DateLib::callGetUserDateOffset

public function callGetUserDateOffset(Arguments $args)
{
	$user = $args->getFirst();

	if (!$user)
	{
		return null;
	}

	$userId = CBPHelper::extractFirstUser($user, $args->getParser()->getActivity()->getDocumentId());

	if (!$userId)
	{
		return 0;
	}

	return CTimeZone::GetOffset($userId, true);
}