Force cast headers key to string

roadrunner-php · Sep 11, 2021 · 5ad9b26 · 5ad9b26
1 parent 62f9784
commit 5ad9b26
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/PSR7Worker.php b/src/PSR7Worker.php
@@ -134,7 +134,7 @@ protected function configureServer(Request $request): array
 
         $server['HTTP_USER_AGENT'] = '';
         foreach ($request->headers as $key => $value) {
-            $key = \strtoupper(\str_replace('-', '_', $key));
+            $key = \strtoupper(\str_replace('-', '_', (string)$key));
             if (\in_array($key, ['CONTENT_TYPE', 'CONTENT_LENGTH'])) {
                 $server[$key] = \implode(', ', $value);
             } else {