check body is writable only on ouput buffering append

slimphp · Nov 6, 2019 · 6cc6184 · 6cc6184
1 parent 00ef749
commit 6cc6184
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Slim/Middleware/OutputBufferingMiddleware.php b/Slim/Middleware/OutputBufferingMiddleware.php
@@ -63,12 +63,12 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
             throw $e;
         }
 
-        if (!empty($output) && $response->getBody()->isWritable()) {
+        if (!empty($output)) {
             if ($this->style === static::PREPEND) {
                 $body = $this->streamFactory->createStream();
                 $body->write($output . $response->getBody());
                 $response = $response->withBody($body);
-            } elseif ($this->style === static::APPEND) {
+            } elseif ($this->style === static::APPEND && $response->getBody()->isWritable()) {
                 $response->getBody()->write($output);
             }
         }