You may take use of add_submenu_page function: Add a top-level menu page add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function, $icon_url, $position ); Add a sub-menu page add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function );
WP Admin doesn’t support 3 level menus in the side navigation. You can do this in WP Nav Menus on the frontend, but not with the main admin menu. If you want to do this, you’ll need to rebuilt the WP Admin menu and add the necessary styling, which will be a huge job
After searching through the core WordPress files, I found the necessary arguments. The key is setting menu-item-object to be the slug of your post type and the menu-item-type to be post_type_archive. $args = [ ‘menu-item-position’ => $position, ‘menu-item-status’ => ‘publish’, ‘menu-item-parent-id’ => 0, ‘menu-item-object’ => ‘my-post-type’, ‘menu-item-type’ => ‘post_type_archive’ ]; wp_update_nav_menu_item($menuID, 0, $args);
In order to know what are locations provided by theme for menus: $locations = get_nav_menu_locations(); This command will return an associative array that has for keys the locations and for values the ids of menu assigned to that location. To know what pages are associated to a menu: $idmenu = $locations[‘main-menu’]; $menu = wp_get_nav_menu_object( $idmenu … Read more
The main difference is the location where the style (link) or script tag be in the source, or whether the resource is loaded in head or the footer. With a add_menu_page()/add_submenu_page() callback like your foo_settings_page(), the style/script file would be loaded in the body (before the closing body tag), because the head has already been … Read more
It`s not the best solution but maybe it is helpful for you to create your own solution. function display_ads_form_element() { // get the total number of “advertising codes” from the database // the default value is 1 $codes = array(‘1’ => ” ); if( get_option(‘advertising_code’) !== FALSE ) { $codes = get_option(‘advertising_code’); } ?> <?php … Read more
If I understand it correctly — you want the “Plans” sub-menu to be highlighted when on the “Add/edit plans” (pxmag-plans-edit) page, then you can do it like so: Use the add_menu_classes hook to highlight the pxmag-menu menu: function my_add_menu_classes( $menu ) { // Do nothing if not on the “Add/edit plans” page. global $plugin_page; if … Read more
The link you provided has the answer, given by Otto as a comment: Short answer is that you can’t. Not only using add_menu_page like that. Those icons WordPress uses are added as background images via CSS, not using the icon_url method that is provided with add_menu_page. As you said the syntax is: syntax: add_menu_page( $page_title*, … Read more
You’ve almost answered your own question. Just pass the URL as the $menu_slug to add_menu_page: add_menu_page( null, // not an actual page, so title is irrelevant ‘Menu Item Name’, ‘edit_posts’, // or whatever capability required for this object ‘/post.php?post=42&action=edit’, null, ”, 6 ); The caveat is that when you visit this menu item, the actual … Read more
You are trying to create a new admin page with add_pages_page(). Meta boxes are only for existing post types, not for admin pages. You need to create your fields like on a normal admin page. You should read the official codex about this first: Creating Options Pages For a simple start take a look at … Read more