Fix #215: Added possibility to skip charset in header on UrlEncodedFormatter::format()

Author: egorrishe

CHANGELOG.md

@@ -4,7 +4,7 @@ Yii Framework 2 HTTP client extension Change Log
 2.0.14 under development
 ------------------------
 
-- no changes in this release.
+- Enh #215: Added possibility to skip charset in header on `UrlEncodedFormatter::format()` (egorrishe)
 
 
 2.0.13 December 23, 2020

src/UrlEncodedFormatter.php

@@ -56,7 +56,8 @@ public function format(Request $request)
         }
 
         $charset = $this->charset === null ? Yii::$app->charset : $this->charset;
-        $request->getHeaders()->set('Content-Type', 'application/x-www-form-urlencoded; charset=' . $charset);
+        $charset = $charset ? '; charset=' . $charset : '';
+        $request->getHeaders()->set('Content-Type', 'application/x-www-form-urlencoded' . $charset);
 
         if (isset($content)) {
             $request->setContent($content);
@@ -68,4 +69,4 @@ public function format(Request $request)
 
         return $request;
     }
-}
+}