[PHPiCalendar-Commits] phpicalendar/functions end_vevent.php, NONE, 1.1

[<ji...@us...>]

Update of /cvsroot/phpicalendar/phpicalendar/functions
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv23353/phpicalendar/functions

Added Files:
	end_vevent.php 
Log Message:
split end vevent code for maintainability


--- NEW FILE: end_vevent.php ---
<?php
/* end_vevent.php

What happens in this file:
1. Initialization
2. 



*/

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

// Handle DURATION
if (!isset($end_unixtime) && isset($the_duration)) {
	$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 ($uid_valid && isset($processed[$uid]) && isset($recurrence_id['date'])) {
	
	$old_start_date = $processed[$uid][0];
	$old_start_time = $processed[$uid][1];
	if ($recurrence_id['value'] == 'DATE') $old_start_time = '-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'];
	if (!isset($location)) $location = $master_array[$old_start_date][$old_start_time][$uid]['location'];
	if (!isset($organizer)) $organizer = $master_array[$old_start_date][$old_start_time][$uid]['organizer'];
	if (!isset($status)) $status = $master_array[$old_start_date][$old_start_time][$uid]['status'];
	if (!isset($attendee)) $attendee = $master_array[$old_start_date][$old_start_time][$uid]['attendee'];
	if (!isset($url)) $url = $master_array[$old_start_date][$old_start_time][$uid]['url'];
	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 $uid twice here
		if (sizeof($master_array[$start_date_tmp][$old_start_time]) == 0) {
			unset($master_array[$start_date_tmp][$old_start_time]);
		}
	}
	
	$write_processed = false;
} else {
	$write_processed = true;
}

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);
	}
}
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;
	$bleed_check = 0;
}
if (isset($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;
}
	
// 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), $type);
}
			
// Handling of the all day events
if ((isset($allday_start) && $allday_start != '')) {
	$start = strtotime($allday_start);
	if ($spans_day) {
		$allday_end = date('Ymd',$end_unixtime);
	}
	if (isset($allday_end)) {
		$end = strtotime($allday_end);
	} else {
		$end = strtotime('+1 day', $start);
	}
	// Changed for 1.0, basically write out the entire event if it starts while the array is written.
	# while loop handles multi-day allday events to write separate master_array elements for each day.
	if (($start < $mArray_end) && ($start < $end)) {
		while (($start != $end) && ($start < $mArray_end)) {
			$start_date2 = date('Ymd', $start);
			$master_array[($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 );
			$start = strtotime('+1 day', $start);
		}
		if (!$write_processed) $master_array[($start_date)]['-1'][$uid]['exception'] = true;
	}
}

// Handling regular events
if ((isset($start_time) && $start_time != '') && (!isset($allday_start) || $allday_start == '')) {
	if (($end_time >= $bleed_time) && ($bleed_check == '-1')) {
		$start_tmp = strtotime(date('Ymd',$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';
				$display_end_tmp = $end_time;
			}
			
			$master_array[$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' => 0, 
				'description' => $description, 
				'status' => $status, 
				'class' => $class, 
				'spans_day' => true, 
				'location' => $location, 
				'organizer' => serialize($organizer), 
				'attendee' => serialize($attendee), 
				'calnumber' => $calnumber, 
				'calname' => $actual_calname, 
				'url' => $url );
			if (isset($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);
		}
		if (!$write_processed) $master_array[$start_date][($hour.$minute)][$uid]['exception'] = true;
	} else {
		if ($bleed_check == '-1') {
			$display_end_tmp = $end_time;
			$end_time_tmp1 = '2400';	
		}
		
		if (!isset($end_time_tmp1)) $end_time_tmp1 = $end_time;
	
		// This if statement should prevent writing of an excluded date if its the first recurrance - CL
		if (!in_array($start_date, $except_dates)) {
			$master_array[($start_date)][($hour.$minute)][$uid] = array (
				'event_start' => $start_time, 
				'event_end' => $end_time_tmp1, 
				'start_unixtime' => $start_unixtime, 
				'end_unixtime' => $end_unixtime, 
				'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' => $url );
			if (isset($display_end_tmp)){
				$master_array[($start_date)][($hour.$minute)][$uid]['display_end'] = $display_end_tmp;
			}
			checkOverlap($start_date, ($hour.$minute), $uid);
			if (!$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';
	}
	
	$start_date_time = strtotime($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; 						
	}
	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 = 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]);
				$master_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = localizeDate($dateFormat_week,$until);
				break;
			case 'INTERVAL':
				if ($val > 0){
				$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':

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

			// Modify the COUNT based on BYDAY
			if ((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);

				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, $next_range_time) + $nth * 604800;
												$month = date('m', $next_date_time);
												if (in_array($month, $bymonth)) {
													$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);
											//echo date('Ymd',$next_date_time).$summary.'<br>';
										}
										$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);
											}
											$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), $uid);
										}
									}
								}
							}
						}
						unset($recur_data);
					}
				}
			}
		}	
	}
}

// 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);

?>