php - How to direct top-level menu to second-level menu and have the top-level menu have unique name? -


goal

in wordpress, attempting have admin menus automatically create if in menu "appearance -> menus". this, able develop.

the part in having troubles due specificity. attempting have top-level menu direct second-level menu , have top-level menu maintain original name.

code

setup in "appearance -> menu"

callsigns     -> alpha     -> bravo     -> charlie

the top-level menu "callsigns" has modified options. navigation label "alpha" , title attribute "callsigns".

functions.php 

add_action('init', 'register_my_menus' ); function register_my_menus() {     register_nav_menus( array('admin-menus' => 'admin menus')); }  add_action('admin_menu', 'my_admin_menus'); function my_admin_menus() {     $locations = get_nav_menu_locations();     $menu = wp_get_nav_menu_object($locations['admin-menus']);     $pages = wp_get_nav_menu_items($menu->term_id);      foreach ($pages $page) {         if ($page->menu_item_parent == 0)             add_menu_page(                 $page->title,                 $page->attr_title ? $page->attr_title : $page->title,                 'read',                 sanitize_title($page->title),                 'admin_page_format'             );         else             add_submenu_page(                 sanitize_title($page->menu_item_parent->title),        // issue                 $page->title,                 $page->attr_title ? $page->attr_title : $page->title,                 'read',                 sanitize_title($page->title),                 'admin_page_format'             );     } }

i marked line confident issue. originally, did not try use "->" , of now, confident not possible use "->" twice in row did above.

incorrect solutions

sanitize_title($page->menu_item_parent->title)

the top-level menu works. has correct name , directs correct second-level menu. however, second-level menus not show admin menu @ all.

sanitize_title(get_the_title($page->menu_item_parent))

same outcome above incorrect solution.

functions.php 

add_action('init', 'register_my_menus' ); function register_my_menus() {     register_nav_menus( array('admin-menus' => 'admin menus')); }  add_action('admin_menu', 'my_admin_menus'); function my_admin_menus() {     $locations = get_nav_menu_locations();     $menu = wp_get_nav_menu_object($locations['admin-menus']);     $pages = wp_get_nav_menu_items($menu->term_id);      function get_menu_page($pages, $id) {         foreach ($pages $page)             if ($page->id == $id) return $page;     }      foreach ($pages $page) {         if ($page->menu_item_parent == 0)             add_menu_page(                 $page->title,                 $page->attr_title ? $page->attr_title : $page->title,                 'read',                 sanitize_title($page->title),                 'admin_page_format'             );         else             add_submenu_page(                 sanitize_title(get_menu_page($pages, $page->menu_item_parent)->title),                 $page->title,                 $page->attr_title ? $page->attr_title : $page->title,                 'read',                 sanitize_title($page->title),                 'admin_page_format'             );     } }

the solution create function went menu loop again return object of page.

i doubt cleanest way thing come with.


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