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<?
if(phpversion() >= "4.2.0")
{
extract($HTTP_POST_VARS);
extract($HTTP_GET_VARS);
}
$day_array = array ("0700", "0730", "0800", "0830", "0900", "0930", "1000", "1030", "1100", "1130", "1200", "1230", "1300", "1330", "1400", "1430", "1500", "1530", "1600", "1630", "1700", "1730", "1800", "1830", "1900", "1930", "2000", "2030", "2100", "2130", "2200", "2230", "2300", "2330");
// what iCal file are we using
$fullpath = "webcal://chadsdomain.com/ical/Home.ics";
$filename = "calendars/Home.ics";
// what date we want to get data for (for day calendar)
if (!$getdate) $getdate = date("Ymd");
ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $getdate, $day_array2);
$this_day = $day_array2[3];
$this_month = $day_array2[2];
$this_year = $day_array2[1];
// open the iCal file, read it into a string
$fp = fopen($filename, "r");
$contents = fread ($fp, filesize ($filename));
fclose ($fp);
// turn that string into an array
$contents = ereg_replace("\n ", "", $contents);
$contents = split ("\n", $contents);
// parse our new array
foreach($contents as $line) {
if (strstr($line, "BEGIN:VEVENT")) {
$start_time = "";
$end_time = "";
$summary = "";
$allday_start = "";
$allday_end = "";
$start = "";
$end = "";
$the_duration = "";
$beginning = "";
$rrule_array = "";
} elseif (strstr($line, "END:VEVENT")) {
//echo "<b>Start</b> $start_time <b>End</B> $end_time <b>Summary</b> $summary<br>\n";
if ($start_time != "") {
ereg ("([0-9]{2})([0-9]{2})", $start_time, $time);
$hour = $time[1];
$minute = $time[2];
if ($minute < 15) {
$minute = "00";
} elseif ($minute >=15 && $minute < 45) {
$minute = "30";
} elseif ($minute >= 45) {
$hour = sprintf("%.02d", ($hour + 1));
$minute = "00";
}
ereg ("([0-9]{2})([0-9]{2})", $end_time, $time2);
$length = round((($time2[1]*60+$time2[2]) - ($time[1]*60+$time[2]))/30);
}
// Handling of the all day events
if ($allday_start != "") {
$start = strtotime("$allday_start");
$end = strtotime("$allday_end");
do {
$start_date = date("Ymd", $start);
$master_array[($start_date)][("0001")]["event_text"][] = "$summary";
$i++;
$start = ($start + (24*3600));
} while ($start != $end);
}
// Handling of the recurring events, RRULE
if (is_array($rrule_array)) {
if ($allday_start != "") {
$rrule_array["START_DAY"] = $allday_start;
} else {
$rrule_array["START_TIME"] = $start_time;
$rrule_array["END_TIME"] = $end_time;
}
// print_r($rrule_array);
foreach ($rrule_array as $key => $val) {
if ($key["FREQ"]) {
if ($val == "YEARLY") {
$freq_time = strtotime("+1 year");
} elseif ($val == "MONTHLY") {
$freq_time = ($val * 60 * 60 * 24 * 7);
} elseif ($val == "WEEKLY") {
$freq_time = ($val * 60 * 60 * 24 * 7);
} elseif ($val == "DAILY") {
$freq_time = ($val * 60 * 60 * 24);
} elseif ($val == "HOURLY") {
$freq_time = ($val * 60 * 60);
} elseif ($val == "MINUTELY") {
$freq_time = ($val * 60);
} elseif ($val == "SECONDLY") {
$freq_time = ($val);
}
// echo "$freq_time";
} elseif ($key["COUNT"]) {
$count = $val;
} elseif ($key["UNTIL"]) {
$until = $val;
} elseif ($key["INTERVAL"]) {
$interval = $val;
} elseif ($key["BYSECOND"]) {
$bysecond = $val;
} elseif ($key["BYMINUTE"]) {
$byminute = $val;
} elseif ($key["BYHOUR"]) {
$byhour = $val;
} elseif ($key["BYDAY"]) {
$byday = $val;
} elseif ($key["BYMONTHDAY"]) {
$bymonthday = $val;
} elseif ($key["BYYEARDAY"]) {
$byyearday = $val;
} elseif ($key["BYWEEKNO"]) {
$byweekno = $val;
} elseif ($key["BYMONTH"]) {
$bymonth = $val;
} elseif ($key["BYSETPOS"]) {
$bysetpos = $val;
} elseif ($key["WKST"]) {
$wkst = $val;
}
}
}
// Let's write all the data to the master array
if ($start_time != "") {
$master_array[($start_date)][($hour.$minute)][] = array ("event_start" => $start_time, "event_text" => $summary, "event_end" => $end_time, "event_length" => $length);
}
} 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, "SUMMARY")) {
$summary = $data;
} elseif (strstr($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")) {
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, $duration);
if ($durartion[2] = "W") {
$weeks = $durartion[1];
} else {
$days = $durartion[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", $beginning);
} elseif (strstr($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";
}
}
}
// If you want to see the values in the arrays, uncomment below.
// print_r($master_array);
// print_r($day_array);
// print_r($rrule);
?>
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