2345) {
$allday_start = $start_date;
$allday_end = ($start_date + 1);
}
// If the events go past midnight
if ($end_time < $start_time) $end_time = 2359;
if (isset($start_time) && $start_time != '') {
ereg ('([0-9]{2})([0-9]{2})', $start_time, $time);
ereg ('([0-9]{2})([0-9]{2})', $end_time, $time2);
$length = ($time2[1]*60+$time2[2]) - ($time[1]*60+$time[2]);
$drawKey = drawEventTimes($start_time, $end_time);
ereg ('([0-9]{2})([0-9]{2})', $drawKey['draw_start'], $time3);
$hour = $time3[1];
$minute = $time3[2];
}
// Handling of the all day events
if ((isset($allday_start) && $allday_start != '')) {
$start = strtotime($allday_start);
if (isset($allday_end)) {
$end = strtotime($allday_end);
} else {
$end = strtotime('+1 day', $start);
}
if (($end > $mArray_begin) && ($end < $mArray_end)) {
while ($start != $end) {
$start_date = date('Ymd', $start);
$master_array[($start_date)][('-1')][]= array ('event_text' => $summary, 'description' => $description);
$start = strtotime('+1 day', $start);
}
}
}
// Handling of the recurring events, RRULE
// jared-2002.10.17, Commented this line out, replacing it with another. Not sure why the $allday_written var was
// implemented. This var in this "if" broke all recurring all-day event support (ie, only the first occurrence would show up)
// let's chat about why and figure out a better solution
// if ((is_array($rrule_array)) && ($allday_written != TRUE)) {
if (is_array($rrule_array)) {
if (isset($allday_start) && $allday_start != '') {
$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;
$rrule_array['END'] = 'end';
}
//print_r($rrule_array);
foreach ($rrule_array as $key => $val) {
if ($key == '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': $freq_type = 'second'; break;
}
} elseif ($key == 'COUNT') {
$count = $val;
} elseif ($key == 'UNTIL') {
$until = ereg_replace('T', '', $val);
$until = ereg_replace('Z', '', $val);
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];
$until = strtotime($year.$month.$day);
$until = strtotime('+12 hours', $until);
} elseif ($key == 'INTERVAL') {
$number = $val;
} elseif ($key == 'BYSECOND') {
$bysecond = $val;
$bysecond = split (',', $bysecond);
} elseif ($key == 'BYMINUTE') {
$byminute = $val;
$byminute = split (',', $byminute);
} elseif ($key == 'BYHOUR') {
$byhour = $val;
$byhour = split (',', $byhour);
} elseif ($key == 'BYDAY') {
$byday = $val;
$byday = split (',', $byday);
#echo "";
#print_r ($byday);
#echo "
";
} elseif ($key == 'BYMONTHDAY') {
$bymonthday = $val;
$bymonthday = split (',', $bymonthday);
//print_r ($bymonthday);
} elseif ($key == 'BYYEARDAY') {
$byyearday = $val;
$byyearday = split (',', $byyearday);
} elseif ($key == 'BYWEEKNO') {
$byweekno = $val;
$byweekno = split (',', $byweekno);
} elseif ($key == 'BYMONTH') {
$bymonth = $val;
$bymonth = split (',', $bymonth);
} elseif ($key == 'BYSETPOS') {
$bysetpos = $val;
} elseif ($key == 'WKST') {
$wkst = $val;
} elseif ($key == 'END') {
// again, $parse_to_year is set to January 10 of the upcoming year
$parse_to_year_time = mktime(0,0,0,1,10,($this_year + 1));
$start_date_time = strtotime($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);
}
// 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;
// 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 >= $start_date_time && $start_range_time <= $end_date_time) {
// if the beginning of our range is less than the start of the item, we may as well set it equal to it
if ($start_range_time < $start_date_time) $start_range_time = $start_date_time;
if ($end_range_time > $end_date_time) $end_range_time = $end_date_time;
// initialze the time we will increment
$next_range_time = $start_range_time;
$count_to = 0;
// start at the $start_range and go until we hit the end of our range.
while (($next_range_time >= $start_range_time) && ($next_range_time <= $end_range_time) && ($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 $day) {
if ($day != '0') {
$day = str_pad($day, 2, '0', STR_PAD_LEFT);
$next_date_time = strtotime(date('Y-m-',$next_range_time).$day);
$next_date = date('Ymd', $next_date_time);
$recur_data[] = $next_date_time;
}
}
// our other case
} else {
// loop through the days on which this event happens
foreach($byday as $day) {
ereg ('([0-9]{1})([A-Z]{2})', $day, $byday_arr);
$nth = $byday_arr[1]-1;
$on_day = two2threeCharDays($byday_arr[2]);
$next_date_time = strtotime($on_day.' +'.$nth.' week', $next_range_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);
$month = str_pad($month, 2, '0', STR_PAD_LEFT);
if (is_array($byday)) {
$checkdate_time = strtotime($year.$month.'01');
foreach($byday as $day) {
ereg ('([0-9]{1})([A-Z]{2})', $day, $byday_arr);
$nth = $byday_arr[1]-1;
$on_day = two2threeCharDays($byday_arr[2]);
$next_date_time = strtotime($on_day.' +'.$nth.' week', $checkdate_time);
}
} else {
$day = date('d', $start_date_time);
$next_date_time = strtotime($year.$month.$day);
}
$recur_data[] = $next_date_time;
}
break;
default:
// anything else we need to end the loop
$next_range_time = $end_range_time + 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($recur_data)) {
foreach($recur_data as $recur_data_time) {
$recur_data_date = date('Ymd', $recur_data_time);
if (($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 {
// check for overlapping events
$nbrOfOverlaps = checkOverlap($recur_data_date, $start_time, $end_time);
// writes to $master array here
$master_array[($recur_data_date)][($hour.$minute)][] = array ('event_start' => $start_time, 'event_text' => $summary, 'event_end' => $end_time, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description);
}
}
}
unset($recur_data);
}
}
}
}
}
}
// Let's write all the data to the master array
if ((isset($start_time) && $start_time != '') && (!isset($allday_start) || $allday_start == '')) {
// check for overlapping events
$nbrOfOverlaps = checkOverlap($start_date, $start_time, $end_time);
// writes to $master array here
$master_array[($start_date)][($hour.$minute)][] = array ('event_start' => $start_time, 'event_text' => $summary, 'event_end' => $end_time, 'event_length' => $length, 'event_overlap' => $nbrOfOverlaps, 'description' => $description);
}
} elseif (stristr($line, "BEGIN:VALARM")) {
$valarm_set = TRUE;
} elseif (stristr($line, "END:VALARM")) {
$valarm_set = FALSE;
} else {
unset ($field, $data);
ereg ("([^:]+):(.*)", $line, $line);
$field = $line[1];
$data = $line[2];
if (preg_match("/^DTSTART/i", $field)) {
$data = ereg_replace('T', '', $data);
$data = ereg_replace('Z', '', $data);
if (preg_match("/^DTSTART;VALUE=DATE/i", $field)) {
$allday_start = $data;
//echo "$summary - $allday_start
";
} else {
if (preg_match("/^DTSTART;TZID=/i", $field)) {
$tz_tmp = explode('=', $field);
$tz_dtstart = $tz_tmp[1];
unset($tz_tmp);
}
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 = date('O', $start_unixtime);
if (isset($tz_dtstart)) {
$offset_tmp = $tz_array[$tz_dtstart][$dlst];
} elseif (isset($calendar_tz)) {
$offset_tmp = $tz_array[$calendar_tz][$dlst];
} 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);
}
} elseif (preg_match("/^DTEND/i", $field)) {
$data = ereg_replace('T', '', $data);
$data = ereg_replace('Z', '', $data);
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);
}
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 = date('O', $start_unixtime);
if (isset($tz_dtend)) {
$offset_tmp = $tz_array[$tz_dtend][$dlst];
} elseif (isset($calendar_tz)) {
$offset_tmp = $tz_array[$calendar_tz][$dlst];
} else {
$offset_tmp = $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);
}
} elseif (preg_match("/^EXDATE/i", $field)) {
$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];
}
} elseif (preg_match("/^SUMMARY/i", $field)) {
$data = str_replace("\\n", "
", $data);
$data = htmlentities(urlencode($data));
$summary = $data;
} elseif (preg_match("/^DESCRIPTION/i", $field)) {
$data = str_replace("\\n", "
", $data);
$data = htmlentities(urlencode($data));
if ($valarm_set == FALSE) {
$description = $data;
} else {
$valarm_description = $data;
}
} elseif (preg_match("/^X-WR-CALNAME/i", $field)) {
$calendar_name = $data;
$master_array['calendar_name'] = $calendar_name;
} elseif (preg_match("/^X-WR-TIMEZONE/i", $field)) {
$calendar_tz = $data;
$master_array['calendar_tz'] = $calendar_tz;
} elseif (preg_match("/^DURATION/i", $field)) {
if (($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);
$beginning = (strtotime($start_time) + $the_duration);
$end_time = date ('Hi', $beginning);
$first_duration = FALSE;
}
} elseif (preg_match("/^RRULE/i", $field)) {
$data = ereg_replace ('RRULE:', '', $data);
$rrule = split (';', $data);
foreach ($rrule as $recur) {
ereg ('(.*)=(.*)', $recur, $regs);
$rrule_array[$regs[1]] = $regs[2];
}
} elseif (preg_match("/^ATTENDEE/i", $field)) {
$attendee = $data;
}
}
}
// Sort the array by absolute date.
if (isset($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, $realcal_mtime);
}
}
//If you want to see the values in the arrays, uncomment below.
//print '';
//print_r($master_array);
//print_r($overlap_array);
//print_r($day_array);
//print_r($rrule);
//print '
';
?>