Fixes #9137: Added `clearErrors` parameter to `yii\base\Model` `validateMultiple()` method

framework/CHANGELOG.md

@@ -12,6 +12,7 @@ Yii Framework 2 Change Log
 - Enh #4352: Result of `yii\web\Request::getBodyParams()` now includes uploaded files (klimov-paul)
 - Enh #14522: `yii\web\Request::getBodyParams()` now generates 415 'Unsupported Media Type' error on invalid or missing 'Content-Type' header (klimov-paul)
 - Enh #13799: CAPTCHA rendering logic extracted into `yii\captcha\DriverInterface`, which instance is available via `yii\captcha\CaptchaAction::$driver` field (vladis84, klimov-paul)
+- Enh #9137: Added `clearErrors` parameter to `yii\base\Model` `validateMultiple()` method (developeruz)
 - Enh #9260: Mail view rendering encapsulated into `yii\mail\Template` class allowing rendering in isolation and access to `yii\mail\MessageInterface` instance via `$this->context->message` inside the view (klimov-paul)
 - Enh #11058: Add `$checkAjax` parameter to method `yii\web\Controller::redirect()` which controls redirection in AJAX and PJAX requests (ivanovyordan)
 - Enh #12385: Methods `addHeader()`, `setHeader()`, `getHeader()`, `setHeaders()` have been added to `yii\mail\MessageInterface` allowing setup of custom message headers (klimov-paul)

framework/base/Model.php

@@ -889,15 +889,16 @@ class Model extends Component implements StaticInstanceInterface, IteratorAggreg
      * @param array $attributeNames list of attribute names that should be validated.
      * If this parameter is empty, it means any attribute listed in the applicable
      * validation rules should be validated.
+     * @param bool $clearErrors whether to call [[clearErrors()]] before performing validation. Default true
      * @return bool whether all models are valid. False will be returned if one
      * or multiple models have validation error.
      */
-    public static function validateMultiple($models, $attributeNames = null)
+    public static function validateMultiple($models, $attributeNames = null, $clearErrors = true)
     {
         $valid = true;
         /* @var $model Model */
         foreach ($models as $model) {
-            $valid = $model->validate($attributeNames) && $valid;
+            $valid = $model->validate($attributeNames, $clearErrors) && $valid;
         }
 
         return $valid;