Yoast_Update_Manager::maybe_delete_transients PHP Method

        private function maybe_delete_transients()
        {
            global $pagenow;
            if ($pagenow === 'update-core.php' && isset($_GET['force-check'])) {
                delete_transient($this->response_transient_key);
                delete_transient($this->request_failed_transient_key);
            }
        }