Fixes #3716: `DynamicModel::validateData()` does not call `validate()` if the…

framework/CHANGELOG.md

@@ -39,6 +39,7 @@ Yii Framework 2 Change Log
 - Bug #3591: Fixed incomplete obsolete filling in i18n `MessageController::saveMessagesToDb()` (advsm)
 - Bug #3601: Fixed the bug that the refresh URL was not generated correctly by `Captcha` (qiangxue, klevron)
 - Bug #3715: Fixed the bug that using a custom pager/sorter with `GridView` may generate two different pagers/sorters if the layout configures two pagers/sorters (qiangxue)
+- Bug #3716: `DynamicModel::validateData()` does not call `validate()` if the `$rules` parameter is empty (qiangxue)
 - Bug: Fixed inconsistent return of `\yii\console\Application::runAction()` (samdark)
 - Bug: URL encoding for the route parameter added to `\yii\web\UrlManager` (klimov-paul)
 - Bug: Fixed the bug that requesting protected or private action methods would cause 500 error instead of 404 (qiangxue)

framework/base/DynamicModel.php

@@ -184,9 +184,10 @@ class DynamicModel extends Model
                     throw new InvalidConfigException('Invalid validation rule: a rule must specify both attribute names and validator type.');
                 }
             }
-            $model->validate();
         }
 
+        $model->validate();
+
         return $model;
     }