Merge pull request #11 from kartenmacherei/refactor/remove-implicit-null-to-be-8.4-compatible

refactor: remove implicit null so that code is php 8.4 compatible

Author: Tesla91

src/ErrorHandler.php

@@ -23,9 +23,9 @@ public function __construct(ExceptionRenderer $exceptionRenderer)
     /**
      * @codeCoverageIgnore
      *
-     * @param ExceptionRenderer $exceptionRenderer
+     * @param ExceptionRenderer|null $exceptionRenderer
      */
-    public static function register(ExceptionRenderer $exceptionRenderer = null)
+    public static function register(?ExceptionRenderer $exceptionRenderer = null)
     {
         if (is_null($exceptionRenderer)) {
             $exceptionRenderer =  new ExceptionToJsonRenderer();

src/Router/AbstractResourceRouter.php

@@ -13,7 +13,7 @@ abstract class AbstractResourceRouter implements ResourceRouter
     private $next;
 
     /**
-     * @var Acl
+     * @var Acl|null
      */
     private $acl;
 
@@ -23,9 +23,9 @@ abstract class AbstractResourceRouter implements ResourceRouter
     private $resources = [];
 
     /**
-     * @param Acl $acl
+     * @param Acl|null $acl
      */
-    public function __construct(Acl $acl = null)
+    public function __construct(?Acl $acl = null)
     {
         $this->acl = $acl;
     }