<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
public function expand(string $acl_string = null)
{
// In case there is no ID list, return empty array (=> no ACL set)
- if (!isset($acl_string)) {
+ if (empty($acl_string)) {
return [];
}