Fixes #13694: yii\widgets\Pjax now sends X-Pjax-Url header with response to fix redirect

framework/CHANGELOG.md

@@ -3,6 +3,8 @@ Yii Framework 2 Change Log
 
 2.0.12 under development
 --------------------------
+
+- Bug #13694: `yii\widgets\Pjax` now sends `X-Pjax-Url` header with response to fix redirect (wleona3, Faryshta)
 - Bug #14012: `yii\db\pgsql\Schema::findViewNames()` was skipping materialized views (insolita)
 - Bug #13362: Fixed return value of `yii\caching\MemCache::setValues()`  (masterklavi)
 - Enh #13963: Added tests for yii\behaviors\TimestampBehavior (vladis84)

framework/widgets/Pjax.php

@@ -171,6 +171,7 @@ class Pjax extends Widget
         $response->setStatusCode(200);
         $response->format = Response::FORMAT_HTML;
         $response->content = $content;
+        $response->headers->setDefault('X-Pjax-Url', Yii::$app->request->url);
         $response->send();
 
         Yii::$app->end();