Implement __serialize() in addition to __sleep() (which will be deprecated in PHP 8.5)

Author: sebastianbergmann

ChangeLog-8.5.md

@@ -2,6 +2,12 @@
 
 All notable changes of the PHPUnit 8.5 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
+## [8.5.45] - 2025-MM-DD
+
+### Changed
+
+* Implement `__serialize()` in addition to `__sleep()` (which will be deprecated in PHP 8.5)
+
 ## [8.5.44] - 2025-08-20
 
 ### Changed
@@ -340,6 +346,7 @@ All notable changes of the PHPUnit 8.5 release series are documented in this fil
 * [#3967](https://github.com/sebastianbergmann/phpunit/issues/3967): Cannot double interface that extends interface that extends `\Throwable`
 * [#3968](https://github.com/sebastianbergmann/phpunit/pull/3968): Test class run in a separate PHP process are passing when `exit` called inside
 
+[8.5.45]: https://github.com/sebastianbergmann/phpunit/compare/8.5.44...8.5
 [8.5.44]: https://github.com/sebastianbergmann/phpunit/compare/8.5.43...8.5.44
 [8.5.43]: https://github.com/sebastianbergmann/phpunit/compare/8.5.42...8.5.43
 [8.5.42]: https://github.com/sebastianbergmann/phpunit/compare/8.5.41...8.5.42

src/Framework/Exception/Exception.php

@@ -71,6 +71,11 @@ public function __sleep(): array
         return array_keys(get_object_vars($this));
     }
 
+    public function __serialize(): array
+    {
+        return get_object_vars($this);
+    }
+
     /**
      * Returns the serializable trace (without 'args').
      */