How to remove items from +New admin menu? - Nazmul Ahsan - WordPress Developer, PHP & JavaScript Fan, Open Source Enthusiastic

This tutorial is actually taken from an answer I gave on StackOverflow to a question by sailingthoms

Sailingthoms’s question

I would like to limit the +New admin menu to only show the single sub menu Event (“Veranstaltung”). Basically the users are allowed to create other items as well but not from that +New menu.

My answer

To hide everything (menu and submenu)-

function na_remove_new_content(){
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu( 'new-content' );
}
add_action( 'wp_before_admin_bar_render', 'na_remove_new_content' );

function na_remove_new_content(){

global $wp_admin_bar;

$wp_admin_bar->remove_menu( 'new-content' );

}

add_action( 'wp_before_admin_bar_render', 'na_remove_new_content' );

To hide specific menu/submenu item(s)-

function na_remove_new_content_items(){
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu( 'new-post' ); // hides post CPT
    $wp_admin_bar->remove_menu( 'new-product' ); // hides product CPT
    $wp_admin_bar->remove_menu( 'new-page' ); // hides page CPT
    $wp_admin_bar->remove_menu( 'new-media' ); // hides media
}
add_action( 'wp_before_admin_bar_render', 'na_remove_new_content_items' );

function na_remove_new_content_items(){

global $wp_admin_bar;

$wp_admin_bar->remove_menu( 'new-post' ); // hides post CPT

$wp_admin_bar->remove_menu( 'new-product' ); // hides product CPT

$wp_admin_bar->remove_menu( 'new-page' ); // hides page CPT

$wp_admin_bar->remove_menu( 'new-media' ); // hides media

}

add_action( 'wp_before_admin_bar_render', 'na_remove_new_content_items' );

So, the basic rule is-

function your_boo_bar_function() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu( 'your-unique-menu-id' );
}
add_action( 'wp_before_admin_bar_render', 'your_boo_bar_function' );

function your_boo_bar_function() {

global $wp_admin_bar;

$wp_admin_bar->remove_menu( 'your-unique-menu-id' );

}

add_action( 'wp_before_admin_bar_render', 'your_boo_bar_function' );

Add a new menu-

function na_add_menu(){
    global $wp_admin_bar;
    $wp_admin_bar->add_node(
        array(
            'id'        => 'google-menu',
            'title'     => 'Google',
            'href'      => 'http://google.com',
            'parent'    => 'new-content', // so, it'll be set as a child of 'new-content'. remove this to use this as a parent menu
            'meta'      => array( 'class' => 'my-custom-class' ),
        )
    );

}
add_action( 'wp_before_admin_bar_render', 'na_add_menu' );

function na_add_menu(){

global $wp_admin_bar;

$wp_admin_bar->add_node(

array(

'id' => 'google-menu',

'title' => 'Google',

'href' => 'http://google.com',

'parent' => 'new-content', // so, it'll be set as a child of 'new-content'. remove this to use this as a parent menu

'meta' => array( 'class' => 'my-custom-class' ),

)

);

}

add_action( 'wp_before_admin_bar_render', 'na_add_menu' );

Update an existing menu-

function na_update_menu(){
    global $wp_admin_bar;
    $wp_admin_bar->add_node(
        array(
            'id'    => 'new-content', // id of an existing menu
            'href'  => 'your_new_url_goes_here', // set new URL
        )
    );

}
add_action( 'wp_before_admin_bar_render', 'na_update_menu' );

function na_update_menu(){

global $wp_admin_bar;

$wp_admin_bar->add_node(

array(

'id' => 'new-content', // id of an existing menu

'href' => 'your_new_url_goes_here', // set new URL

)

);

}

add_action( 'wp_before_admin_bar_render', 'na_update_menu' );

How to get menu ID-
The easiest way is to inspect element with Firebug and take the ID. See this screenshot-

Navigate to your desired menu item and get the string next to wp-admin-bar-

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