<?php
/* end_vevent.php

What happens in this file:
1. Initialization
2. 


*/

if (!isset($url)) $url = '';
if (!isset($type)) $type = '';

// Handle DURATION
if (!isset($end_unixtime)) {
	if(!isset($the_duration)) $the_duration = 0;
	$end_unixtime 	= $start_unixtime + $the_duration;
	$end_time 	= date ('Hi', $end_unixtime);
}
	
// 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($summary)) 		$summary = '';
if (!isset($description)) 	$description = '';
if (!isset($status)) 		$status = '';
if (!isset($class)) 		$class = '';
if (!isset($location)) 		$location = '';

# set bounds on master_array
# mktime int mktime ( [int $hour [, int $minute [, int $second [, int $month [, int $day [, int $year [, int $is_dst]]]]]]] )
$start_month = $this_month - 1;
$start_year = $this_year;
$end_month = $this_month + 1;
$end_year = $this_year;
if ($this_month == 1){
	$start_month = 12;
	$start_year--;
}	
if ($this_month == 12){
	$end_month = 1;
	$end_year++;
}
switch ($current_view){
	case 'month':
	case 'week':
	case 'day':
		$mArray_begin = mktime (0,0,0,$start_month,21,($start_year));
		$mArray_end = mktime (0,0,0,$end_month,12,($end_year));
		break;
	default:
		$mArray_begin = mktime (0,0,0,12,21,($this_year - 1));
		$mArray_end = mktime (0,0,0,1,12,($this_year + 1));
}


# adjust event start and end times
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);
	}
}

# look for events that span more than one day
if (isset($start_unixtime,$end_unixtime) && date('Ymd',$start_unixtime) != date('Ymd',$end_unixtime)) {
	$spans_day = true;
	$bleed_check = (($start_unixtime - $end_unixtime) < (60*60*24)) ? '-1' : '0';
} else {
	$spans_day = false;
	$bleed_check = 0;
}

# get hour and minute adjusted to allowed grid times
if (isset($start_time) && $start_time != '') {
	preg_match ('/([0-9]{2})([0-9]{2})/', $start_time, $time);
	preg_match ('/([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]);
	}
	
	$drawKey = drawEventTimes($start_time, $end_time);
	preg_match ('/([0-9]{2})([0-9]{2})/', $drawKey['draw_start'], $time3);
	$hour = $time3[1];
	$minute = $time3[2];
}

// RECURRENCE-ID Support
if (isset($recurrence_d)) {
	
	$recurrence_delete["$recurrence_d"]["$recurrence_t"] = $uid;
}


# treat nonrepeating events as rrule events with one instance
if (!isset($rrule_array) && $start_unixtime < $mArray_end && $end_unixtime > $mArray_begin){
	$rrule_array['FREQ'] = 'YEARLY';
	$rrule_array['START_DATE'] = $start_date;
	$rrule_array['UNTIL'] = $start_date;
	$rrule_array['END'] = 'end';
}


if (isset($allday_start) && $allday_start != '') {
	$hour = '-';
	$minute = '1';
	$rrule_array['START_DAY'] = $allday_start;
	# $rrule_array['END_DAY'] = $allday_end; # this doesn't seem to be used anywhere.
	$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';
}
	
$start_date_time = strtotime($start_date);
if (!isset($fromdate)){
	#this should happen if not in one of the rss views
	$this_month_start_time = strtotime($this_year.$this_month.'01');
	if ($current_view == 'year' || ($save_parsed_cals == 'yes' && !$is_webcal)|| $current_view == 'print' && $printview == 'year') {
		$start_range_time = strtotime($this_year.'-01-01 -2 weeks');
		$end_range_time = strtotime($this_year.'-12-31 +2 weeks');
	} 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);
	}
}else{
		$start_range_time = strtotime($fromdate);			
		$end_range_time = strtotime($todate)+60*60*24; 						
}

$freq_type = 'year';
foreach ($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;
			}
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = strtolower($val);
			break;
		case 'COUNT':
			$count = $val;
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $count;
			break;
		case 'UNTIL':
			$until = str_replace('T', '', $val);
			$until = str_replace('Z', '', $until);
			if (strlen($until) == 8) $until = $until.'235959';
			$abs_until = $until;
			ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})', $until, $regs);
			$until = mktime($regs[4],$regs[5],$regs[6],$regs[2],$regs[3],$regs[1]);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = localizeDate($dateFormat_week,$until);
			break;
		case 'INTERVAL':
			if ($val > 0){
			$number = $val;
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $number;
			}
			break;
		case 'BYSECOND':
			$bysecond = $val;
			$bysecond = split (',', $bysecond);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysecond;
			break;
		case 'BYMINUTE':
			$byminute = $val;
			$byminute = split (',', $byminute);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byminute;
			break;
		case 'BYHOUR':
			$byhour = $val;
			$byhour = split (',', $byhour);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byhour;
			break;
		case 'BYDAY':
			$byday = $val;
			$byday = split (',', $byday);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byday;
			break;
		case 'BYMONTHDAY':
			$bymonthday = $val;
			$bymonthday = split (',', $bymonthday);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonthday;
			break;					
		case 'BYYEARDAY':
			$byyearday = $val;
			$byyearday = split (',', $byyearday);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byyearday;
			break;
		case 'BYWEEKNO':
			$byweekno = $val;
			$byweekno = split (',', $byweekno);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byweekno;
			break;
		case 'BYMONTH':
			$bymonth = $val;
			$bymonth = split (',', $bymonth);
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonth;
			break;
		case 'BYSETPOS':
			$bysetpos = $val;
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysetpos;
			break;
		case 'WKST':
			$wkst = $val;
			$recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $wkst;
			break;
		case 'END':

		$recur = $recur_array[($start_date)][($hour.$minute)][$uid]['recur'];

		// Modify the COUNT based on BYDAY
		if ((isset ($byday) && is_array($byday)) && (isset($count))) {
			$blah = sizeof($byday);
			$count = ($count / $blah);
			unset ($blah);
		}
	
		if (!isset($number)) $number = 1;
		// if $until isn't set yet, we set it to the end of our range we're looking at
		
		if (!isset($until)) $until = $end_range_time;
		if (!isset($abs_until)) $abs_until = date('YmdHis', $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) {
		
			// 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;

			// initialize the time we will increment
			$next_range_time = $start_range_time_tmp;
			
			// FIXME: This is a hack to fix repetitions with $interval > 1 
			if ($count > 1 && $number > 1) $count = 1 + ($count - 1) * $number; 
			
			$count_to = 0;
			// start at the $start_range and go until we hit the end of our range.
			if(!isset($wkst)) $wkst='SU';
			$wkst3char = two2threeCharDays($wkst);

			# set first instance if it's in range
			if ($start_unixtime < $mArray_end && $end_unixtime > $mArray_begin){
				$recur_data[] = $start_unixtime; 
			}	
			while (($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':
								// Populate $byday with the default day if it's not set.
								if (!isset($byday)) {
									$byday[] = strtoupper(substr(date('D', $start_date_time), 0, 2));
								}
								if (is_array($byday)) {
									foreach($byday as $day) {
										$day = two2threeCharDays($day);	
										#need to find the first day of the appropriate week.
										#dateOfweek uses weekstartday as a global variable. This has to be changed to $wkst, 
										#but then needs to be reset for other functions
										$week_start_day_tmp = $week_start_day;
										$week_start_day = $wkst3char;
										
										$the_sunday = dateOfWeek(date("Ymd",$next_range_time), $wkst3char);
										$next_date_time = strtotime($day,strtotime($the_sunday)) + (12 * 60 * 60);
										$week_start_day = $week_start_day_tmp; #see above reset to global value
										
										#reset $next_range_time to first instance in this week.
										if ($next_date_time < $next_range_time){ 
											$next_range_time = $next_date_time; 
										}
										// Since this renders events from $next_range_time to $next_range_time + 1 week, I need to handle intervals
										// as well. This checks to see if $next_date_time is after $day_start (i.e., "next week"), and thus
										// if we need to add $interval weeks to $next_date_time.
										if ($next_date_time > strtotime($week_start_day, $next_range_time) && $interval > 1) {
										#	$next_date_time = strtotime('+'.($interval - 1).' '.$freq_type, $next_date_time);
										}
										$recur_data[] = $next_date_time;
									}
								}
								break;
							case 'MONTHLY':
								if (empty($bymonth)) $bymonth = array(1,2,3,4,5,6,7,8,9,10,11,12);
								$next_range_time = strtotime(date('Y-m-01', $next_range_time));
								$next_date_time = $next_date_time;
								if (isset($bysetpos)){
									/* bysetpos code from dustinbutler
									start on day 1 or last day. 
									if day matches any BYDAY the count is incremented. 
									SETPOS = 4, need 4th match 
									SETPOS = -1, need 1st match 
									*/ 
									$year = date('Y', $next_range_time); 
									$month = date('m', $next_range_time); 
									if ($bysetpos > 0) { 
										$next_day = '+1 day'; 
										$day = 1; 
									} else { 
										$next_day = '-1 day'; 
										$day = $totalDays[$month]; 
									} 
									$day = mktime(0, 0, 0, $month, $day, $year); 
									$countMatch = 0; 
									while ($countMatch != abs($bysetpos)) { 
										/* Does this day match a BYDAY value? */ 
										$thisDay = $day; 
										$textDay = strtoupper(substr(date('D', $thisDay), 0, 2)); 
										if (in_array($textDay, $byday)) { 
											$countMatch++; 
										} 
										$day = strtotime($next_day, $thisDay); 
									} 
									$recur_data[] = $thisDay; 
								}elseif ((isset($bymonthday)) && (!isset($byday))) {
									foreach($bymonthday as $day) {
										if ($day < 0) $day = ((date('t', $next_range_time)) + ($day)) + 1;
										$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[] = $next_date_time;
										}
									}
								} elseif (is_array($byday)) {
									foreach($byday as $day) {
										ereg ('([-\+]{0,1})?([0-9]{1})?([A-Z]{2})', $day, $byday_arr);
										//Added for 2.0 when no modifier is set
										if ($byday_arr[2] != '') {
											$nth = $byday_arr[2]-1;
										} else {
											$nth = 0;
										}
										$on_day = two2threeCharDays($byday_arr[3]);
										$on_day_num = two2threeCharDays($byday_arr[3],false); 
										if ((isset($byday_arr[1])) && ($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, $next_range_time) - ($nth * 604800);
											$month = date('m', $next_date_time);
											if (in_array($month, $bymonth)) {
												$recur_data[] = $next_date_time;
											}
											#reset next_range_time to start of month
											$next_range_time = strtotime(date('Y-m-'.'1', $next_range_time));

										} elseif (isset($bymonthday) && (!empty($bymonthday))) {
											// This supports MONTHLY where BYDAY and BYMONTH are both set
											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);
													$daday = strtolower(strftime("%a", $next_date_time));
													if ($daday == $on_day && in_array($month, $bymonth)) {
														$recur_data[] = $next_date_time;
													}
												}
											}
										} elseif ((isset($byday_arr[1])) && ($byday_arr[1] != '-')) {
											$next_date_time = strtotime($on_day, strtotime($on_day, $next_range_time) + $nth * 604800);
											$month = date('m', $next_date_time);
											if (in_array($month, $bymonth)) {
												if (isset($next_date_time) && $next_date_time != '') $recur_data[] = $next_date_time;
											}
										}
										$next_date = date('Ymd', $next_date_time);
									}
								}
								break;
							case 'YEARLY':
								if ((!isset($bymonth)) || (sizeof($bymonth) == 0)) {
									$m = date('m', $start_date_time);
									$bymonth = array("$m");
								}	

								foreach($bymonth as $month) { 
									// Make sure the month & year used is within the start/end_range.
									if ($month < date('m', $next_range_time)) {
										$year = date('Y', $next_range_time);
									} else {
										$year = date('Y', $next_range_time);
									}
									if (isset($bysetpos)){
										/* bysetpos code from dustinbutler
										start on day 1 or last day. 
										if day matches any BYDAY the count is incremented. 
										SETPOS = 4, need 4th match 
										SETPOS = -1, need 1st match 
										*/ 
										if ($bysetpos > 0) { 
											$next_day = '+1 day'; 
											$day = 1; 
										} else { 
											$next_day = '-1 day'; 
											$day = date("t",$month); 
										} 
										$day = mktime(12, 0, 0, $month, $day, $year); 
										$countMatch = 0; 
										while ($countMatch != abs($bysetpos)) { 
											/* Does this day match a BYDAY value? */ 
											$thisDay = $day;
											$textDay = strtoupper(substr(date('D', $thisDay), 0, 2)); 
											if (in_array($textDay, $byday)) { 
												$countMatch++; 
											} 
											$day = strtotime($next_day, $thisDay); 
										} 
										$recur_data[] = $thisDay; 															
									}
									if ((isset($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, $byday_arr);
											if ($byday_arr[2] != '') {
												$nth = $byday_arr[2]-1;
											} else {
												$nth = 0;
											}
											$on_day = two2threeCharDays($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);
											}
										}
									} else {
										$day 	= date('d', $start_date_time);
										$next_date_time = mktime(0,0,0,$month,$day,$year+1);
										//echo date('Ymd',$next_date_time).$summary.'<br>';
									}
									if (isset($next_date_time) && $next_date_time != '') $recur_data[] = $next_date_time;
								}
								if (isset($byyearday)) {
									foreach ($byyearday as $yearday) {
										ereg ('([-\+]{0,1})?([0-9]{1,3})', $yearday, $byyearday_arr);
										if ($byyearday_arr[1] == '-') {
											$ydtime = mktime(0,0,0,12,31,$this_year);
											$yearnum = $byyearday_arr[2] - 1;
											$next_date_time = strtotime('-'.$yearnum.' days', $ydtime);
										} else {
											$ydtime = mktime(0,0,0,1,1,$this_year);
											$yearnum = $byyearday_arr[2] - 1;
											$next_date_time = strtotime('+'.$yearnum.' days', $ydtime);
										}
										if (isset($next_date_time) && $next_date_time != '') $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 {
					// 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')][$uid] = array (
										'event_text' => $summary, 
										'description' => $description, 
										'location' => $location, 
										'organizer' => serialize($organizer), 
										'attendee' => serialize($attendee), 
										'calnumber' => $calnumber, 
										'calname' => $actual_calname, 
										'url' => $url, 
										'status' => $status, 
										'class' => $class, 
										'recur' => $recur );
									$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 (($end_time >= $bleed_time) && ($bleed_check == '-1')) {
									$start_tmp = strtotime(date('Ymd',$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 == $recur_data_year.$recur_data_month.$recur_data_day) {
											$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';
											$display_end_tmp = $end_time;
										}
										
										// Let's double check the until to not write past it
										$until_check = $start_date_tmp.$time_tmp.'00'; 
										if ($abs_until > $until_check) {
											$master_array[$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' => 0, 
												'description' => $description, 
												'status' => $status, 
												'class' => $class, 
												'spans_day' => true, 
												'location' => $location, 
												'organizer' => serialize($organizer), 
												'attendee' => serialize($attendee), 
												'calnumber' => $calnumber, 
												'calname' => $actual_calname, 
												'url' => $url, 
												'recur' => $recur);
											if (isset($display_end_tmp)){
												$master_array[$start_date_tmp][$time_tmp][$uid]['display_end'] = $display_end_tmp;
											}
											checkOverlap($start_date_tmp, $time_tmp, $uid);
										}
										$start_tmp = strtotime('+1 day',$start_tmp);
									}
								} else {
									if ($bleed_check == '-1') {
										$display_end_tmp = $end_time;
										$end_time_tmp1 = '2400';
											
									}
									if (!isset($end_time_tmp1)) $end_time_tmp1 = $end_time;
								
									// Let's double check the until to not write past it
									$until_check = $recur_data_date.$hour.$minute.'00';
									if ($abs_until > $until_check) {
										$master_array[($recur_data_date)][($hour.$minute)][$uid] = array (
											'event_start' => $start_time, 
											'event_end' => $end_time_tmp1, 
											'start_unixtime' => $start_unixtime_tmp, 
											'end_unixtime' => $end_unixtime_tmp, 
											'event_text' => $summary, 
											'event_length' => $length, 
											'event_overlap' => 0, 
											'description' => $description, 
											'status' => $status, 
											'class' => $class, 
											'spans_day' => false, 
											'location' => $location, 
											'organizer' => serialize($organizer), 
											'attendee' => serialize($attendee), 
											'calnumber' => $calnumber, 
											'calname' => $actual_calname, 
											'url' => $url, 
											'recur' => $recur);
										if (isset($display_end_tmp)){
											$master_array[($recur_data_date)][($hour.$minute)][$uid]['display_end'] = $display_end_tmp;
										}
										checkOverlap($recur_data_date, ($hour.$minute), $uid);
									}
								}
							}
						}
					}
				}
			} #end while loop
		} # end if time compare 
		unset($recur_data);
	} # end switch $key (rrule type)	
} # end foreach rrule


// This should remove any exdates that were missed.
// Added for version 0.9.5 modified in 2.22 remove anything that doesn't have an event_start
if (is_array($except_dates)) {
	foreach ($except_dates as $key => $value) {
		if (isset ($master_array[$value])){
			foreach ($master_array[$value] as $time => $value2){
				if (!isset($value2[$uid]['event_start'])){
		unset($master_array[$value][$time][$uid]);
			}
		}
	}
}
}

// Clear event data now that it's been saved.
unset($start_time, $start_time_tmp, $end_time, $end_time_tmp, $start_unixtime, $start_unixtime_tmp, $end_unixtime, $end_unixtime_tmp, $summary, $length, $description, $status, $class, $location, $organizer, $attendee);

?>