' // @see Walker::start_lvl() function start_lvl(&$output, $depth=0, $args=array()) { $output .= ''; } // Displays end of a level. E.g '' // @see Walker::end_lvl() function end_lvl(&$output, $depth=0, $args=array()) { $output .= ''; } // Displays start of an element. E.g '