/**
* Parse a date with the given format, preferably with ICS_DATETIME if possible.
*
* @param Of_Date $date
* @param string $format Date format. Can be Of_Date::ICS_DATETIME or Of_Date::ICS_DATE.
*/
function parseTZIDedDate($date, $format=Of_Date::ICS_DATETIME) {
if ($date->getOriginalTimeZone() && $format == Of_Date::ICS_DATETIME) {
$date->setTimezone(new DateTimeZone($date->getOriginalTimeZone()));
$res = ';TZID='. $date->getOriginalTimeZone().':'. $date->get($format);
$date->setDefaultTimezone();
} else {
$res = ':'. $this->parseDate($date, $format);
}
return $res;
}
