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 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11

preferences:
49.52 ms | 406 KiB | 5 Q