How can I see all the actions attached to an “add_action” hook?

April 10, 2022 by IT Nursery

I’m working with the admin bar and trying to debug some of the menus and their priorities.

I know several callbacks get bound to actions, such as this one:

add_action( 'admin_bar_menu', 'wp_admin_bar_wp_menu', 10 );

How can I see what is lined up to be called when a hook like admin_bar_menu is called?

1

You can see the detailed list of the hook using this snippet:

$hook_name="admin_bar_menu";
global $wp_filter;
var_dump( $wp_filter[$hook_name] );