CBPCalc::functionDate

private function functionDate($args)
{
	$ar = $this->ArrgsToArray($args);
	$format = array_shift($ar);
	$date = array_shift($ar);

	if (!$format || !is_string($format))
	{
		return null;
	}

	$ts = $date ? $this->makeTimestamp($date, true) : time();

	if (!$ts)
	{
		return null;
	}

	return date($format, $ts);
}