如何使用wp_get_NAV_MENU_ITEMS函数包含第三个级别

我正在尝试创建一个自定义菜单结构，该结构将与jquery推送菜单一起使用。http://multi-level-push-menu.make.rs/

第一级和第二级的一切都很好。如果我尝试在菜单中添加第三级菜单，一切都会变得很奇怪。显然，这是由于该功能只占第二级。

但不幸的是，我的wordpress知识有限，不允许我再进一步。

    <?php 

function clean_custom_menu( $theme_location ) {
    if ( ($theme_location) && ($locations = get_nav_menu_locations()) && isset($locations[$theme_location]) ) {
        $menu = get_term( $locations[$theme_location], \'nav_menu\' );
        $menu_items = wp_get_nav_menu_items($menu->term_id);

        $menu_list  = \'<nav>\' ."\\n";
        $menu_list .= \'<h2><i class="fa fa-reorder"></i>Navigation</h2>\' ."\\n";
        $menu_list .= \'<ul class="main-nav">\' ."\\n";

        $count = 0;
        $submenu = false;

        foreach( $menu_items as $menu_item ) {
             //var_dump($menu_item);
            $link = $menu_item->url;
            $title = $menu_item->title;
            $classes = $menu_item->classes;
            $description = $menu_item->description;

            if ( !$menu_item->menu_item_parent ) {
                $parent_id = $menu_item->ID;

                $menu_list .= \'<li class="item">\' ."\\n";
                if (!empty($description)) {
                    $menu_list .= \'<a href="\'.$link.\'" class="title"><i class="fa fa-\'.$description.\'"></i>\'.$title.\'</a>\' ."\\n";
                    $menu_list .= \'<h2><i class="fa fa-\'.$description.\'"></i>\'.$title.\'</h2>\' ."\\n";
                } else {
                    $menu_list .= \'<a href="\'.$link.\'" class="title">\'.$title.\'</a>\' ."\\n";
                }
            }

            if ( $parent_id == $menu_item->menu_item_parent ) {

                if ( !$submenu ) {
                    $submenu = true;
                    $menu_list .= \'<ul class="sub-menu">\' ."\\n";
                }

                $menu_list .= \'<li class="item">\' ."\\n";
                if (!empty($description)) {
                    $menu_list .= \'<a href="\'.$link.\'" class="title"><i class="fa fa-\'.$description.\'"></i>\'.$title.\'</a>\' ."\\n";
                    $menu_list .= \'<h2><i class="fa fa-\'.$description.\'"></i>\'.$title.\'</h2>\' ."\\n";
                } else {
                    $menu_list .= \'<a href="\'.$link.\'" class="title">\'.$title.\'</a>\' ."\\n";
                }
                $menu_list .= \'</li>\' ."\\n";


                if ( $menu_items[ $count + 1 ]->menu_item_parent != $parent_id && $submenu ){
                    $menu_list .= \'</ul>\' ."\\n";
                    $submenu = false;
                }

            }

            if ( $menu_items[ $count + 1 ]->menu_item_parent != $parent_id ) { 
                $menu_list .= \'</li>\' ."\\n";      
                $submenu = false;
            }

            $count++;
        }

        $menu_list .= \'</ul>\' ."\\n";
        $menu_list .= \'</nav>\' ."\\n";

    } else {
        $menu_list = \'<!-- no menu defined in location "\'.$theme_location.\'" -->\';
    }
    echo $menu_list;
}
 ?>

<?php /** * Required plugin * https://github.com/adgsm/multi-level-push-menu */ class Push_Menu_Walker extends Walker_Nav_Menu { /** * Start the element output. * * @param string $output Passed by reference. Used to append additional content. * @param object $item Menu item data object. * @param int $depth Depth of menu item. May be used for padding. * @param array $args Additional strings. * @return void */ function start_el( &$output, $item, $depth = 5, $args = array(), $id = 0 ) { $output .= "<li>"; $attributes = \'\'; $title = $item->title; $desc = $item->description; $classes = $item->classes; /*["classes"] => array(8) { [0]=> string(0) "" <-- THIS IS THE CUSTOM CLASS [1]=> string(9) "menu-item" [2]=> string(24) "menu-item-type-post_type" [3]=> string(21) "menu-item-object-page" [4]=> string(17) "current-menu-item" [5]=> string(9) "page_item" [6]=> string(12) "page-item-50" [7]=> string(17) "current_page_item" }*/ $font_awesome_class = \' class="fa fa-\'. $classes[0] . \'"\'; ! empty( $item->url ) and $attributes .= \' href="\' . esc_attr( $item->url ) .\'"\'; $title = apply_filters( \'the_title\', $item->title, $item->ID ); if (!empty ( $classes[0] )) : // If we have a custom class, add the H2 + icon $item_output = $args->before . "<a $attributes>" . $args->link_before . $title . \'</a> \' . \'<h2>\' . \'<i \' . $font_awesome_class . \'></i>\' . $title . \'</h2>\' . $args->link_after // . $description <-- Not needed for now... . $args->after; else : $item_output = $args->before . "<a $attributes>" . $args->link_before . $title . \'</a> \' . $args->link_after . $args->after; endif; // Since $output is called by reference we don\'t need to return anything. $output .= apply_filters( \'walker_nav_menu_start_el\', $item_output, $item, $depth, $args ); } } ?>

Problem with custom menus

在菜单上，我说的是自定义菜单，我有一个带有几列的页脚，每列都有一个项目列表，每列菜单都需要从wp admin上的菜单选项进行更新，所以我创建了关于函数的部分。调用菜单并在页脚上添加每个菜单的php。php文档，类似于：<?php wp_nav_menu( array(\'menu\' => \'f-1\', \'menu_class\' => \'\', \'container\' => \'nav\' )); ?> <?php wp_nav_menu( arr

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