);
}
- try {
- // tzid an Olson identifier?
- $tz = new DateTimeZone($tzid->value);
- } catch (Exception $e) {
-
- // Not an Olson id, we're going to try to find the information
- // through the time zone name map.
- $newtzid = Sabre_VObject_WindowsTimezoneMap::lookup($tzid->value);
- if (is_null($newtzid)) {
-
- // Not a well known time zone name either, we're going to try
- // to find the information through the VTIMEZONE object.
-
- // First we find the root object
- $root = $property;
- while($root->parent) {
- $root = $root->parent;
- }
-
- if (isset($root->VTIMEZONE)) {
- foreach($root->VTIMEZONE as $vtimezone) {
- if (((string)$vtimezone->TZID) == $tzid) {
- if (isset($vtimezone->{'X-LIC-LOCATION'})) {
- $newtzid = (string)$vtimezone->{'X-LIC-LOCATION'};
- } else {
- // No libical location specified. As a last resort we could
- // try matching $vtimezone's DST rules against all known
- // time zones returned by DateTimeZone::list*
-
- // TODO
- }
- }
- }
- }
- }
-
- try {
- $tz = new DateTimeZone($newtzid);
- } catch (Exception $e) {
- // If all else fails, we use the default PHP timezone
- $tz = new DateTimeZone(date_default_timezone_get());
- }
+ // To look up the timezone, we must first find the VCALENDAR component.
+ $root = $property;
+ while($root->parent) {
+ $root = $root->parent;
}
+ if ($root->name === 'VCALENDAR') {
+ $tz = Sabre_VObject_TimeZoneUtil::getTimeZone((string)$tzid, $root);
+ } else {
+ $tz = Sabre_VObject_TimeZoneUtil::getTimeZone((string)$tzid);
+ }
+
$dt = new DateTime($dateStr, $tz);
$dt->setTimeZone($tz);