DateLib::callAddWorkDays

public function callAddWorkDays(Arguments $args)
{
	$date = $args->getFirstSingle();
	$offset = $this->getDateTimeOffset($date);
	$days = (int)$args->getSecond();

	if (($date = $this->makeTimestamp($date)) === false)
	{
		return null;
	}

	if ($days === 0 || !MainLoader::includeModule('calendar'))
	{
		return $date;
	}

	$date = $this->addWorkDay($date, $days);

	return new BizprocBaseTypeValueDateTime($date, $offset);
}