app\controllers\UserController::actionCrawler PHP Method

    public function actionCrawler()
    {
        $model = Yii::$app->getModule("user")->model("LoginForm");
        if ($model->load(Yii::$app->request->post(), '') && $model->login(Yii::$app->getModule("user")->loginDuration)) {
            return $this->goBack(Yii::$app->getModule("user")->loginRedirect);
        }
        return $this->render('crawler', compact("model"));
    }