Fix PHP 8.4 deprecation errors

Author: Denis Goleshchikhin

composer.json

@@ -1,5 +1,5 @@
 {
-    "name": "php-http/promise",
+    "name": "plesk/php-http-promise",
     "description": "Promise used for asynchronous HTTP requests",
     "license": "MIT",
     "keywords": ["promise"],
@@ -17,6 +17,9 @@
     "require": {
         "php" : "^7.1 || ^8.0"
     },
+    "replace": {
+        "php-http/promise": "~1.2.0"
+    },
     "require-dev": {
         "friends-of-phpspec/phpspec-code-coverage" : "^4.3.2 || ^6.3",
         "phpspec/phpspec": "^5.1.2 || ^6.2 || ^7.4"

src/FulfilledPromise.php

@@ -29,7 +29,7 @@ public function __construct($result)
     /**
      * {@inheritdoc}
      */
-    public function then(callable $onFulfilled = null, callable $onRejected = null)
+    public function then(?callable $onFulfilled = null, ?callable $onRejected = null)
     {
         if (null === $onFulfilled) {
             return $this;

src/Promise.php

@@ -45,7 +45,7 @@ interface Promise
      *
      * @template V
      */
-    public function then(callable $onFulfilled = null, callable $onRejected = null);
+    public function then(?callable $onFulfilled = null, ?callable $onRejected = null);
 
     /**
      * Returns the state of the promise, one of PENDING, FULFILLED or REJECTED.

src/RejectedPromise.php

@@ -26,7 +26,7 @@ public function __construct(\Exception $exception)
     /**
      * {@inheritdoc}
      */
-    public function then(callable $onFulfilled = null, callable $onRejected = null)
+    public function then(?callable $onFulfilled = null, ?callable $onRejected = null)
     {
         if (null === $onRejected) {
             return $this;