This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_wp_delete_post_menu_item( int $object_id )

Callback for handling a menu item when its original object is deleted.

Parameters

$object_id

(Required) The ID of the original object being trashed.

Source

File: wp-includes/nav-menu.php 

function _wp_delete_post_menu_item( $object_id = 0 ) {
	$object_id = (int) $object_id;

	$menu_item_ids = wp_get_associated_nav_menu_items( $object_id, 'post_type' );

	foreach ( (array) $menu_item_ids as $menu_item_id ) {
		wp_delete_post( $menu_item_id, true );
	}
}

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Related

Changelog

Changelog
Version Description
3.0.0 Introduced.