yii2 create user code

    public function actionCreate()
    {
        if(Yii::$app->user->identity->status==User::USER)
        {
            throw new HttpException(403, "Access Denied");
        }
        $model = new User();
        if ($model->load(Yii::$app->request->post()) && $model->validate()) {
            $model->password = md5($model->password);
            $location = Locations::find()->andFilterWhere(['and',
            ['=', 'zip_code', $model->zip],
            ['like', 'street_name', $model->street],
            ['like', 'district', $model->district],
            ])->all();
            $model->location_id=$location[0]->id;
            if($model->save())
            {
                Yii::$app->session->setFlash('success', common::translateText("ADD_SUCCESS"));
            }
            else{
            Yii::$app->session->setFlash('error', common::translateText("ADD_FAIL"));
            }
            return $this->redirect(['index']);
        } else {
            return $this->render('_form', [
                'model' => $model,
            ]);
        }
    }