public function delete($name, $path = '/', $domain = '', $secure = false, $http_only = false) {
        $success = $this->set($name, null, -10, $path, $domain, $secure, $http_only);
        $this->_deleted_cookies[$name] = $name;

        if (isset($this->_cookies[$name])) {
            unset($this->_cookies[$name]);
        }

        return $success;
    }