/**
* return iCaldateTime object instance based on date array and timezone(s)
*
* @author Kjell-Inge Gustafsson, kigkonsult <*****@*****.**>
* @since 2.21.11 - 2015-03-28
* @param array $date
* @param array $params
* @param array $tz
* @param string $dtstartTz
* @uses iCalUtilityFunctions::$fmt
* @uses iCaldateTime::getTimezoneName()
* @uses iCaldateTime::$dateFormat
* @uses iCaldateTime::$key
* @return object instance
*/
public static function factory(array $date, $params = null, $tz = null, $dtstartTz = null)
{
if (isset($params['TZID']) && !empty($params['TZID'])) {
$tz = 'Z' == $params['TZID'] ? 'UTC' : $params['TZID'];
} elseif (isset($tz['tz']) && !empty($tz['tz'])) {
$tz = 'Z' == $tz['tz'] ? 'UTC' : $tz['tz'];
} else {
$tz = ini_get('date_default_timezone_set');
}
$strdate = sprintf(iCalUtilityFunctions::$fmt['Ymd'], (int) $date['year'], (int) $date['month'], (int) $date['day']);
if (isset($date['hour'])) {
$strdate .= 'T' . sprintf(iCalUtilityFunctions::$fmt['His'], (int) $date['hour'], (int) $date['min'], (int) $date['sec']);
}
try {
$timezone = new DateTimeZone($tz);
$d = new iCaldateTime($strdate, $timezone);
} catch (Exception $e) {
$d = new iCaldateTime($strdate);
}
if (!empty($dtstartTz)) {
if ('Z' == $dtstartTz) {
$dtstartTz = 'UTC';
}
if ($dtstartTz != $d->getTimezoneName()) {
// set the same timezone as dtstart
try {
$timezone = new DateTimeZone($dtstartTz);
$d->setTimezone($timezone);
} catch (Exception $e) {
}
}
}
unset($timezone, $strdate);
if (isset($params['VALUE']) && 'DATE' == $params['VALUE']) {
$d->dateFormat = 'Y-m-d';
$d->key = $d->format('Ymd');
} else {
$d->key = $d->format('YmdHis');
}
return $d;
}
