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do_action( ‘wp_update_nav_menu’, int $menu_id, array $menu_data )

Fires after a navigation menu has been successfully updated.

Parameters

$menu_idint: ID of the updated menu.
$menu_dataarray: An array of menu data.

Source

do_action( 'wp_update_nav_menu', $menu_id, $menu_data );

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Used by	Description
WP_REST_Menus_Controller::handle_auto_add()`wp-includes/rest-api/endpoints/class-wp-rest-menus-controller.php`	Updates the menu’s auto add from a REST request.
wp_nav_menu_update_menu_items()`wp-admin/includes/nav-menu.php`	Saves nav menu items.
wp_update_nav_menu_object()`wp-includes/nav-menu.php`	Saves the properties of a menu or create a new menu with those properties.

Changelog

Version	Description
3.0.0	Introduced.

User Contributed Notes

Skip to note 2 content

Nitish Kaila 2 years ago

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If you are using 2 arguments for this action, in the callback function second argument needs a default empty array. If the second argument does not have a default array then it will throw the fatal error.
```
function wpdocs_update_menu_stuff_after_update( $menu_id, $menu_data = array() ) {
	//add menu stuff
}
add_action( 'wp_update_nav_menu', 'wpdocs_update_menu_stuff_after_update', 10, 2 );
```
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