/**
* Adds Seconds to a given UTC Timestamp.
* Respects Winter/Summertime, because of given Timezone of Event
* Returns UTC Timestamp
*
* @param integer $intUtcTimestamp
* @param integer $intSecondsToAdd
* @param string $strEventTimezone
* @return integer UTC Timestamp
*/
public function createRepeatableEvents($intUtcTimestamp, $intSecondsToAdd, $strEventTimezone = '')
{
$objTimeZone = $strEventTimezone === '' ? $this->userTimeZone : new DateTimeZone($strEventTimezone);
$objTime = new DateTimeLocale($this->helper_dtime($intUtcTimestamp), $objTimeZone);
$objTime->setTimezone($objTimeZone);
if ($intSecondsToAdd > 0) {
$objTime->add(new DateInterval("PT" . $intSecondsToAdd . "S"));
} else {
$objTime->sub(new DateInterval("PT" . $intSecondsToAdd . "S"));
}
return $objTime->format("U");
}
/**
* Output proper Time
*
* @param $format Format of the Output
* @param $tstamp Timestamp
* @return Formatted time string
*/
public function date($format = "Y-m-d H:i:s", $dtime = '', $chk_summer = true)
{
//check for summer time
if ($chk_summer && $this->date('I', $dtime, false) == '1') {
$dtime += 3600;
}
$dateTime = new DateTimeLocale($this->helper_dtime($dtime), $this->serverTimeZone);
$dateTime->setTimezone($this->userTimeZone);
return $dateTime->format($format);
}
