", $summary);
$summary = stripslashes($summary);
$description = str_replace("\\n", "
", $description);
$mArray_begin = mktime (0,0,0,1,1,$this_year);
$mArray_end = mktime (0,0,0,1,10,($this_year + 1));
if ($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 = $time3[2];
}
// Handling of the all day events
if (($allday_start != "") && ($rrule_array == "")) {
$start = strtotime("$allday_start");
$end = strtotime("$allday_end");
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", $start);
}
}
}
// Handling of the recurring events, RRULE
// This will be quite a bit of work, thats for sure.
if (is_array($rrule_array)) {
if ($allday_start != "") {
$rrule_array["START_DAY"] = $allday_start;
$rrule_array["END_DAY"] = $allday_end;
$rrule_array["END"] = "end";
$recur_start = $allday_start;
} 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") {
if ($val == "YEARLY") {
$interval = "yyyy";
} elseif ($val == "MONTHLY") {
$interval = "m";
} elseif ($val == "WEEKLY") {
$interval = "ww";
} elseif ($val == "DAILY") {
$interval = "d";
} elseif ($val == "HOURLY") {
$interval = "h";
} elseif ($val == "MINUTELY") {
$interval = "n";
} elseif ($val == "SECONDLY") {
$interval = "s";
}
} elseif ($key == "COUNT") {
$count = $val;
} elseif ($key == "UNTIL") {
$until = ereg_replace("T", "", $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");
} 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 (",", $byday);
} elseif ($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") {
if ($allday_start != "") {
// Since we hit the end of the RRULE array, lets do something.
// Below handles yearly, montly, weekly, daily all-day events.
// $start_of_vevent is the date the recurring event starts.
// $end_of_vevent is the date the recurring event stops.
// $count and $count_to check for the COUNT feature
// $until checks for the UNTIL feature, makes sure we don't recur past it.
$start_of_vevent = strtotime("$allday_start");
$end_of_vevent = strtotime("$allday_end");
$count_to = 0;
if (!$until) $until = $mArray_end;
if ($start_of_vevent < $mArray_end) {
do {
// This steps through each day of a multiple all-day event and adds to master array
// Every all day event should pass through here at least once if its recurring.
$start = $start_of_vevent;
$end = $end_of_vevent;
while ($start != $end) {
$start_date = date("Ymd", $start);
if (($end > $mArray_begin) && ($end < $mArray_end)) {
$master_array[($start_date)][("-1")][]= array ("event_text" => "$summary", "description" => $description);
}
$start = strtotime("+1 day", $start);
}
$start_of_vevent = DateAdd ($interval, $number, $start_of_vevent);
$end_of_vevent = DateAdd ($interval, $number, $end_of_vevent);
$count_to++;
} while (($start_of_vevent < $mArray_end) && ($count != $count_to) && ($start_of_vevent < $until));
}
// Let's take care of recurring events that are not all day events
// DAILY and WEEKLY recurrences seem to work fine. Need feedback.
// Known bug, doesn't look at UNTIL or COUNT yet.
} else {
// 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");
$start_range_time = strtotime("-1 month -2 day", $this_month_start_time);
$end_range_time = strtotime("+2 month +2 day", $this_month_start_time);
// NOTE: This part not in use for the time being. We are choosing to fill out 3 months time.
// depending on which view we're looking at, we do one month or one week
// one day is more difficult, I think, so I wrapped that into the week. We'll have to
// add another case for "year" once that's added.
/*
if ($current_view == "month") {
$start_range_time = strtotime("$this_year-$this_month-01");
$end_range_time = strtotime("+1 month +1 week", $start_range_time);
} else {
$start_range_time = strtotime(dateOfWeek($getdate, $week_start_day));
$end_range_time = strtotime("+1 week", $start_range_time);
}
*/
// if $until isn't set yet, we set it to the end of our range we're looking at
if (!$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 != $count)) {
// handling WEEKLY events here
if ($rrule_array["FREQ"] == "WEEKLY") {
// use weekCompare to see if we even have this event this week
$diff_weeks = weekCompare(date("Ymd",$next_range_time), $start_date);
if ($diff_weeks < $count) {
if ($week_diff % $number == 0) {
$interval = $number;
// loop through the days on which this event happens
foreach($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);
if (($next_date_time > $start_date_time) && ($next_date_time <= $end_date_time) && ($count_to != $count) && !in_array($next_date, $except_dates)) {
// add it to the array if it passes inspection, it allows the first time to be
// written by the master data writer (hence the > instead of >=) otherwise we can special case these
// before, the first one would get entered twice and show up twice
// $next_date can fall up to a week behind $next_range_time because of how dateOfWeek works
// so we have to check this again. It uses $except_dates so it doesn't add to $master_array
// on days that have been deleted by the user
// check for overlapping events
$nbrOfOverlaps = checkOverlap();
// writes to $master array here
$master_array[($next_date)][($hour.$minute)][] = array ("event_start" => $start_time, "event_text" => $summary, "event_end" => $end_time, "event_length" => $length, "event_overlap" => $nbrOfOverlaps, "description" => $description);
}
}
} else {
$interval = 1;
}
$next_range_time = strtotime("+$interval week", $next_range_time);
} else {
// end the loop because we aren't going to write this event anyway
$count_to = $count;
}
// handling DAILY events here
} elseif ($rrule_array["FREQ"] == "DAILY") {
// use dayCompare to see if we even have this event this day
$diff_days = dayCompare(date("Ymd",$next_range_time), $start_date);
if ($diff_days < $count) {
if ($diff_days % $number == 0) {
$interval = $number;
$next_date = date("Ymd", $next_range_time);
$next_date_time = strtotime($next_date);
if (($next_date_time > $start_date_time) && ($next_date_time <= $end_date_time) && ($count_to != $count) && !in_array($next_date, $except_dates)) {
// same general concept as the WEEKLY recurrence
// check for overlapping events
$nbrOfOverlaps = checkOverlap();
// writes to $master array here
$master_array[($next_date)][($hour.$minute)][] = array ("event_start" => $start_time, "event_text" => $summary, "event_end" => $end_time, "event_length" => $length, "event_overlap" => $nbrOfOverlaps, "description" => $description);
}
} else {
$interval = 1;
}
$next_range_time = strtotime("+$interval day", $next_range_time);
} else {
// end the loop because we aren't going to write this event anyway
$count_to = $count;
}
// handling MONTHLY events here
} elseif ($rrule_array["FREQ"] == "MONTHLY") {
$next_range_time = strtotime(date("Y-m-01", $next_range_time));
// use monthCompare to see if we even have this event this month
$diff_months = monthCompare(date("Ymd",$next_range_time), $start_date);
if ($diff_months < $count) {
if ($diff_months % $number == 0) {
$interval = $number;
// 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") {
$next_date_time = strtotime(date("Y-m-",$next_range_time).$day);
$next_date = date("Ymd", $next_date_time);
if (($next_date_time > $start_date_time) && ($next_date_time <= $end_date_time) && ($count_to != $count) && !in_array($next_date, $except_dates)) {
// same general concept as the WEEKLY recurrence
// check for overlapping events
$nbrOfOverlaps = checkOverlap();
// writes to $master array here
$master_array[($next_date)][($hour.$minute)][] = array ("event_start" => $start_time, "event_text" => $summary, "event_end" => $end_time, "event_length" => $length, "event_overlap" => $nbrOfOverlaps, "description" => $description);
}
}
}
// our other case
} else {
// loop through the days on which this event happens
foreach($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", $next_date_time);
if (($next_date_time > $start_date_time) && ($next_date_time <= $end_date_time) && ($count_to != $count) && !in_array($next_date, $except_dates)) {
// same general concept as the WEEKLY recurrence
// check for overlapping events
$nbrOfOverlaps = checkOverlap();
// writes to $master array here
$master_array[($next_date)][($hour.$minute)][] = array ("event_start" => $start_time, "event_text" => $summary, "event_end" => $end_time, "event_length" => $length, "event_overlap" => $nbrOfOverlaps, "description" => $description);
}
}
}
} else {
$interval = 1;
}
$next_range_time = strtotime("+$interval month", $next_range_time);
} else {
// end the loop because we aren't going to write this event anyway
$count_to = $count;
}
// anything else we need to end the loop
} else {
$next_range_time = $end_range_time + 100;
$count_to = $count;
}
}
}
}
}
}
}
// Let's write all the data to the master array
if ($start_time != "") {
// check for overlapping events
$nbrOfOverlaps = checkOverlap();
// 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);
}
} else {
$field = "";
$data = "";
sscanf($line, "%[^:]:%[^\n]", &$field, &$data);
if(strstr($field, "DTSTART;TZID")) {
$data = ereg_replace("T", "", $data);
ereg ("([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})", $data, $regs);
$year = $regs[1];
$month = $regs[2];
$day = $regs[3];
$hour = $regs[4];
$minute = $regs[5];
$start_date = $year . $month . $day;
$start_time = $hour . $minute;
} elseif (strstr($field, "DTEND;TZID")) {
$data = ereg_replace("T", "", $data);
ereg ("([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})", $data, $regs);
$year = $regs[1];
$month = $regs[2];
$day = $regs[3];
$hour = $regs[4];
$minute = $regs[5];
$end_day = $year . $month . $day;
$end_time = $hour . $minute;
} elseif (strstr($field, "EXDATE;TZID")) {
$data = ereg_replace("T", "", $data);
ereg ("([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{0,2})([0-9]{0,2})", $data, $regs);
$year = $regs[1];
$month = $regs[2];
$day = $regs[3];
$hour = $regs[4];
$minute = $regs[5];
$except_dates[] = $year . $month . $day;
$except_times[] = $hour . $minute;
} elseif (strstr($field, "SUMMARY")) {
$summary = $data;
} elseif (strstr($field, "DESCRIPTION")) {
$description = $data;
} elseif (strstr($field, "X-WR-CALNAME")) {
$calendar_name = $data;
} elseif (strstr($field, "DTSTART;VALUE=DATE")) {
$allday_start = $data;
// echo "$allday_start";
} elseif (strstr($field, "DTEND;VALUE=DATE")) {
$allday_end = $data;
} elseif (strstr($field, "DURATION")) {
if (($first_duration = TRUE) && (!strstr($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];
} else {
$days = $duration[1];
}
$hours = $duration[4];
$minutes = $duration[6];
$seconds = $duration[8];
$the_duration = ($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);
$first_duration = FALSE;
}
} elseif (strstr($field, "RRULE")) {
// $data = "RRULE:FREQ=YEARLY;INTERVAL=2;BYMONTH=1;BYDAY=SU;BYHOUR=8,9;BYMINUTE=30";
$data = ereg_replace ("RRULE:", "", $data);
$rrule = split (";", $data);
foreach ($rrule as $recur) {
ereg ("(.*)=(.*)", $recur, $regs);
$rrule_array[$regs[1]] = $regs[2];
}
} elseif (strstr($field, "ATTENDEE")) {
$attendee = $data;
// echo "$attendee";
}
}
}
// Sort the array by absolute date.
if (is_array($master_array)) {
ksort($master_array);
reset($master_array);
}
// Store information in the session
/*if ($use_sessions == "yes") {
session_start();
session_register( "aArray", "aYear", "aLanguage", "aCalendar" );
$aArray = $master_array;
$aYear = $this_year;
$aLanguage = $language;
$aCalendar = $cal;
}*/
// End the session
//}
//If you want to see the values in the arrays, uncomment below.
//print "";
//print_r($master_array);
//print_r($overlap_array);
//print_r($day_array);
//print_r($rrule);
//print "
";
?>