JHtmlRules/ getParentAssetId

static JHtmlRules::_getParentAssetId($assetId)

jimport( 'joomla.html.html.rules' );

        protected static function _getParentAssetId($assetId)
        {
                // Get a database object.
                $db = JFactory::getDBO();
 
                // Get the user groups from the database.
                $db->setQuery(
                        'SELECT parent_id' .
                        ' FROM #__assets' .
                        ' WHERE id = '.(int) $assetId
                );
                return (int) $db->loadResult();
        }