phpstan: missing declared return

src/User/Service/UserCreateService.php

@@ -76,14 +76,14 @@ class UserCreateService implements ServiceInterface
                     ['email' => $model->email]
                 );
                 // from web display a flash message (if enabled)
-                if ($this->getModule()->enableFlashMessages === true && is_a(Yii::$app, yii\web\Application::class)) {
+                if ($this->getModule()->enableFlashMessages === true && is_a(Yii::$app, "yii\web\Application")) {
                     Yii::$app->session->setFlash(
                         'warning',
                         $error_msg
                     );
                 }
                 // if we're from console add an error to the model in order to return an error message
-                if (is_a(Yii::$app, yii\console\Application::class)) {
+                if (is_a(Yii::$app, "yii\console\Application")) {
                     $model->addError('username', $error_msg);
                 }
                 $transaction->rollBack();

src/User/Validator/AjaxRequestModelValidator.php

@@ -32,9 +32,12 @@ class AjaxRequestModelValidator implements ValidatorInterface
 
         if ($request->getIsAjax() && $this->model->load($request->post())) {
             Yii::$app->response->format = Response::FORMAT_JSON;
-            Yii::$app->response->data = ActiveForm::validate($this->model);
+            $result = ActiveForm::validate($this->model);
+            Yii::$app->response->data = $result;
             Yii::$app->response->send();
             Yii::$app->end();
-        }
+            return $result;
+        }
+        return false;
     }
 }

src/User/resources/views/permission/update.php

@@ -31,4 +31,3 @@ $this->params['breadcrumbs'][] = $this->title;
 ) ?>
 
 <?php $this->endContent() ?>
-