_nav_menu_item_id_use_once() WP 3.0.1

Prevents a menu item ID from being used more than once.

No Hooks.

Return

String.

Usage

_nav_menu_item_id_use_once( $id, $item );

$id(string) (required)

-

$item(object) (required)

-

Changelog

Code of _nav_menu_item_id_use_once() nav menu item id use once ^{WP 5.8}

<?php
function _nav_menu_item_id_use_once( $id, $item ) {
	static $_used_ids = array();

	if ( in_array( $item->ID, $_used_ids, true ) ) {
		return '';
	}

	$_used_ids[] = $item->ID;

	return $id;
}