WordPress Admin: When placing a Custom Post Type as a submenu of a parent menu, the parent menu link is being overridden by the CPT
问题 I register a Custom Post Type, and I don't want it to have its own menu, instead I want to place it as a submenu of an existing admin menu item called my-custom-parent-page . Here's my code: register_post_type('my_custom_post_type', array( 'labels' => array( 'name' => __('Books', 'mcpt'), 'singular_name' => __('Book', 'mcpt'), ), 'supports' => array('title', 'editor'), 'show_ui' => true, 'show_in_nav_menus' => false, 'show_in_menu' => 'my-custom-parent-page', ) ); It works, meaning that it's