Prevent error if response is not illuminate reponse in addLinkHeader

justbetter · May 29, 2024 · 1b7a08b · 1b7a08b
1 parent 96b5bbd
commit 1b7a08b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Middleware/AddHttp3EarlyHints.php b/src/Middleware/AddHttp3EarlyHints.php
@@ -221,10 +221,10 @@ private function buildLinkHeaderString(string $url, ?string $rel = 'preload'): ?
     /**
      * Add Link Header
      */
-    private function addLinkHeader(Response $response, mixed $link): Response
+    private function addLinkHeader(\Symfony\Component\HttpFoundation\Response $response, mixed $link): Response
     {
         $link = trim(collect($link)->implode(','));
-        if (! $link) {
+        if (! $link || !$response instanceof Response) {
             return $response;
         }
         if ($response->headers->get('Link')) {