deleted =false
 	 * @return string
 	 */
-	protected function dates_range_view($start, $end, array $_where=null, $deleted=false)
+	protected function dates_range_view($start, $end, array $_where = null, $deleted = false)
 	{
 		if ($GLOBALS['egw_info']['server']['no_timerange_views'] || !$start || !$end)	// using view without start- AND end-date is slower!
 		{
-			return $this->dates_table;	// no need / use for a view
+			return $this->dates_table; // no need / use for a view
 		}
 
 		$where = array();
@@ -231,14 +231,14 @@ 
 	 * @param int $remove_rejected_by_user =null add join to remove entry, if given user has rejected it
 	 * @return array of events
 	 */
-	function &events($start,$end,$users,$cat_id=0,$filter='all',$offset=False,$num_rows=0,array $params=array(),$remove_rejected_by_user=null)
+	function &events($start, $end, $users, $cat_id = 0, $filter = 'all', $offset = False, $num_rows = 0, array $params = array(), $remove_rejected_by_user = null)
 	{
-		error_log(__METHOD__.'('.($start ? date('Y-m-d H:i',$start) : '').','.($end ? date('Y-m-d H:i',$end) : '').','.array2string($users).','.array2string($cat_id).",'$filter',".array2string($offset).",$num_rows,".array2string($params).') '.function_backtrace());
+		error_log(__METHOD__.'('.($start ? date('Y-m-d H:i', $start) : '').','.($end ? date('Y-m-d H:i', $end) : '').','.array2string($users).','.array2string($cat_id).",'$filter',".array2string($offset).",$num_rows,".array2string($params).') '.function_backtrace());
 		$start_time = microtime(true);
 		// not everything is supported by now
 		if (!$start || !$end || is_string($params['query']) ||
 			//in_array($filter,array('owner','deleted')) ||
-			$params['enum_recuring']===false)
+			$params['enum_recuring'] === false)
 		{
 			throw new Api\Exception\AssertionFailed("Unsupported value for parameters!");
 		}
@@ -265,7 +265,7 @@ 
 		{
 			// fix $users to also prefix system users and groups (with 'u')
 			if (!is_array($users)) $users = $users ? (array)$users : array();
-			foreach($users as &$uid)
+			foreach ($users as &$uid)
 			{
 				$user_type = $user_id = null;
 				self::split_user($uid, $user_type, $user_id, true);
@@ -286,7 +286,7 @@ 
 
 		if ($params['order'])	// only order if requested
 		{
-			if (!preg_match('/^[a-z_ ,c]+$/i',$params['order'])) $params['order'] = 'cal_start';		// gard against SQL injection
+			if (!preg_match('/^[a-z_ ,c]+$/i', $params['order'])) $params['order'] = 'cal_start'; // gard against SQL injection
 			$sql .= "\nORDER BY ".$params['order'];
 		}
 
@@ -295,8 +295,8 @@ 
 			$offset = 0;
 			$num_rows = -1;
 		}
-		$events =& $this->get_events($this->db->query($sql, __LINE__, __FILE__, $offset, $num_rows));
-		error_log(__METHOD__."(...) $sql --> ".number_format(microtime(true)-$start_time, 3));
+		$events = & $this->get_events($this->db->query($sql, __LINE__, __FILE__, $offset, $num_rows));
+		error_log(__METHOD__."(...) $sql --> ".number_format(microtime(true) - $start_time, 3));
 		return $events;
 	}
 
@@ -309,12 +309,12 @@ 
 	 * @param int $recur_date =0 if set read the next recurrence at or after the timestamp, default 0 = read the initital one
 	 * @return array|boolean array with cal_id => event array pairs or false if entry not found
 	 */
-	function read($ids,$recur_date=0)
+	function read($ids, $recur_date = 0)
 	{
 		//error_log(__METHOD__.'('.array2string($ids).",$recur_date) ".function_backtrace());
 		$cols = self::get_columns('calendar', $this->cal_table);
 		$cols[0] = $this->db->to_varchar($this->cal_table.'.cal_id');
-		$cols = "$this->repeats_table.recur_type,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,".implode(',',$cols);
+		$cols = "$this->repeats_table.recur_type,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,".implode(',', $cols);
 		$join = "LEFT JOIN $this->repeats_table ON $this->cal_table.cal_id=$this->repeats_table.cal_id";
 
 		$where = array();
@@ -324,23 +324,23 @@ 
 			$where['cal_uid'] = $ids;
 			$where['cal_reference'] = 0;
 		}
-		elseif(is_array($ids) && isset($ids[count($ids)-1]) || is_scalar($ids))	// one or more cal_id's
+		elseif (is_array($ids) && isset($ids[count($ids) - 1]) || is_scalar($ids))	// one or more cal_id's
 		{
 			$where['cal_id'] = $ids;
 		}
 		else	// array with column => value pairs
 		{
 			$where = $ids;
-			unset($ids);	// otherwise users get not read!
+			unset($ids); // otherwise users get not read!
 		}
 		if (isset($where['cal_id']))	// prevent non-unique column-name cal_id
 		{
-			$where[] = $this->db->expression($this->cal_table, $this->cal_table.'.',array(
+			$where[] = $this->db->expression($this->cal_table, $this->cal_table.'.', array(
 				'cal_id' => $where['cal_id'],
 			));
 			unset($where['cal_id']);
 		}
-		if ((int) $recur_date)
+		if ((int)$recur_date)
 		{
 			$where[] = 'cal_start >= '.(int)$recur_date;
 			$group_by = 'GROUP BY '.$cols;
@@ -353,7 +353,7 @@ 
 		}
 		$cols .= ',range_end AS recur_enddate';
 
-		$events =& $this->get_events($this->db->select($this->cal_table, $cols, $where, __LINE__, __FILE__, false, $group_by, 'calendar', 0, $join), $recur_date);
+		$events = & $this->get_events($this->db->select($this->cal_table, $cols, $where, __LINE__, __FILE__, false, $group_by, 'calendar', 0, $join), $recur_date);
 
 		return $events ? $events : false;
 	}
@@ -365,7 +365,7 @@ 
 	 * @param int $recur_date =0
 	 * @return array
 	 */
-	protected function &get_events($rs, $recur_date=0)
+	protected function &get_events($rs, $recur_date = 0)
 	{
 		if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length']))
 		{
@@ -377,7 +377,7 @@ 
 		}
 
 		$events = array();
-		foreach($rs as $row)
+		foreach ($rs as $row)
 		{
 			if (!$row['recur_type'])
 			{
@@ -385,7 +385,7 @@ 
 				unset($row['recur_enddate']);
 			}
 			$row['recur_exception'] = $row['alarm'] = array();
-			$events[$row['cal_id']] = Api\Db::strip_array_keys($row,'cal_');
+			$events[$row['cal_id']] = Api\Db::strip_array_keys($row, 'cal_');
 		}
 		if (!$events) return $events;
 
@@ -397,26 +397,26 @@ 
 			if (!isset($event['uid']) || strlen($event['uid']) < $minimum_uid_length)
 			{
 				// event (without uid), not strong enough uid => create new uid
-				$event['uid'] = Api\CalDAV::generate_uid('calendar',$event['id']);
+				$event['uid'] = Api\CalDAV::generate_uid('calendar', $event['id']);
 				$this->db->update($this->cal_table, array('cal_uid' => $event['uid']),
-					array('cal_id' => $event['id']),__LINE__,__FILE__,'calendar');
+					array('cal_id' => $event['id']), __LINE__, __FILE__, 'calendar');
 			}
 			if (!(int)$recur_date && $event['recur_type'] != MCAL_RECUR_NONE)
 			{
-				foreach($this->db->select($this->dates_table, 'cal_id,cal_start', array(
+				foreach ($this->db->select($this->dates_table, 'cal_id,cal_start', array(
 					'cal_id' => $ids,
 					'recur_exception' => true,
 				), __LINE__, __FILE__, false, 'ORDER BY cal_id,cal_start', 'calendar') as $row)
 				{
 					$events[$row['cal_id']]['recur_exception'][] = $row['cal_start'];
 				}
-				break;	// as above select read all exceptions (and I dont think too short uid problem still exists)
+				break; // as above select read all exceptions (and I dont think too short uid problem still exists)
 			}
 			// make sure we fetch only real exceptions (deleted occurrences of a series should not show up)
-			if (($recur_date &&	$event['recur_type'] != MCAL_RECUR_NONE))
+			if (($recur_date && $event['recur_type'] != MCAL_RECUR_NONE))
 			{
 				//_debug_array(__METHOD__.__LINE__.' recur_date:'.$recur_date.' check cal_start:'.$event['start']);
-				foreach($this->db->select($this->dates_table, 'cal_id,cal_start', array(
+				foreach ($this->db->select($this->dates_table, 'cal_id,cal_start', array(
 					'cal_id' => $event['id'],
 					'cal_start' => $event['start'],
 					'recur_exception' => true,
@@ -432,7 +432,7 @@ 
 						'cal_deleted' => NULL
 					), __LINE__, __FILE__, false, '', 'calendar')->fetchColumn())
 					{
-						$e = $this->read($event['id'],$event['start']+1);
+						$e = $this->read($event['id'], $event['start'] + 1);
 						$event = $e[$event['id']];
 						break;
 					}
@@ -454,21 +454,21 @@ 
 			if ($recur_date)
 			{
 				// also remember recur_date, maybe we need it later, duno now
-				$recur_date = array(0,$events[$ids]['recur_date'] = $events[$ids]['start']);
+				$recur_date = array(0, $events[$ids]['recur_date'] = $events[$ids]['start']);
 			}
 		}
 
 		// participants, if a recur_date give, we read that recurance, plus the one users from the default entry with recur_date=0
 		// sorting by cal_recur_date ASC makes sure recurence status always overwrites series status
-		foreach($this->db->select($this->user_table,'*',array(
+		foreach ($this->db->select($this->user_table, '*', array(
 			'cal_id'      => $ids,
 			'cal_recur_date' => $recur_date,
 			"cal_status NOT IN ('X','E')",
-		),__LINE__,__FILE__,false,'ORDER BY cal_user_type DESC,cal_recur_date ASC,'.self::STATUS_SORT,'calendar') as $row)	// DESC puts users before resources and contacts
+		), __LINE__, __FILE__, false, 'ORDER BY cal_user_type DESC,cal_recur_date ASC,'.self::STATUS_SORT, 'calendar') as $row)	// DESC puts users before resources and contacts
 		{
 			// combine all participant data in uid and status values
 			$uid    = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
-			$status = self::combine_status($row['cal_status'],$row['cal_quantity'],$row['cal_role']);
+			$status = self::combine_status($row['cal_status'], $row['cal_quantity'], $row['cal_role']);
 
 			$events[$row['cal_id']]['participants'][$uid] = $status;
 			$events[$row['cal_id']]['participant_types'][$row['cal_user_type']][is_numeric($uid) ? $uid : substr($uid, 1)] = $status;
@@ -477,7 +477,7 @@ 
 		}
 
 		// custom fields
-		foreach($this->db->select($this->extra_table,'*',array('cal_id'=>$ids),__LINE__,__FILE__,false,'','calendar') as $row)
+		foreach ($this->db->select($this->extra_table, '*', array('cal_id'=>$ids), __LINE__, __FILE__, false, '', 'calendar') as $row)
 		{
 			$events[$row['cal_id']]['#'.$row['cal_extra_name']] = $row['cal_extra_value'];
 		}
@@ -485,7 +485,7 @@ 
 		// alarms
 		if (is_array($ids))
 		{
-			foreach($this->read_alarms((array)$ids) as $cal_id => $alarms)
+			foreach ($this->read_alarms((array)$ids) as $cal_id => $alarms)
 			{
 				$events[$cal_id]['alarm'] = $alarms;
 			}
@@ -514,11 +514,11 @@ 
 	 * @param boolean $master_only =false only check recurance master (egw_cal_user.recur_date=0)
 	 * @return int maximum modification timestamp
 	 */
-	function get_ctag($users, $owner_too=false,$master_only=false)
+	function get_ctag($users, $owner_too = false, $master_only = false)
 	{
-		static $ctags = array();	// some per-request caching
+		static $ctags = array(); // some per-request caching
 		static $last_request = null;
-		if (!isset($last_request) || time()-$last_request > self::MAX_CTAG_CACHE_TIME)
+		if (!isset($last_request) || time() - $last_request > self::MAX_CTAG_CACHE_TIME)
 		{
 			$ctags = array();
 			$last_request = time();
@@ -527,13 +527,13 @@ 
 		if (isset($ctags[$signature])) return $ctags[$signature];
 
 		$types = array();
-		foreach((array)$users as $uid)
+		foreach ((array)$users as $uid)
 		{
 			$type = $id = null;
 			self::split_user($uid, $type, $id, true);
 			$types[$type][] = $id;
 		}
-		foreach($types as $type => $ids)
+		foreach ($types as $type => $ids)
 		{
 			$where = array(
 				'cal_user_type' => $type,
@@ -555,17 +555,17 @@ 
 		if ($owner_too)
 		{
 			// owner can only by users, no groups or resources
-			foreach($users as $key => $user)
+			foreach ($users as $key => $user)
 			{
 				if (!($user > 0)) unset($users[$key]);
 			}
 			$where = $this->db->expression($this->user_table, '(', $where, ' OR ').
 				$this->db->expression($this->cal_table, array(
 					'cal_owner' => $users,
-				),')');
+				), ')');
 		}
-		return $ctags[$signature] = $this->db->select($this->user_table,'MAX(cal_modified)',
-			$where,__LINE__,__FILE__,false,'','calendar',0,'JOIN egw_cal ON egw_cal.cal_id=egw_cal_user.cal_id')->fetchColumn();
+		return $ctags[$signature] = $this->db->select($this->user_table, 'MAX(cal_modified)',
+			$where, __LINE__, __FILE__, false, '', 'calendar', 0, 'JOIN egw_cal ON egw_cal.cal_id=egw_cal_user.cal_id')->fetchColumn();
 	}
 
 	/**
@@ -577,7 +577,7 @@ 
 	 * @param string|array $cols ='cal_id,cal_reference,cal_etag,cal_modified,cal_user_modified' cols to query
 	 * @return Iterator as Api\Db::select
 	 */
-	function get_cal_data(array $query, $cols='cal_id,cal_reference,cal_etag,cal_modified,cal_user_modified')
+	function get_cal_data(array $query, $cols = 'cal_id,cal_reference,cal_etag,cal_modified,cal_user_modified')
 	{
 		if (!is_array($cols)) $cols = explode(',', $cols);
 
@@ -603,12 +603,12 @@ 
 		if ($cat_id)
 		{
 			$cats = $GLOBALS['egw']->categories->return_all_children($cat_id);
-			array_walk($cats,create_function('&$val,$key','$val = (int) $val;'));
-			if (is_array($cat_id) && count($cat_id)==1) $cat_id = $cat_id[0];
-			$sql = '(cal_category'.(count($cats) > 1 ? " IN ('".implode("','",$cats)."')" : '='.$this->db->quote((int)$cat_id));
-			foreach($cats as $cat)
+			array_walk($cats, create_function('&$val,$key', '$val = (int) $val;'));
+			if (is_array($cat_id) && count($cat_id) == 1) $cat_id = $cat_id[0];
+			$sql = '(cal_category'.(count($cats) > 1 ? " IN ('".implode("','", $cats)."')" : '='.$this->db->quote((int)$cat_id));
+			foreach ($cats as $cat)
 			{
-				$sql .= ' OR '.$this->db->concat("','",'cal_category',"','").' LIKE '.$this->db->quote('%,'.$cat.',%');
+				$sql .= ' OR '.$this->db->concat("','", 'cal_category', "','").' LIKE '.$this->db->quote('%,'.$cat.',%');
 			}
 			$sql .= ') ';
 		}
@@ -623,13 +623,13 @@ 
 	 * @param array $where =array() array to add filters too
 	 * @return array
 	 */
-	protected function status_filter($filter, $enum_recuring=true, array $where=array())
+	protected function status_filter($filter, $enum_recuring = true, array $where = array())
 	{
-		if($filter != 'deleted' && $filter != 'everything')
+		if ($filter != 'deleted' && $filter != 'everything')
 		{
 			$where[] = 'cal_deleted IS NULL';
 		}
-		switch($filter)
+		switch ($filter)
 		{
 			case 'everything':	// no filter at all
 				break;
@@ -703,7 +703,7 @@ 
 	 * @param int $remove_rejected_by_user =null add join to remove entry, if given user has rejected it
 	 * @return Iterator|array of events
 	 */
-	function &search($start,$end,$users,$cat_id=0,$filter='all',$offset=False,$num_rows=0,array $params=array(),$remove_rejected_by_user=null)
+	function &search($start, $end, $users, $cat_id = 0, $filter = 'all', $offset = False, $num_rows = 0, array $params = array(), $remove_rejected_by_user = null)
 	{
 		//error_log(__METHOD__.'('.($start ? date('Y-m-d H:i',$start) : '').','.($end ? date('Y-m-d H:i',$end) : '').','.array2string($users).','.array2string($cat_id).",'$filter',".array2string($offset).",$num_rows,".array2string($params).') '.function_backtrace());
 
@@ -726,7 +726,7 @@ 
 		{
 			$all_cols = self::get_columns('calendar', $this->cal_table);
 			$all_cols[0] = $this->db->to_varchar($this->cal_table.'.cal_id');
-			$cols = "$this->repeats_table.recur_type,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,range_end AS recur_enddate,".implode(',',$all_cols).",cal_start,cal_end,$this->user_table.cal_recur_date";
+			$cols = "$this->repeats_table.recur_type,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,range_end AS recur_enddate,".implode(',', $all_cols).",cal_start,cal_end,$this->user_table.cal_recur_date";
 		}
 		$where = array();
 		if (is_array($params['query']))
@@ -735,19 +735,19 @@ 
 		}
 		elseif ($params['query'])
 		{
-			foreach(array('cal_title','cal_description','cal_location') as $col)
+			foreach (array('cal_title', 'cal_description', 'cal_location') as $col)
 			{
 				$to_or[] = $col.' '.$this->db->capabilities[Api\Db::CAPABILITY_CASE_INSENSITIV_LIKE].' '.$this->db->quote('%'.$params['query'].'%');
 			}
-			$where[] = '('.implode(' OR ',$to_or).')';
+			$where[] = '('.implode(' OR ', $to_or).')';
 
 			// Searching - restrict private to own or private grant
 			if (!isset($params['private_grants']))
 			{
 				$params['private_grants'] = $GLOBALS['egw']->acl->get_ids_for_location($GLOBALS['egw_info']['user']['account_id'], Acl::PRIVAT, 'calendar');
-				$params['private_grants'][] = $GLOBALS['egw_info']['user']['account_id'];	// db query does NOT return current user
+				$params['private_grants'][] = $GLOBALS['egw_info']['user']['account_id']; // db query does NOT return current user
 			}
-			$private_filter = '(cal_public=1 OR cal_public=0 AND '.$this->db->expression($this->cal_table, array('cal_owner' => $params['private_grants'])) . ')';
+			$private_filter = '(cal_public=1 OR cal_public=0 AND '.$this->db->expression($this->cal_table, array('cal_owner' => $params['private_grants'])).')';
 			$where[] = $private_filter;
 		}
 		if (!empty($params['sql_filter']))
@@ -756,7 +756,7 @@ 
 			{
 				$where[] = $params['sql_filter'];
 			}
-			elseif(is_array($params['sql_filter']))
+			elseif (is_array($params['sql_filter']))
 			{
 				$where = array_merge($where, $params['sql_filter']);
 			}
@@ -764,11 +764,11 @@ 
 		if ($users)
 		{
 			$users_by_type = array();
-			foreach((array)$users as $user)
+			foreach ((array)$users as $user)
 			{
 				if (is_numeric($user))
 				{
-					$users_by_type['u'][] = (int) $user;
+					$users_by_type['u'][] = (int)$user;
 				}
 				else
 				{
@@ -780,45 +780,45 @@ 
 			$to_or = $user_or = array();
 			$owner_or = null;
 			$useUnionQuery = $this->db->capabilities['distinct_on_text'] && $this->db->capabilities['union'];
-			$table_def = $this->db->get_table_definitions('calendar',$this->user_table);
-			foreach($users_by_type as $type => $ids)
+			$table_def = $this->db->get_table_definitions('calendar', $this->user_table);
+			foreach ($users_by_type as $type => $ids)
 			{
 				// when we are able to use Union Querys, we do not OR our query, we save the needed parts for later construction of the union
 				if ($useUnionQuery)
 				{
-					$user_or[] = $this->db->expression($table_def,$this->user_table.'.',array(
+					$user_or[] = $this->db->expression($table_def, $this->user_table.'.', array(
 						'cal_user_type' => $type,
-					),' AND '.$this->user_table.'.',array(
+					), ' AND '.$this->user_table.'.', array(
 						'cal_user_id'   => $ids,
 					));
 					if ($type == 'u' && $filter == 'owner')
 					{
-						$cal_table_def = $this->db->get_table_definitions('calendar',$this->cal_table);
+						$cal_table_def = $this->db->get_table_definitions('calendar', $this->cal_table);
 						// only users can be owners, no need to add groups
 						$user_ids = array();
-						foreach($ids as $user_id)
+						foreach ($ids as $user_id)
 						{
 							if ($GLOBALS['egw']->accounts->get_type($user_id) === 'u') $user_ids[] = $user_id;
 						}
-						$owner_or = $this->db->expression($cal_table_def,array('cal_owner' => $user_ids));
+						$owner_or = $this->db->expression($cal_table_def, array('cal_owner' => $user_ids));
 					}
 				}
 				else
 				{
-					$to_or[] = $this->db->expression($table_def,$this->user_table.'.',array(
+					$to_or[] = $this->db->expression($table_def, $this->user_table.'.', array(
 						'cal_user_type' => $type,
-					),' AND '.$this->user_table.'.',array(
+					), ' AND '.$this->user_table.'.', array(
 						'cal_user_id'   => $ids,
 					));
 					if ($type == 'u' && $filter == 'owner')
 					{
-						$cal_table_def = $this->db->get_table_definitions('calendar',$this->cal_table);
-						$to_or[] = $this->db->expression($cal_table_def,array('cal_owner' => $ids));
+						$cal_table_def = $this->db->get_table_definitions('calendar', $this->cal_table);
+						$to_or[] = $this->db->expression($cal_table_def, array('cal_owner' => $ids));
 					}
 				}
 			}
 			// this is only used, when we cannot use UNIONS
-			if (!$useUnionQuery) $where[] = '('.implode(' OR ',$to_or).')';
+			if (!$useUnionQuery) $where[] = '('.implode(' OR ', $to_or).')';
 
 			$where = $this->status_filter($filter, $params['enum_recuring'], $where);
 		}
@@ -837,15 +837,15 @@ 
 				$where[] = '('.((int)$start).' < range_end OR range_end IS NULL)';
 			}
 		}
-		if (!preg_match('/^[a-z_ ,c]+$/i',$params['order'])) $params['order'] = 'cal_start';		// gard against SQL injection
+		if (!preg_match('/^[a-z_ ,c]+$/i', $params['order'])) $params['order'] = 'cal_start'; // gard against SQL injection
 
 		// if not enum recuring events, we have to use minimum start- AND end-dates, otherwise we get more then one event per cal_id!
 		if (!$params['enum_recuring'])
 		{
 			$where[] = "$this->user_table.cal_recur_date=0";
-			$cols = str_replace(array('cal_start','cal_end'),array('range_start AS cal_start','(SELECT MIN(cal_end) FROM egw_cal_dates WHERE egw_cal.cal_id=egw_cal_dates.cal_id) AS cal_end'),$cols);
+			$cols = str_replace(array('cal_start', 'cal_end'), array('range_start AS cal_start', '(SELECT MIN(cal_end) FROM egw_cal_dates WHERE egw_cal.cal_id=egw_cal_dates.cal_id) AS cal_end'), $cols);
 			// in case cal_start is used in a query, eg. calendar_ical::find_event
-			$where = str_replace(array('cal_start','cal_end'), array('range_start','(SELECT MIN(cal_end) FROM egw_cal_dates WHERE egw_cal.cal_id=egw_cal_dates.cal_id)'), $where);
+			$where = str_replace(array('cal_start', 'cal_end'), array('range_start', '(SELECT MIN(cal_end) FROM egw_cal_dates WHERE egw_cal.cal_id=egw_cal_dates.cal_id)'), $where);
 			$params['order'] = str_replace('cal_start', 'range_start', $params['order']);
 			if ($end) $where[] = (int)$end.' > range_start';
   		}
@@ -857,14 +857,13 @@ 
 				" ON $this->cal_table.cal_id=rejected_by_user.cal_id".
 				" AND rejected_by_user.cal_user_type='u'".
 				" AND rejected_by_user.cal_user_id=".$this->db->quote($remove_rejected_by_user).
-				" AND ".(!$params['enum_recuring'] ? 'rejected_by_user.cal_recur_date=0' :
-					'(recur_type IS NULL AND rejected_by_user.cal_recur_date=0 OR cal_start=rejected_by_user.cal_recur_date)');
+				" AND ".(!$params['enum_recuring'] ? 'rejected_by_user.cal_recur_date=0' : '(recur_type IS NULL AND rejected_by_user.cal_recur_date=0 OR cal_start=rejected_by_user.cal_recur_date)');
 			$or_required = array(
 				'rejected_by_user.cal_status IS NULL',
 				"rejected_by_user.cal_status NOT IN ('R','X')",
 			);
 			if ($filter == 'owner') $or_required[] = 'cal_owner='.(int)$remove_rejected_by_user;
-			$where[] = '('.implode(' OR ',$or_required).')';
+			$where[] = '('.implode(' OR ', $or_required).')';
 		}
 		// using a time-range and deleted attribute limited view instead of full table
 		$cal_table = $this->cal_range_view($start, $end, null, $filter == 'everything' ? null : $filter != 'deleted');
@@ -876,7 +875,7 @@ 
 		// dates table join only needed to enum recuring events, we use a time-range limited view here too
 		if ($params['enum_recuring'])
 		{
-			$join = "JOIN ".$this->dates_table.	// using dates_table direct seems quicker then an other view
+			$join = "JOIN ".$this->dates_table.// using dates_table direct seems quicker then an other view
 				//$this->dates_range_view($start, $end, null, $filter == 'everything' ? null : $filter == 'deleted').
 				" ON $this->cal_table.cal_id=$this->dates_table.cal_id ".$join;
 		}
@@ -903,29 +902,29 @@ 
 			// as replace the OR by construction of a suitable UNION for performance reasons
 			if ($owner_or || $user_or)
 			{
-				foreach($user_or as $user_sql)
+				foreach ($user_or as $user_sql)
 				{
 					$selects[] = $select;
-					$selects[count($selects)-1]['where'][] = $user_sql;
+					$selects[count($selects) - 1]['where'][] = $user_sql;
 					if ($params['enum_recuring'])
 					{
-						$selects[count($selects)-1]['where'][] = "recur_type IS NULL AND $this->user_table.cal_recur_date=0";
+						$selects[count($selects) - 1]['where'][] = "recur_type IS NULL AND $this->user_table.cal_recur_date=0";
 						$selects[] = $select;
-						$selects[count($selects)-1]['where'][] = $user_sql;
-						$selects[count($selects)-1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
+						$selects[count($selects) - 1]['where'][] = $user_sql;
+						$selects[count($selects) - 1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
 					}
 				}
 				// if the query is to be filtered by owner we need to add more selects for the union
 				if ($owner_or)
 				{
 					$selects[] = $select;
-					$selects[count($selects)-1]['where'][] = $owner_or;
+					$selects[count($selects) - 1]['where'][] = $owner_or;
 					if ($params['enum_recuring'])
 					{
-						$selects[count($selects)-1]['where'][] = "recur_type IS NULL AND $this->user_table.cal_recur_date=0";
+						$selects[count($selects) - 1]['where'][] = "recur_type IS NULL AND $this->user_table.cal_recur_date=0";
 						$selects[] = $select;
-						$selects[count($selects)-1]['where'][] = $owner_or;
-						$selects[count($selects)-1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
+						$selects[count($selects) - 1]['where'][] = $owner_or;
+						$selects[count($selects) - 1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
 					}
 				}
 			}
@@ -935,34 +934,34 @@ 
 				$selects[] = $select;
 				if ($params['enum_recuring'])
 				{
-					$selects[count($selects)-1]['where'][] = "recur_type IS NULL AND $this->user_table.cal_recur_date=0";
+					$selects[count($selects) - 1]['where'][] = "recur_type IS NULL AND $this->user_table.cal_recur_date=0";
 					$selects[] = $select;
-					$selects[count($selects)-1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
+					$selects[count($selects) - 1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
 				}
 			}
 			if (is_numeric($offset) && !$params['no_total'])	// get the total too
 			{
 				$save_selects = $selects;
 				// we only select cal_table.cal_id (and not cal_table.*) to be able to use DISTINCT (eg. MsSQL does not allow it for text-columns)
-				foreach(array_keys($selects) as $key)
+				foreach (array_keys($selects) as $key)
 				{
 					$selects[$key]['cols'] = "DISTINCT $this->repeats_table.recur_type,range_end AS recur_enddate,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,".$this->db->to_varchar($this->cal_table.'.cal_id').",cal_start,cal_end,$this->user_table.cal_recur_date";
 					if (!$params['enum_recuring'])
 					{
-						$selects[$key]['cols'] = str_replace(array('cal_start','cal_end'),
-							array('range_start AS cal_start','range_end AS cal_end'), $selects[$key]['cols']);
+						$selects[$key]['cols'] = str_replace(array('cal_start', 'cal_end'),
+							array('range_start AS cal_start', 'range_end AS cal_end'), $selects[$key]['cols']);
 					}
 				}
-				if (!isset($params['cols']) && !$params['no_integration']) self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+				if (!isset($params['cols']) && !$params['no_integration']) self::get_union_selects($selects, $start, $end, $users, $cat_id, $filter, $params['query'], $params['users']);
 
-				$this->total = $this->db->union($selects,__LINE__,__FILE__)->NumRows();
+				$this->total = $this->db->union($selects, __LINE__, __FILE__)->NumRows();
 
 				// restore original cols / selects
 				$selects = $save_selects; unset($save_selects);
 			}
-			if (!isset($params['cols']) && !$params['no_integration']) self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+			if (!isset($params['cols']) && !$params['no_integration']) self::get_union_selects($selects, $start, $end, $users, $cat_id, $filter, $params['query'], $params['users']);
 
-			$rs = $this->db->union($selects,__LINE__,__FILE__,$params['order'],$offset,$num_rows);
+			$rs = $this->db->union($selects, __LINE__, __FILE__, $params['order'], $offset, $num_rows);
 		}
 		else	// MsSQL oder MySQL 3.23
 		{
@@ -985,27 +984,27 @@ 
 				$selects[0]['cols'] = "$this->cal_table.cal_id,cal_start";
 				if (!isset($params['cols']) && !$params['no_integration'] && $this->db->capabilities['union'])
 				{
-					self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+					self::get_union_selects($selects, $start, $end, $users, $cat_id, $filter, $params['query'], $params['users']);
 				}
 				$this->total = $this->db->union($selects, __LINE__, __FILE__)->NumRows();
 				$selects = $save_selects;
 			}
 			if (!isset($params['cols']) && !$params['no_integration'] && $this->db->capabilities['union'])
 			{
-				self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+				self::get_union_selects($selects, $start, $end, $users, $cat_id, $filter, $params['query'], $params['users']);
 			}
-			$rs = $this->db->union($selects,__LINE__,__FILE__,$params['order'],$offset,$num_rows);
+			$rs = $this->db->union($selects, __LINE__, __FILE__, $params['order'], $offset, $num_rows);
 		}
 		//error_log(__METHOD__."() useUnionQuery=$useUnionQuery --> query took ".(microtime(true)-$starttime).'s '.$rs->sql);
 
 		if (isset($params['cols']))
 		{
-			return $rs;	// if colums are specified we return the recordset / iterator
+			return $rs; // if colums are specified we return the recordset / iterator
 		}
 		// Todo: return $this->get_events($rs);
 
 		$events = $ids = $recur_dates = $recur_ids = array();
-		foreach($rs as $row)
+		foreach ($rs as $row)
 		{
 			$id = $row['cal_id'];
 			if (is_numeric($id)) $ids[] = $id;
@@ -1017,9 +1016,9 @@ 
 			}
 			if ($row['participants'])
 			{
-				$row['participants'] = explode(',',$row['participants']);
+				$row['participants'] = explode(',', $row['participants']);
 				$row['participants'] = array_combine($row['participants'],
-					array_fill(0,count($row['participants']),''));
+					array_fill(0, count($row['participants']), ''));
 			}
 			else
 			{
@@ -1028,9 +1027,9 @@ 
 			$row['recur_exception'] = $row['alarm'] = array();
 
 			// compile a list of recurrences per cal_id
-			if (!in_array($id,(array)$recur_ids[$row['cal_id']])) $recur_ids[$row['cal_id']][] = $id;
+			if (!in_array($id, (array)$recur_ids[$row['cal_id']])) $recur_ids[$row['cal_id']][] = $id;
 
-			$events[$id] = Api\Db::strip_array_keys($row,'cal_');
+			$events[$id] = Api\Db::strip_array_keys($row, 'cal_');
 		}
 		//_debug_array($events);
 		if (count($ids))
@@ -1040,26 +1039,26 @@ 
 			// now ready all users with the given cal_id AND (cal_recur_date=0 or the fitting recur-date)
 			// This will always read the first entry of each recuring event too, we eliminate it later
 			$recur_dates[] = 0;
-			$utcal_id_view = " (SELECT * FROM ".$this->user_table." WHERE cal_id IN (".implode(',',$ids).")".
+			$utcal_id_view = " (SELECT * FROM ".$this->user_table." WHERE cal_id IN (".implode(',', $ids).")".
 				($filter != 'everything' ? " AND cal_status NOT IN ('X','E')" : '').") utcalid ";
 			//$utrecurdate_view = " (select * from ".$this->user_table." where cal_recur_date in (".implode(',',array_unique($recur_dates)).")) utrecurdates ";
-			foreach($this->db->select($utcal_id_view,'*',array(
+			foreach ($this->db->select($utcal_id_view, '*', array(
 					//'cal_id' => array_unique($ids),
 					'cal_recur_date' => $recur_dates,
-				),__LINE__,__FILE__,false,'ORDER BY cal_id,cal_user_type DESC,'.self::STATUS_SORT,'calendar',$num_rows,$join='',
-				$this->db->get_table_definitions('calendar',$this->user_table)) as $row)	// DESC puts users before resources and contacts
+				), __LINE__, __FILE__, false, 'ORDER BY cal_id,cal_user_type DESC,'.self::STATUS_SORT, 'calendar', $num_rows, $join = '',
+				$this->db->get_table_definitions('calendar', $this->user_table)) as $row)	// DESC puts users before resources and contacts
 			{
 				$id = $row['cal_id'];
 				if ($row['cal_recur_date']) $id .= '-'.$row['cal_recur_date'];
 
 				// combine all participant data in uid and status values
 				$uid = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
-				$status = self::combine_status($row['cal_status'],$row['cal_quantity'],$row['cal_role']);
+				$status = self::combine_status($row['cal_status'], $row['cal_quantity'], $row['cal_role']);
 
 				// set accept/reject/tentative of series for all recurrences
 				if (!$row['cal_recur_date'])
 				{
-					foreach((array)$recur_ids[$row['cal_id']] as $i)
+					foreach ((array)$recur_ids[$row['cal_id']] as $i)
 					{
 						if (isset($events[$i]) && !isset($events[$i]['participants'][$uid]))
 						{
@@ -1074,16 +1073,16 @@ 
 			// query recurrance exceptions, if needed: enum_recuring && !daywise is used in calendar_groupdav::get_series($uid,...)
 			if (!$params['enum_recuring'] || !$params['daywise'])
 			{
-				foreach($this->db->select($this->dates_table, 'cal_id,cal_start', array(
+				foreach ($this->db->select($this->dates_table, 'cal_id,cal_start', array(
 					'cal_id' => $ids,
 					'recur_exception' => true,
 				), __LINE__, __FILE__, false, 'ORDER BY cal_id,cal_start', 'calendar') as $row)
 				{
 					// for enum_recurring events are not indexed by cal_id, but $cal_id.'-'.$cal_start
 					// find master, which is first recurrence
-					if (!isset($events[$id=$row['cal_id']]))
+					if (!isset($events[$id = $row['cal_id']]))
 					{
-						foreach($events as $id => $event)
+						foreach ($events as $id => $event)
 						{
 							if ($event['id'] == $row['cal_id']) break;
 						}
@@ -1096,10 +1095,10 @@ 
 			{
 				$where = array('cal_id' => $ids);
 				if ($params['cfs']) $where['cal_extra_name'] = $params['cfs'];
-				foreach($this->db->select($this->extra_table,'*',$where,
-					__LINE__,__FILE__,false,'','calendar') as $row)
+				foreach ($this->db->select($this->extra_table, '*', $where,
+					__LINE__, __FILE__, false, '', 'calendar') as $row)
 				{
-					foreach((array)$recur_ids[$row['cal_id']] as $id)
+					foreach ((array)$recur_ids[$row['cal_id']] as $id)
 					{
 						if (isset($events[$id]))
 						{
@@ -1109,9 +1108,9 @@ 
 				}
 			}
 			// alarms
-			foreach($this->read_alarms($ids) as $cal_id => $alarms)
+			foreach ($this->read_alarms($ids) as $cal_id => $alarms)
 			{
-				foreach($alarms as $id => $alarm)
+				foreach ($alarms as $id => $alarm)
 				{
 					$event_start = $alarm['time'] + $alarm['offset'];
 
@@ -1148,16 +1147,16 @@ 
 	 * @param $query
 	 * @param $users_raw as passed to calendar_bo::search (no members and memberships added)
 	 */
-	private static function get_union_selects(array &$selects,$start,$end,$users,$cat_id,$filter,$query,$users_raw)
+	private static function get_union_selects(array &$selects, $start, $end, $users, $cat_id, $filter, $query, $users_raw)
 	{
-		if (in_array(basename($_SERVER['SCRIPT_FILENAME']),array('groupdav.php','rpc.php','xmlrpc.php','/activesync/index.php')) ||
-			!in_array($GLOBALS['egw_info']['flags']['currentapp'],array('calendar','home')))
+		if (in_array(basename($_SERVER['SCRIPT_FILENAME']), array('groupdav.php', 'rpc.php', 'xmlrpc.php', '/activesync/index.php')) ||
+			!in_array($GLOBALS['egw_info']['flags']['currentapp'], array('calendar', 'home')))
 		{
-			return;    // disable integration for GroupDAV, SyncML, ...
+			return; // disable integration for GroupDAV, SyncML, ...
 		}
 		self::$integration_data = Api\Hooks::process(array(
 			'location' => 'calendar_search_union',
-			'cols'  => $selects[0]['cols'],    // cols to return
+			'cols'  => $selects[0]['cols'], // cols to return
 			'start' => $start,
 			'end'   => $end,
 			'users' => $users,
@@ -1166,12 +1165,12 @@ 
 			'filter'=> $filter,
 			'query' => $query,
 		));
-		foreach(self::$integration_data as $data)
+		foreach (self::$integration_data as $data)
 		{
 			if (is_array($data['selects']))
 			{
 				//echo $app; _debug_array($data);
-				$selects = array_merge($selects,$data['selects']);
+				$selects = array_merge($selects, $data['selects']);
 			}
 		}
 	}
@@ -1196,35 +1195,35 @@ 
 	 * @param string $required_app ='calendar'
 	 * @return string cols for union query to match ones supplied in $required
 	 */
-	public static function union_cols(array $app_cols,$required,$required_app='calendar')
+	public static function union_cols(array $app_cols, $required, $required_app = 'calendar')
 	{
 		// remove evtl. used DISTINCT, we currently dont need it
-		if (($distinct = substr($required,0,9) == 'DISTINCT '))
+		if (($distinct = substr($required, 0, 9) == 'DISTINCT '))
 		{
-			$required = substr($required,9);
+			$required = substr($required, 9);
 		}
 		$return_cols = array();
-		foreach(is_array($required) ? $required : explode(',',$required) as $cols)
+		foreach (is_array($required) ? $required : explode(',', $required) as $cols)
 		{
 			$matches = null;
-			if (substr($cols,-2) == '.*')
+			if (substr($cols, -2) == '.*')
 			{
-				$cols = self::get_columns($required_app,substr($cols,0,-2));
+				$cols = self::get_columns($required_app, substr($cols, 0, -2));
 			}
 			// remove CAST added for PostgreSQL from eg. "CAST(egw_cal.cal_id AS varchar)"
 			elseif (preg_match('/CAST\(([a-z0-9_.]+) AS [a-z0-9_]+\)/i', $cols, $matches))
 			{
 				$cols = $matches[1];
 			}
-			elseif (strpos($cols,' AS ') !== false)
+			elseif (strpos($cols, ' AS ') !== false)
 			{
-				list(,$cols) = explode(' AS ',$cols);
+				list(,$cols) = explode(' AS ', $cols);
 			}
-			foreach((array)$cols as $col)
+			foreach ((array)$cols as $col)
 			{
-				if (substr($col,0,7) == 'egw_cal')	// remove table name
+				if (substr($col, 0, 7) == 'egw_cal')	// remove table name
 				{
-					$col = preg_replace('/^egw_cal[a-z_]*\./','',$col);
+					$col = preg_replace('/^egw_cal[a-z_]*\./', '', $col);
 				}
 				if (isset($app_cols[$col]))
 				{
@@ -1237,7 +1236,7 @@ 
 			}
 		}
 		//error_log(__METHOD__."(".array2string($app_cols).", ".array2string($required).", '$required_app') returning ".array2string(implode(',',$return_cols)));
-		return implode(',',$return_cols);
+		return implode(',', $return_cols);
 	}
 
 	/**
@@ -1247,21 +1246,21 @@ 
 	 * @param string $table
 	 * @return array of column names
 	 */
-	static private function get_columns($app,$table)
+	static private function get_columns($app, $table)
 	{
 		if ($table != 'egw_cal')
 		{
-			$table_def = $GLOBALS['egw']->db->get_table_definitions($app,$table);
+			$table_def = $GLOBALS['egw']->db->get_table_definitions($app, $table);
 			$cols = array_keys($table_def['fd']);
 		}
 		else
 		{
 			// special handling for egw_cal, as old databases have a different column order!!!
-			$cols =& Api\Cache::getSession(__CLASS__,$table);
+			$cols = & Api\Cache::getSession(__CLASS__, $table);
 
 			if (is_null($cols))
 			{
-				$meta = $GLOBALS['egw']->db->metadata($table,true);
+				$meta = $GLOBALS['egw']->db->metadata($table, true);
 				$cols = array_keys($meta['meta']);
 			}
 		}
@@ -1314,12 +1313,12 @@ 
 	 * @param int &$etag etag=null etag to check or null, on return new etag
 	 * @return boolean|int false on error, 0 if etag does not match, cal_id otherwise
 	 */
-	function save($event,&$set_recurrences,&$set_recurrences_start=0,$change_since=0,&$etag=null)
+	function save($event, &$set_recurrences, &$set_recurrences_start = 0, $change_since = 0, &$etag = null)
 	{
 		if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length']))
 		{
 			$minimum_uid_length = $GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length'];
-			if (empty($minimum_uid_length) || $minimum_uid_length<=1) $minimum_uid_length = 8; // we just do not accept no uid, or uid way to short!
+			if (empty($minimum_uid_length) || $minimum_uid_length <= 1) $minimum_uid_length = 8; // we just do not accept no uid, or uid way to short!
 		}
 		else
 		{
@@ -1330,7 +1329,7 @@ 
 
 		//error_log(__METHOD__.'('.array2string($event).",$set_recurrences,$change_since,$etag) ".function_backtrace());
 
-		$cal_id = (int) $event['id'];
+		$cal_id = (int)$event['id'];
 		unset($event['id']);
 		$set_recurrences = $set_recurrences || !$cal_id && $event['recur_type'] != MCAL_RECUR_NONE;
 
@@ -1358,9 +1357,9 @@ 
 		}
 
 		// add colum prefix 'cal_' if there's not already a 'recur_' prefix
-		foreach($event as $col => $val)
+		foreach ($event as $col => $val)
 		{
-			if ($col[0] != '#' && substr($col,0,6) != 'recur_' && substr($col,0,6) != 'range_' && $col != 'alarm' && $col != 'tz_id' && $col != 'caldav_name')
+			if ($col[0] != '#' && substr($col, 0, 6) != 'recur_' && substr($col, 0, 6) != 'range_' && $col != 'alarm' && $col != 'tz_id' && $col != 'caldav_name')
 			{
 				$event['cal_'.$col] = $val;
 				unset($event[$col]);
@@ -1370,13 +1369,12 @@ 
 		if (isset($event['cal_start'])) $event['range_start'] = $event['cal_start'];
 		if (isset($event['cal_end']))
 		{
-			$event['range_end'] = $event['recur_type'] == MCAL_RECUR_NONE ? $event['cal_end'] :
-				($event['recur_enddate'] ? $event['recur_enddate'] : null);
+			$event['range_end'] = $event['recur_type'] == MCAL_RECUR_NONE ? $event['cal_end'] : ($event['recur_enddate'] ? $event['recur_enddate'] : null);
 		}
 		// ensure that we find mathing entries later on
 		if (!is_array($event['cal_category']))
 		{
-			$categories = array_unique(explode(',',$event['cal_category']));
+			$categories = array_unique(explode(',', $event['cal_category']));
 			sort($categories);
 		}
 		else
@@ -1385,7 +1383,7 @@ 
 		}
 		sort($categories, SORT_NUMERIC);
 
-		$event['cal_category'] = implode(',',$categories);
+		$event['cal_category'] = implode(',', $categories);
 
 		// make sure recurring events never reference to an other recurrent event
 		if ($event['recur_type'] != MCAL_RECUR_NONE) $event['cal_reference'] = 0;
@@ -1403,18 +1401,18 @@ 
 			// read only timezone id, to check if it is changed
 			if ($event['recur_type'] != MCAL_RECUR_NONE)
 			{
-				$old_tz_id = $this->db->select($this->cal_table,'tz_id',$where,__LINE__,__FILE__,'calendar')->fetchColumn();
+				$old_tz_id = $this->db->select($this->cal_table, 'tz_id', $where, __LINE__, __FILE__, 'calendar')->fetchColumn();
 			}
 			if (!is_null($etag)) $where['cal_etag'] = $etag;
 
 			unset($event['cal_etag']);
-			$event[] = 'cal_etag=cal_etag+1';	// always update the etag, even if none given to check
+			$event[] = 'cal_etag=cal_etag+1'; // always update the etag, even if none given to check
 
-			$this->db->update($this->cal_table,$event,$where,__LINE__,__FILE__,'calendar');
+			$this->db->update($this->cal_table, $event, $where, __LINE__, __FILE__, 'calendar');
 
 			if (!is_null($etag) && $this->db->affected_rows() < 1)
 			{
-				return 0;	// wrong etag, someone else updated the entry
+				return 0; // wrong etag, someone else updated the entry
 			}
 			if (!is_null($etag)) ++$etag;
 		}
@@ -1423,10 +1421,10 @@ 
 			// new event
 			if (!$event['cal_owner']) $event['cal_owner'] = $GLOBALS['egw_info']['user']['account_id'];
 
-			if (!$event['cal_id'] && !isset($event['cal_uid'])) $event['cal_uid'] = '';	// uid is NOT NULL!
+			if (!$event['cal_id'] && !isset($event['cal_uid'])) $event['cal_uid'] = ''; // uid is NOT NULL!
 
-			$this->db->insert($this->cal_table,$event,false,__LINE__,__FILE__,'calendar');
-			if (!($cal_id = $this->db->get_last_insert_id($this->cal_table,'cal_id')))
+			$this->db->insert($this->cal_table, $event, false, __LINE__, __FILE__, 'calendar');
+			if (!($cal_id = $this->db->get_last_insert_id($this->cal_table, 'cal_id')))
 			{
 				return false;
 			}
@@ -1436,7 +1434,7 @@ 
 		// event without uid or not strong enough uid
 		if (!isset($event['cal_uid']) || strlen($event['cal_uid']) < $minimum_uid_length)
 		{
-			$update['cal_uid'] = $event['cal_uid'] = Api\CalDAV::generate_uid('calendar',$cal_id);
+			$update['cal_uid'] = $event['cal_uid'] = Api\CalDAV::generate_uid('calendar', $cal_id);
 		}
 		// set caldav_name, if not given by caller
 		if (empty($event['caldav_name']) && version_compare($GLOBALS['egw_info']['apps']['calendar']['version'], '1.9.003', '>='))
@@ -1445,37 +1443,37 @@ 
 		}
 		if ($update)
 		{
-			$this->db->update($this->cal_table, $update, array('cal_id' => $cal_id),__LINE__,__FILE__,'calendar');
+			$this->db->update($this->cal_table, $update, array('cal_id' => $cal_id), __LINE__, __FILE__, 'calendar');
 		}
 
 		if ($event['recur_type'] == MCAL_RECUR_NONE)
 		{
-			$this->db->delete($this->dates_table,array(
+			$this->db->delete($this->dates_table, array(
 				'cal_id' => $cal_id),
-				__LINE__,__FILE__,'calendar');
+				__LINE__, __FILE__, 'calendar');
 
 			// delete all user-records, with recur-date != 0
-			$this->db->delete($this->user_table,array(
+			$this->db->delete($this->user_table, array(
 				'cal_id' => $cal_id, 'cal_recur_date != 0'),
-				__LINE__,__FILE__,'calendar');
+				__LINE__, __FILE__, 'calendar');
 
-			$this->db->delete($this->repeats_table,array(
+			$this->db->delete($this->repeats_table, array(
 				'cal_id' => $cal_id),
-				__LINE__,__FILE__,'calendar');
+				__LINE__, __FILE__, 'calendar');
 
 			// add exception marker to master, so participants added to exceptions *only* get found
 			if ($event['cal_reference'])
 			{
 				$master_participants = array();
-				foreach($this->db->select($this->user_table, 'cal_user_type,cal_user_id,cal_user_attendee', array(
+				foreach ($this->db->select($this->user_table, 'cal_user_type,cal_user_id,cal_user_attendee', array(
 					'cal_id' => $event['cal_reference'],
 					'cal_recur_date' => 0,
-					"cal_status != 'X'",	// deleted need to be replaced with exception marker too
+					"cal_status != 'X'", // deleted need to be replaced with exception marker too
 				), __LINE__, __FILE__, 'calendar') as $row)
 				{
 					$master_participants[] = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
 				}
-				foreach(array_diff(array_keys((array)$event['cal_participants']), $master_participants) as $uid)
+				foreach (array_diff(array_keys((array)$event['cal_participants']), $master_participants) as $uid)
 				{
 					$user_type = $user_id = null;
 					self::split_user($uid, $user_type, $user_id, true);
@@ -1494,10 +1492,10 @@ 
 		else // write information about recuring event, if recur_type is present in the array
 		{
 			// fetch information about the currently saved (old) event
-			$old_min = (int) $this->db->select($this->dates_table,'MIN(cal_start)',array('cal_id'=>$cal_id),__LINE__,__FILE__,false,'','calendar')->fetchColumn();
-			$old_duration = (int) $this->db->select($this->dates_table,'MIN(cal_end)',array('cal_id'=>$cal_id),__LINE__,__FILE__,false,'','calendar')->fetchColumn() - $old_min;
+			$old_min = (int)$this->db->select($this->dates_table, 'MIN(cal_start)', array('cal_id'=>$cal_id), __LINE__, __FILE__, false, '', 'calendar')->fetchColumn();
+			$old_duration = (int)$this->db->select($this->dates_table, 'MIN(cal_end)', array('cal_id'=>$cal_id), __LINE__, __FILE__, false, '', 'calendar')->fetchColumn() - $old_min;
 			$old_exceptions = array();
-			foreach($this->db->select($this->dates_table, 'cal_start', array(
+			foreach ($this->db->select($this->dates_table, 'cal_start', array(
 				'cal_id' => $cal_id,
 				'recur_exception' => true
 			), __LINE__, __FILE__, false, 'ORDER BY cal_start', 'calendar') as $row)
@@ -1516,8 +1514,8 @@ 
 				'cal_recur_date' => 0,
 			);
 			$old_participants = array();
-			foreach ($this->db->select($this->user_table,'cal_user_type,cal_user_id,cal_user_attendee,cal_status,cal_quantity,cal_role', $where,
-				__LINE__,__FILE__,false,'','calendar') as $row)
+			foreach ($this->db->select($this->user_table, 'cal_user_type,cal_user_id,cal_user_attendee,cal_status,cal_quantity,cal_role', $where,
+				__LINE__, __FILE__, false, '', 'calendar') as $row)
 			{
 				$uid = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
 				$status = self::combine_status($row['cal_status'], $row['cal_quantity'], $row['cal_role']);
@@ -1527,7 +1525,7 @@ 
 			// re-check: did so much recurrence data change that we have to rebuild it from scratch?
 			if (!$set_recurrences)
 			{
-				$set_recurrences = (isset($event['cal_start']) && (int)$old_min != (int) $event['cal_start']) ||
+				$set_recurrences = (isset($event['cal_start']) && (int)$old_min != (int)$event['cal_start']) ||
 				    $event['recur_type'] != $old_repeats['recur_type'] || $event['recur_data'] != $old_repeats['recur_data'] ||
 					(int)$event['recur_interval'] != (int)$old_repeats['recur_interval'] || $event['tz_id'] != $old_tz_id;
 			}
@@ -1536,22 +1534,22 @@ 
 			{
 				// too much recurrence data has changed, we have to do a rebuild from scratch
 				// delete all, but the lowest dates record
-				$this->db->delete($this->dates_table,array(
+				$this->db->delete($this->dates_table, array(
 					'cal_id' => $cal_id,
 					'cal_start > '.(int)$old_min,
-				),__LINE__,__FILE__,'calendar');
+				), __LINE__, __FILE__, 'calendar');
 
 				// delete all user-records, with recur-date != 0
-				$this->db->delete($this->user_table,array(
+				$this->db->delete($this->user_table, array(
 					'cal_id' => $cal_id,
 					'cal_recur_date != 0',
-				),__LINE__,__FILE__,'calendar');
+				), __LINE__, __FILE__, 'calendar');
 			}
 			else
 			{
 				// we adjust some possibly changed recurrences manually
 				// deleted exceptions: re-insert recurrences into the user and dates table
-				if (count($deleted_exceptions = array_diff($old_exceptions,$event['recur_exception'])))
+				if (count($deleted_exceptions = array_diff($old_exceptions, $event['recur_exception'])))
 				{
 					if (isset($event['cal_participants']))
 					{
@@ -1562,7 +1560,7 @@ 
 						// use old default
 						$participants = $old_participants;
 					}
-					foreach($deleted_exceptions as $id => $deleted_exception)
+					foreach ($deleted_exceptions as $id => $deleted_exception)
 					{
 						// rebuild participants for the re-inserted recurrence
 						$this->recurrence($cal_id, $deleted_exception, $deleted_exception + $old_duration, $participants);
@@ -1570,24 +1568,24 @@ 
 				}
 
 				// check if recurrence enddate was adjusted
-				if(isset($event['recur_enddate']))
+				if (isset($event['recur_enddate']))
 				{
 					// recurrences need to be truncated
-					if((int)$event['recur_enddate'] > 0 &&
+					if ((int)$event['recur_enddate'] > 0 &&
 						((int)$old_repeats['recur_enddate'] == 0 || (int)$old_repeats['recur_enddate'] > (int)$event['recur_enddate'])
 					)
 					{
-						$this->db->delete($this->user_table,array('cal_id' => $cal_id,'cal_recur_date >= '.($event['recur_enddate'] + 1*DAY_s)),__LINE__,__FILE__,'calendar');
-						$this->db->delete($this->dates_table,array('cal_id' => $cal_id,'cal_start >= '.($event['recur_enddate'] + 1*DAY_s)),__LINE__,__FILE__,'calendar');
+						$this->db->delete($this->user_table, array('cal_id' => $cal_id, 'cal_recur_date >= '.($event['recur_enddate'] + 1 * DAY_s)), __LINE__, __FILE__, 'calendar');
+						$this->db->delete($this->dates_table, array('cal_id' => $cal_id, 'cal_start >= '.($event['recur_enddate'] + 1 * DAY_s)), __LINE__, __FILE__, 'calendar');
 					}
 
 					// recurrences need to be expanded
-					if(((int)$event['recur_enddate'] == 0 && (int)$old_repeats['recur_enddate'] > 0)
+					if (((int)$event['recur_enddate'] == 0 && (int)$old_repeats['recur_enddate'] > 0)
 						|| ((int)$event['recur_enddate'] > 0 && (int)$old_repeats['recur_enddate'] > 0 && (int)$old_repeats['recur_enddate'] < (int)$event['recur_enddate'])
 					)
 					{
 						$set_recurrences = true;
-						$set_recurrences_start = ($old_repeats['recur_enddate'] + 1*DAY_s);
+						$set_recurrences_start = ($old_repeats['recur_enddate'] + 1 * DAY_s);
 					}
 					//error_log(__METHOD__."() event[recur_enddate]=$event[recur_enddate], old_repeats[recur_enddate]=$old_repeats[recur_enddate] --> set_recurrences=".array2string($set_recurrences).", set_recurrences_start=$set_recurrences_start");
 				}
@@ -1596,9 +1594,9 @@ 
 				if (count($event['recur_exception']))
 				{
 					// added and existing exceptions: delete the execeptions from the user table, it could be the first time
-					$this->db->delete($this->user_table,array('cal_id' => $cal_id,'cal_recur_date' => $event['recur_exception']),__LINE__,__FILE__,'calendar');
+					$this->db->delete($this->user_table, array('cal_id' => $cal_id, 'cal_recur_date' => $event['recur_exception']), __LINE__, __FILE__, 'calendar');
 					// update recur_exception flag based on current exceptions
-					$this->db->update($this->dates_table, 'recur_exception='.$this->db->expression($this->dates_table,array(
+					$this->db->update($this->dates_table, 'recur_exception='.$this->db->expression($this->dates_table, array(
 						'cal_start' => $event['recur_exception'],
 					)), array(
 						'cal_id' => $cal_id,
@@ -1607,25 +1605,25 @@ 
 			}
 
 			// write the repeats table
-			unset($event[0]);	// unset the 'etag=etag+1', as it's not in the repeats table
-			$this->db->insert($this->repeats_table,$event,array('cal_id' => $cal_id),__LINE__,__FILE__,'calendar');
+			unset($event[0]); // unset the 'etag=etag+1', as it's not in the repeats table
+			$this->db->insert($this->repeats_table, $event, array('cal_id' => $cal_id), __LINE__, __FILE__, 'calendar');
 		}
 		// update start- and endtime if present in the event-array, evtl. we need to move all recurrences
 		if (isset($event['cal_start']) && isset($event['cal_end']))
 		{
-			$this->move($cal_id,$event['cal_start'],$event['cal_end'],!$cal_id ? false : $change_since, $old_min, $old_min +  $old_duration);
+			$this->move($cal_id, $event['cal_start'], $event['cal_end'], !$cal_id ? false : $change_since, $old_min, $old_min + $old_duration);
 		}
 		// update participants if present in the event-array
 		if (isset($event['cal_participants']))
 		{
-			$this->participants($cal_id,$event['cal_participants'],!$cal_id ? false : $change_since);
+			$this->participants($cal_id, $event['cal_participants'], !$cal_id ? false : $change_since);
 		}
 		// Custom fields
-		foreach($event as $name => $value)
+		foreach ($event as $name => $value)
 		{
 			if ($name[0] == '#')
 			{
-				if (is_array($value) && array_key_exists('id',$value))
+				if (is_array($value) && array_key_exists('id', $value))
 				{
 					//error_log(__METHOD__.__LINE__."$name => ".array2string($value).function_backtrace());
 					$value = $value['id'];
@@ -1633,19 +1631,19 @@ 
 				}
 				if ($value)
 				{
-					$this->db->insert($this->extra_table,array(
-						'cal_extra_value'	=> is_array($value) ? implode(',',$value) : $value,
-					),array(
+					$this->db->insert($this->extra_table, array(
+						'cal_extra_value'	=> is_array($value) ? implode(',', $value) : $value,
+					), array(
 						'cal_id'			=> $cal_id,
-						'cal_extra_name'	=> substr($name,1),
-					),__LINE__,__FILE__,'calendar');
+						'cal_extra_name'	=> substr($name, 1),
+					), __LINE__, __FILE__, 'calendar');
 				}
 				else
 				{
-					$this->db->delete($this->extra_table,array(
+					$this->db->delete($this->extra_table, array(
 						'cal_id'			=> $cal_id,
-						'cal_extra_name'	=> substr($name,1),
-					),__LINE__,__FILE__,'calendar');
+						'cal_extra_name'	=> substr($name, 1),
+					), __LINE__, __FILE__, 'calendar');
 				}
 			}
 		}
@@ -1656,9 +1654,9 @@ 
 			{
 				if ($alarm['id'] && strpos($alarm['id'], 'cal:'.$cal_id.':') !== 0)
 				{
-					unset($alarm['id']);	// unset the temporary id to add the alarm
+					unset($alarm['id']); // unset the temporary id to add the alarm
 				}
-				if(!isset($alarm['offset']))
+				if (!isset($alarm['offset']))
 				{
 					$alarm['offset'] = $event['cal_start'] - $alarm['time'];
 				}
@@ -1669,14 +1667,14 @@ 
 
 				if ($alarm['time'] < time() && !self::shift_alarm($event, $alarm))
 				{
-					continue;	// pgoerzen: don't add alarm in the past
+					continue; // pgoerzen: don't add alarm in the past
 				}
-				$this->save_alarm($cal_id, $alarm, false);	// false: not update modified, we do it anyway
+				$this->save_alarm($cal_id, $alarm, false); // false: not update modified, we do it anyway
 			}
 		}
 		if (is_null($etag))
 		{
-			$etag = $this->db->select($this->cal_table,'cal_etag',array('cal_id' => $cal_id),__LINE__,__FILE__,false,'','calendar')->fetchColumn();
+			$etag = $this->db->select($this->cal_table, 'cal_etag', array('cal_id' => $cal_id), __LINE__, __FILE__, false, '', 'calendar')->fetchColumn();
 		}
 
 		// if event is an exception: update modified of master, to force etag, ctag and sync-token change
@@ -1696,7 +1694,7 @@ 
 	 *	are dealing with, default is now.
 	 * @return boolean true if alarm could be shifted, false if not
 	 */
-	public static function shift_alarm(array $_event, array &$alarm, $timestamp=null)
+	public static function shift_alarm(array $_event, array &$alarm, $timestamp = null)
 	{
 		if ($_event['recur_type'] == MCAL_RECUR_NONE)
 		{
@@ -1707,7 +1705,7 @@ 
 		$rrule = calendar_rrule::event2rrule($event, false);
 		foreach ($rrule as $time)
 		{
-			if ($start < ($ts = Api\DateTime::to($time,'server')))
+			if ($start < ($ts = Api\DateTime::to($time, 'server')))
 			{
 				$alarm['time'] = $ts - $alarm['offset'];
 				return true;
@@ -1728,34 +1726,34 @@ 
 	 * @todo Recalculate recurrences, if timezone changes
 	 * @return int|boolean number of moved recurrences or false on error
 	 */
-	function move($cal_id,$start,$end,$change_since=0,$old_start=0,$old_end=0)
+	function move($cal_id, $start, $end, $change_since = 0, $old_start = 0, $old_end = 0)
 	{
 		//echo "<p>socal::move($cal_id,$start,$end,$change_since,$old_start,$old_end)</p>\n";
 
-		if (!(int) $cal_id) return false;
+		if (!(int)$cal_id) return false;
 
 		if (!$old_start)
 		{
-			if ($change_since !== false) $row = $this->db->select($this->dates_table,'MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end',
-				array('cal_id'=>$cal_id),__LINE__,__FILE__,false,'','calendar')->fetch();
+			if ($change_since !== false) $row = $this->db->select($this->dates_table, 'MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end',
+				array('cal_id'=>$cal_id), __LINE__, __FILE__, false, '', 'calendar')->fetch();
 			// if no recurrence found, create one with the new dates
 			if ($change_since === false || !$row || !$row['cal_start'] || !$row['cal_end'])
 			{
-				$this->db->insert($this->dates_table,array(
+				$this->db->insert($this->dates_table, array(
 					'cal_id'    => $cal_id,
 					'cal_start' => $start,
 					'cal_end'   => $end,
-				),false,__LINE__,__FILE__,'calendar');
+				), false, __LINE__, __FILE__, 'calendar');
 
 				return 1;
 			}
-			$move_start = (int) ($start-$row['cal_start']);
-			$move_end   = (int) ($end-$row['cal_end']);
+			$move_start = (int)($start - $row['cal_start']);
+			$move_end   = (int)($end - $row['cal_end']);
 		}
 		else
 		{
-			$move_start = (int) ($start-$old_start);
-			$move_end   = (int) ($end-$old_end);
+			$move_start = (int)($start - $old_start);
+			$move_end   = (int)($end - $old_end);
 		}
 		$where = 'cal_id='.(int)$cal_id;
 
@@ -1763,13 +1761,13 @@ 
 		{
 			// move the recur-date of the participants
 			$this->db->query("UPDATE $this->user_table SET cal_recur_date=cal_recur_date+$move_start WHERE $where AND cal_recur_date ".
-				((int)$change_since ? '>= '.(int)$change_since : '!= 0'),__LINE__,__FILE__);
+				((int)$change_since ? '>= '.(int)$change_since : '!= 0'), __LINE__, __FILE__);
 		}
 		if ($move_start || $move_end)
 		{
 			// move the event and it's recurrences
 			$this->db->query("UPDATE $this->dates_table SET cal_start=cal_start+$move_start,cal_end=cal_end+$move_end WHERE $where".
-				((int) $change_since ? ' AND cal_start >= '.(int) $change_since : ''),__LINE__,__FILE__);
+				((int)$change_since ? ' AND cal_start >= '.(int)$change_since : ''), __LINE__, __FILE__);
 		}
 		return $this->db->affected_rows();
 	}
@@ -1788,8 +1786,7 @@ 
 		}
 		if (is_array($attendee))
 		{
-			$email = !empty($attendee['email']) ? $user_attendee['email'] :
-				(strtolower(substr($attendee['url'], 0, 7)) == 'mailto:' ? substr($user_attendee['url'], 7) : $attendee['url']);
+			$email = !empty($attendee['email']) ? $user_attendee['email'] : (strtolower(substr($attendee['url'], 0, 7)) == 'mailto:' ? substr($user_attendee['url'], 7) : $attendee['url']);
 			$attendee = !empty($attendee['cn']) ? $attendee['cn'].' <'.$email.'>' : $email;
 		}
 		return $attendee;
@@ -1802,11 +1799,11 @@ 
 	 * @param string|array $attendee attendee information: email, json or array with attr cn and url
 	 * @return string|int combined id
 	 */
-	static function combine_user($user_type, $user_id, $attendee=null)
+	static function combine_user($user_type, $user_id, $attendee = null)
 	{
 		if (!$user_type || $user_type == 'u')
 		{
-			return (int) $user_id;
+			return (int)$user_id;
 		}
 		if ($user_type == 'e' && $attendee)
 		{
@@ -1826,12 +1823,12 @@ 
 	 * @param string|int &$user_id id
 	 * @param boolean $md5_email =false md5 hash user_id for email / user_type=="e"
 	 */
-	static function split_user($uid, &$user_type, &$user_id, $md5_email=false)
+	static function split_user($uid, &$user_type, &$user_id, $md5_email = false)
 	{
 		if (is_numeric($uid))
 		{
 			$user_type = 'u';
-			$user_id = (int) $uid;
+			$user_id = (int)$uid;
 		}
 		// create md5 hash from lowercased and trimed raw email ("rb@stylite.de", not "Ralf Becker <rb@stylite.de>")
 		elseif ($md5_email && $uid[0] == 'e')
@@ -1845,7 +1842,7 @@ 
 		else
 		{
 			$user_type = $uid[0];
-			$user_id = substr($uid,1);
+			$user_id = substr($uid, 1);
 		}
 	}
 
@@ -1857,7 +1854,7 @@ 
 	 * @param string $role ='REQ-PARTICIPANT'
 	 * @return string
 	 */
-	static function combine_status($status,$quantity=1,$role='REQ-PARTICIPANT')
+	static function combine_status($status, $quantity = 1, $role = 'REQ-PARTICIPANT')
 	{
 		if ((int)$quantity > 1) $status .= (int)$quantity;
 		if ($role != 'REQ-PARTICIPANT') $status .= $role;
@@ -1873,13 +1870,13 @@ 
 	 * @param string &$role=null only O: role
 	 * @return string status U, T, A or R, same as $status parameter on return
 	 */
-	static function split_status(&$status,&$quantity=null,&$role=null)
+	static function split_status(&$status, &$quantity = null, &$role = null)
 	{
 		$quantity = 1;
 		$role = 'REQ-PARTICIPANT';
 		//error_log(__METHOD__.__LINE__.array2string($status));
 		$matches = null;
-		if (is_string($status) && strlen($status) > 1 && preg_match('/^.([0-9]*)(.*)$/',$status,$matches))
+		if (is_string($status) && strlen($status) > 1 && preg_match('/^.([0-9]*)(.*)$/', $status, $matches))
 		{
 			if ((int)$matches[1] > 0) $quantity = (int)$matches[1];
 			if ($matches[2]) $role = $matches[2];
@@ -1906,14 +1903,14 @@ 
 	 *		true = only add participants if needed, no participant will be deleted (participants to check/add required in $participants)
 	 * @return int|boolean number of updated recurrences or false on error
 	 */
-	function participants($cal_id,$participants,$change_since=0,$add_only=false)
+	function participants($cal_id, $participants, $change_since = 0, $add_only = false)
 	{
 		//error_log(__METHOD__."($cal_id,".array2string($participants).",$change_since,$add_only");
 
 		$recurrences = array();
 
 		// remove group-invitations, they are NOT stored in the db
-		foreach($participants as $uid => $status)
+		foreach ($participants as $uid => $status)
 		{
 			if ($status[0] == 'G')
 			{
@@ -1922,7 +1919,7 @@ 
 		}
 		$where = array('cal_id' => $cal_id);
 
-		if ((int) $change_since)
+		if ((int)$change_since)
 		{
 			$where[] = '(cal_recur_date=0 OR cal_recur_date >= '.(int)$change_since.')';
 		}
@@ -1930,31 +1927,31 @@ 
 		if ($change_since !== false)
 		{
 			// find all existing recurrences
-			foreach($this->db->select($this->user_table,'DISTINCT cal_recur_date',$where,__LINE__,__FILE__,false,'','calendar') as $row)
+			foreach ($this->db->select($this->user_table, 'DISTINCT cal_recur_date', $where, __LINE__, __FILE__, false, '', 'calendar') as $row)
 			{
 				$recurrences[] = $row['cal_recur_date'];
 			}
 
 			// update existing entries
-			$existing_entries = $this->db->select($this->user_table,'*',$where,__LINE__,__FILE__,false,'ORDER BY cal_recur_date DESC','calendar');
+			$existing_entries = $this->db->select($this->user_table, '*', $where, __LINE__, __FILE__, false, 'ORDER BY cal_recur_date DESC', 'calendar');
 
 			// create a full list of participants which already exist in the db
 			// with status, quantity and role of the earliest recurence
 			$old_participants = array();
-			foreach($existing_entries as $row)
+			foreach ($existing_entries as $row)
 			{
 				$uid = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
 				if ($row['cal_recur_date'] || !isset($old_participants[$uid]))
 				{
-					$old_participants[$uid] = self::combine_status($row['cal_status'],$row['cal_quantity'],$row['cal_role']);
+					$old_participants[$uid] = self::combine_status($row['cal_status'], $row['cal_quantity'], $row['cal_role']);
 				}
 			}
 
 			// tag participants which should be deleted
-			if($add_only === false)
+			if ($add_only === false)
 			{
 				$deleted = array();
-				foreach($existing_entries as $row)
+				foreach ($existing_entries as $row)
 				{
 					$uid = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
 					// delete not longer set participants
@@ -1967,7 +1964,7 @@ 
 
 			// only keep added OR status (incl. quantity!) changed participants for further steps
 			// we do not touch unchanged (!) existing ones
-			foreach($participants as $uid => $status)
+			foreach ($participants as $uid => $status)
 			{
 				if ($old_participants[$uid] === $status)
 				{
@@ -1979,46 +1976,46 @@ 
 			if ($add_only === false && count($deleted))
 			{
 				$to_or = array();
-				$table_def = $this->db->get_table_definitions('calendar',$this->user_table);
-				foreach($deleted as $type => $ids)
+				$table_def = $this->db->get_table_definitions('calendar', $this->user_table);
+				foreach ($deleted as $type => $ids)
 				{
-					$to_or[] = $this->db->expression($table_def,array(
+					$to_or[] = $this->db->expression($table_def, array(
 						'cal_user_type' => $type,
 						'cal_user_id'   => $ids,
 					));
 				}
-				$where[] = '('.implode(' OR ',$to_or).')';
-				$where[] = "cal_status!='E'";	// do NOT delete exception marker
-				$this->db->update($this->user_table,array('cal_status'=>'X'),$where,__LINE__,__FILE__,'calendar');
+				$where[] = '('.implode(' OR ', $to_or).')';
+				$where[] = "cal_status!='E'"; // do NOT delete exception marker
+				$this->db->update($this->user_table, array('cal_status'=>'X'), $where, __LINE__, __FILE__, 'calendar');
 			}
 		}
 
 		if (count($participants))	// participants which need to be added
 		{
-			if (!count($recurrences)) $recurrences[] = 0;   // insert the default recurrence
+			if (!count($recurrences)) $recurrences[] = 0; // insert the default recurrence
 
 			$delete_deleted = array();
 
 			// update participants
-			foreach($participants as $uid => $status)
+			foreach ($participants as $uid => $status)
 			{
 				$type = $id = $quantity = $role = null;
 				self::split_user($uid, $type, $id, true);
-				self::split_status($status,$quantity,$role);
+				self::split_status($status, $quantity, $role);
 				$set = array(
 					'cal_status'	  => $status,
 					'cal_quantity'	  => $quantity,
 					'cal_role'        => $role,
 					'cal_user_attendee' => $type == 'e' ? substr($uid, 1) : null,
 				);
-				foreach($recurrences as $recur_date)
+				foreach ($recurrences as $recur_date)
 				{
-					$this->db->insert($this->user_table,$set,array(
+					$this->db->insert($this->user_table, $set, array(
 						'cal_id'	      => $cal_id,
 						'cal_recur_date'  => $recur_date,
 						'cal_user_type'   => $type,
 						'cal_user_id' 	  => $id,
-					),__LINE__,__FILE__,'calendar');
+					), __LINE__, __FILE__, 'calendar');
 				}
 				// for new or changed group-invitations, remove previously deleted members, so they show up again
 				if ($uid < 0)
@@ -2028,13 +2025,13 @@ 
 			}
 			if ($delete_deleted)
 			{
-				$this->db->delete($this->user_table, $where=array(
+				$this->db->delete($this->user_table, $where = array(
 					'cal_id' => $cal_id,
 					'cal_recur_date' => $recurrences,
 					'cal_user_type' => 'u',
 					'cal_user_id' => array_unique($delete_deleted),
 					'cal_status' => 'X',
-				),__LINE__,__FILE__,'calendar');
+				), __LINE__, __FILE__, 'calendar');
 				//error_log(__METHOD__."($cal_id, ".array2string($participants).", since=$change_since, add_only=$add_only) db->delete('$this->user_table', ".array2string($where).") affected ".$this->db->affected_rows().' rows');
 			}
 		}
@@ -2053,7 +2050,7 @@ 
 	 * @param string $attendee =null extra attendee information to set for all types (incl. accounts!)
 	 * @return int number of changed recurrences
 	 */
-	function set_status($cal_id,$user_type,$user_id,$status,$recur_date=0,$role=null,$attendee=null)
+	function set_status($cal_id, $user_type, $user_id, $status, $recur_date = 0, $role = null, $attendee = null)
 	{
 		static $status_code_short = array(
 			REJECTED 	=> 'R',
@@ -2078,7 +2075,7 @@ 
 			'cal_user_type'	=> $user_type,
 			'cal_user_id'   => $user_id_md5,
 		);
-		if ((int) $recur_date)
+		if ((int)$recur_date)
 		{
 			$where['cal_recur_date'] = $recur_date;
 		}
@@ -2089,7 +2086,7 @@ 
 
 		if ($status == 'G')		// remove group invitations, as we dont store them in the db
 		{
-			$this->db->delete($this->user_table,$where,__LINE__,__FILE__,'calendar');
+			$this->db->delete($this->user_table, $where, __LINE__, __FILE__, 'calendar');
 			$ret = $this->db->affected_rows();
 		}
 		else
@@ -2097,7 +2094,7 @@ 
 			$set = array('cal_status' => $status);
 			if ($user_type == 'e' || $attendee) $set['cal_user_attendee'] = $attendee ? $attendee : $user_id;
 			if (!is_null($role) && $role != 'REQ-PARTICIPANT') $set['cal_role'] = $role;
-			$this->db->insert($this->user_table,$set,$where,__LINE__,__FILE__,'calendar');
+			$this->db->insert($this->user_table, $set, $where, __LINE__, __FILE__, 'calendar');
 			// for new or changed group-invitations, remove previously deleted members, so they show up again
 			if (($ret = $this->db->affected_rows()) && $user_type == 'u' && $user_id < 0)
 			{
@@ -2110,7 +2107,7 @@ 
 		// update modified and modifier in main table
 		if ($ret)
 		{
-			$this->updateModified($cal_id, true);	// true = update series master too
+			$this->updateModified($cal_id, true); // true = update series master too
 		}
 		//error_log(__METHOD__."($cal_id,$user_type,$user_id,$status,$recur_date) = $ret");
 		return $ret;
@@ -2125,7 +2122,7 @@ 
 	 * @param array $participants uid => status pairs
 	 * @param boolean $exception =null true or false to set recure_exception flag, null leave it unchanged (new are by default no exception)
 	 */
-	function recurrence($cal_id,$start,$end,$participants,$exception=null)
+	function recurrence($cal_id, $start, $end, $participants, $exception = null)
 	{
 		//error_log(__METHOD__."($cal_id, $start, $end, ".array2string($participants).", ".array2string($exception));
 		$update = array('cal_end' => $end);
@@ -2134,7 +2131,7 @@ 
 		$this->db->insert($this->dates_table, $update, array(
 			'cal_id' => $cal_id,
 			'cal_start'  => $start,
-		),__LINE__,__FILE__,'calendar');
+		), __LINE__, __FILE__, 'calendar');
 
 		if (!is_array($participants))
 		{
@@ -2142,26 +2139,26 @@ 
 		}
 		if ($exception !== true)
 		{
-			foreach($participants as $uid => $status)
+			foreach ($participants as $uid => $status)
 			{
-				if ($status == 'G') continue;	// dont save group-invitations
+				if ($status == 'G') continue; // dont save group-invitations
 
 				$type = '';
 				$id = null;
 				self::split_user($uid, $type, $id, true);
 				$quantity = $role = null;
-				self::split_status($status,$quantity,$role);
-				$this->db->insert($this->user_table,array(
+				self::split_status($status, $quantity, $role);
+				$this->db->insert($this->user_table, array(
 					'cal_status'	=> $status,
 					'cal_quantity'	=> $quantity,
 					'cal_role'		=> $role,
 					'cal_user_attendee' => $type == 'e' ? substr($uid, 1) : null,
-				),array(
+				), array(
 					'cal_id'		 => $cal_id,
 					'cal_recur_date' => $start,
 					'cal_user_type'  => $type,
 					'cal_user_id' 	 => $id,
-				),__LINE__,__FILE__,'calendar');
+				), __LINE__, __FILE__, 'calendar');
 			}
 		}
 	}
@@ -2175,7 +2172,7 @@ 
 	function unfinished_recuring($time)
 	{
 		$ids = array();
-		foreach($rs=$this->db->select($this->repeats_table, "$this->repeats_table.cal_id,MAX(cal_start) AS cal_start",
+		foreach ($rs = $this->db->select($this->repeats_table, "$this->repeats_table.cal_id,MAX(cal_start) AS cal_start",
 			'(range_end IS NULL OR range_end > '.(int)$time.')',
 			__LINE__, __FILE__, false, "GROUP BY $this->repeats_table.cal_id,range_end", 'calendar', 0,
 			" JOIN $this->cal_table ON $this->repeats_table.cal_id=$this->cal_table.cal_id".
@@ -2201,9 +2198,9 @@ 
 		// update timestamp of series master, updates own timestamp too, which does not hurt ;-)
 		$this->updateModified($cal_id, true);
 
-		foreach($this->all_tables as $table)
+		foreach ($this->all_tables as $table)
 		{
-			$this->db->delete($table,array('cal_id'=>$cal_id),__LINE__,__FILE__,'calendar');
+			$this->db->delete($table, array('cal_id'=>$cal_id), __LINE__, __FILE__, 'calendar');
 		}
 	}
 
@@ -2219,19 +2216,19 @@ 
 	function purge($date)
 	{
 		// with new range_end we simple delete all with range_end < $date (range_end NULL is never returned)
-		foreach($this->db->select($this->cal_table, 'cal_id', 'range_end < '.(int)$date, __LINE__, __FILE__, false, '', 'calendar') as $row)
+		foreach ($this->db->select($this->cal_table, 'cal_id', 'range_end < '.(int)$date, __LINE__, __FILE__, false, '', 'calendar') as $row)
 		{
 			//echo __METHOD__." About to delete".$row['cal_id']."\r\n";
-			foreach($this->all_tables as $table)
+			foreach ($this->all_tables as $table)
 			{
 				$this->db->delete($table, array('cal_id'=>$row['cal_id']), __LINE__, __FILE__, 'calendar');
 			}
 			// handle sync
-			$this->db->update('egw_api_content_history',array(
+			$this->db->update('egw_api_content_history', array(
 				'sync_deleted' => time(),
-			),array(
+			), array(
 				'sync_appname' => 'calendar',
-				'sync_contentid' => $row['cal_id'],	// sync_contentid is varchar(60)!
+				'sync_contentid' => $row['cal_id'], // sync_contentid is varchar(60)!
 			), __LINE__, __FILE__);
 			// handle links
 			Link::unlink('', 'calendar', $row['cal_id']);
@@ -2254,23 +2251,23 @@ 
 	 * @param boolean $update_cache =null true: re-read given $cal_id, false: delete given $cal_id
 	 * @return array of (cal_id => array of) alarms with alarm-id as key
 	 */
-	function read_alarms($cal_id, $update_cache=null)
+	function read_alarms($cal_id, $update_cache = null)
 	{
 		if (!isset(self::$alarm_cache) && is_array($cal_id))
 		{
 			self::$alarm_cache = array();
 			if (($jobs = $this->async->read('cal:%')))
 			{
-				foreach($jobs as $id => $job)
+				foreach ($jobs as $id => $job)
 				{
-					$alarm         = $job['data'];	// text, enabled
+					$alarm         = $job['data']; // text, enabled
 					$alarm['id']   = $id;
 					$alarm['time'] = $job['next'];
 
 					self::$alarm_cache[$alarm['cal_id']][$id] = $alarm;
 				}
 			}
-			unset($update_cache);	// just done
+			unset($update_cache); // just done
 		}
 		$alarms = array();
 
@@ -2278,13 +2275,13 @@ 
 		{
 			if (isset($update_cache))
 			{
-				foreach((array)$cal_id as $id)
+				foreach ((array)$cal_id as $id)
 				{
 					if ($update_cache === false)
 					{
 						unset(self::$alarm_cache[$cal_id]);
 					}
-					elseif($update_cache === true)
+					elseif ($update_cache === true)
 					{
 						self::$alarm_cache[$cal_id] = $this->read_alarms_nocache($cal_id);
 					}
@@ -2296,7 +2293,7 @@ 
 			}
 			else
 			{
-				foreach($cal_id as $id)
+				foreach ($cal_id as $id)
 				{
 					$alarms[$id] = (array)self::$alarm_cache[$id];
 				}
@@ -2311,9 +2308,9 @@ 
 	{
 		if (($jobs = $this->async->read('cal:'.(int)$cal_id.':%')))
 		{
-			foreach($jobs as $id => $job)
+			foreach ($jobs as $id => $job)
 			{
-				$alarm         = $job['data'];	// text, enabled
+				$alarm         = $job['data']; // text, enabled
 				$alarm['id']   = $id;
 				$alarm['time'] = $job['next'];
 
@@ -2336,8 +2333,8 @@ 
 		{
 			return False;
 		}
-		list($alarm_id,$job) = each($jobs);
-		$alarm         = $job['data'];	// text, enabled
+		list($alarm_id, $job) = each($jobs);
+		$alarm         = $job['data']; // text, enabled
 		$alarm['id']   = $alarm_id;
 		$alarm['time'] = $job['next'];
 
@@ -2353,12 +2350,12 @@ 
 	 * @param boolean $update_modified =true call update modified, default true
 	 * @return string id of the alarm
 	 */
-	function save_alarm($cal_id, $alarm, $update_modified=true)
+	function save_alarm($cal_id, $alarm, $update_modified = true)
 	{
 		//error_log(__METHOD__."($cal_id, ".array2string($alarm).', '.array2string($update_modified).') '.function_backtrace());
 		if (!($id = $alarm['id']))
 		{
-			$alarms = $this->read_alarms($cal_id);	// find a free alarm#
+			$alarms = $this->read_alarms($cal_id); // find a free alarm#
 			$n = count($alarms);
 			do
 			{
@@ -2371,12 +2368,12 @@ 
 		{
 			$this->async->cancel_timer($id);
 		}
-		$alarm['cal_id'] = $cal_id;		// we need the back-reference
+		$alarm['cal_id'] = $cal_id; // we need the back-reference
 		// add an alarm uid, if none is given
 		if (empty($alarm['uid']) && class_exists('Horde_Support_Uuid')) $alarm['uid'] = (string)new Horde_Support_Uuid;
 		//error_log(__METHOD__.__LINE__.' Save Alarm for CalID:'.$cal_id.'->'.array2string($alarm).'-->'.$id.'#'.function_backtrace());
 		// allways store job with the alarm owner as job-owner to get eg. the correct from address
-		if (!$this->async->set_timer($alarm['time'],$id,'calendar.calendar_boupdate.send_alarm',$alarm,$alarm['owner']))
+		if (!$this->async->set_timer($alarm['time'], $id, 'calendar.calendar_boupdate.send_alarm', $alarm, $alarm['owner']))
 		{
 			return False;
 		}
@@ -2403,7 +2400,7 @@ 
 		//error_log(__METHOD__."($cal_id) ".function_backtrace());
 		if (($alarms = $this->read_alarms($cal_id)))
 		{
-			foreach(array_keys($alarms) as $id)
+			foreach (array_keys($alarms) as $id)
 			{
 				$this->async->cancel_timer($id);
 			}
@@ -2423,7 +2420,7 @@ 
 	{
 		//error_log(__METHOD__."('$id') ".function_backtrace());
 		// update the modification information of the related event
-		list(,$cal_id) = explode(':',$id);
+		list(,$cal_id) = explode(':', $id);
 		if ($cal_id)
 		{
 			$this->updateModified($cal_id, true);
@@ -2442,7 +2439,7 @@ 
 	 * @param array|int $old_user integer old user or array with keys 'account_id' and 'new_owner' as the deleteaccount hook uses it
 	 * @param int $new_user =null
 	 */
-	function deleteaccount($old_user, $new_user=null)
+	function deleteaccount($old_user, $new_user = null)
 	{
 		if (is_array($old_user))
 		{
@@ -2453,52 +2450,52 @@ 
 		{
 			$user_type = '';
 			$user_id = null;
-			self::split_user($old_user,$user_type,$user_id);
+			self::split_user($old_user, $user_type, $user_id);
 
 			if ($user_type == 'u')	// only accounts can be owners of events
 			{
-				foreach($this->db->select($this->cal_table,'cal_id',array('cal_owner' => $old_user),__LINE__,__FILE__,false,'','calendar') as $row)
+				foreach ($this->db->select($this->cal_table, 'cal_id', array('cal_owner' => $old_user), __LINE__, __FILE__, false, '', 'calendar') as $row)
 				{
 					$this->delete($row['cal_id']);
 				}
 			}
-			$this->db->delete($this->user_table,array(
+			$this->db->delete($this->user_table, array(
 				'cal_user_type' => $user_type,
 				'cal_user_id'   => $user_id,
-			),__LINE__,__FILE__,'calendar');
+			), __LINE__, __FILE__, 'calendar');
 
 			// delete calendar entries without participants (can happen if the deleted user is the only participants, but not the owner)
-			foreach($this->db->select($this->cal_table,"DISTINCT $this->cal_table.cal_id",'cal_user_id IS NULL',__LINE__,__FILE__,
-				False,'','calendar',0,"LEFT JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id") as $row)
+			foreach ($this->db->select($this->cal_table, "DISTINCT $this->cal_table.cal_id", 'cal_user_id IS NULL', __LINE__, __FILE__,
+				False, '', 'calendar', 0, "LEFT JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id") as $row)
 			{
 				$this->delete($row['cal_id']);
 			}
 		}
 		else
 		{
-			$this->db->update($this->cal_table,array('cal_owner' => $new_user),array('cal_owner' => $old_user),__LINE__,__FILE__,'calendar');
+			$this->db->update($this->cal_table, array('cal_owner' => $new_user), array('cal_owner' => $old_user), __LINE__, __FILE__, 'calendar');
 			// delete participation of old user, if new user is already a participant
 			$ids = array();
-			foreach($this->db->select($this->user_table,'cal_id',array(		// MySQL does NOT allow to run this as delete!
+			foreach ($this->db->select($this->user_table, 'cal_id', array(		// MySQL does NOT allow to run this as delete!
 				'cal_user_type' => 'u',
 				'cal_user_id' => $old_user,
 				"cal_id IN (SELECT cal_id FROM $this->user_table other WHERE other.cal_id=cal_id AND other.cal_user_id=".$this->db->quote($new_user)." AND cal_user_type='u')",
-			),__LINE__,__FILE__,false,'','calendar') as $row)
+			), __LINE__, __FILE__, false, '', 'calendar') as $row)
 			{
 				$ids[] = $row['cal_id'];
 			}
-			if ($ids) $this->db->delete($this->user_table,array(
+			if ($ids) $this->db->delete($this->user_table, array(
 				'cal_user_type' => 'u',
 				'cal_user_id' => $old_user,
 				'cal_id' => $ids,
-			),__LINE__,__FILE__,'calendar');
+			), __LINE__, __FILE__, 'calendar');
 			// now change participant in the rest to contain new user instead of old user
-			$this->db->update($this->user_table,array(
+			$this->db->update($this->user_table, array(
 				'cal_user_id' => $new_user,
-			),array(
+			), array(
 				'cal_user_type' => 'u',
 				'cal_user_id' => $old_user,
-			),__LINE__,__FILE__,'calendar');
+			), __LINE__, __FILE__, 'calendar');
 		}
 	}
 
@@ -2512,18 +2509,18 @@ 
 	 *
 	 * @return array recur_date => status pairs (index 0 => main status)
 	 */
-	function get_recurrences($cal_id, $uid=null, $start=0, $end=0)
+	function get_recurrences($cal_id, $uid = null, $start = 0, $end = 0)
 	{
 		$participant_status = array();
 		$where = array('cal_id' => $cal_id);
-		if ($start != 0 && $end == 0) $where[] = '(cal_recur_date = 0 OR cal_recur_date >= ' . (int)$start . ')';
-		if ($start == 0 && $end != 0) $where[] = '(cal_recur_date = 0 OR cal_recur_date <= ' . (int)$end . ')';
+		if ($start != 0 && $end == 0) $where[] = '(cal_recur_date = 0 OR cal_recur_date >= '.(int)$start.')';
+		if ($start == 0 && $end != 0) $where[] = '(cal_recur_date = 0 OR cal_recur_date <= '.(int)$end.')';
 		if ($start != 0 && $end != 0)
 		{
-			$where[] = '(cal_recur_date = 0 OR (cal_recur_date >= ' . (int)$start .
-						' AND cal_recur_date <= ' . (int)$end . '))';
+			$where[] = '(cal_recur_date = 0 OR (cal_recur_date >= '.(int)$start.
+						' AND cal_recur_date <= '.(int)$end.'))';
 		}
-		foreach($this->db->select($this->user_table,'DISTINCT cal_recur_date',$where,__LINE__,__FILE__,false,'','calendar') as $row)
+		foreach ($this->db->select($this->user_table, 'DISTINCT cal_recur_date', $where, __LINE__, __FILE__, false, '', 'calendar') as $row)
 		{
 			// inititalize the array
 			$participant_status[$row['cal_recur_date']] = null;
@@ -2537,17 +2534,17 @@ 
 			'cal_user_type'	=> $user_type ? $user_type : 'u',
 			'cal_user_id'   => $user_id,
 		);
-		if ($start != 0 && $end == 0) $where2[] = '(cal_recur_date = 0 OR cal_recur_date >= ' . (int)$start . ')';
-		if ($start == 0 && $end != 0) $where2[] = '(cal_recur_date = 0 OR cal_recur_date <= ' . (int)$end . ')';
+		if ($start != 0 && $end == 0) $where2[] = '(cal_recur_date = 0 OR cal_recur_date >= '.(int)$start.')';
+		if ($start == 0 && $end != 0) $where2[] = '(cal_recur_date = 0 OR cal_recur_date <= '.(int)$end.')';
 		if ($start != 0 && $end != 0)
 		{
-			$where2[] = '(cal_recur_date = 0 OR (cal_recur_date >= ' . (int)$start .
-						' AND cal_recur_date <= ' . (int)$end . '))';
+			$where2[] = '(cal_recur_date = 0 OR (cal_recur_date >= '.(int)$start.
+						' AND cal_recur_date <= '.(int)$end.'))';
 		}
-		foreach ($this->db->select($this->user_table,'cal_recur_date,cal_status,cal_quantity,cal_role',$where2,
-				__LINE__,__FILE__,false,'','calendar') as $row)
+		foreach ($this->db->select($this->user_table, 'cal_recur_date,cal_status,cal_quantity,cal_role', $where2,
+				__LINE__, __FILE__, false, '', 'calendar') as $row)
 		{
-			$status = self::combine_status($row['cal_status'],$row['cal_quantity'],$row['cal_role']);
+			$status = self::combine_status($row['cal_status'], $row['cal_quantity'], $row['cal_role']);
 			$participant_status[$row['cal_recur_date']] = $status;
 		}
 		return $participant_status;
@@ -2596,8 +2593,8 @@ 
 			'cal_uid'		=> $uid,
 		);
 		$related = array();
-		foreach ($this->db->select($this->cal_table,'cal_id,cal_reference',$where,
-				__LINE__,__FILE__,false,'','calendar') as $row)
+		foreach ($this->db->select($this->cal_table, 'cal_id,cal_reference', $where,
+				__LINE__, __FILE__, false, '', 'calendar') as $row)
 		{
 			if ($row['cal_reference'] != 0)
 			{
@@ -2626,10 +2623,10 @@ 
 	 *
 	 * @return array		Array of exception days (false for non-recurring events).
 	 */
-	function get_recurrence_exceptions($event, $tz_id=null, $start=0, $end=0, $filter='all')
+	function get_recurrence_exceptions($event, $tz_id = null, $start = 0, $end = 0, $filter = 'all')
 	{
 		if (!is_array($event)) return false;
-		$cal_id = (int) $event['id'];
+		$cal_id = (int)$event['id'];
 		//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 		//		"($cal_id, $tz_id, $filter): " . $event['tzid']);
 		if (!$cal_id || $event['recur_type'] == MCAL_RECUR_NONE) return false;
@@ -2653,27 +2650,27 @@ 
 		while ($egw_rrule->valid())
 		{
 			while ($egw_rrule->exceptions &&
-				in_array($egw_rrule->current->format('Ymd'),$egw_rrule->exceptions))
+				in_array($egw_rrule->current->format('Ymd'), $egw_rrule->exceptions))
 			{
-				if (in_array($filter, array('map','tz_map','rrule','tz_rrule')))
+				if (in_array($filter, array('map', 'tz_map', 'rrule', 'tz_rrule')))
 				{
 					 // real exception
-					$locts = (int)Api\DateTime::to($egw_rrule->current(),'server');
+					$locts = (int)Api\DateTime::to($egw_rrule->current(), 'server');
 					if ($expand_all)
 					{
-						$remts = (int)Api\DateTime::to($remote_rrule->current(),'server');
+						$remts = (int)Api\DateTime::to($remote_rrule->current(), 'server');
 						if ($remote)
 						{
-							$days[$locts]= $remts;
+							$days[$locts] = $remts;
 						}
 						else
 						{
-							$days[$remts]= $locts;
+							$days[$remts] = $locts;
 						}
 					}
 					else
 					{
-						$days[$locts]= $locts;
+						$days[$locts] = $locts;
 					}
 				}
 				if ($expand_all)
@@ -2684,14 +2681,14 @@ 
 				if (!$egw_rrule->valid()) return $days;
 			}
 			$day = $egw_rrule->current();
-			$locts = (int)Api\DateTime::to($day,'server');
+			$locts = (int)Api\DateTime::to($day, 'server');
 			$tz_exception = ($filter == 'tz_rrule');
 			//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 			//	'()[EVENT Server]: ' . $day->format('Ymd\THis') . " ($locts)");
 			if ($expand_all)
 			{
 				$remote_day = $remote_rrule->current();
-				$remts = (int)Api\DateTime::to($remote_day,'server');
+				$remts = (int)Api\DateTime::to($remote_day, 'server');
 			//	error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 			//	'()[EVENT Device]: ' . $remote_day->format('Ymd\THis') . " ($remts)");
 			}
@@ -2710,11 +2707,11 @@ 
 						//	'() tz exception: ' . $day->format('Ymd\THis'));
 						if ($remote)
 						{
-							$days[$locts]= $remts;
+							$days[$locts] = $remts;
 						}
 						else
 						{
-							$days[$remts]= $locts;
+							$days[$remts] = $locts;
 						}
 					}
 				}
@@ -2736,18 +2733,18 @@ 
 							{
 								if ($remote)
 								{
-									$days[$locts]= $remts;
+									$days[$locts] = $remts;
 								}
 								else
 								{
-									$days[$remts]= $locts;
+									$days[$remts] = $locts;
 								}
 							}
 						}
 					}
 					elseif ($filter != 'map')
 					{
-						$days[$locts]= $locts;
+						$days[$locts] = $locts;
 					}
 				}
 				elseif (($filter == 'map' || filter == 'tz_map') &&
@@ -2757,11 +2754,11 @@ 
 					if ($expand_all)
 					{
 
-						$days[$remts]= $locts;
+						$days[$remts] = $locts;
 					}
 					else
 					{
-						$days[$locts]= $locts;
+						$days[$locts] = $locts;
 					}
 				}
 			}
@@ -2785,9 +2782,9 @@ 
 	 */
 	function status_pseudo_exception($cal_id, $recur_date, $filter)
 	{
-		static $recurrence_zero=null;
-		static $cached_id=null;
-		static $user=null;
+		static $recurrence_zero = null;
+		static $cached_id = null;
+		static $user = null;
 
 		if (!isset($cached_id) || $cached_id != $cal_id)
 		{
@@ -2798,8 +2795,8 @@ 
 				'cal_id' => $cal_id,
 				'cal_recur_date' => 0,
 			);
-			foreach ($this->db->select($this->user_table,'cal_user_type,cal_user_id,cal_user_attendee,cal_status',$where,
-				__LINE__,__FILE__,false,'','calendar') as $row)
+			foreach ($this->db->select($this->user_table, 'cal_user_type,cal_user_id,cal_user_attendee,cal_status', $where,
+				__LINE__, __FILE__, false, '', 'calendar') as $row)
 			{
 				switch ($row['cal_user_type'])
 				{
@@ -2822,8 +2819,8 @@ 
 			'cal_id' => $cal_id,
 			'cal_recur_date' => $recur_date,
 		);
-		foreach ($this->db->select($this->user_table,'cal_user_type,cal_user_id,cal_user_attendee,cal_status',$where,
-			__LINE__,__FILE__,false,'','calendar') as $row)
+		foreach ($this->db->select($this->user_table, 'cal_user_type,cal_user_id,cal_user_attendee,cal_status', $where,
+			__LINE__, __FILE__, false, '', 'calendar') as $row)
 		{
 			switch ($row['cal_user_type'])
 			{
@@ -2920,14 +2917,14 @@ 
 			}
 			$timezone = self::$tz_cache[$event['tzid']];
 		}
-		$start_time = new Api\DateTime($event['start'],Api\DateTime::$server_timezone);
+		$start_time = new Api\DateTime($event['start'], Api\DateTime::$server_timezone);
 		$start_time->setTimezone($timezone);
-		$end_time = new Api\DateTime($event['end'],Api\DateTime::$server_timezone);
+		$end_time = new Api\DateTime($event['end'], Api\DateTime::$server_timezone);
 		$end_time->setTimezone($timezone);
 		//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 		//	'(): ' . $start . '-' . $end);
-		$start = Api\DateTime::to($start_time,'array');
-		$end = Api\DateTime::to($end_time,'array');
+		$start = Api\DateTime::to($start_time, 'array');
+		$end = Api\DateTime::to($end_time, 'array');
 
 
 		return !$start['hour'] && !$start['minute'] && $end['hour'] == 23 && $end['minute'] == 59;
@@ -2941,7 +2938,7 @@ 
 	 *
 	 * @return DateTime
 	 */
-	function &startOfDay(Api\DateTime $time, $tz_id=null)
+	function &startOfDay(Api\DateTime $time, $tz_id = null)
 	{
 		if (empty($tz_id))
 		{
@@ -2966,14 +2963,14 @@ 
 	 * @param int $time =null new timestamp, default current (server-)time
 	 * @param int $modifier =null uid of the modifier, default current user
 	 */
-	function updateModified($id, $update_master=false, $time=null, $modifier=null)
+	function updateModified($id, $update_master = false, $time = null, $modifier = null)
 	{
 		if (is_null($time) || !$time) $time = time();
 		if (is_null($modifier)) $modifier = $GLOBALS['egw_info']['user']['account_id'];
 
 		$this->db->update($this->cal_table,
 			array('cal_modified' => $time, 'cal_modifier' => $modifier),
-			array('cal_id' => $id), __LINE__,__FILE__, 'calendar');
+			array('cal_id' => $id), __LINE__, __FILE__, 'calendar');
 
 		// if event is an exception: update modified of master, to force etag, ctag and sync-token change
 		if ($update_master)

Braces +366 added lines, -96 removed lines

@@ -154,16 +154,32 @@ 
 	 */
 	protected function cal_range_view($start, $end, array $_where=null, $deleted=false)
 	{
-		if ($GLOBALS['egw_info']['server']['no_timerange_views'] || !$start)	// using view without start-date is slower!
+		if ($GLOBALS['egw_info']['server']['no_timerange_views'] || !$start)
 		{
-			return $this->cal_table;	// no need / use for a view
+			// using view without start-date is slower!
+		{
+			return $this->cal_table;
+		}
+		// no need / use for a view
 		}
 
 		$where = array();
-		if (isset($deleted)) $where[] = "cal_deleted IS ".($deleted ? '' : 'NOT').' NULL';
-		if ($end) $where[] = "range_start<".(int)$end;
-		if ($start) $where[] = "(range_end IS NULL OR range_end>".(int)$start.")";
-		if ($_where) $where = array_merge($where, $_where);
+		if (isset($deleted))
+		{
+			$where[] = "cal_deleted IS ".($deleted ? '' : 'NOT').' NULL';
+		}
+		if ($end)
+		{
+			$where[] = "range_start<".(int)$end;
+		}
+		if ($start)
+		{
+			$where[] = "(range_end IS NULL OR range_end>".(int)$start.")";
+		}
+		if ($_where)
+		{
+			$where = array_merge($where, $_where);
+		}
 
 		$sql = "(SELECT * FROM $this->cal_table WHERE ".$this->db->expression($this->cal_table, $where).") $this->cal_table";
 
@@ -184,16 +200,32 @@ 
 	 */
 	protected function dates_range_view($start, $end, array $_where=null, $deleted=false)
 	{
-		if ($GLOBALS['egw_info']['server']['no_timerange_views'] || !$start || !$end)	// using view without start- AND end-date is slower!
+		if ($GLOBALS['egw_info']['server']['no_timerange_views'] || !$start || !$end)
+		{
+			// using view without start- AND end-date is slower!
 		{
-			return $this->dates_table;	// no need / use for a view
+			return $this->dates_table;
+		}
+		// no need / use for a view
 		}
 
 		$where = array();
-		if (isset($deleted)) $where['recur_exception'] = $deleted;
-		if ($end) $where[] = "cal_start<".(int)$end;
-		if ($start) $where[] = "cal_end>".(int)$start;
-		if ($_where) $where = array_merge($where, $_where);
+		if (isset($deleted))
+		{
+			$where['recur_exception'] = $deleted;
+		}
+		if ($end)
+		{
+			$where[] = "cal_start<".(int)$end;
+		}
+		if ($start)
+		{
+			$where[] = "cal_end>".(int)$start;
+		}
+		if ($_where)
+		{
+			$where = array_merge($where, $_where);
+		}
 
 		// Api\Db::union uses Api\Db::select which check if join contains "WHERE"
 		// to support old join syntax like ", other_table WHERE ...",
@@ -243,7 +275,10 @@ 
 			throw new Api\Exception\AssertionFailed("Unsupported value for parameters!");
 		}
 		$where = is_array($params['query']) ? $params['query'] : array();
-		if ($cat_id) $where[] = $this->cat_filter($cat_id);
+		if ($cat_id)
+		{
+			$where[] = $this->cat_filter($cat_id);
+		}
 		$egw_cal = $this->cal_range_view($start, $end, $where, $filter == 'everything' ? null : $filter != 'deleted');
 
 		$status_filter = $this->status_filter($filter, $params['enum_recuring']);
@@ -264,7 +299,10 @@ 
 		if ($users)
 		{
 			// fix $users to also prefix system users and groups (with 'u')
-			if (!is_array($users)) $users = $users ? (array)$users : array();
+			if (!is_array($users))
+			{
+				$users = $users ? (array)$users : array();
+			}
 			foreach($users as &$uid)
 			{
 				$user_type = $user_id = null;
@@ -284,15 +322,22 @@ 
 			$sql .= " AND\n	".$params['sql_filter'];
 		}
 
-		if ($params['order'])	// only order if requested
+		if ($params['order'])
 		{
-			if (!preg_match('/^[a-z_ ,c]+$/i',$params['order'])) $params['order'] = 'cal_start';		// gard against SQL injection
+			// only order if requested
+		{
+			if (!preg_match('/^[a-z_ ,c]+$/i',$params['order'])) $params['order'] = 'cal_start';
+		}
+		// gard against SQL injection
 			$sql .= "\nORDER BY ".$params['order'];
 		}
 
-		if ($offset === false)	// return all rows --> Api\Db::query wants offset=0, num_rows=-1
+		if ($offset === false)
+		{
+			// return all rows --> Api\Db::query wants offset=0, num_rows=-1
 		{
 			$offset = 0;
+		}
 			$num_rows = -1;
 		}
 		$events =& $this->get_events($this->db->query($sql, __LINE__, __FILE__, $offset, $num_rows));
@@ -318,26 +363,35 @@ 
 		$join = "LEFT JOIN $this->repeats_table ON $this->cal_table.cal_id=$this->repeats_table.cal_id";
 
 		$where = array();
-		if (is_scalar($ids) && !is_numeric($ids))	// a single uid
+		if (is_scalar($ids) && !is_numeric($ids))
+		{
+			// a single uid
 		{
 			// We want only the parents to match
 			$where['cal_uid'] = $ids;
+		}
 			$where['cal_reference'] = 0;
 		}
-		elseif(is_array($ids) && isset($ids[count($ids)-1]) || is_scalar($ids))	// one or more cal_id's
+		elseif(is_array($ids) && isset($ids[count($ids)-1]) || is_scalar($ids))
+		{
+			// one or more cal_id's
 		{
 			$where['cal_id'] = $ids;
 		}
+		}
 		else	// array with column => value pairs
 		{
 			$where = $ids;
 			unset($ids);	// otherwise users get not read!
 		}
-		if (isset($where['cal_id']))	// prevent non-unique column-name cal_id
+		if (isset($where['cal_id']))
+		{
+			// prevent non-unique column-name cal_id
 		{
 			$where[] = $this->db->expression($this->cal_table, $this->cal_table.'.',array(
 				'cal_id' => $where['cal_id'],
 			));
+		}
 			unset($where['cal_id']);
 		}
 		if ((int) $recur_date)
@@ -387,10 +441,16 @@ 
 			$row['recur_exception'] = $row['alarm'] = array();
 			$events[$row['cal_id']] = Api\Db::strip_array_keys($row,'cal_');
 		}
-		if (!$events) return $events;
+		if (!$events)
+		{
+			return $events;
+		}
 
 		$ids = array_keys($events);
-		if (count($ids) == 1) $ids = $ids[0];
+		if (count($ids) == 1)
+		{
+			$ids = $ids[0];
+		}
 
 		foreach ($events as &$event)
 		{
@@ -464,10 +524,13 @@ 
 			'cal_id'      => $ids,
 			'cal_recur_date' => $recur_date,
 			"cal_status NOT IN ('X','E')",
-		),__LINE__,__FILE__,false,'ORDER BY cal_user_type DESC,cal_recur_date ASC,'.self::STATUS_SORT,'calendar') as $row)	// DESC puts users before resources and contacts
+		),__LINE__,__FILE__,false,'ORDER BY cal_user_type DESC,cal_recur_date ASC,'.self::STATUS_SORT,'calendar') as $row)
+		{
+			// DESC puts users before resources and contacts
 		{
 			// combine all participant data in uid and status values
 			$uid    = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
+		}
 			$status = self::combine_status($row['cal_status'],$row['cal_quantity'],$row['cal_role']);
 
 			$events[$row['cal_id']]['participants'][$uid] = $status;
@@ -524,7 +587,10 @@ 
 			$last_request = time();
 		}
 		$signature = serialize(func_get_args());
-		if (isset($ctags[$signature])) return $ctags[$signature];
+		if (isset($ctags[$signature]))
+		{
+			return $ctags[$signature];
+		}
 
 		$types = array();
 		foreach((array)$users as $uid)
@@ -557,7 +623,10 @@ 
 			// owner can only by users, no groups or resources
 			foreach($users as $key => $user)
 			{
-				if (!($user > 0)) unset($users[$key]);
+				if (!($user > 0))
+				{
+					unset($users[$key]);
+				}
 			}
 			$where = $this->db->expression($this->user_table, '(', $where, ' OR ').
 				$this->db->expression($this->cal_table, array(
@@ -579,7 +648,10 @@ 
 	 */
 	function get_cal_data(array $query, $cols='cal_id,cal_reference,cal_etag,cal_modified,cal_user_modified')
 	{
-		if (!is_array($cols)) $cols = explode(',', $cols);
+		if (!is_array($cols))
+		{
+			$cols = explode(',', $cols);
+		}
 
 		// special handling of cal_user_modified "pseudo" column
 		if (($key = array_search('cal_user_modified', $cols)) !== false)
@@ -604,7 +676,10 @@ 
 		{
 			$cats = $GLOBALS['egw']->categories->return_all_children($cat_id);
 			array_walk($cats,create_function('&$val,$key','$val = (int) $val;'));
-			if (is_array($cat_id) && count($cat_id)==1) $cat_id = $cat_id[0];
+			if (is_array($cat_id) && count($cat_id)==1)
+			{
+				$cat_id = $cat_id[0];
+			}
 			$sql = '(cal_category'.(count($cats) > 1 ? " IN ('".implode("','",$cats)."')" : '='.$this->db->quote((int)$cat_id));
 			foreach($cats as $cat)
 			{
@@ -663,10 +738,13 @@ 
 				$where[] = "$this->user_table.cal_status NOT IN ('X','E')";
 				break;
 			default:
-				if ($enum_recuring)	// regular UI
+				if ($enum_recuring)
+				{
+					// regular UI
 				{
 					$where[] = "$this->user_table.cal_status NOT IN ('R','X','E')";
 				}
+				}
 				else	// CalDAV / eSync / iCal need to include 'E' = exceptions
 				{
 					$where[] = "$this->user_table.cal_status NOT IN ('R','X')";
@@ -798,7 +876,10 @@ 
 						$user_ids = array();
 						foreach($ids as $user_id)
 						{
-							if ($GLOBALS['egw']->accounts->get_type($user_id) === 'u') $user_ids[] = $user_id;
+							if ($GLOBALS['egw']->accounts->get_type($user_id) === 'u')
+							{
+								$user_ids[] = $user_id;
+							}
 						}
 						$owner_or = $this->db->expression($cal_table_def,array('cal_owner' => $user_ids));
 					}
@@ -818,7 +899,10 @@ 
 				}
 			}
 			// this is only used, when we cannot use UNIONS
-			if (!$useUnionQuery) $where[] = '('.implode(' OR ',$to_or).')';
+			if (!$useUnionQuery)
+			{
+				$where[] = '('.implode(' OR ',$to_or).')';
+			}
 
 			$where = $this->status_filter($filter, $params['enum_recuring'], $where);
 		}
@@ -837,7 +921,11 @@ 
 				$where[] = '('.((int)$start).' < range_end OR range_end IS NULL)';
 			}
 		}
-		if (!preg_match('/^[a-z_ ,c]+$/i',$params['order'])) $params['order'] = 'cal_start';		// gard against SQL injection
+		if (!preg_match('/^[a-z_ ,c]+$/i',$params['order']))
+		{
+			$params['order'] = 'cal_start';
+		}
+		// gard against SQL injection
 
 		// if not enum recuring events, we have to use minimum start- AND end-dates, otherwise we get more then one event per cal_id!
 		if (!$params['enum_recuring'])
@@ -847,9 +935,15 @@ 
 			// in case cal_start is used in a query, eg. calendar_ical::find_event
 			$where = str_replace(array('cal_start','cal_end'), array('range_start','(SELECT MIN(cal_end) FROM egw_cal_dates WHERE egw_cal.cal_id=egw_cal_dates.cal_id)'), $where);
 			$params['order'] = str_replace('cal_start', 'range_start', $params['order']);
-			if ($end) $where[] = (int)$end.' > range_start';
+			if ($end)
+			{
+				$where[] = (int)$end.' > range_start';
+			}
   		}
-		elseif ($end) $where[] = (int)$end.' > cal_start';
+  		elseif ($end)
+		{
+			$where[] = (int)$end.' > cal_start';
+		}
 
 		if ($remove_rejected_by_user && $filter != 'everything')
 		{
@@ -863,7 +957,10 @@ 
 				'rejected_by_user.cal_status IS NULL',
 				"rejected_by_user.cal_status NOT IN ('R','X')",
 			);
-			if ($filter == 'owner') $or_required[] = 'cal_owner='.(int)$remove_rejected_by_user;
+			if ($filter == 'owner')
+			{
+				$or_required[] = 'cal_owner='.(int)$remove_rejected_by_user;
+			}
 			$where[] = '('.implode(' OR ',$or_required).')';
 		}
 		// using a time-range and deleted attribute limited view instead of full table
@@ -885,7 +982,10 @@ 
 		if ($useUnionQuery)
 		{
 			// allow apps to supply participants and/or icons
-			if (!isset($params['cols'])) $cols .= ',NULL AS participants,NULL AS icons';
+			if (!isset($params['cols']))
+			{
+				$cols .= ',NULL AS participants,NULL AS icons';
+			}
 
 			// changed the original OR in the query into a union, to speed up the query execution under MySQL 5
 			// with time-range views benefit is now at best slim for huge tables or none at all!
@@ -940,9 +1040,12 @@ 
 					$selects[count($selects)-1]['where'][] = "$this->user_table.cal_recur_date=cal_start";
 				}
 			}
-			if (is_numeric($offset) && !$params['no_total'])	// get the total too
+			if (is_numeric($offset) && !$params['no_total'])
+			{
+				// get the total too
 			{
 				$save_selects = $selects;
+			}
 				// we only select cal_table.cal_id (and not cal_table.*) to be able to use DISTINCT (eg. MsSQL does not allow it for text-columns)
 				foreach(array_keys($selects) as $key)
 				{
@@ -953,14 +1056,20 @@ 
 							array('range_start AS cal_start','range_end AS cal_end'), $selects[$key]['cols']);
 					}
 				}
-				if (!isset($params['cols']) && !$params['no_integration']) self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+				if (!isset($params['cols']) && !$params['no_integration'])
+				{
+					self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+				}
 
 				$this->total = $this->db->union($selects,__LINE__,__FILE__)->NumRows();
 
 				// restore original cols / selects
 				$selects = $save_selects; unset($save_selects);
 			}
-			if (!isset($params['cols']) && !$params['no_integration']) self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+			if (!isset($params['cols']) && !$params['no_integration'])
+			{
+				self::get_union_selects($selects,$start,$end,$users,$cat_id,$filter,$params['query'],$params['users']);
+			}
 
 			$rs = $this->db->union($selects,__LINE__,__FILE__,$params['order'],$offset,$num_rows);
 		}
@@ -978,9 +1087,12 @@ 
 				'table_def' => $cal_table_def,
 			));
 
-			if (is_numeric($offset) && !$params['no_total'])	// get the total too
+			if (is_numeric($offset) && !$params['no_total'])
+			{
+				// get the total too
 			{
 				$save_selects = $selects;
+			}
 				// we only select cal_table.cal_id (and not cal_table.*) to be able to use DISTINCT (eg. MsSQL does not allow it for text-columns)
 				$selects[0]['cols'] = "$this->cal_table.cal_id,cal_start";
 				if (!isset($params['cols']) && !$params['no_integration'] && $this->db->capabilities['union'])
@@ -1008,7 +1120,10 @@ 
 		foreach($rs as $row)
 		{
 			$id = $row['cal_id'];
-			if (is_numeric($id)) $ids[] = $id;
+			if (is_numeric($id))
+			{
+				$ids[] = $id;
+			}
 
 			if ($row['cal_recur_date'])
 			{
@@ -1028,7 +1143,10 @@ 
 			$row['recur_exception'] = $row['alarm'] = array();
 
 			// compile a list of recurrences per cal_id
-			if (!in_array($id,(array)$recur_ids[$row['cal_id']])) $recur_ids[$row['cal_id']][] = $id;
+			if (!in_array($id,(array)$recur_ids[$row['cal_id']]))
+			{
+				$recur_ids[$row['cal_id']][] = $id;
+			}
 
 			$events[$id] = Api\Db::strip_array_keys($row,'cal_');
 		}
@@ -1047,10 +1165,16 @@ 
 					//'cal_id' => array_unique($ids),
 					'cal_recur_date' => $recur_dates,
 				),__LINE__,__FILE__,false,'ORDER BY cal_id,cal_user_type DESC,'.self::STATUS_SORT,'calendar',$num_rows,$join='',
-				$this->db->get_table_definitions('calendar',$this->user_table)) as $row)	// DESC puts users before resources and contacts
+				$this->db->get_table_definitions('calendar',$this->user_table)) as $row)
+			{
+				// DESC puts users before resources and contacts
 			{
 				$id = $row['cal_id'];
-				if ($row['cal_recur_date']) $id .= '-'.$row['cal_recur_date'];
+			}
+				if ($row['cal_recur_date'])
+				{
+					$id .= '-'.$row['cal_recur_date'];
+				}
 
 				// combine all participant data in uid and status values
 				$uid = self::combine_user($row['cal_user_type'], $row['cal_user_id'], $row['cal_user_attendee']);
@@ -1069,7 +1193,10 @@ 
 				}
 
 				// set data, if recurrence is requested
-				if (isset($events[$id])) $events[$id]['participants'][$uid] = $status;
+				if (isset($events[$id]))
+				{
+					$events[$id]['participants'][$uid] = $status;
+				}
 			}
 			// query recurrance exceptions, if needed: enum_recuring && !daywise is used in calendar_groupdav::get_series($uid,...)
 			if (!$params['enum_recuring'] || !$params['daywise'])
@@ -1085,7 +1212,10 @@ 
 					{
 						foreach($events as $id => $event)
 						{
-							if ($event['id'] == $row['cal_id']) break;
+							if ($event['id'] == $row['cal_id'])
+							{
+								break;
+							}
 						}
 					}
 					$events[$id]['recur_exception'][] = $row['cal_start'];
@@ -1095,7 +1225,10 @@ 
 			if (!is_null($params['cfs']))
 			{
 				$where = array('cal_id' => $ids);
-				if ($params['cfs']) $where['cal_extra_name'] = $params['cfs'];
+				if ($params['cfs'])
+				{
+					$where['cal_extra_name'] = $params['cfs'];
+				}
 				foreach($this->db->select($this->extra_table,'*',$where,
 					__LINE__,__FILE__,false,'','calendar') as $row)
 				{
@@ -1115,14 +1248,20 @@ 
 				{
 					$event_start = $alarm['time'] + $alarm['offset'];
 
-					if (isset($events[$cal_id]))	// none recuring event
+					if (isset($events[$cal_id]))
+					{
+						// none recuring event
 					{
 						$events[$cal_id]['alarm'][$id] = $alarm;
 					}
-					elseif (isset($events[$cal_id.'-'.$event_start]))	// recuring event
+					}
+					elseif (isset($events[$cal_id.'-'.$event_start]))
+					{
+						// recuring event
 					{
 						$events[$cal_id.'-'.$event_start]['alarm'][$id] = $alarm;
 					}
+					}
 				}
 			}
 		}
@@ -1222,10 +1361,13 @@ 
 			}
 			foreach((array)$cols as $col)
 			{
-				if (substr($col,0,7) == 'egw_cal')	// remove table name
+				if (substr($col,0,7) == 'egw_cal')
+				{
+					// remove table name
 				{
 					$col = preg_replace('/^egw_cal[a-z_]*\./','',$col);
 				}
+				}
 				if (isset($app_cols[$col]))
 				{
 					$return_cols[] = $app_cols[$col];
@@ -1319,7 +1461,11 @@ 
 		if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length']))
 		{
 			$minimum_uid_length = $GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length'];
-			if (empty($minimum_uid_length) || $minimum_uid_length<=1) $minimum_uid_length = 8; // we just do not accept no uid, or uid way to short!
+			if (empty($minimum_uid_length) || $minimum_uid_length<=1)
+			{
+				$minimum_uid_length = 8;
+			}
+			// we just do not accept no uid, or uid way to short!
 		}
 		else
 		{
@@ -1367,7 +1513,10 @@ 
 			}
 		}
 		// set range_start/_end, but only if we have cal_start/_end, as otherwise we destroy present values!
-		if (isset($event['cal_start'])) $event['range_start'] = $event['cal_start'];
+		if (isset($event['cal_start']))
+		{
+			$event['range_start'] = $event['cal_start'];
+		}
 		if (isset($event['cal_end']))
 		{
 			$event['range_end'] = $event['recur_type'] == MCAL_RECUR_NONE ? $event['cal_end'] :
@@ -1388,7 +1537,10 @@ 
 		$event['cal_category'] = implode(',',$categories);
 
 		// make sure recurring events never reference to an other recurrent event
-		if ($event['recur_type'] != MCAL_RECUR_NONE) $event['cal_reference'] = 0;
+		if ($event['recur_type'] != MCAL_RECUR_NONE)
+		{
+			$event['cal_reference'] = 0;
+		}
 
 		if ($cal_id)
 		{
@@ -1405,7 +1557,10 @@ 
 			{
 				$old_tz_id = $this->db->select($this->cal_table,'tz_id',$where,__LINE__,__FILE__,'calendar')->fetchColumn();
 			}
-			if (!is_null($etag)) $where['cal_etag'] = $etag;
+			if (!is_null($etag))
+			{
+				$where['cal_etag'] = $etag;
+			}
 
 			unset($event['cal_etag']);
 			$event[] = 'cal_etag=cal_etag+1';	// always update the etag, even if none given to check
@@ -1416,14 +1571,24 @@ 
 			{
 				return 0;	// wrong etag, someone else updated the entry
 			}
-			if (!is_null($etag)) ++$etag;
+			if (!is_null($etag))
+			{
+				++$etag;
+			}
 		}
 		else
 		{
 			// new event
-			if (!$event['cal_owner']) $event['cal_owner'] = $GLOBALS['egw_info']['user']['account_id'];
+			if (!$event['cal_owner'])
+			{
+				$event['cal_owner'] = $GLOBALS['egw_info']['user']['account_id'];
+			}
 
-			if (!$event['cal_id'] && !isset($event['cal_uid'])) $event['cal_uid'] = '';	// uid is NOT NULL!
+			if (!$event['cal_id'] && !isset($event['cal_uid']))
+			{
+				$event['cal_uid'] = '';
+			}
+			// uid is NOT NULL!
 
 			$this->db->insert($this->cal_table,$event,false,__LINE__,__FILE__,'calendar');
 			if (!($cal_id = $this->db->get_last_insert_id($this->cal_table,'cal_id')))
@@ -1575,8 +1740,7 @@ 
 					// recurrences need to be truncated
 					if((int)$event['recur_enddate'] > 0 &&
 						((int)$old_repeats['recur_enddate'] == 0 || (int)$old_repeats['recur_enddate'] > (int)$event['recur_enddate'])
-					)
-					{
+					) {
 						$this->db->delete($this->user_table,array('cal_id' => $cal_id,'cal_recur_date >= '.($event['recur_enddate'] + 1*DAY_s)),__LINE__,__FILE__,'calendar');
 						$this->db->delete($this->dates_table,array('cal_id' => $cal_id,'cal_start >= '.($event['recur_enddate'] + 1*DAY_s)),__LINE__,__FILE__,'calendar');
 					}
@@ -1584,8 +1748,7 @@ 
 					// recurrences need to be expanded
 					if(((int)$event['recur_enddate'] == 0 && (int)$old_repeats['recur_enddate'] > 0)
 						|| ((int)$event['recur_enddate'] > 0 && (int)$old_repeats['recur_enddate'] > 0 && (int)$old_repeats['recur_enddate'] < (int)$event['recur_enddate'])
-					)
-					{
+					) {
 						$set_recurrences = true;
 						$set_recurrences_start = ($old_repeats['recur_enddate'] + 1*DAY_s);
 					}
@@ -1732,12 +1895,18 @@ 
 	{
 		//echo "<p>socal::move($cal_id,$start,$end,$change_since,$old_start,$old_end)</p>\n";
 
-		if (!(int) $cal_id) return false;
+		if (!(int) $cal_id)
+		{
+			return false;
+		}
 
 		if (!$old_start)
 		{
-			if ($change_since !== false) $row = $this->db->select($this->dates_table,'MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end',
+			if ($change_since !== false)
+			{
+				$row = $this->db->select($this->dates_table,'MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end',
 				array('cal_id'=>$cal_id),__LINE__,__FILE__,false,'','calendar')->fetch();
+			}
 			// if no recurrence found, create one with the new dates
 			if ($change_since === false || !$row || !$row['cal_start'] || !$row['cal_end'])
 			{
@@ -1839,7 +2008,10 @@ 
 			$user_type = $uid[0];
 			$email = substr($uid, 1);
 			$matches = null;
-			if (preg_match('/<([^<>]+)>$/', $email, $matches)) $email = $matches[1];
+			if (preg_match('/<([^<>]+)>$/', $email, $matches))
+			{
+				$email = $matches[1];
+			}
 			$user_id = md5(trim(strtolower($email)));
 		}
 		else
@@ -1859,8 +2031,14 @@ 
 	 */
 	static function combine_status($status,$quantity=1,$role='REQ-PARTICIPANT')
 	{
-		if ((int)$quantity > 1) $status .= (int)$quantity;
-		if ($role != 'REQ-PARTICIPANT') $status .= $role;
+		if ((int)$quantity > 1)
+		{
+			$status .= (int)$quantity;
+		}
+		if ($role != 'REQ-PARTICIPANT')
+		{
+			$status .= $role;
+		}
 
 		return $status;
 	}
@@ -1881,8 +2059,14 @@ 
 		$matches = null;
 		if (is_string($status) && strlen($status) > 1 && preg_match('/^.([0-9]*)(.*)$/',$status,$matches))
 		{
-			if ((int)$matches[1] > 0) $quantity = (int)$matches[1];
-			if ($matches[2]) $role = $matches[2];
+			if ((int)$matches[1] > 0)
+			{
+				$quantity = (int)$matches[1];
+			}
+			if ($matches[2])
+			{
+				$role = $matches[2];
+			}
 			$status = $status[0];
 		}
 		elseif ($status === true)
@@ -1993,9 +2177,13 @@ 
 			}
 		}
 
-		if (count($participants))	// participants which need to be added
+		if (count($participants))
+		{
+			// participants which need to be added
 		{
-			if (!count($recurrences)) $recurrences[] = 0;   // insert the default recurrence
+			if (!count($recurrences)) $recurrences[] = 0;
+		}
+		// insert the default recurrence
 
 			$delete_deleted = array();
 
@@ -2067,7 +2255,10 @@ 
 			return false;
 		}
 
-		if (is_numeric($status)) $status = $status_code_short[$status];
+		if (is_numeric($status))
+		{
+			$status = $status_code_short[$status];
+		}
 
 		$uid = self::combine_user($user_type, $user_id);
 		$user_id_md5 = null;
@@ -2087,16 +2278,25 @@ 
 			$where[] = '(cal_recur_date=0 OR cal_recur_date >= '.time().')';
 		}
 
-		if ($status == 'G')		// remove group invitations, as we dont store them in the db
+		if ($status == 'G')
+		{
+			// remove group invitations, as we dont store them in the db
 		{
 			$this->db->delete($this->user_table,$where,__LINE__,__FILE__,'calendar');
+		}
 			$ret = $this->db->affected_rows();
 		}
 		else
 		{
 			$set = array('cal_status' => $status);
-			if ($user_type == 'e' || $attendee) $set['cal_user_attendee'] = $attendee ? $attendee : $user_id;
-			if (!is_null($role) && $role != 'REQ-PARTICIPANT') $set['cal_role'] = $role;
+			if ($user_type == 'e' || $attendee)
+			{
+				$set['cal_user_attendee'] = $attendee ? $attendee : $user_id;
+			}
+			if (!is_null($role) && $role != 'REQ-PARTICIPANT')
+			{
+				$set['cal_role'] = $role;
+			}
 			$this->db->insert($this->user_table,$set,$where,__LINE__,__FILE__,'calendar');
 			// for new or changed group-invitations, remove previously deleted members, so they show up again
 			if (($ret = $this->db->affected_rows()) && $user_type == 'u' && $user_id < 0)
@@ -2129,7 +2329,10 @@ 
 	{
 		//error_log(__METHOD__."($cal_id, $start, $end, ".array2string($participants).", ".array2string($exception));
 		$update = array('cal_end' => $end);
-		if (isset($exception)) $update['recur_exception'] = $exception;
+		if (isset($exception))
+		{
+			$update['recur_exception'] = $exception;
+		}
 
 		$this->db->insert($this->dates_table, $update, array(
 			'cal_id' => $cal_id,
@@ -2144,7 +2347,11 @@ 
 		{
 			foreach($participants as $uid => $status)
 			{
-				if ($status == 'G') continue;	// dont save group-invitations
+				if ($status == 'G')
+				{
+					continue;
+				}
+				// dont save group-invitations
 
 				$type = '';
 				$id = null;
@@ -2373,7 +2580,10 @@ 
 		}
 		$alarm['cal_id'] = $cal_id;		// we need the back-reference
 		// add an alarm uid, if none is given
-		if (empty($alarm['uid']) && class_exists('Horde_Support_Uuid')) $alarm['uid'] = (string)new Horde_Support_Uuid;
+		if (empty($alarm['uid']) && class_exists('Horde_Support_Uuid'))
+		{
+			$alarm['uid'] = (string)new Horde_Support_Uuid;
+		}
 		//error_log(__METHOD__.__LINE__.' Save Alarm for CalID:'.$cal_id.'->'.array2string($alarm).'-->'.$id.'#'.function_backtrace());
 		// allways store job with the alarm owner as job-owner to get eg. the correct from address
 		if (!$this->async->set_timer($alarm['time'],$id,'calendar.calendar_boupdate.send_alarm',$alarm,$alarm['owner']))
@@ -2382,10 +2592,16 @@ 
 		}
 
 		// update the modification information of the related event
-		if ($update_modified) $this->updateModified($cal_id, true);
+		if ($update_modified)
+		{
+			$this->updateModified($cal_id, true);
+		}
 
 		// update cache, if used
-		if (isset(self::$alarm_cache)) $this->read_alarms($cal_id, true);
+		if (isset(self::$alarm_cache))
+		{
+			$this->read_alarms($cal_id, true);
+		}
 
 		return $id;
 	}
@@ -2408,7 +2624,10 @@ 
 				$this->async->cancel_timer($id);
 			}
 			// update cache, if used
-			if (isset(self::$alarm_cache)) $this->read_alarms($cal_id, false);
+			if (isset(self::$alarm_cache))
+			{
+				$this->read_alarms($cal_id, false);
+			}
 		}
 		return count($alarms);
 	}
@@ -2431,7 +2650,10 @@ 
 		$ret = $this->async->cancel_timer($id);
 
 		// update cache, if used
-		if (isset(self::$alarm_cache)) $this->read_alarms($cal_id, true);
+		if (isset(self::$alarm_cache))
+		{
+			$this->read_alarms($cal_id, true);
+		}
 
 		return $ret;
 	}
@@ -2455,11 +2677,14 @@ 
 			$user_id = null;
 			self::split_user($old_user,$user_type,$user_id);
 
-			if ($user_type == 'u')	// only accounts can be owners of events
+			if ($user_type == 'u')
+			{
+				// only accounts can be owners of events
 			{
 				foreach($this->db->select($this->cal_table,'cal_id',array('cal_owner' => $old_user),__LINE__,__FILE__,false,'','calendar') as $row)
 				{
 					$this->delete($row['cal_id']);
+			}
 				}
 			}
 			$this->db->delete($this->user_table,array(
@@ -2487,11 +2712,14 @@ 
 			{
 				$ids[] = $row['cal_id'];
 			}
-			if ($ids) $this->db->delete($this->user_table,array(
+			if ($ids)
+			{
+				$this->db->delete($this->user_table,array(
 				'cal_user_type' => 'u',
 				'cal_user_id' => $old_user,
 				'cal_id' => $ids,
 			),__LINE__,__FILE__,'calendar');
+			}
 			// now change participant in the rest to contain new user instead of old user
 			$this->db->update($this->user_table,array(
 				'cal_user_id' => $new_user,
@@ -2516,8 +2744,14 @@ 
 	{
 		$participant_status = array();
 		$where = array('cal_id' => $cal_id);
-		if ($start != 0 && $end == 0) $where[] = '(cal_recur_date = 0 OR cal_recur_date >= ' . (int)$start . ')';
-		if ($start == 0 && $end != 0) $where[] = '(cal_recur_date = 0 OR cal_recur_date <= ' . (int)$end . ')';
+		if ($start != 0 && $end == 0)
+		{
+			$where[] = '(cal_recur_date = 0 OR cal_recur_date >= ' . (int)$start . ')';
+		}
+		if ($start == 0 && $end != 0)
+		{
+			$where[] = '(cal_recur_date = 0 OR cal_recur_date <= ' . (int)$end . ')';
+		}
 		if ($start != 0 && $end != 0)
 		{
 			$where[] = '(cal_recur_date = 0 OR (cal_recur_date >= ' . (int)$start .
@@ -2528,7 +2762,10 @@ 
 			// inititalize the array
 			$participant_status[$row['cal_recur_date']] = null;
 		}
-		if (is_null($uid)) return $participant_status;
+		if (is_null($uid))
+		{
+			return $participant_status;
+		}
 		$user_type = $user_id = null;
 		self::split_user($uid, $user_type, $user_id, true);
 
@@ -2537,8 +2774,14 @@ 
 			'cal_user_type'	=> $user_type ? $user_type : 'u',
 			'cal_user_id'   => $user_id,
 		);
-		if ($start != 0 && $end == 0) $where2[] = '(cal_recur_date = 0 OR cal_recur_date >= ' . (int)$start . ')';
-		if ($start == 0 && $end != 0) $where2[] = '(cal_recur_date = 0 OR cal_recur_date <= ' . (int)$end . ')';
+		if ($start != 0 && $end == 0)
+		{
+			$where2[] = '(cal_recur_date = 0 OR cal_recur_date >= ' . (int)$start . ')';
+		}
+		if ($start == 0 && $end != 0)
+		{
+			$where2[] = '(cal_recur_date = 0 OR cal_recur_date <= ' . (int)$end . ')';
+		}
 		if ($start != 0 && $end != 0)
 		{
 			$where2[] = '(cal_recur_date = 0 OR (cal_recur_date >= ' . (int)$start .
@@ -2628,17 +2871,26 @@ 
 	 */
 	function get_recurrence_exceptions($event, $tz_id=null, $start=0, $end=0, $filter='all')
 	{
-		if (!is_array($event)) return false;
+		if (!is_array($event))
+		{
+			return false;
+		}
 		$cal_id = (int) $event['id'];
 		//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
 		//		"($cal_id, $tz_id, $filter): " . $event['tzid']);
-		if (!$cal_id || $event['recur_type'] == MCAL_RECUR_NONE) return false;
+		if (!$cal_id || $event['recur_type'] == MCAL_RECUR_NONE)
+		{
+			return false;
+		}
 
 		$days = array();
 
 		$expand_all = (!$this->isWholeDay($event) && $tz_id && $tz_id != $event['tzid']);
 
-		if ($filter == 'tz_only' && !$expand_all) return $days;
+		if ($filter == 'tz_only' && !$expand_all)
+		{
+			return $days;
+		}
 
 		$remote = in_array($filter, array('tz_rrule', 'rrule'));
 
@@ -2681,7 +2933,10 @@ 
 					$remote_rrule->next_no_exception();
 				}
 				$egw_rrule->next_no_exception();
-				if (!$egw_rrule->valid()) return $days;
+				if (!$egw_rrule->valid())
+				{
+					return $days;
+				}
 			}
 			$day = $egw_rrule->current();
 			$locts = (int)Api\DateTime::to($day,'server');
@@ -2835,7 +3090,11 @@ 
 			}
 		}
 
-		if (empty($participants)) return false; // occurrence does not exist at all yet
+		if (empty($participants))
+		{
+			return false;
+		}
+		// occurrence does not exist at all yet
 
 		foreach ($recurrence_zero as $uid => $status)
 		{
@@ -2892,7 +3151,9 @@ 
 			}
 			if (!isset($participants[$uid])
 				|| $participants[$uid] != $status)
-				return true;
+			{
+							return true;
+			}
 			unset($participants[$uid]);
 		}
 		return (!empty($participants));
@@ -2906,7 +3167,10 @@ 
 	 */
 	function isWholeDay($event)
 	{
-		if (!isset($event['start']) || !isset($event['end'])) return false;
+		if (!isset($event['start']) || !isset($event['end']))
+		{
+			return false;
+		}
 
 		if (empty($event['tzid']))
 		{
@@ -2968,8 +3232,14 @@ 
 	 */
 	function updateModified($id, $update_master=false, $time=null, $modifier=null)
 	{
-		if (is_null($time) || !$time) $time = time();
-		if (is_null($modifier)) $modifier = $GLOBALS['egw_info']['user']['account_id'];
+		if (is_null($time) || !$time)
+		{
+			$time = time();
+		}
+		if (is_null($modifier))
+		{
+			$modifier = $GLOBALS['egw_info']['user']['account_id'];
+		}
 
 		$this->db->update($this->cal_table,
 			array('cal_modified' => $time, 'cal_modifier' => $modifier),

Upper-Lower-Casing +8 added lines, -8 removed lines

@@ -252,7 +252,7 @@ 
 			"	CASE WHEN recur_type IS NULL THEN egw_cal.range_start ELSE cal_start END AS cal_start,\n".
 			"	CASE WHEN recur_type IS NULL THEN egw_cal.range_end ELSE cal_end END AS cal_end\n".
 			// using time-limited range view, instead of complete table, give a big performance plus
-			"FROM $egw_cal\n".
+			"from $egw_cal\n".
 			"JOIN egw_cal_user ON egw_cal_user.cal_id=egw_cal.cal_id\n".
 			// need to left join dates, as egw_cal_user.recur_date is null for non-recuring event
 			"LEFT JOIN egw_cal_dates ON egw_cal_user.cal_id=egw_cal_dates.cal_id AND egw_cal_dates.cal_start=egw_cal_user.cal_recur_date\n".
@@ -345,7 +345,7 @@ 
 			$where[] = 'cal_start >= '.(int)$recur_date;
 			$group_by = 'GROUP BY '.$cols;
 			$cols .= ',MIN(cal_start) AS cal_start,MIN(cal_end) AS cal_end';
-			$join = "JOIN $this->dates_table ON $this->cal_table.cal_id=$this->dates_table.cal_id $join";
+			$join = "join $this->dates_table ON $this->cal_table.cal_id=$this->dates_table.cal_id $join";
 		}
 		else
 		{
@@ -870,7 +870,7 @@ 
 		$cal_table = $this->cal_range_view($start, $end, null, $filter == 'everything' ? null : $filter != 'deleted');
 		$cal_table_def = $this->db->get_table_definitions('calendar', $this->cal_table);
 
-		$join = "JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id ".
+		$join = "join $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id ".
 			"LEFT JOIN $this->repeats_table ON $this->cal_table.cal_id=$this->repeats_table.cal_id ".
 			$rejected_by_user_join;
 		// dates table join only needed to enum recuring events, we use a time-range limited view here too
@@ -946,7 +946,7 @@ 
 				// we only select cal_table.cal_id (and not cal_table.*) to be able to use DISTINCT (eg. MsSQL does not allow it for text-columns)
 				foreach(array_keys($selects) as $key)
 				{
-					$selects[$key]['cols'] = "DISTINCT $this->repeats_table.recur_type,range_end AS recur_enddate,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,".$this->db->to_varchar($this->cal_table.'.cal_id').",cal_start,cal_end,$this->user_table.cal_recur_date";
+					$selects[$key]['cols'] = "distinct $this->repeats_table.recur_type,range_end AS recur_enddate,$this->repeats_table.recur_interval,$this->repeats_table.recur_data,".$this->db->to_varchar($this->cal_table.'.cal_id').",cal_start,cal_end,$this->user_table.cal_recur_date";
 					if (!$params['enum_recuring'])
 					{
 						$selects[$key]['cols'] = str_replace(array('cal_start','cal_end'),
@@ -1397,7 +1397,7 @@ 
 			{
 				$old_repeats = $this->db->select($this->repeats_table, "$this->repeats_table.*,range_end AS recur_enddate",
 					"$this->repeats_table.cal_id=".(int)$cal_id, __LINE__, __FILE__,
-					false, '', 'calendar', 0, "JOIN $this->cal_table ON $this->repeats_table.cal_id=$this->cal_table.cal_id")->fetch();
+					false, '', 'calendar', 0, "join $this->cal_table ON $this->repeats_table.cal_id=$this->cal_table.cal_id")->fetch();
 			}
 			$where = array('cal_id' => $cal_id);
 			// read only timezone id, to check if it is changed
@@ -1762,13 +1762,13 @@ 
 		if ($move_start)
 		{
 			// move the recur-date of the participants
-			$this->db->query("UPDATE $this->user_table SET cal_recur_date=cal_recur_date+$move_start WHERE $where AND cal_recur_date ".
+			$this->db->query("update $this->user_table SET cal_recur_date=cal_recur_date+$move_start WHERE $where AND cal_recur_date ".
 				((int)$change_since ? '>= '.(int)$change_since : '!= 0'),__LINE__,__FILE__);
 		}
 		if ($move_start || $move_end)
 		{
 			// move the event and it's recurrences
-			$this->db->query("UPDATE $this->dates_table SET cal_start=cal_start+$move_start,cal_end=cal_end+$move_end WHERE $where".
+			$this->db->query("update $this->dates_table SET cal_start=cal_start+$move_start,cal_end=cal_end+$move_end WHERE $where".
 				((int) $change_since ? ' AND cal_start >= '.(int) $change_since : ''),__LINE__,__FILE__);
 		}
 		return $this->db->affected_rows();
@@ -2468,7 +2468,7 @@ 
 			),__LINE__,__FILE__,'calendar');
 
 			// delete calendar entries without participants (can happen if the deleted user is the only participants, but not the owner)
-			foreach($this->db->select($this->cal_table,"DISTINCT $this->cal_table.cal_id",'cal_user_id IS NULL',__LINE__,__FILE__,
+			foreach($this->db->select($this->cal_table,"distinct $this->cal_table.cal_id",'cal_user_id IS NULL',__LINE__,__FILE__,
 				False,'','calendar',0,"LEFT JOIN $this->user_table ON $this->cal_table.cal_id=$this->user_table.cal_id") as $row)
 			{
 				$this->delete($row['cal_id']);