Hybrid_Providers_Facebook::loginBegin PHP Method

    function loginBegin()
    {
        $this->endpoint = $this->params['login_done'];
        $helper = $this->api->getRedirectLoginHelper();
        // Use re-request, because this will trigger permissions window if not all permissions are granted.
        $url = $helper->getReRequestUrl($this->endpoint, $this->scope);
        // Redirect to Facebook
        Hybrid_Auth::redirect($url);
    }