private function __init()
    {
        $this->_session = Session::start($this->_timeout, $this->_path, $this->_domain, $this->_httpOnly, $this->_secure);

        if (!$this->_session) {
            return false;
        }

        if (!isset($_SESSION[$this->_index])) {
            $_SESSION[$this->_index] = array();
        }

        // Class FrontendPage uses $_COOKIE directly (inside it's __buildPage() function), so try to emulate it.
        // @deprecated will be removed in Symphony 3.0.0
        $_COOKIE[$this->_index] = &$_SESSION[$this->_index];

        return $this->_session;
    }