fix(): implicit nullable parameter deprecation

.gitignore

@@ -1,3 +1,5 @@
 vendor
 composer.lock
-humbuglog.txt
+humbuglog.txt
+
+.idea

composer.json

@@ -20,7 +20,8 @@
     "require": {
         "php": ">=7.3",
         "guzzlehttp/psr7": "^2.1",
-        "psr/log": "^1.0 || ^2.0 || ^3.0"
+        "psr/log": "^1.0 || ^2.0 || ^3.0",
+        "ext-curl": "*"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",

src/Debugger/Logger.php

@@ -28,7 +28,7 @@ public function __construct(LoggerInterface $logger)
      * @param Call $call
      * @param CallInfo | null $info
      */
-    public function debugCall(Call $call, CallInfo $info = null)
+    public function debugCall(Call $call, ?CallInfo $info = null)
     {
         $message = $call->hasException()
             ? 'Thrown exception: ' . $call->getException()->getMessage()

src/Handler/CurlMultiRequestHandler.php

@@ -81,7 +81,6 @@ public function sendMany(CallRegistry $callRegistry)
             $this->getLogger()->debugCall($call, $info);
 
             curl_multi_remove_handle($multiHandle, $handle);
-            curl_close($handle);
         }
         curl_multi_close($multiHandle);
     }

src/Handler/CurlRequestHandler.php

@@ -77,7 +77,6 @@ public function send(Call $call)
         }
 
         $info = CurlCallInfoFactory::createFromInfo(curl_getinfo($curlHandle));
-        curl_close($curlHandle);
 
         $this->getLogger()->debugCall($call, $info);
     }
@@ -110,8 +109,6 @@ public function sendMany(CallRegistry $callRegistry)
             $info = CurlCallInfoFactory::createFromInfo(curl_getinfo($curlHandle));
             $this->getLogger()->debugCall($call, $info);
         }
-
-        curl_close($curlHandle);
     }
 
     /**

src/Operation/CommandOperation.php

@@ -48,11 +48,11 @@ public function set($key, $value)
 
 
     /**
-     * @param UrlQuery $urlQuery
+     * @param UrlQuery|null $urlQuery
      * @param array $extra
      * @return string
      */
-    protected function buildUrlQuery(UrlQuery $urlQuery = null, array $extra = [])
+    protected function buildUrlQuery(?UrlQuery $urlQuery = null, array $extra = [])
     {
         $params = [];
         if (null !== $urlQuery) {

src/Operation/SuccessfulOperationResponse.php

@@ -33,7 +33,7 @@ class SuccessfulOperationResponse implements OperationResponse
      * @param int $successCode
      * @param RequestInterface $request
      */
-    public function __construct(ResponseInterface $response, $successCode, RequestInterface $request = null)
+    public function __construct(ResponseInterface $response, $successCode, ?RequestInterface $request = null)
     {
         $this->response = $response;
         $this->successCode = (int) $successCode;