<?php class Model_Menu extends \Orm\Model_Nestedset { protected static $_properties = array( 'id', 'left_id', 'right_id', 'menu_id', 'title', 'link', 'icon', 'attr', ); protected static $_table_name = 'menus'; protected static $_tree = array( 'left_id' => 'left_id', // name of the tree node left index field 'right_id' => 'right_id', // name of the tree node right index field 'menu_id' => 'tree_id', // name of the tree node tree index field 'title' => 'title', // name of the tree node title field ); }