TimeHelper::createDateTimeFromTimestamp

private function createDateTimeFromTimestamp($timestamp, $offset = 0)
{
	if ($offset instanceof DateTimeZone)
	{
		$tz = $offset;
	}
	else
	{
		$tz = $this->createTimezoneByOffset($offset);
	}
	return $this->buildDateTimeFromFormat('U', $timestamp, $tz);
}