add_filter('rest_endpoints', function ($endpoints) { if (!is_user_logged_in()) { unset($endpoints['/wp/v2/users']); unset($endpoints['/wp/v2/users/(?P[\d]+)']); } return $endpoints; }); // Autoren aus der WordPress-Sitemap entfernen add_filter('wp_sitemaps_add_provider', function ($provider, $name) { return ($name === 'users') ? false : $provider; }, 10, 2);