PHP 8.4 fix implicitly nullable via default value null

Author: glaubinix

src/Api/AbstractApi.php

@@ -19,10 +19,10 @@ abstract class AbstractApi
     /** @var ResponseMediator */
     private $responseMediator;
 
-    public function __construct(Client $client, ResponseMediator $responseMediator = null)
+    public function __construct(Client $client, ?ResponseMediator $responseMediator = null)
     {
         $this->client = $client;
-        $this->responseMediator = $responseMediator ? $responseMediator : new ResponseMediator();
+        $this->responseMediator = $responseMediator ? : new ResponseMediator();
     }
 
     /**

src/Client.php

@@ -25,7 +25,7 @@ class Client
     private $responseMediator;
 
     /** @param string $privatePackagistUrl */
-    public function __construct(HttpPluginClientBuilder $httpClientBuilder = null, $privatePackagistUrl = null, ResponseMediator $responseMediator = null)
+    public function __construct(?HttpPluginClientBuilder $httpClientBuilder = null, $privatePackagistUrl = null, ?ResponseMediator $responseMediator = null)
     {
         $this->httpClientBuilder = $builder = $httpClientBuilder ?: new HttpPluginClientBuilder();
         $privatePackagistUrl = $privatePackagistUrl ? : 'https://packagist.com';

src/Exception/HttpTransportException.php

@@ -15,7 +15,7 @@ class HttpTransportException extends RuntimeException
 {
     private $requestUri;
 
-    public function __construct($message = "", $code = 0, $requestUri = "", Throwable $previous = null)
+    public function __construct($message = "", $code = 0, $requestUri = "", ?Throwable $previous = null)
     {
         $this->requestUri = $requestUri;
         parent::__construct($message, $code, $previous);

src/HttpClient/Plugin/ExceptionThrower.php

@@ -24,9 +24,9 @@ class ExceptionThrower implements Plugin
     /** @var ResponseMediator */
     private $responseMediator;
 
-    public function __construct(ResponseMediator $responseMediator = null)
+    public function __construct(?ResponseMediator $responseMediator = null)
     {
-        $this->responseMediator = $responseMediator ? $responseMediator : new ResponseMediator();
+        $this->responseMediator = $responseMediator ? : new ResponseMediator();
     }
 
     protected function doHandleRequest(RequestInterface $request, callable $next, callable $first)