要动态添加菜单项，可以使用WP\\u Query，特别是get\\u posts或get\\u pages。获取页面更加一致。下面是一个将所有页面添加到页面管理菜单的示例。您可以在下面的$参数中更改参数以排除、包括、orderby等。要更改为自定义帖子类型，只需将$custom变量更改为您的帖子类型名称。

/*-----------------------------------------------------------------------------------*/
/* All Pages Dropdown List */
/*-----------------------------------------------------------------------------------*/

if ( !function_exists( \'admin_menu_links_to_all_edit_post_type_custom\' ) ) {
function admin_menu_links_to_all_edit_post_type_custom() {
    if ( !is_admin() ) // Only Run if On Admin Pages
        return;

     $custom = \'page\';  // Change this to your custom post type slug ( So for "http://www.example.com/wp-admin/edit.php?post_type=recipes" you would change this to \'recipes\'  )



      // Full List of Paramaters - http://codex.wordpress.org/Template_Tags/get_posts
      $args = array(
          \'orderby\'          => \'modified\', //Orderr by date , title , modified, etc
          \'order\'            => \'DESC\', // Show most recently edited on top
          \'post_type\'        => $custom, // Post Type Slug
          \'numberposts\'      => -1,  // Number of Posts to Show (Use -1 to Show All)
          \'post_status\'      => array(\'publish\', \'pending\', \'draft\', \'future\', \'private\', \'inherit\'),
      );
      $types = get_posts( $args ); // Get All Pages
      foreach ($types as $post_type) {
      add_submenu_page( // add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function );
          \'edit.php?post_type=\'.$custom
        , esc_attr(ucwords($post_type->post_title)) // Get title, remove bad characters, and uppercase it
        , esc_attr(ucwords($post_type->post_title)) // Get title, remove bad characters, and uppercase it
        , \'edit_posts\' // Require Edit Post/Page/Custom Capability
        , \'post.php?post=\' . $post_type->ID . \'&action=edit\' // Get the page link by its id
        , \'\' // No function callback
      );    
      }
      wp_reset_postdata();
}
add_action(\'admin_menu\', \'admin_menu_links_to_all_edit_post_type_custom\');
}

if ( !function_exists( \'admin_menu_links_to_all_edit_post_type_custom_css\' ) ) {
    function admin_menu_links_to_all_edit_post_type_custom_css() {
?>
<style type="text/css">
ul#adminmenu li.wp-has-submenu > ul.wp-submenu.wp-submenu-wrap {
max-height: 700px;
overflow-x: scroll;
}
</style>
<?php
   }
    add_action(\'admin_head\', \'admin_menu_links_to_all_edit_post_type_custom_css\');
}

/*-----------------------------------------------------------------------------------*/
/* Single URL Submenu */
/*-----------------------------------------------------------------------------------*/

if ( !function_exists( \'single_submenu_dropdown_link_example\' ) ) {
function single_submenu_dropdown_link_example() {
    global $submenu;
    $link_to_add = \'post.php?post=7&action=edit\';
    // change edit.php to the top level menu you want to add it to 
    $submenu[\'edit.php\'][] = array(\'About\', \'edit_posts\', $link_to_add);
}
add_action(\'admin_menu\', \'single_submenu_dropdown_link_example\');
}

This will add toplevel admin menus to your other pages:

/*-----------------------------------------------------------------------------------*/
/* Toplevel Page Menus */
/*-----------------------------------------------------------------------------------*/

if ( ! function_exists( \'toplevel_admin_menu_pages\' ) ) {
function toplevel_admin_menu_pages(){
if ( !current_user_can(\'administrator\') ) {  // If the user is not the administrator remove and add new menus
    remove_menu_page( \'index.php\' );                  //Dashboard
    remove_menu_page( \'edit.php\' );                   //Posts
    remove_menu_page( \'upload.php\' );                 //Media
    remove_menu_page( \'edit.php?post_type=page\' );    //Pages
    remove_menu_page( \'edit-comments.php\' );          //Comments
    remove_menu_page( \'themes.php\' );                 //Appearance
    remove_menu_page( \'plugins.php\' );                //Plugins
    remove_menu_page( \'users.php\' );                  //Users
    remove_menu_page( \'tools.php\' );                  //Tools
    remove_menu_page( \'options-general.php\' );        //Settings
    add_menu_page( \'Home\', \'Home\', \'edit_posts\', \'post.php?post=39&action=edit\', \'\', \'dashicons-admin-home\', 6 );
    add_menu_page( \'About\', \'About\', \'edit_posts\', \'post.php?post=15&action=edit\', \'\', \'dashicons-editor-help\', 7 );
    add_menu_page( \'Services\', \'Services\', \'edit_posts\', \'post.php?post=24&action=edit\', \'\', \'dashicons-admin-tools\', 8 );
    }
  }
add_action( \'admin_menu\', \'toplevel_admin_menu_pages\' );
}