CWebDavIblock::CheckUserIBlockPermission

static function CheckUserIBlockPermission($permission, $type, $iBlockID, $id = null)
{
	$obj = self::GetIBlockRightsObject($type, $iBlockID, $id);
	if(!is_object($obj))
	{
		return false;
	}
	return $obj::UserHasRightTo($iBlockID, $id, $permission);
}