Prepend new MIME types to the format list.

longwave · longwave · commit 0ab0396d235e · 2025-10-31T09:41:15.000Z
diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
@@ -1370,7 +1370,7 @@ public function setFormat(?string $format, string|array $mimeTypes): void
             static::initializeFormats();
         }
 
-        static::$formats[$format] = \is_array($mimeTypes) ? $mimeTypes : [$mimeTypes];
+        static::$formats = [$format => \is_array($mimeTypes) ? $mimeTypes : [$mimeTypes]] + static::$formats;
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -1370,7 +1370,7 @@ public function setFormat(?string $format, string\|array $mimeTypes): void`
`1370`	`1370`	`static::initializeFormats();`
`1371`	`1371`	`}`
`1372`	`1372`
`1373`		`- static::$formats[$format] = \is_array($mimeTypes) ? $mimeTypes : [$mimeTypes];`
	`1373`	`+ static::$formats = [$format => \is_array($mimeTypes) ? $mimeTypes : [$mimeTypes]] + static::$formats;`
`1374`	`1374`	`}`
`1375`	`1375`
`1376`	`1376`	`/**`