fix types

Author: Beutlin

Diff for: application/api/controllers/ApiController.php

@@ -77,10 +77,10 @@ public function getCi()
      *
      * @param Response $response
      * @param array $data
-     * @param int $jsonStyle
+     * @param ?int $jsonStyle
      * @return Response
      */
-    protected function respondWithJson(Response $response, array $data, int $jsonStyle): Response
+    protected function respondWithJson(Response $response, array $data, ?int $jsonStyle): Response
     {
         $jsonStyle = $jsonStyle ?? 0;
         $response->getBody()->write(json_encode($data, $jsonStyle));

Diff for: application/front/controller/visitor/ShaarliVisitorController.php

@@ -194,10 +194,10 @@ protected function redirectFromReferer(
      *
      * @param Response $response
      * @param array $data
-     * @param int $jsonStyle
+     * @param ?int $jsonStyle
      * @return Response
      */
-    protected function respondWithJson(Response $response, array $data, int $jsonStyle = 0): Response
+    protected function respondWithJson(Response $response, array $data, ?int $jsonStyle = 0): Response
     {
         $response->getBody()->write(json_encode($data, $jsonStyle));
         return $response->withHeader('Content-Type', 'application/json');