From bf8d96066ff80a8717420ac80e16b96d337e33c3 Mon Sep 17 00:00:00 2001
From: Chad Little <clittle@users.sourceforge.net>
Date: Mon, 30 Jun 2003 22:48:25 +0000
Subject: Multiple Calendar support.

---
 functions/ical_parser.php        | 1700 +++++++++++++++++++-------------------
 functions/init.inc.php           |   47 +-
 functions/list_icals.php         |   13 +-
 functions/overlapping_events.php |   12 +-
 4 files changed, 914 insertions(+), 858 deletions(-)

(limited to 'functions')

diff --git a/functions/ical_parser.php b/functions/ical_parser.php
index 34dbebc..98a1305 100644
--- a/functions/ical_parser.php
+++ b/functions/ical_parser.php
@@ -51,946 +51,968 @@ if ($is_webcal == false && $save_parsed_cals == 'yes') {
 }
 
 if ($parse_file) {	
-	// patch to speed up parser
-	
-	$ifile = fopen($filename, "r");
-	if ($ifile == FALSE) exit(error($error_invalidcal_lang, $filename));
-	$nextline = fgets($ifile, 1024);
-	if (trim($nextline) != 'BEGIN:VCALENDAR') exit(error($error_invalidcal_lang, $filename));
-	
-	// Set a value so we can check to make sure $master_array contains valid data
-	$master_array['-1'] = 'valid cal file';
-
-	// Set default calendar name - can be overridden by X-WR-CALNAME
-	$calendar_name = $cal_filename;
-	$master_array['calendar_name'] = $calendar_name;
-	
+// some initializations, that have to be outside the calnumber loop
 	// auxiliary array for determining overlaps of events
 	$overlap_array = array ();
-	
+		
 	// using $uid to set specific points in array, if $uid is not in the 
 	// .ics file, we need to have some unique place in the array
 	$uid_counter = 0;
+}
+
+$calnumber = 1;
+foreach ($cal_filelist as $filename) {
+
+	if ($parse_file) {	
+		// patch to speed up parser
 		
-// read file in line by line
-// XXX end line is skipped because of the 1-line readahead
-	while (!feof($ifile)) {
-		$line = $nextline;
+		$ifile = fopen($filename, "r");
+		if ($ifile == FALSE) exit(error($error_invalidcal_lang, $filename));
 		$nextline = fgets($ifile, 1024);
-		$nextline = ereg_replace("[\r\n]", "", $nextline);
-		while (substr($nextline, 0, 1) == " ") {
-			$line = $line . substr($nextline, 1);
+		if (trim($nextline) != 'BEGIN:VCALENDAR') exit(error($error_invalidcal_lang, $filename));
+		
+		// Set a value so we can check to make sure $master_array contains valid data
+		$master_array['-1'] = 'valid cal file';
+	
+		// Set default calendar name - can be overridden by X-WR-CALNAME
+		$calendar_name = $cal_filename;
+		$master_array['calendar_name'] = $calendar_name;
+		
+	// read file in line by line
+	// XXX end line is skipped because of the 1-line readahead
+		while (!feof($ifile)) {
+			$line = $nextline;
 			$nextline = fgets($ifile, 1024);
 			$nextline = ereg_replace("[\r\n]", "", $nextline);
-		}
-		$line = trim($line);
-		if ($line == 'BEGIN:VEVENT') {
-			// each of these vars were being set to an empty string
-			unset (
-				$start_time, $end_time, $start_date, $end_date, $summary, 
-				$allday_start, $allday_end, $start, $end, $the_duration, 
-				$beginning, $rrule_array, $start_of_vevent, $description, 
-				$valarm_description, $start_unixtime, $end_unixtime,
-				$recurrence_id, $uid, $class, $location
-			);
-				
-			$except_dates 	= array();
-			$except_times 	= array();
-			$first_duration = TRUE;
-			$count 			= 1000000;
-			$valarm_set 	= FALSE;
-			$attendee		= array();
-			$organizer	= array();
-			
-			unset(
-				$until, $bymonth, $byday, $bymonthday, $byweek, $byweekno, 
-				$byminute, $byhour, $bysecond, $byyearday, $bysetpos, $wkst,
-				$interval, $number
-			);
-			
-		} elseif ($line == 'END:VEVENT') {
-			
-			// CLASS support
-			if (isset($class)) {
-				if ($class == 'PRIVATE') {
-					$summary ='**PRIVATE**';
-					$description ='**PRIVATE**';
-				} elseif ($class == 'CONFIDENTIAL') {
-					$summary ='**CONFIDENTIAL**';
-					$description ='**CONFIDENTIAL**';
-				}
-			}	 
-			
-			// make sure we have some value for $uid
-			if (!isset($uid)) {
-				$uid = $uid_counter;
-				$uid_counter++;
-				$uid_valid = false;
-			} else {
-				$uid_valid = true;
-			}
-			
-			if ($uid_valid && isset($processed[$uid]) && isset($recurrence_id['date'])) {
-				$old_start_date = $processed[$uid][0];
-				$old_start_time = $processed[$uid][1];
-				$start_date_tmp = $recurrence_id['date'];
-				if (!isset($start_date)) $start_date = $old_start_date;
-				if (!isset($start_time)) $start_time = $master_array[$old_start_date][$old_start_time][$uid]['event_start'];
-				if (!isset($start_unixtime)) $start_unixtime = $master_array[$old_start_date][$old_start_time][$uid]['start_unixtime'];
-				if (!isset($end_unixtime)) $end_unixtime = $master_array[$old_start_date][$old_start_time][$uid]['end_unixtime'];
-				if (!isset($end_time)) $end_time = $master_array[$old_start_date][$old_start_time][$uid]['event_end'];
-				if (!isset($summary)) $summary = $master_array[$old_start_date][$old_start_time][$uid]['event_text'];
-				if (!isset($length)) $length = $master_array[$old_start_date][$old_start_time][$uid]['event_length'];
-				if (!isset($description)) $description = $master_array[$old_start_date][$old_start_time][$uid]['description'];
-				removeOverlap($start_date_tmp, $old_start_time, $uid);
-				if (isset($master_array[$start_date_tmp][$old_start_time])) unset($master_array[$start_date_tmp][$old_start_time]);
-				$write_processed = false;
-			} else {
-				$write_processed = true;
+			while (substr($nextline, 0, 1) == " ") {
+				$line = $line . substr($nextline, 1);
+				$nextline = fgets($ifile, 1024);
+				$nextline = ereg_replace("[\r\n]", "", $nextline);
 			}
-			
-			if (!isset($summary)) 		$summary = '';
-			if (!isset($description)) 	$description = '';
-			if (!isset($status)) 		$status = '';
-			if (!isset($class)) 		$class = '';
-			if (!isset($location)) 		$location = '';
-			
-			$mArray_begin = mktime (0,0,0,12,21,($this_year - 1));
-			$mArray_end = mktime (0,0,0,1,12,($this_year + 1));
-			
-			if (isset($start_time) && isset($end_time)) {
-				// Mozilla style all-day events or just really long events
-				if (($end_time - $start_time) > 2345) {
-					$allday_start = $start_date;
-					$allday_end = ($start_date + 1);
+			$line = trim($line);
+			if ($line == 'BEGIN:VEVENT') {
+				// each of these vars were being set to an empty string
+				unset (
+					$start_time, $end_time, $start_date, $end_date, $summary, 
+					$allday_start, $allday_end, $start, $end, $the_duration, 
+					$beginning, $rrule_array, $start_of_vevent, $description, 
+					$valarm_description, $start_unixtime, $end_unixtime,
+					$recurrence_id, $uid, $class, $location
+				);
+					
+				$except_dates 	= array();
+				$except_times 	= array();
+				$first_duration = TRUE;
+				$count 			= 1000000;
+				$valarm_set 	= FALSE;
+				$attendee		= array();
+				$organizer	= array();
+				
+				unset(
+					$until, $bymonth, $byday, $bymonthday, $byweek, $byweekno, 
+					$byminute, $byhour, $bysecond, $byyearday, $bysetpos, $wkst,
+					$interval, $number
+				);
+				
+			} elseif ($line == 'END:VEVENT') {
+				
+				// CLASS support
+				if (isset($class)) {
+					if ($class == 'PRIVATE') {
+						$summary ='**PRIVATE**';
+						$description ='**PRIVATE**';
+					} elseif ($class == 'CONFIDENTIAL') {
+						$summary ='**CONFIDENTIAL**';
+						$description ='**CONFIDENTIAL**';
+					}
+				}	 
+				
+				// make sure we have some value for $uid
+				if (!isset($uid)) {
+					$uid = $uid_counter;
+					$uid_counter++;
+					$uid_valid = false;
+				} else {
+					$uid_valid = true;
 				}
-			}
-			if (isset($start_unixtime,$end_unixtime) && date('d',$start_unixtime) != date('d',$end_unixtime)) {
-				$spans_day = true;
-			} else {
-				$spans_day = false;
-			}
-			if (isset($start_time) && $start_time != '') {
-				ereg ('([0-9]{2})([0-9]{2})', $start_time, $time);
-				ereg ('([0-9]{2})([0-9]{2})', $end_time, $time2);
-				if (isset($start_unixtime) && isset($end_unixtime)) {
-					$length = $end_unixtime - $start_unixtime;
+				
+				if ($uid_valid && isset($processed[$uid]) && isset($recurrence_id['date'])) {
+					$old_start_date = $processed[$uid][0];
+					$old_start_time = $processed[$uid][1];
+					$start_date_tmp = $recurrence_id['date'];
+					if (!isset($start_date)) $start_date = $old_start_date;
+					if (!isset($start_time)) $start_time = $master_array[$old_start_date][$old_start_time][$uid]['event_start'];
+					if (!isset($start_unixtime)) $start_unixtime = $master_array[$old_start_date][$old_start_time][$uid]['start_unixtime'];
+					if (!isset($end_unixtime)) $end_unixtime = $master_array[$old_start_date][$old_start_time][$uid]['end_unixtime'];
+					if (!isset($end_time)) $end_time = $master_array[$old_start_date][$old_start_time][$uid]['event_end'];
+					if (!isset($summary)) $summary = $master_array[$old_start_date][$old_start_time][$uid]['event_text'];
+					if (!isset($length)) $length = $master_array[$old_start_date][$old_start_time][$uid]['event_length'];
+					if (!isset($description)) $description = $master_array[$old_start_date][$old_start_time][$uid]['description'];
+					removeOverlap($start_date_tmp, $old_start_time, $uid);
+					if (isset($master_array[$start_date_tmp][$old_start_time][$uid])) {
+						unset($master_array[$start_date_tmp][$old_start_time][$uid]);  // SJBO added $uid twice here
+					}
+					$write_processed = false;
 				} else {
-					$length = ($time2[1]*60+$time2[2]) - ($time[1]*60+$time[2]);
+					$write_processed = true;
 				}
 				
-				$drawKey = drawEventTimes($start_time, $end_time);
-				ereg ('([0-9]{2})([0-9]{2})', $drawKey['draw_start'], $time3);
-				$hour = $time3[1];
-				$minute = $time3[2];
-			}
-
-			// RECURRENCE-ID Support
-			if (isset($recurrence_d)) {
+				if (!isset($summary)) 		$summary = '';
+				if (!isset($description)) 	$description = '';
+				if (!isset($status)) 		$status = '';
+				if (!isset($class)) 		$class = '';
+				if (!isset($location)) 		$location = '';
 				
-				$recurrence_delete["$recurrence_d"]["$recurrence_t"] = $uid;
-			}
+				$mArray_begin = mktime (0,0,0,12,21,($this_year - 1));
+				$mArray_end = mktime (0,0,0,1,12,($this_year + 1));
 				
-			// handle single changes in recurring events
-			// Maybe this is no longer need since done at bottom of parser? - CL 11/20/02
-			if ($uid_valid && $write_processed) {
-				if (!isset($hour)) $hour = 00;
-				if (!isset($minute)) $minute = 00;
-				$processed[$uid] = array($start_date,($hour.$minute));
-			}
-						
-			// Handling of the all day events
-			if ((isset($allday_start) && $allday_start != '')) {
-				$start = strtotime($allday_start);
-				if (isset($allday_end)) {
-					$end = strtotime($allday_end);
+				if (isset($start_time) && isset($end_time)) {
+					// Mozilla style all-day events or just really long events
+					if (($end_time - $start_time) > 2345) {
+						$allday_start = $start_date;
+						$allday_end = ($start_date + 1);
+					}
+				}
+				if (isset($start_unixtime,$end_unixtime) && date('d',$start_unixtime) != date('d',$end_unixtime)) {
+					$spans_day = true;
 				} else {
-					$end = strtotime('+1 day', $start);
+					$spans_day = false;
 				}
-				if (($end > $mArray_begin) && ($end < $mArray_end)) {
-					while ($start != $end) {
-						$start_date2 = date('Ymd', $start);
-						$master_array[($start_date2)][('-1')][$uid]= array ('event_text' => $summary, 'description' => $description);
-						$start = strtotime('+1 day', $start);
+				if (isset($start_time) && $start_time != '') {
+					ereg ('([0-9]{2})([0-9]{2})', $start_time, $time);
+					ereg ('([0-9]{2})([0-9]{2})', $end_time, $time2);
+					if (isset($start_unixtime) && isset($end_unixtime)) {
+						$length = $end_unixtime - $start_unixtime;
+					} else {
+						$length = ($time2[1]*60+$time2[2]) - ($time[1]*60+$time[2]);
 					}
-					if (!$write_processed) $master_array[($start_date)]['-1'][$uid]['exception'] = true;
+					
+					$drawKey = drawEventTimes($start_time, $end_time);
+					ereg ('([0-9]{2})([0-9]{2})', $drawKey['draw_start'], $time3);
+					$hour = $time3[1];
+					$minute = $time3[2];
 				}
-			}
-			
-			// Handling regular events
-			if ((isset($start_time) && $start_time != '') && (!isset($allday_start) || $allday_start == '')) {
-				if ($spans_day) {
-					$start_tmp = strtotime(date('Ymd',$start_unixtime));
-					$end_date_tmp = date('Ymd',$end_unixtime);
-					while ($start_tmp < $end_unixtime) {
-						$start_date_tmp = date('Ymd',$start_tmp);
-						if ($start_date_tmp == $start_date) {
-							$time_tmp = $hour.$minute;
-							$start_time_tmp = $start_time;
-						} else {
-							$time_tmp = '0000';
-							$start_time_tmp = '0000';
-						}
-						if ($start_date_tmp == $end_date_tmp) {
-							$end_time_tmp = $end_time;
-						} else {
-							$end_time_tmp = '2400';
-						}
-						$nbrOfOverlaps = checkOverlap($start_date_tmp, $start_time_tmp, $end_time_tmp, $uid);
-						$master_array[$start_date_tmp][$time_tmp][$uid] = array ('event_start' => $start_time_tmp, 'event_end' => $end_time_tmp, 'start_unixtime' => $start_unixtime, 'end_unixtime' => $end_unixtime, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => true, 'location' => $location, 'organizer' => serialize($organizer), 'attendee' => serialize($attendee) );
-						$start_tmp = strtotime('+1 day',$start_tmp);
-					}
-					if (!$write_processed) $master_array[$start_date][($hour.$minute)][$uid]['exception'] = true;
-				} else {
-					$nbrOfOverlaps = checkOverlap($start_date, $start_time, $end_time, $uid);
-					$master_array[($start_date)][($hour.$minute)][$uid] = array ('event_start' => $start_time, 'event_end' => $end_time, 'start_unixtime' => $start_unixtime, 'end_unixtime' => $end_unixtime, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => false, 'location' => $location, 'organizer' => serialize($organizer), 'attendee' => serialize($attendee) );
-					if (!$write_processed) $master_array[($start_date)][($hour.$minute)][$uid]['exception'] = true;
+	
+				// RECURRENCE-ID Support
+				if (isset($recurrence_d)) {
+					
+					$recurrence_delete["$recurrence_d"]["$recurrence_t"] = $uid;
 				}
-			}
-			
-			// Handling of the recurring events, RRULE
-			if (isset($rrule_array) && is_array($rrule_array)) {
-				if (isset($allday_start) && $allday_start != '') {
-					$hour = '-';
-					$minute = '1';
-					$rrule_array['START_DAY'] = $allday_start;
-					$rrule_array['END_DAY'] = $allday_end;
-					$rrule_array['END'] = 'end';
-					$recur_start = $allday_start;
-					$start_date = $allday_start;
+					
+				// handle single changes in recurring events
+				// Maybe this is no longer need since done at bottom of parser? - CL 11/20/02
+				if ($uid_valid && $write_processed) {
+					if (!isset($hour)) $hour = 00;
+					if (!isset($minute)) $minute = 00;
+					$processed[$uid] = array($start_date,($hour.$minute));
+				}
+							
+				// Handling of the all day events
+				if ((isset($allday_start) && $allday_start != '')) {
+					$start = strtotime($allday_start);
 					if (isset($allday_end)) {
-						$diff_allday_days = dayCompare($allday_end, $allday_start);
-					 } else {
-						$diff_allday_days = 1;
+						$end = strtotime($allday_end);
+					} else {
+						$end = strtotime('+1 day', $start);
+					}
+					if (($end > $mArray_begin) && ($end < $mArray_end)) {
+						while ($start != $end) {
+							$start_date2 = date('Ymd', $start);
+							$master_array[($start_date2)][('-1')][$uid]= array ('event_text' => $summary, 'description' => $description, 'calnumber' => $calnumber);
+							$start = strtotime('+1 day', $start);
+						}
+						if (!$write_processed) $master_array[($start_date)]['-1'][$uid]['exception'] = true;
 					}
-				} else {
-					$rrule_array['START_DATE'] = $start_date;
-					$rrule_array['START_TIME'] = $start_time;
-					$rrule_array['END_TIME'] = $end_time;
-					$rrule_array['END'] = 'end';
-				}
-				
-				$start_date_time = strtotime($start_date);
-				$this_month_start_time = strtotime($this_year.$this_month.'01');
-				if ($save_parsed_cals == 'yes' && !$is_webcal) {
-					$start_range_time = strtotime($this_year.'-01-01 -1 month -2 days');
-					$end_range_time = strtotime($this_year.'-12-31 +1 month +2 days');
-				} else {
-					$start_range_time = strtotime('-1 month -2 day', $this_month_start_time);
-					$end_range_time = strtotime('+2 month +2 day', $this_month_start_time);
 				}
 				
-				foreach ($rrule_array as $key => $val) {
-					switch($key) {
-						case 'FREQ':
-							switch ($val) {
-								case 'YEARLY':		$freq_type = 'year';	break;
-								case 'MONTHLY':		$freq_type = 'month';	break;
-								case 'WEEKLY':		$freq_type = 'week';	break;
-								case 'DAILY':		$freq_type = 'day';		break;
-								case 'HOURLY':		$freq_type = 'hour';	break;
-								case 'MINUTELY':	$freq_type = 'minute';	break;
-								case 'SECONDLY':	$freq_type = 'second';	break;
+				// Handling regular events
+				if ((isset($start_time) && $start_time != '') && (!isset($allday_start) || $allday_start == '')) {
+					if ($spans_day) {
+						$start_tmp = strtotime(date('Ymd',$start_unixtime));
+						$end_date_tmp = date('Ymd',$end_unixtime);
+						while ($start_tmp < $end_unixtime) {
+							$start_date_tmp = date('Ymd',$start_tmp);
+							if ($start_date_tmp == $start_date) {
+								$time_tmp = $hour.$minute;
+								$start_time_tmp = $start_time;
+							} else {
+								$time_tmp = '0000';
+								$start_time_tmp = '0000';
 							}
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = strtolower($val);
-							break;
-						case 'COUNT':
-							$count = $val;
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $count;
-							break;
-						case 'UNTIL':
-							$until = ereg_replace('T', '', $val);
-							$until = ereg_replace('Z', '', $until);
-							ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $until, $regs);
-							$year = $regs[1];
-							$month = $regs[2];
-							$day = $regs[3];
-							$until = mktime(0,0,0,$month,$day,$year);
-							if (ereg('^([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2})([0-9]{2})([0-9]{2})$', $val)) {
-								// RFC 2445 says that if an UNTIL has a date-time value,
-								// it MUST be in UTC (i.e. trailing Z).  iCal tends to
-								// put an end date on the next day early in the morning,
-								// not in UTC time, so we try to correct for it.
-								//
-								// Bill's guess: iCal stores the UNTIL internally as
-								// 23:59:59 UTC, then accidentally converts that to local
-								// time when exporting the event.  Thus, if the UNTIL time
-								// is before noon, it is a day ahead; if it's after noon
-								// it's the right day.
-								if ($regs[4] < 12)
-									$until = strtotime('-1 day', $until);
+							if ($start_date_tmp == $end_date_tmp) {
+								$end_time_tmp = $end_time;
+							} else {
+								$end_time_tmp = '2400';
 							}
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = localizeDate($dateFormat_week,$until);
-							break;
-						case 'INTERVAL':
-							$number = $val;
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $number;
-							break;
-						case 'BYSECOND':
-							$bysecond = $val;
-							$bysecond = split (',', $bysecond);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysecond;
-							break;
-						case 'BYMINUTE':
-							$byminute = $val;
-							$byminute = split (',', $byminute);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byminute;
-							break;
-						case 'BYHOUR':
-							$byhour = $val;
-							$byhour = split (',', $byhour);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byhour;
-							break;
-						case 'BYDAY':
-							$byday = $val;
-							$byday = split (',', $byday);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byday;
-							break;
-						case 'BYMONTHDAY':
-							$bymonthday = $val;
-							$bymonthday = split (',', $bymonthday);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonthday;
-							break;					
-						case 'BYYEARDAY':
-							$byyearday = $val;
-							$byyearday = split (',', $byyearday);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byyearday;
-							break;
-						case 'BYWEEKNO':
-							$byweekno = $val;
-							$byweekno = split (',', $byweekno);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byweekno;
-							break;
-						case 'BYMONTH':
-							$bymonth = $val;
-							$bymonth = split (',', $bymonth);
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonth;
-							break;
-						case 'BYSETPOS':
-							$bysetpos = $val;
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysetpos;
-							break;
-						case 'WKST':
-							$wkst = $val;
-							$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $wkst;
-							break;
-						case 'END':
+							$nbrOfOverlaps = checkOverlap($start_date_tmp, $start_time_tmp, $end_time_tmp, $uid);
+							$master_array[$start_date_tmp][$time_tmp][$uid] = array ('event_start' => $start_time_tmp, 'event_end' => $end_time_tmp, 'start_unixtime' => $start_unixtime, 'end_unixtime' => $end_unixtime, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => true, 'location' => $location, 'organizer' => serialize($organizer), 'attendee' => serialize($attendee) );
+							$start_tmp = strtotime('+1 day',$start_tmp);
+						}
+						if (!$write_processed) $master_array[$start_date][($hour.$minute)][$uid]['exception'] = true;
+					} else {
+						$nbrOfOverlaps = checkOverlap($start_date, $start_time, $end_time, $uid);
+						$master_array[($start_date)][($hour.$minute)][$uid] = array ('event_start' => $start_time, 'event_end' => $end_time, 'start_unixtime' => $start_unixtime, 'end_unixtime' => $end_unixtime, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => false, 'location' => $location, 'organizer' => serialize($organizer), 'attendee' => serialize($attendee), 'calnumber' => $calnumber );
+						if (!$write_processed) $master_array[($start_date)][($hour.$minute)][$uid]['exception'] = true;
+					}
+				}
+				
+				// Handling of the recurring events, RRULE
+				if (isset($rrule_array) && is_array($rrule_array)) {
+					if (isset($allday_start) && $allday_start != '') {
+						$hour = '-';
+						$minute = '1';
+						$rrule_array['START_DAY'] = $allday_start;
+						$rrule_array['END_DAY'] = $allday_end;
+						$rrule_array['END'] = 'end';
+						$recur_start = $allday_start;
+						$start_date = $allday_start;
+						if (isset($allday_end)) {
+							$diff_allday_days = dayCompare($allday_end, $allday_start);
+						 } else {
+							$diff_allday_days = 1;
+						}
+					} else {
+						$rrule_array['START_DATE'] = $start_date;
+						$rrule_array['START_TIME'] = $start_time;
+						$rrule_array['END_TIME'] = $end_time;
+						$rrule_array['END'] = 'end';
+					}
 					
-						// if $until isn't set yet, we set it to the end of our range we're looking at
-						if (!isset($until)) $until = $end_range_time;
-						$end_date_time = $until;
-						$start_range_time_tmp = $start_range_time;
-						$end_range_time_tmp = $end_range_time;
-						
-						// If the $end_range_time is less than the $start_date_time, or $start_range_time is greater
-						// than $end_date_time, we may as well forget the whole thing
-						// It doesn't do us any good to spend time adding data we aren't even looking at
-						// this will prevent the year view from taking way longer than it needs to
-						if ($end_range_time_tmp >= $start_date_time && $start_range_time_tmp <= $end_date_time) {
+					$start_date_time = strtotime($start_date);
+					$this_month_start_time = strtotime($this_year.$this_month.'01');
+					if ($save_parsed_cals == 'yes' && !$is_webcal) {
+						$start_range_time = strtotime($this_year.'-01-01 -1 month -2 days');
+						$end_range_time = strtotime($this_year.'-12-31 +1 month +2 days');
+					} else {
+						$start_range_time = strtotime('-1 month -2 day', $this_month_start_time);
+						$end_range_time = strtotime('+2 month +2 day', $this_month_start_time);
+					}
+					
+					foreach ($rrule_array as $key => $val) {
+						switch($key) {
+							case 'FREQ':
+								switch ($val) {
+									case 'YEARLY':		$freq_type = 'year';	break;
+									case 'MONTHLY':		$freq_type = 'month';	break;
+									case 'WEEKLY':		$freq_type = 'week';	break;
+									case 'DAILY':		$freq_type = 'day';		break;
+									case 'HOURLY':		$freq_type = 'hour';	break;
+									case 'MINUTELY':	$freq_type = 'minute';	break;
+									case 'SECONDLY':	$freq_type = 'second';	break;
+								}
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = strtolower($val);
+								break;
+							case 'COUNT':
+								$count = $val;
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $count;
+								break;
+							case 'UNTIL':
+								$until = ereg_replace('T', '', $val);
+								$until = ereg_replace('Z', '', $until);
+								ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $until, $regs);
+								$year = $regs[1];
+								$month = $regs[2];
+								$day = $regs[3];
+								$until = mktime(0,0,0,$month,$day,$year);
+								if (ereg('^([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2})([0-9]{2})([0-9]{2})$', $val)) {
+									// RFC 2445 says that if an UNTIL has a date-time value,
+									// it MUST be in UTC (i.e. trailing Z).  iCal tends to
+									// put an end date on the next day early in the morning,
+									// not in UTC time, so we try to correct for it.
+									//
+									// Bill's guess: iCal stores the UNTIL internally as
+									// 23:59:59 UTC, then accidentally converts that to local
+									// time when exporting the event.  Thus, if the UNTIL time
+									// is before noon, it is a day ahead; if it's after noon
+									// it's the right day.
+									if ($regs[4] < 12)
+										$until = strtotime('-1 day', $until);
+								}
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = localizeDate($dateFormat_week,$until);
+								break;
+							case 'INTERVAL':
+								$number = $val;
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $number;
+								break;
+							case 'BYSECOND':
+								$bysecond = $val;
+								$bysecond = split (',', $bysecond);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysecond;
+								break;
+							case 'BYMINUTE':
+								$byminute = $val;
+								$byminute = split (',', $byminute);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byminute;
+								break;
+							case 'BYHOUR':
+								$byhour = $val;
+								$byhour = split (',', $byhour);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byhour;
+								break;
+							case 'BYDAY':
+								$byday = $val;
+								$byday = split (',', $byday);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byday;
+								break;
+							case 'BYMONTHDAY':
+								$bymonthday = $val;
+								$bymonthday = split (',', $bymonthday);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonthday;
+								break;					
+							case 'BYYEARDAY':
+								$byyearday = $val;
+								$byyearday = split (',', $byyearday);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byyearday;
+								break;
+							case 'BYWEEKNO':
+								$byweekno = $val;
+								$byweekno = split (',', $byweekno);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byweekno;
+								break;
+							case 'BYMONTH':
+								$bymonth = $val;
+								$bymonth = split (',', $bymonth);
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonth;
+								break;
+							case 'BYSETPOS':
+								$bysetpos = $val;
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysetpos;
+								break;
+							case 'WKST':
+								$wkst = $val;
+								$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $wkst;
+								break;
+							case 'END':
 						
-							// if the beginning of our range is less than the start of the item, we may as well set it equal to it
-							if ($start_range_time_tmp < $start_date_time) $start_range_time_tmp = $start_date_time;
-							if ($end_range_time_tmp > $end_date_time) $end_range_time_tmp = $end_date_time;
-				
-							// initialze the time we will increment
-							$next_range_time = $start_range_time_tmp;
+							// if $until isn't set yet, we set it to the end of our range we're looking at
+							if (!isset($until)) $until = $end_range_time;
+							$end_date_time = $until;
+							$start_range_time_tmp = $start_range_time;
+							$end_range_time_tmp = $end_range_time;
 							
-							$count_to = 0;
-							// start at the $start_range and go until we hit the end of our range.
-							while (($next_range_time >= $start_range_time_tmp) && ($next_range_time <= $end_range_time_tmp) && ($count_to != $count)) {
-								$func = $freq_type.'Compare';
-								$diff = $func(date('Ymd',$next_range_time), $start_date);
-								if ($diff < $count) {
-									if ($diff % $number == 0) {
-										$interval = $number;
-										switch ($rrule_array['FREQ']) {
-											case 'DAILY':
-												$next_date_time = $next_range_time;
-												$recur_data[] = $next_date_time;
-												break;
-											case 'WEEKLY':
-												if (is_array($byday)) {
-													// loop through the days on which this event happens
-													foreach($byday as $day) {
-														// use my fancy little function to get the date of each day
-														$day = two2threeCharDays($day);														
-														$next_date = dateOfWeek(date('Ymd', $next_range_time),$day);
-														$next_date_time = strtotime($next_date);
-														$recur_data[] = $next_date_time;
-													}
-												}
-												break;
-											case 'MONTHLY':
-												$next_range_time = strtotime(date('Y-m-01', $next_range_time));
-												// month has two cases, either $bymonthday or $byday
-												if (is_array($bymonthday)) {
-													// loop through the days on which this event happens
-													foreach($bymonthday as $day) {
-														$year = date('Y', $next_range_time);
-														$month = date('m', $next_range_time);
-														if (checkdate($month,$day,$year)) {
-															$next_date_time = mktime(0,0,0,$month,$day,$year);
+							// If the $end_range_time is less than the $start_date_time, or $start_range_time is greater
+							// than $end_date_time, we may as well forget the whole thing
+							// It doesn't do us any good to spend time adding data we aren't even looking at
+							// this will prevent the year view from taking way longer than it needs to
+							if ($end_range_time_tmp >= $start_date_time && $start_range_time_tmp <= $end_date_time) {
+							
+								// if the beginning of our range is less than the start of the item, we may as well set it equal to it
+								if ($start_range_time_tmp < $start_date_time) $start_range_time_tmp = $start_date_time;
+								if ($end_range_time_tmp > $end_date_time) $end_range_time_tmp = $end_date_time;
+					
+								// initialze the time we will increment
+								$next_range_time = $start_range_time_tmp;
+								
+								$count_to = 0;
+								// start at the $start_range and go until we hit the end of our range.
+								while (($next_range_time >= $start_range_time_tmp) && ($next_range_time <= $end_range_time_tmp) && ($count_to != $count)) {
+									$func = $freq_type.'Compare';
+									$diff = $func(date('Ymd',$next_range_time), $start_date);
+									if ($diff < $count) {
+										if ($diff % $number == 0) {
+											$interval = $number;
+											switch ($rrule_array['FREQ']) {
+												case 'DAILY':
+													$next_date_time = $next_range_time;
+													$recur_data[] = $next_date_time;
+													break;
+												case 'WEEKLY':
+													if (is_array($byday)) {
+														// loop through the days on which this event happens
+														foreach($byday as $day) {
+															// use my fancy little function to get the date of each day
+															$day = two2threeCharDays($day);														
+															$next_date = dateOfWeek(date('Ymd', $next_range_time),$day);
+															$next_date_time = strtotime($next_date);
 															$recur_data[] = $next_date_time;
 														}
 													}
-												// our other case
-												} else {
-													// loop through the days on which this event happens
-													foreach($byday as $day) {
-														ereg ('([-\+]{0,1})([0-9]{1})([A-Z]{2})', $day, $byday_arr);
-														$nth = $byday_arr[2]-1;
-														$on_day = two2threeCharDays($byday_arr[3]);
-														$on_day_num = two2threeCharDays($byday_arr[3],false);
-														if ($byday_arr[1] == '-') {
-															$last_day_tmp = date('t',$next_range_time);
-															$next_range_time = strtotime(date('Y-m-'.$last_day_tmp, $next_range_time));
-															$last_tmp = (date('w',$next_range_time) == $on_day_num) ? '' : 'last ';
-															$next_date_time = strtotime($last_tmp.$on_day.' -'.$nth.' week', $next_range_time);
-														} else {
-															$next_date_time = strtotime($on_day.' +'.$nth.' week', $next_range_time);
+													break;
+												case 'MONTHLY':
+													$next_range_time = strtotime(date('Y-m-01', $next_range_time));
+													// month has two cases, either $bymonthday or $byday
+													if (is_array($bymonthday)) {
+														// loop through the days on which this event happens
+														foreach($bymonthday as $day) {
+															$year = date('Y', $next_range_time);
+															$month = date('m', $next_range_time);
+															if (checkdate($month,$day,$year)) {
+																$next_date_time = mktime(0,0,0,$month,$day,$year);
+																$recur_data[] = $next_date_time;
+															}
 														}
-														$next_date = date('Ymd', $next_date_time);
-														$recur_data[] = $next_date_time;
-													}
-												}
-												break;
-											case 'YEARLY':
-												if (!isset($bymonth)) $bymonth[] = date('m', $start_date_time);
-												foreach($bymonth as $month) {
-													$year = date('Y', $next_range_time);
-													if ((isset($byday)) && (is_array($byday))) {
-														$checkdate_time = mktime(0,0,0,$month,1,$year);
+													// our other case
+													} else {
+														// loop through the days on which this event happens
 														foreach($byday as $day) {
 															ereg ('([-\+]{0,1})([0-9]{1})([A-Z]{2})', $day, $byday_arr);
 															$nth = $byday_arr[2]-1;
 															$on_day = two2threeCharDays($byday_arr[3]);
+															$on_day_num = two2threeCharDays($byday_arr[3],false);
 															if ($byday_arr[1] == '-') {
-																$last_day_tmp = date('t',$checkdate_time);
-																$checkdate_time = strtotime(date('Y-m-'.$last_day_tmp, $checkdate_time));
-																$last_tmp = (date('w',$checkdate_time) == $on_day_num) ? '' : 'last ';
-																$next_date_time = strtotime($last_tmp.$on_day.' -'.$nth.' week', $checkdate_time);
-															} else {															
-																$next_date_time = strtotime($on_day.' +'.$nth.' week', $checkdate_time);
+																$last_day_tmp = date('t',$next_range_time);
+																$next_range_time = strtotime(date('Y-m-'.$last_day_tmp, $next_range_time));
+																$last_tmp = (date('w',$next_range_time) == $on_day_num) ? '' : 'last ';
+																$next_date_time = strtotime($last_tmp.$on_day.' -'.$nth.' week', $next_range_time);
+															} else {
+																$next_date_time = strtotime($on_day.' +'.$nth.' week', $next_range_time);
 															}
+															$next_date = date('Ymd', $next_date_time);
+															$recur_data[] = $next_date_time;
 														}
-													} else {
-														$day = date('d', $start_date_time);
-														$next_date_time = mktime(0,0,0,$month,$day,$year);
 													}
-													$recur_data[] = $next_date_time;
-												}
-												break;
-											default:
-												// anything else we need to end the loop
-												$next_range_time = $end_range_time_tmp + 100;
-												$count_to = $count;
+													break;
+												case 'YEARLY':
+													if (!isset($bymonth)) $bymonth[] = date('m', $start_date_time);
+													foreach($bymonth as $month) {
+														$year = date('Y', $next_range_time);
+														if ((isset($byday)) && (is_array($byday))) {
+															$checkdate_time = mktime(0,0,0,$month,1,$year);
+															foreach($byday as $day) {
+																ereg ('([-\+]{0,1})([0-9]{1})([A-Z]{2})', $day, $byday_arr);
+																$nth = $byday_arr[2]-1;
+																$on_day = two2threeCharDays($byday_arr[3]);
+																if ($byday_arr[1] == '-') {
+																	$last_day_tmp = date('t',$checkdate_time);
+																	$checkdate_time = strtotime(date('Y-m-'.$last_day_tmp, $checkdate_time));
+																	$last_tmp = (date('w',$checkdate_time) == $on_day_num) ? '' : 'last ';
+																	$next_date_time = strtotime($last_tmp.$on_day.' -'.$nth.' week', $checkdate_time);
+																} else {															
+																	$next_date_time = strtotime($on_day.' +'.$nth.' week', $checkdate_time);
+																}
+															}
+														} else {
+															$day = date('d', $start_date_time);
+															$next_date_time = mktime(0,0,0,$month,$day,$year);
+														}
+														$recur_data[] = $next_date_time;
+													}
+													break;
+												default:
+													// anything else we need to end the loop
+													$next_range_time = $end_range_time_tmp + 100;
+													$count_to = $count;
+											}
+										} else {
+											$interval = 1;
 										}
+										$next_range_time = strtotime('+'.$interval.' '.$freq_type, $next_range_time);
 									} else {
-										$interval = 1;
+										// end the loop because we aren't going to write this event anyway
+										$count_to = $count;
 									}
-									$next_range_time = strtotime('+'.$interval.' '.$freq_type, $next_range_time);
-								} else {
-									// end the loop because we aren't going to write this event anyway
-									$count_to = $count;
-								}
-								// use the same code to write the data instead of always changing it 5 times						
-								if (isset($recur_data) && is_array($recur_data)) {
-									$recur_data_hour = substr($start_time,0,2);
-									$recur_data_minute = substr($start_time,2,2);
-									foreach($recur_data as $recur_data_time) {
-										$recur_data_year = date('Y', $recur_data_time);
-										$recur_data_month = date('m', $recur_data_time);
-										$recur_data_day = date('d', $recur_data_time);
-										$recur_data_date = $recur_data_year.$recur_data_month.$recur_data_day;
-										
-										if (($recur_data_time > $start_date_time) && ($recur_data_time <= $end_date_time) && ($count_to != $count) && !in_array($recur_data_date, $except_dates)) {
-											if (isset($allday_start) && $allday_start != '') {
-												$start_time2 = $recur_data_time;
-												$end_time2 = strtotime('+'.$diff_allday_days.' days', $recur_data_time);
-												while ($start_time2 < $end_time2) {
-													$start_date2 = date('Ymd', $start_time2);
-													$master_array[($start_date2)][('-1')][]= array ('event_text' => $summary, 'description' => $description);
-													$start_time2 = strtotime('+1 day', $start_time2);
-												}
-											} else {
-												$start_unixtime_tmp = mktime($recur_data_hour,$recur_data_minute,0,$recur_data_month,$recur_data_day,$recur_data_year);
-												$end_unixtime_tmp = $start_unixtime_tmp + $length;
-												
-												if ($spans_day) {
-													$start_tmp = strtotime(date('Ymd',$start_unixtime_tmp));
-													$end_date_tmp = date('Ymd',$end_unixtime_tmp);
-													while ($start_tmp < $end_unixtime_tmp) {
-														$start_date_tmp = date('Ymd',$start_tmp);
-														if ($start_date_tmp == $start_date) {
-															$time_tmp = $hour.$minute;
-															$start_time_tmp = $start_time;
-														} else {
-															$time_tmp = '0000';
-															$start_time_tmp = '0000';
-														}
-														if ($start_date_tmp == $end_date_tmp) {
-															$end_time_tmp = $end_time;
-														} else {
-															$end_time_tmp = '2400';
-														}
-														$nbrOfOverlaps = checkOverlap($start_date_tmp, $start_time_tmp, $end_time_tmp, $uid);
-														$master_array[$start_date_tmp][$time_tmp][$uid] = array ('event_start' => $start_time_tmp, 'event_end' => $end_time_tmp, 'start_unixtime' => $start_unixtime_tmp, 'end_unixtime' => $end_unixtime_tmp, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => true);
-														$start_tmp = strtotime('+1 day',$start_tmp);
+									// use the same code to write the data instead of always changing it 5 times						
+									if (isset($recur_data) && is_array($recur_data)) {
+										$recur_data_hour = substr($start_time,0,2);
+										$recur_data_minute = substr($start_time,2,2);
+										foreach($recur_data as $recur_data_time) {
+											$recur_data_year = date('Y', $recur_data_time);
+											$recur_data_month = date('m', $recur_data_time);
+											$recur_data_day = date('d', $recur_data_time);
+											$recur_data_date = $recur_data_year.$recur_data_month.$recur_data_day;
+											
+											if (($recur_data_time > $start_date_time) && ($recur_data_time <= $end_date_time) && ($count_to != $count) && !in_array($recur_data_date, $except_dates)) {
+												if (isset($allday_start) && $allday_start != '') {
+													$start_time2 = $recur_data_time;
+													$end_time2 = strtotime('+'.$diff_allday_days.' days', $recur_data_time);
+													while ($start_time2 < $end_time2) {
+														$start_date2 = date('Ymd', $start_time2);
+														$master_array[($start_date2)][('-1')][]= array ('event_text' => $summary, 'description' => $description, 'calnumber' => $calnumber);
+														$start_time2 = strtotime('+1 day', $start_time2);
 													}
 												} else {
-													$nbrOfOverlaps = checkOverlap($recur_data_date, $start_time, $end_time, $uid);
-													$master_array[($recur_data_date)][($hour.$minute)][$uid] = array ('event_start' => $start_time, 'event_end' => $end_time, 'start_unixtime' => $start_unixtime_tmp, 'end_unixtime' => $end_unixtime_tmp, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => false);
+													$start_unixtime_tmp = mktime($recur_data_hour,$recur_data_minute,0,$recur_data_month,$recur_data_day,$recur_data_year);
+													$end_unixtime_tmp = $start_unixtime_tmp + $length;
+													
+													if ($spans_day) {
+														$start_tmp = strtotime(date('Ymd',$start_unixtime_tmp));
+														$end_date_tmp = date('Ymd',$end_unixtime_tmp);
+														while ($start_tmp < $end_unixtime_tmp) {
+															$start_date_tmp = date('Ymd',$start_tmp);
+															if ($start_date_tmp == $start_date) {
+																$time_tmp = $hour.$minute;
+																$start_time_tmp = $start_time;
+															} else {
+																$time_tmp = '0000';
+																$start_time_tmp = '0000';
+															}
+															if ($start_date_tmp == $end_date_tmp) {
+																$end_time_tmp = $end_time;
+															} else {
+																$end_time_tmp = '2400';
+															}
+															$nbrOfOverlaps = checkOverlap($start_date_tmp, $start_time_tmp, $end_time_tmp, $uid);
+															$master_array[$start_date_tmp][$time_tmp][$uid] = array ('event_start' => $start_time_tmp, 'event_end' => $end_time_tmp, 'start_unixtime' => $start_unixtime_tmp, 'end_unixtime' => $end_unixtime_tmp, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => true, 'calnumber' => $calnumber);
+															$start_tmp = strtotime('+1 day',$start_tmp);
+														}
+													} else {
+														$nbrOfOverlaps = checkOverlap($recur_data_date, $start_time, $end_time, $uid);
+														$master_array[($recur_data_date)][($hour.$minute)][$uid] = array ('event_start' => $start_time, 'event_end' => $end_time, 'start_unixtime' => $start_unixtime_tmp, 'end_unixtime' => $end_unixtime_tmp, 'event_text' => $summary, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description, 'status' => $status, 'class' => $class, 'spans_day' => false, 'calnumber' => $calnumber);
+													}
 												}
 											}
 										}
+										unset($recur_data);
 									}
-									unset($recur_data);
 								}
 							}
-						}
-					}	
+						}	
+					}
 				}
-			}
-		
-		// Begin VTODO Support
-		} elseif ($line == 'END:VTODO') {
-			if ((!$vtodo_priority) && ($status == 'COMPLETED')) {
-				$vtodo_sort = 11;
-			} elseif (!$vtodo_priority) { 
-				$vtodo_sort = 10;
+			
+			// Begin VTODO Support
+			} elseif ($line == 'END:VTODO') {
+				if ((!$vtodo_priority) && ($status == 'COMPLETED')) {
+					$vtodo_sort = 11;
+				} elseif (!$vtodo_priority) { 
+					$vtodo_sort = 10;
+				} else {
+					$vtodo_sort = $vtodo_priority;
+				}
+				$master_array['-2']["$vtodo_sort"]["$uid"] = array ('start_date' => $start_date, 'start_time' => $start_time, 'vtodo_text' => $summary, 'due_date'=> $due_date, 'due_time'=> $due_time, 'completed_date' => $completed_date, 'completed_time' => $completed_time, 'priority' => $vtodo_priority, 'status' => $status, 'class' => $class, 'categories' => $vtodo_categories);
+				unset ($due_date, $due_time, $completed_date, $completed_time, $vtodo_priority, $status, $class, $vtodo_categories, $summary);
+				$vtodo_set = FALSE;
+			} elseif ($line == 'BEGIN:VTODO') {
+				$vtodo_set = TRUE;
+			} elseif ($line == 'BEGIN:VALARM') {
+				$valarm_set = TRUE;
+			} elseif ($line == 'END:VALARM') {
+				$valarm_set = FALSE;
 			} else {
-				$vtodo_sort = $vtodo_priority;
-			}
-			$master_array['-2']["$vtodo_sort"]["$uid"] = array ('start_date' => $start_date, 'start_time' => $start_time, 'vtodo_text' => $summary, 'due_date'=> $due_date, 'due_time'=> $due_time, 'completed_date' => $completed_date, 'completed_time' => $completed_time, 'priority' => $vtodo_priority, 'status' => $status, 'class' => $class, 'categories' => $vtodo_categories);
-			unset ($due_date, $due_time, $completed_date, $completed_time, $vtodo_priority, $status, $class, $vtodo_categories, $summary);
-			$vtodo_set = FALSE;
-		} elseif ($line == 'BEGIN:VTODO') {
-			$vtodo_set = TRUE;
-		} elseif ($line == 'BEGIN:VALARM') {
-			$valarm_set = TRUE;
-		} elseif ($line == 'END:VALARM') {
-			$valarm_set = FALSE;
-		} else {
-	
-			unset ($field, $data, $prop_pos, $property);
-			ereg ("([^:]+):(.*)", $line, $line);
-			$field = $line[1];
-			$data = $line[2];
+		
+				unset ($field, $data, $prop_pos, $property);
+				ereg ("([^:]+):(.*)", $line, $line);
+				$field = $line[1];
+				$data = $line[2];
+				
+				$property = $field;
+				$prop_pos = strpos($property,';');
+				if ($prop_pos !== false) $property = substr($property,0,$prop_pos);
+				$property = strtoupper($property);
+				
+				switch ($property) {
+					
+					// Start VTODO Parsing
+					//
+					case 'DUE':
+						$zulu_time = false;
+						if (substr($data,-1) == 'Z') $zulu_time = true;
+						$data = ereg_replace('T', '', $data);
+						$data = ereg_replace('Z', '', $data);
+						if (preg_match("/^DUE;VALUE=DATE/i", $field))  {
+							$allday_start = $data;
+							$start_date = $allday_start;
+						} else {
+							if (preg_match("/^DUE;TZID=/i", $field)) {
+								$tz_tmp = explode('=', $field);
+								$tz_due = $tz_tmp[1];
+								unset($tz_tmp);
+							} elseif ($zulu_time) {
+								$tz_due = 'GMT';
+							}
 			
-			$property = $field;
-			$prop_pos = strpos($property,';');
-			if ($prop_pos !== false) $property = substr($property,0,$prop_pos);
-			$property = strtoupper($property);
+							ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
+							$start_date = $regs[1] . $regs[2] . $regs[3];
+							$start_time = $regs[4] . $regs[5];
+							$start_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
 			
-			switch ($property) {
-				
-				// Start VTODO Parsing
-				//
-				case 'DUE':
-					$zulu_time = false;
-					if (substr($data,-1) == 'Z') $zulu_time = true;
-					$data = ereg_replace('T', '', $data);
-					$data = ereg_replace('Z', '', $data);
-					if (preg_match("/^DUE;VALUE=DATE/i", $field))  {
-						$allday_start = $data;
-						$start_date = $allday_start;
-					} else {
-						if (preg_match("/^DUE;TZID=/i", $field)) {
-							$tz_tmp = explode('=', $field);
-							$tz_due = $tz_tmp[1];
-							unset($tz_tmp);
-						} elseif ($zulu_time) {
-							$tz_due = 'GMT';
-						}
-		
-						ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
-						$start_date = $regs[1] . $regs[2] . $regs[3];
-						$start_time = $regs[4] . $regs[5];
-						$start_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
-		
-						$dlst = date('I', $start_unixtime);
-						$server_offset_tmp = chooseOffset($start_unixtime);
-						if (isset($tz_due)) {
-							if (array_key_exists($tz_due, $tz_array)) {
-								$offset_tmp = $tz_array[$tz_due][$dlst];
+							$dlst = date('I', $start_unixtime);
+							$server_offset_tmp = chooseOffset($start_unixtime);
+							if (isset($tz_due)) {
+								if (array_key_exists($tz_due, $tz_array)) {
+									$offset_tmp = $tz_array[$tz_due][$dlst];
+								} else {
+									$offset_tmp = '+0000';
+								}
+							} elseif (isset($calendar_tz)) {
+								if (array_key_exists($calendar_tz, $tz_array)) {
+									$offset_tmp = $tz_array[$calendar_tz][$dlst];
+								} else {
+									$offset_tmp = '+0000';
+								}
 							} else {
-								$offset_tmp = '+0000';
+								$offset_tmp = $server_offset_tmp;
 							}
-						} elseif (isset($calendar_tz)) {
-							if (array_key_exists($calendar_tz, $tz_array)) {
-								$offset_tmp = $tz_array[$calendar_tz][$dlst];
+							$start_unixtime = calcTime($offset_tmp, $server_offset_tmp, $start_unixtime);
+							$due_date = date('Ymd', $start_unixtime);
+							$due_time = date('Hi', $start_unixtime);
+							unset($server_offset_tmp);
+						}
+						break;
+						
+					case 'COMPLETED':
+						$zulu_time = false;
+						if (substr($data,-1) == 'Z') $zulu_time = true;
+						$data = ereg_replace('T', '', $data);
+						$data = ereg_replace('Z', '', $data);
+						if (preg_match("/^COMPLETED;VALUE=DATE/i", $field))  {
+							$allday_start = $data;
+							$start_date = $allday_start;
+						} else {
+							if (preg_match("/^COMPLETED;TZID=/i", $field)) {
+								$tz_tmp = explode('=', $field);
+								$tz_completed = $tz_tmp[1];
+								unset($tz_tmp);
+							} elseif ($zulu_time) {
+								$tz_completed = 'GMT';
+							}
+			
+							ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
+							$start_date = $regs[1] . $regs[2] . $regs[3];
+							$start_time = $regs[4] . $regs[5];
+							$start_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
+			
+							$dlst = date('I', $start_unixtime);
+							$server_offset_tmp = chooseOffset($start_unixtime);
+							if (isset($tz_completed)) {
+								if (array_key_exists($tz_completed, $tz_array)) {
+									$offset_tmp = $tz_array[$tz_completed][$dlst];
+								} else {
+									$offset_tmp = '+0000';
+								}
+							} elseif (isset($calendar_tz)) {
+								if (array_key_exists($calendar_tz, $tz_array)) {
+									$offset_tmp = $tz_array[$calendar_tz][$dlst];
+								} else {
+									$offset_tmp = '+0000';
+								}
 							} else {
-								$offset_tmp = '+0000';
+								$offset_tmp = $server_offset_tmp;
 							}
-						} else {
-							$offset_tmp = $server_offset_tmp;
+							$start_unixtime = calcTime($offset_tmp, $server_offset_tmp, $start_unixtime);
+							$completed_date = date('Ymd', $start_unixtime);
+							$completed_time = date('Hi', $start_unixtime);
+							unset($server_offset_tmp);
 						}
-						$start_unixtime = calcTime($offset_tmp, $server_offset_tmp, $start_unixtime);
-						$due_date = date('Ymd', $start_unixtime);
-						$due_time = date('Hi', $start_unixtime);
-						unset($server_offset_tmp);
-					}
-					break;
+						break;	
 					
-				case 'COMPLETED':
-					$zulu_time = false;
-					if (substr($data,-1) == 'Z') $zulu_time = true;
-					$data = ereg_replace('T', '', $data);
-					$data = ereg_replace('Z', '', $data);
-					if (preg_match("/^COMPLETED;VALUE=DATE/i", $field))  {
-						$allday_start = $data;
-						$start_date = $allday_start;
-					} else {
-						if (preg_match("/^COMPLETED;TZID=/i", $field)) {
-							$tz_tmp = explode('=', $field);
-							$tz_completed = $tz_tmp[1];
-							unset($tz_tmp);
-						} elseif ($zulu_time) {
-							$tz_completed = 'GMT';
-						}
-		
-						ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
-						$start_date = $regs[1] . $regs[2] . $regs[3];
-						$start_time = $regs[4] . $regs[5];
-						$start_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
-		
-						$dlst = date('I', $start_unixtime);
-						$server_offset_tmp = chooseOffset($start_unixtime);
-						if (isset($tz_completed)) {
-							if (array_key_exists($tz_completed, $tz_array)) {
-								$offset_tmp = $tz_array[$tz_completed][$dlst];
-							} else {
-								$offset_tmp = '+0000';
+					case 'PRIORITY':
+						$vtodo_priority = "$data";
+						break;
+						
+					case 'STATUS':
+						// VEVENT: TENTATIVE, CONFIRMED, CANCELLED
+						// VTODO: NEEDS-ACTION, COMPLETED, IN-PROCESS, CANCELLED
+						$status = "$data";
+						break;
+						
+					case 'CLASS':
+						// VEVENT, VTODO: PUBLIC, PRIVATE, CONFIDENTIAL
+						$class = "$data";
+						break;
+						
+					case 'CATEGORIES':
+						$vtodo_categories = "$data";
+						break;		
+					//
+					// End VTODO Parsing				
+						
+					case 'DTSTART':
+						$zulu_time = false;
+						if (substr($data,-1) == 'Z') $zulu_time = true;
+						$data = ereg_replace('T', '', $data);
+						$data = ereg_replace('Z', '', $data);
+						$field = ereg_replace(';VALUE=DATE-TIME', '', $field); 
+						if (preg_match("/^DTSTART;VALUE=DATE/i", $field))  {
+							$allday_start = $data;
+							$start_date = $allday_start;
+						} else {
+							if (preg_match("/^DTSTART;TZID=/i", $field)) {
+								$tz_tmp = explode('=', $field);
+								$tz_dtstart = $tz_tmp[1];
+								unset($tz_tmp);
+							} elseif ($zulu_time) {
+								$tz_dtstart = 'GMT';
 							}
-						} elseif (isset($calendar_tz)) {
-							if (array_key_exists($calendar_tz, $tz_array)) {
-								$offset_tmp = $tz_array[$calendar_tz][$dlst];
+			
+							ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
+							$start_date = $regs[1] . $regs[2] . $regs[3];
+							$start_time = $regs[4] . $regs[5];
+							$start_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
+			
+							$dlst = date('I', $start_unixtime);
+							$server_offset_tmp = chooseOffset($start_unixtime);
+							if (isset($tz_dtstart)) {
+								if (array_key_exists($tz_dtstart, $tz_array)) {
+									$offset_tmp = $tz_array[$tz_dtstart][$dlst];
+								} else {
+									$offset_tmp = '+0000';
+								}
+							} elseif (isset($calendar_tz)) {
+								if (array_key_exists($calendar_tz, $tz_array)) {
+									$offset_tmp = $tz_array[$calendar_tz][$dlst];
+								} else {
+									$offset_tmp = '+0000';
+								}
 							} else {
-								$offset_tmp = '+0000';
+								$offset_tmp = $server_offset_tmp;
 							}
-						} else {
-							$offset_tmp = $server_offset_tmp;
+							$start_unixtime = calcTime($offset_tmp, $server_offset_tmp, $start_unixtime);
+							$start_date = date('Ymd', $start_unixtime);
+							$start_time = date('Hi', $start_unixtime);
+							unset($server_offset_tmp);
 						}
-						$start_unixtime = calcTime($offset_tmp, $server_offset_tmp, $start_unixtime);
-						$completed_date = date('Ymd', $start_unixtime);
-						$completed_time = date('Hi', $start_unixtime);
-						unset($server_offset_tmp);
-					}
-					break;	
-				
-				case 'PRIORITY':
-					$vtodo_priority = "$data";
-					break;
-					
-				case 'STATUS':
-					// VEVENT: TENTATIVE, CONFIRMED, CANCELLED
-					// VTODO: NEEDS-ACTION, COMPLETED, IN-PROCESS, CANCELLED
-					$status = "$data";
-					break;
-					
-				case 'CLASS':
-					// VEVENT, VTODO: PUBLIC, PRIVATE, CONFIDENTIAL
-					$class = "$data";
-					break;
-					
-				case 'CATEGORIES':
-					$vtodo_categories = "$data";
-					break;		
-				//
-				// End VTODO Parsing				
-					
-				case 'DTSTART':
-					$zulu_time = false;
-					if (substr($data,-1) == 'Z') $zulu_time = true;
-					$data = ereg_replace('T', '', $data);
-					$data = ereg_replace('Z', '', $data);
-					$field = ereg_replace(';VALUE=DATE-TIME', '', $field); 
-					if (preg_match("/^DTSTART;VALUE=DATE/i", $field))  {
-						$allday_start = $data;
-						$start_date = $allday_start;
-					} else {
-						if (preg_match("/^DTSTART;TZID=/i", $field)) {
-							$tz_tmp = explode('=', $field);
-							$tz_dtstart = $tz_tmp[1];
-							unset($tz_tmp);
-						} elseif ($zulu_time) {
-							$tz_dtstart = 'GMT';
-						}
-		
-						ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
-						$start_date = $regs[1] . $regs[2] . $regs[3];
-						$start_time = $regs[4] . $regs[5];
-						$start_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
-		
-						$dlst = date('I', $start_unixtime);
-						$server_offset_tmp = chooseOffset($start_unixtime);
-						if (isset($tz_dtstart)) {
-							if (array_key_exists($tz_dtstart, $tz_array)) {
-								$offset_tmp = $tz_array[$tz_dtstart][$dlst];
-							} else {
-								$offset_tmp = '+0000';
+						break;
+						
+					case 'DTEND';
+						$zulu_time = false;
+						if (substr($data,-1) == 'Z') $zulu_time = true;
+						$data = ereg_replace('T', '', $data);
+						$data = ereg_replace('Z', '', $data);
+						$field = ereg_replace(';VALUE=DATE-TIME', '', $field); 
+						if (preg_match("/^DTEND;VALUE=DATE/i", $field))  {
+							$allday_end = $data;
+						} else {
+							if (preg_match("/^DTEND;TZID=/i", $field)) {
+								$tz_tmp = explode('=', $field);
+								$tz_dtend = $tz_tmp[1];
+								unset($tz_tmp);
+							} elseif ($zulu_time) {
+								$tz_dtend = 'GMT';
 							}
-						} elseif (isset($calendar_tz)) {
-							if (array_key_exists($calendar_tz, $tz_array)) {
+							
+							ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
+							$end_date = $regs[1] . $regs[2] . $regs[3];
+							$end_time = $regs[4] . $regs[5];
+							$end_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
+			
+							$dlst = date('I', $end_unixtime);
+							$server_offset_tmp = chooseOffset($end_unixtime);
+							if (isset($tz_dtend)) {
+								$offset_tmp = $tz_array[$tz_dtend][$dlst];
+							} elseif (isset($calendar_tz)) {
 								$offset_tmp = $tz_array[$calendar_tz][$dlst];
 							} else {
-								$offset_tmp = '+0000';
+								$offset_tmp = $server_offset_tmp;
 							}
+							$end_unixtime = calcTime($offset_tmp, $server_offset_tmp, $end_unixtime);
+							$end_date = date('Ymd', $end_unixtime);
+							$end_time = date('Hi', $end_unixtime);
+							unset($server_offset_tmp);
+			
+						}
+						break;
+						
+					case 'EXDATE':
+						$data = split(",", $data);
+						foreach ($data as $exdata) {
+							$exdata = ereg_replace('T', '', $exdata);
+							$exdata = ereg_replace('Z', '', $exdata);
+							ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $exdata, $regs);
+							$except_dates[] = $regs[1] . $regs[2] . $regs[3];
+							$except_times[] = $regs[4] . $regs[5];
+						}
+						break;
+						
+					case 'SUMMARY':
+						$data = str_replace("\\n", "<br>", $data);
+						$data = str_replace("\\r", "<br>", $data);
+						$data = htmlentities(urlencode($data));
+						if ($valarm_set == FALSE) { 
+							$summary = $data;
 						} else {
-							$offset_tmp = $server_offset_tmp;
+							$valarm_summary = $data;
 						}
-						$start_unixtime = calcTime($offset_tmp, $server_offset_tmp, $start_unixtime);
-						$start_date = date('Ymd', $start_unixtime);
-						$start_time = date('Hi', $start_unixtime);
-						unset($server_offset_tmp);
-					}
-					break;
-					
-				case 'DTEND';
-					$zulu_time = false;
-					if (substr($data,-1) == 'Z') $zulu_time = true;
-					$data = ereg_replace('T', '', $data);
-					$data = ereg_replace('Z', '', $data);
-					$field = ereg_replace(';VALUE=DATE-TIME', '', $field); 
-					if (preg_match("/^DTEND;VALUE=DATE/i", $field))  {
-						$allday_end = $data;
-					} else {
-						if (preg_match("/^DTEND;TZID=/i", $field)) {
-							$tz_tmp = explode('=', $field);
-							$tz_dtend = $tz_tmp[1];
-							unset($tz_tmp);
-						} elseif ($zulu_time) {
-							$tz_dtend = 'GMT';
+						break;
+						
+					case 'DESCRIPTION':
+						$data = str_replace("\\n", "<br>", $data);
+						$data = str_replace("\\r", "<br>", $data);
+						$data = htmlentities(urlencode($data));
+						if ($valarm_set == FALSE) { 
+							$description = $data;
+						} else {
+							$valarm_description = $data;
 						}
+						break;
 						
+					case 'RECURRENCE-ID':
+						$parts = explode(';', $field);
+						foreach($parts as $part) {
+							$eachval = split('=',$part);
+							if ($eachval[0] == 'RECURRENCE-ID') {
+								// do nothing
+							} elseif ($eachval[0] == 'TZID') {
+								$recurrence_id['tzid'] = $eachval[1];
+							} elseif ($eachval[0] == 'RANGE') {
+								$recurrence_id['range'] = $eachval[1];
+							} elseif ($eachval[0] == 'VALUE') {
+								$recurrence_id['value'] = $eachval[1];
+							} else {
+								$recurrence_id[] = $eachval[1];
+							}
+						}
+						unset($parts, $part, $eachval);
+						
+						$data = ereg_replace('T', '', $data);
+						$data = ereg_replace('Z', '', $data);
 						ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
-						$end_date = $regs[1] . $regs[2] . $regs[3];
-						$end_time = $regs[4] . $regs[5];
-						$end_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
-		
-						$dlst = date('I', $end_unixtime);
-						$server_offset_tmp = chooseOffset($end_unixtime);
-						if (isset($tz_dtend)) {
-							$offset_tmp = $tz_array[$tz_dtend][$dlst];
+						$recurrence_id['date'] = $regs[1] . $regs[2] . $regs[3];
+						$recurrence_id['time'] = $regs[4] . $regs[5];
+			
+						$recur_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
+			
+						$dlst = date('I', $recur_unixtime);
+						$server_offset_tmp = chooseOffset($recur_unixtime);
+						if (isset($recurrence_id['tzid'])) {
+							$tz_tmp = $recurrence_id['tzid'];
+							$offset_tmp = $tz_array[$tz_tmp][$dlst];
 						} elseif (isset($calendar_tz)) {
 							$offset_tmp = $tz_array[$calendar_tz][$dlst];
 						} else {
 							$offset_tmp = $server_offset_tmp;
 						}
-						$end_unixtime = calcTime($offset_tmp, $server_offset_tmp, $end_unixtime);
-						$end_date = date('Ymd', $end_unixtime);
-						$end_time = date('Hi', $end_unixtime);
+						$recur_unixtime = calcTime($offset_tmp, $server_offset_tmp, $recur_unixtime);
+						$recurrence_id['date'] = date('Ymd', $recur_unixtime);
+						$recurrence_id['time'] = date('Hi', $recur_unixtime);
+						$recurrence_d = date('Ymd', $recur_unixtime);
+						$recurrence_t = date('Hi', $recur_unixtime);
 						unset($server_offset_tmp);
-		
-					}
-					break;
-					
-				case 'EXDATE':
-					$data = split(",", $data);
-					foreach ($data as $exdata) {
-						$exdata = ereg_replace('T', '', $exdata);
-						$exdata = ereg_replace('Z', '', $exdata);
-						ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $exdata, $regs);
-						$except_dates[] = $regs[1] . $regs[2] . $regs[3];
-						$except_times[] = $regs[4] . $regs[5];
-					}
-					break;
-					
-				case 'SUMMARY':
-					$data = str_replace("\\n", "<br>", $data);
-					$data = str_replace("\\r", "<br>", $data);
-					$data = htmlentities(urlencode($data));
-					if ($valarm_set == FALSE) { 
-						$summary = $data;
-					} else {
-						$valarm_summary = $data;
-					}
-					break;
-					
-				case 'DESCRIPTION':
-					$data = str_replace("\\n", "<br>", $data);
-					$data = str_replace("\\r", "<br>", $data);
-					$data = htmlentities(urlencode($data));
-					if ($valarm_set == FALSE) { 
-						$description = $data;
-					} else {
-						$valarm_description = $data;
-					}
-					break;
-					
-				case 'RECURRENCE-ID':
-					$parts = explode(';', $field);
-					foreach($parts as $part) {
-						$eachval = split('=',$part);
-						if ($eachval[0] == 'RECURRENCE-ID') {
-							// do nothing
-						} elseif ($eachval[0] == 'TZID') {
-							$recurrence_id['tzid'] = $eachval[1];
-						} elseif ($eachval[0] == 'RANGE') {
-							$recurrence_id['range'] = $eachval[1];
-						} elseif ($eachval[0] == 'VALUE') {
-							$recurrence_id['value'] = $eachval[1];
-						} else {
-							$recurrence_id[] = $eachval[1];
-						}
-					}
-					unset($parts, $part, $eachval);
-					
-					$data = ereg_replace('T', '', $data);
-					$data = ereg_replace('Z', '', $data);
-					ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})', $data, $regs);
-					$recurrence_id['date'] = $regs[1] . $regs[2] . $regs[3];
-					$recurrence_id['time'] = $regs[4] . $regs[5];
-		
-					$recur_unixtime = mktime($regs[4], $regs[5], 0, $regs[2], $regs[3], $regs[1]);
-		
-					$dlst = date('I', $recur_unixtime);
-					$server_offset_tmp = chooseOffset($recur_unixtime);
-					if (isset($recurrence_id['tzid'])) {
-						$tz_tmp = $recurrence_id['tzid'];
-						$offset_tmp = $tz_array[$tz_tmp][$dlst];
-					} elseif (isset($calendar_tz)) {
-						$offset_tmp = $tz_array[$calendar_tz][$dlst];
-					} else {
-						$offset_tmp = $server_offset_tmp;
-					}
-					$recur_unixtime = calcTime($offset_tmp, $server_offset_tmp, $recur_unixtime);
-					$recurrence_id['date'] = date('Ymd', $recur_unixtime);
-					$recurrence_id['time'] = date('Hi', $recur_unixtime);
-					$recurrence_d = date('Ymd', $recur_unixtime);
-					$recurrence_t = date('Hi', $recur_unixtime);
-					unset($server_offset_tmp);
-					break;
-					
-				case 'UID':
-					$uid = $data;
-					break;
-				case 'X-WR-CALNAME':
-					$calendar_name = $data;
-					$master_array['calendar_name'] = $calendar_name;
-					break;
-				case 'X-WR-TIMEZONE':
-					$calendar_tz = $data;
-					$master_array['calendar_tz'] = $calendar_tz;
-					break;
-				case 'DURATION':
-					if (($first_duration == TRUE) && (!stristr($field, '=DURATION'))) {
-						ereg ('^P([0-9]{1,2})?([W,D]{0,1}[T])?([0-9]{1,2}[H])?([0-9]{1,2}[M])?([0-9]{1,2}[S])?', $data, $duration);
-						if ($duration[2] = 'W') {
-							$weeks = $duration[1];
-							$days = 0;
-						} else {
-							$days = $duration[1];
-							$weeks = 0;
+						break;
+						
+					case 'UID':
+						$uid = $data;
+						break;
+					case 'X-WR-CALNAME':
+						$calendar_name = $data;
+						$master_array['calendar_name'] = $calendar_name;
+						break;
+					case 'X-WR-TIMEZONE':
+						$calendar_tz = $data;
+						$master_array['calendar_tz'] = $calendar_tz;
+						break;
+					case 'DURATION':
+						if (($first_duration == TRUE) && (!stristr($field, '=DURATION'))) {
+							ereg ('^P([0-9]{1,2})?([W,D]{0,1}[T])?([0-9]{1,2}[H])?([0-9]{1,2}[M])?([0-9]{1,2}[S])?', $data, $duration);
+							if ($duration[2] = 'W') {
+								$weeks = $duration[1];
+								$days = 0;
+							} else {
+								$days = $duration[1];
+								$weeks = 0;
+							}
+							$hours = ereg_replace('H', '', $duration[3]);
+							$minutes = ereg_replace('M', '', $duration[4]);
+							$seconds = ereg_replace('S', '', $duration[5]);
+							$the_duration = ($weeks * 60 * 60 * 24 * 7) + ($days * 60 * 60 * 24) + ($hours * 60 * 60) + ($minutes * 60) + ($seconds);
+							$end_unixtime = $start_unixtime + $the_duration;
+							$end_time = date ('Hi', $end_unixtime);
+							$first_duration = FALSE;
+						}	
+						break;
+					case 'RRULE':
+						$data = ereg_replace ('RRULE:', '', $data);
+						$rrule = split (';', $data);
+						foreach ($rrule as $recur) {
+							ereg ('(.*)=(.*)', $recur, $regs);
+							$rrule_array[$regs[1]] = $regs[2];
 						}
-						$hours = ereg_replace('H', '', $duration[3]);
-						$minutes = ereg_replace('M', '', $duration[4]);
-						$seconds = ereg_replace('S', '', $duration[5]);
-						$the_duration = ($weeks * 60 * 60 * 24 * 7) + ($days * 60 * 60 * 24) + ($hours * 60 * 60) + ($minutes * 60) + ($seconds);
-						$end_unixtime = $start_unixtime + $the_duration;
-						$end_time = date ('Hi', $end_unixtime);
-						$first_duration = FALSE;
-					}	
-					break;
-				case 'RRULE':
-					$data = ereg_replace ('RRULE:', '', $data);
-					$rrule = split (';', $data);
-					foreach ($rrule as $recur) {
-						ereg ('(.*)=(.*)', $recur, $regs);
-						$rrule_array[$regs[1]] = $regs[2];
-					}
-					break;
-				// Attendee support only testing in Apple iCal 1.0.2	
-				case 'ATTENDEE':
-					$field 		= ereg_replace("ATTENDEE;CN=", "", $field);
-					$data 		= ereg_replace ("mailto:", "", $data);
-					$attendee[] = array ('name' => $field, 'email' => $data);
-					#print_r($attendee);
-					break;
-				case 'ORGANIZER':
-					$field 		 = ereg_replace("ORGANIZER;CN=", "", $field);
-					$data 		 = ereg_replace ("mailto:", "", $data);
-					$organizer[] = array ('name' => $field, 'email' => $data);
-					break;
-				case 'LOCATION':
-					$data = $location;
-					break;
+						break;
+					// Attendee support only testing in Apple iCal 1.0.2	
+					case 'ATTENDEE':
+						$field 		= ereg_replace("ATTENDEE;CN=", "", $field);
+						$data 		= ereg_replace ("mailto:", "", $data);
+						$attendee[] = array ('name' => $field, 'email' => $data);
+						#print_r($attendee);
+						break;
+					case 'ORGANIZER':
+						$field 		 = ereg_replace("ORGANIZER;CN=", "", $field);
+						$data 		 = ereg_replace ("mailto:", "", $data);
+						$organizer[] = array ('name' => $field, 'email' => $data);
+						break;
+					case 'LOCATION':
+						$data = $location;
+						break;
+				}
 			}
 		}
-	}
-	
-	/*
-	//print '<pre>';	
-	// Remove pesky recurrences
-	if (is_array($recurrence_delete)) {
-		foreach ($recurrence_delete as $delete => $delete_key) {
-			foreach ($delete_key as $key => $val) {
-				#echo "Before Delete::  $delete  $key  $val<br>";
-				#print_r($master_array["$delete"]);
-				if (is_array($master_array[($delete)][($key)][($val)])) {
-					removeOverlap($delete, $key, $val);
-					unset($master_array["$delete"]["$key"]["$val"]);
-					// Remove date from array if no events
-					if (sizeof($master_array["$delete"]["$key"] = 1)) {
-						#echo "deleting  $delete  $key  $val<br>";
-						unset($master_array["$delete"]["$key"]);
-						if (!sizeof($master_array["$delete"] > 1)) {
+		
+		/*
+		//print '<pre>';	
+		// Remove pesky recurrences
+		if (is_array($recurrence_delete)) {
+			foreach ($recurrence_delete as $delete => $delete_key) {
+				foreach ($delete_key as $key => $val) {
+					#echo "Before Delete::  $delete  $key  $val<br>";
+					#print_r($master_array["$delete"]);
+					if (is_array($master_array[($delete)][($key)][($val)])) {
+						removeOverlap($delete, $key, $val);
+						unset($master_array["$delete"]["$key"]["$val"]);
+						// Remove date from array if no events
+						if (sizeof($master_array["$delete"]["$key"] = 1)) {
 							#echo "deleting  $delete  $key  $val<br>";
-							unset($master_array["$delete"]);
+							unset($master_array["$delete"]["$key"]);
+							if (!sizeof($master_array["$delete"] > 1)) {
+								#echo "deleting  $delete  $key  $val<br>";
+								unset($master_array["$delete"]);
+							}
 						}
-					}
-					#print_r($master_array["$delete"]);
-					// Check for overlaps and rewrite them
-					foreach($master_array["$delete"] as $overlap_time => $overlap_val) {
-						$recur_data_date = $delete;
-						foreach ($overlap_val as $uid => $val) {
-							$start_time = $val['event_start'];
-							$end_time = $val['event_end'];
-							#$nbrOfOverlaps = checkOverlap($recur_data_date, $start_time, $end_time, $uid);
-							#$master_array[($recur_data_date)][($start_time)][($uid)]['event_overlap'] = 0;
-							#echo "$recur_data_date - $uid - $start_time - $end_time - $nbrOfOverlaps<br>";
-							#print_r($val);
+						#print_r($master_array["$delete"]);
+						// Check for overlaps and rewrite them
+						foreach($master_array["$delete"] as $overlap_time => $overlap_val) {
+							$recur_data_date = $delete;
+							foreach ($overlap_val as $uid => $val) {
+								$start_time = $val['event_start'];
+								$end_time = $val['event_end'];
+								#$nbrOfOverlaps = checkOverlap($recur_data_date, $start_time, $end_time, $uid);
+								#$master_array[($recur_data_date)][($start_time)][($uid)]['event_overlap'] = 0;
+								#echo "$recur_data_date - $uid - $start_time - $end_time - $nbrOfOverlaps<br>";
+								#print_r($val);
+							}
 						}
 					}
 				}
 			}
 		}
-	}
-	
-	*/
-	// Sort the array by absolute date.
-	if (isset($master_array) && is_array($master_array)) { 
-		ksort($master_array);
-		reset($master_array);
 		
-		// sort the sub (day) arrays so the times are in order
-		foreach (array_keys($master_array) as $k) {
-			if (isset($master_array[$k]) && is_array($master_array[$k])) {
-				ksort($master_array[$k]);
-				reset($master_array[$k]);
+		*/
+	}
+	$calnumber = $calnumber + 1;
+}
+
+
+if ($parse_file) {	
+		// Sort the array by absolute date.
+		if (isset($master_array) && is_array($master_array)) { 
+			ksort($master_array);
+			reset($master_array);
+			
+			// sort the sub (day) arrays so the times are in order
+			foreach (array_keys($master_array) as $k) {
+				if (isset($master_array[$k]) && is_array($master_array[$k])) {
+					ksort($master_array[$k]);
+					reset($master_array[$k]);
+				}
 			}
 		}
-	}
-	
-	// write the new master array to the file
-	if (isset($master_array) && is_array($master_array) && $save_parsed_cals == 'yes' && $is_webcal == FALSE) {
-		$write_me = serialize($master_array);
-		$fd = fopen($parsedcal, 'w');
-		fwrite($fd, $write_me);
-		fclose($fd);
-		touch($parsedcal, $realcal_mtime);
-	}
+		
+		// write the new master array to the file
+		if (isset($master_array) && is_array($master_array) && $save_parsed_cals == 'yes' && $is_webcal == FALSE) {
+			$write_me = serialize($master_array);
+			$fd = fopen($parsedcal, 'w');
+			fwrite($fd, $write_me);
+			fclose($fd);
+			touch($parsedcal, $realcal_mtime);
+		}
 }
 
 
+
+
 //If you want to see the values in the arrays, uncomment below.
-//print '<pre>';
-//print_r($master_array);
-//print_r($overlap_array);
+/*
+print '<pre>';
+print_r($master_array);
+print_r($overlap_array);
 //print_r($day_array);
 //print_r($rrule);
 //print_r($recurrence_delete);	
-//print '</pre>';
-	
+print '</pre>';
+*/
+
+// Set a calender name for all calenders combined
+if ($cal == 'all_calenders_combined971') {
+	$calendar_name = $all_cal_comb_lang;
+}
 					
 ?>
diff --git a/functions/init.inc.php b/functions/init.inc.php
index 1d8af84..3033e76 100644
--- a/functions/init.inc.php
+++ b/functions/init.inc.php
@@ -62,12 +62,16 @@ if (isset($HTTP_GET_VARS['cal']) && $HTTP_GET_VARS['cal'] != '') {
 	}
 } else {
 	if (isset($default_cal_check)) {
-		$calcheck = $calendar_path.'/'.$default_cal_check.'.ics';
-		$calcheckopen = @fopen($calcheck, "r");
-		if ($calcheckopen == FALSE) {
-			$cal_filename = $default_cal;
+		if ($default_cal_check != 'all_calenders_combined971') {
+			$calcheck = $calendar_path.'/'.$default_cal_check.'.ics';
+			$calcheckopen = @fopen($calcheck, "r");
+			if ($calcheckopen == FALSE) {
+				$cal_filename = $default_cal;
+			} else {
+				$cal_filename = $default_cal_check;
+			}
 		} else {
-			$cal_filename = $default_cal_check;
+			$cal_filename = 'all_calenders_combined971';
 		}
 	} else {
 		$cal_filename = $default_cal;
@@ -91,16 +95,35 @@ if ($is_webcal) {
 		exit(error($error_restrictedcal_lang, $cal_filename));
 	} else {
 		if (!isset($filename)) {
-			$filename = $calendar_path.'/'.$cal_filename.'.ics';
-			if (true == false) {
+			// empty the filelist array
+			$cal_filelist = array();
+			if ($cal == 'all_calenders_combined971') { // Create an array with the paths to all files to be combined
+				// Note: code here is similar to code in list_icals.php
+				// open directory
 				$dir_handle = @opendir($calendar_path) or die(error(sprintf($error_path_lang, $calendar_path), $cal_filename));
-				while ($file = readdir($dir_handle)) {
-					if (substr($file, -4) == '.ics') {
-						$cal = urlencode(substr($file, 0, -4));
-						$filename = $calendar_path.'/'.$file;
-						break;
+	
+
+				// build the array
+				while (false != ($file = readdir($dir_handle))) {
+					if (substr($file, -4) == ".ics") {
+						$file = $calendar_path.'/'.$file;
+						array_push($cal_filelist, $file);
+					}
+				}
+				natcasesort($cal_filelist);
+			} else { // Handle a single file
+				$filename = $calendar_path.'/'.$cal_filename.'.ics';
+				if (true == false) {
+					$dir_handle = @opendir($calendar_path) or die(error(sprintf($error_path_lang, $calendar_path), $cal_filename));
+					while ($file = readdir($dir_handle)) {
+						if (substr($file, -4) == '.ics') {
+							$cal = urlencode(substr($file, 0, -4));
+							$filename = $calendar_path.'/'.$file;
+							break;
+						}
 					}
 				}
+				array_push($cal_filelist, $filename);
 			}
 		}
 		
diff --git a/functions/list_icals.php b/functions/list_icals.php
index 8c21c3d..75d85b4 100644
--- a/functions/list_icals.php
+++ b/functions/list_icals.php
@@ -35,9 +35,17 @@ if ($display_ical_list == "yes") {
 				print "<option value=\"$current_view.php?cal=$cal_tmp\" selected>$cal_displayname_tmp $calendar_lang</option>\n";
 			} else {
 				print "<option value=\"$current_view.php?cal=$cal_tmp\">$cal_displayname_tmp $calendar_lang</option>\n";	
-			}		
+			}
 		}	
 	}			
+
+	// option to open all (non-web) calenders together
+	if ($cal == 'all_calenders_combined971') {
+		print "<option value=\"$current_view.php?cal=all_calenders_combined971\" selected>$all_cal_comb_lang</option>\n";
+	} else {
+		print "<option value=\"$current_view.php?cal=all_calenders_combined971\">$all_cal_comb_lang</option>\n";
+	}
+		
 	foreach($list_webcals as $cal_tmp) {
 		if ($cal_tmp != '') {
 			$cal_displayname_tmp = basename($cal_tmp);
@@ -51,8 +59,7 @@ if ($display_ical_list == "yes") {
 			}		
 		}
 	}
-	
-	
+
 	// close file
 	closedir($dir_handle);
 	
diff --git a/functions/overlapping_events.php b/functions/overlapping_events.php
index b90dd04..659a0cb 100644
--- a/functions/overlapping_events.php
+++ b/functions/overlapping_events.php
@@ -160,23 +160,27 @@ function checkOverlap($ol_start_date, $ol_start_time, $ol_end_time, $ol_uid) {
 }
 
 // drei 20021126: function for checking and removing overlapping events
-function removeOverlap($ol_start_date, $ol_start_time, $ol_key = 0) {
+//function removeOverlap($ol_start_date, $ol_start_time, $ol_key = 0) {
+function removeOverlap($ol_start_date, $ol_start_time, $ol_key) {
 	global $master_array, $overlap_array;
 	if (isset($overlap_array[$ol_start_date])) {
 		if (sizeof($overlap_array[$ol_start_date]) > 0) {
 			$ol_end_time = $master_array[$ol_start_date][$ol_start_time][$ol_key]["event_end"];
 			foreach ($overlap_array[$ol_start_date] as $keyBlock => $blockId) {
-				if (($blockId["blockStart"] <= $ol_start_time) or ($blockId["blockEnd"] >= $ol_start_time)) {
+//				if (($blockId["blockStart"] <= $ol_start_time) or ($blockId["blockEnd"] >= $ol_start_time)) {
+				if (($blockId["blockStart"] <= $ol_start_time) and ($blockId["blockEnd"] > $ol_start_time)) {
 					foreach ($blockId["events"] as $keyEvent => $ol_event) {
 						$master_array[$ol_start_date][$ol_event["time"]][$ol_event["key"]]["event_overlap"] -= 1;
 						if (($ol_event["time"] == $ol_start_time) and ($ol_event["key"] == $ol_key)) {
 							unset ($overlap_array[$ol_start_date][$keyBlock]["events"][$keyEvent]);
 						}
 					}
-					if ($blockId["maxOverlaps"] = 1) {
+					if ($blockId["maxOverlaps"] == 1) {
 						unset ($overlap_array[$ol_start_date][$keyBlock]);
 					} else {
-						$blockId["maxOverlaps"] -= 1;
+						$overlap_array[$ol_start_date][$keyBlock]["maxOverlaps"] -= 1;
+						//$blockId["maxOverlaps"] -= 1;
+						// SJBO: Shouldn't something be done with [overlapRanges] as well?
 					}
 				}
 			}
-- 
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