Unnamed

<?phpclass EDM_Auth extends Zend_Auth{    protected static $_instance = null;    public static function getInstance()    {        if (null === self::$_instance) {            self::$_instance = new self();            self::$_instance->setStorage(new Zend_Auth_Storage_Session('userAuth'));;            if (!$this->hasIdentity()) {			$this->getStorage()->write(array('user_level_id'=>0));		}        }        return self::$_instance;}