public static function disconnectSocialProfile($site = 'facebook')
    {
        $config = \Phalcon\DI::getDefault()->getConfig()->social_config->toArray(); //dirname(dirname(dirname(__FILE__ ))) . "/config/social_config.php";
        $hybridauth = new \Hybridauth\Hybridauth($config);
        return $hybridauth->logoutAllProviders();
        //$adapter = $hybridauth->authenticate( "Google" );
        $adapter = $hybridauth->authenticate($site);

        // request user profile
        return $adapter->logout();
    }