public function actionLogin()
    {
        if (!\Yii::$app->user->isGuest) {
            \Yii::$app->getResponse()->redirect(Url::to([\Yii::$app->getHomeUrl()]));
        }

        /** @var LoginForm $model */
        $model = \Yii::createObject(LoginForm::className());
        $event = $this->getFormEvent($model);

        $this->performAjaxValidation($model);
        $this->trigger(self::EVENT_BEFORE_LOGIN, $event);

        if ($model->load(\Yii::$app->getRequest()->post()) && $model->login()) {
            $this->trigger(self::EVENT_AFTER_LOGIN, $event);

            //Checking return url
            if (!empty($model->returnUrl)) {
                $host = \Yii::$app->request->hostInfo;
                $returnUrlHost = substr($model->returnUrl, 0, strlen($host));
                if ($returnUrlHost == $host) {
                    $returnUrl = $model->returnUrl;
                }
                else {
                    $returnUrl = \Yii::$app->user->returnUrl;
                }
            }
            else {
                $returnUrl = Url::to([\Yii::$app->user->returnUrl]);
            }

            \Yii::$app->user->setReturnUrl($returnUrl);

            return \Yii::$app->getResponse()->redirect($returnUrl);
        }

        return $this->render('login', [
            'model'  => $model,
            'module' => $this->module,
        ]);
    }
public function actionLogin()
    {
        if (!\Yii::$app->user->isGuest) {
            \Yii::$app->getResponse()->redirect(Url::to([\Yii::$app->getHomeUrl()]));
        }

        /** @var LoginForm $model */
        $model = \Yii::createObject(LoginForm::className());
        $event = $this->getFormEvent($model);

        $this->performAjaxValidation($model);
        $this->trigger(self::EVENT_BEFORE_LOGIN, $event);

        if ($model->load(\Yii::$app->getRequest()->post()) && $model->login()) {
            $this->trigger(self::EVENT_AFTER_LOGIN, $event);

            //Checking return url
            if (!empty($model->returnUrl)) {
                $host = \Yii::$app->request->hostInfo;
                $returnUrlHost = substr($model->returnUrl, 0, strlen($host));
                if ($returnUrlHost == $host) {
                    $returnUrl = $model->returnUrl;
                }
                else {
                    $returnUrl = \Yii::$app->user->returnUrl;
                }
            }
            else {
                $returnUrl = Url::to([\Yii::$app->user->returnUrl]);
            }

            \Yii::$app->user->setReturnUrl($returnUrl);

            return \Yii::$app->getResponse()->redirect($returnUrl);
        }

        return $this->render('login', [
            'model'  => $model,
            'module' => $this->module,
        ]);
    }
public function actionLogin ( ) { if ( ! \ Yii :: $ app -> user -> isGuest ) { \ Yii :: $ app -> getResponse ( ) -> redirect ( Url :: to ( [ \ Yii :: $ app -> getHomeUrl ( ) ] ) ) ; } /** @var LoginForm $model */ $ model = \ Yii :: createObject ( LoginForm :: className ( ) ) ; $ event = $ this -> getFormEvent ( $ model ) ; $ this -> performAjaxValidation ( $ model ) ; $ this -> trigger ( self :: EVENT_BEFORE_LOGIN , $ event ) ; if ( $ model -> load ( \ Yii :: $ app -> getRequest ( ) -> post ( ) ) && $ model -> login ( ) ) { $ this -> trigger ( self :: EVENT_AFTER_LOGIN , $ event ) ; //Checking return url if ( ! empty ( $ model -> returnUrl ) ) { $ host = \ Yii :: $ app -> request -> hostInfo ; $ returnUrlHost = substr ( $ model -> returnUrl , 0 , strlen ( $ host ) ) ; if ( $ returnUrlHost == $ host ) { $ returnUrl = $ model -> returnUrl ; } else { $ returnUrl = \ Yii :: $ app -> user -> returnUrl ; } } else { $ returnUrl = Url :: to ( [ \ Yii :: $ app -> user -> returnUrl ] ) ; } \ Yii :: $ app -> user -> setReturnUrl ( $ returnUrl ) ; return \ Yii :: $ app -> getResponse ( ) -> redirect ( $ returnUrl ) ; } return $ this -> render ( 'login' , [ 'model' => $ model , 'module' => $ this -> module , ] ) ; }
Displays the login page.

@return string|Response
Displays the login page .