Fix type for maxAge

Author: barryvdh

composer.json

@@ -32,7 +32,7 @@
     },
     "scripts": {
         "test": "phpunit",
-        "analyse": "phpstan analyse src tests --level=4",
+        "analyse": "phpstan analyse src tests --level=5",
         "check-style": "phpcs -p --standard=PSR12 --exclude=Generic.Files.LineLength --runtime-set ignore_errors_on_exit 1 --runtime-set ignore_warnings_on_exit 1 src tests",
         "fix-style": "phpcbf -p --standard=PSR12 --exclude=Generic.Files.LineLength --runtime-set ignore_errors_on_exit 1 --runtime-set ignore_warnings_on_exit 1 src tests"
     },

src/CorsService.php

@@ -258,7 +258,7 @@ private function configureExposedHeaders(Response $response, Request $request)
     private function configureMaxAge(Response $response, Request $request)
     {
         if ($this->options['maxAge'] !== null) {
-            $response->headers->set('Access-Control-Max-Age', (int) $this->options['maxAge']);
+            $response->headers->set('Access-Control-Max-Age', (string) $this->options['maxAge']);
         }
     }