3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait T { public function self(): self { return $this; } public function parent(): parent { return $this; } public function static(): static { return $this; } }
Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2

preferences:
50.21 ms | 406 KiB | 5 Q