3v4l.org

run code in 500+ PHP versions simultaneously
<?php class SomeParent { public function test(): self { return $this; } } final class SomeChild extends SomeParent { } $obj = new SomeChild(); var_dump($obj->test());
Output for 7.0.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
object(SomeChild)#1 (0) { }

preferences:
80.87 ms | 1112 KiB | 4 Q