3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private string $bar = "foo"; private function foo(): array {} } class Bar extends Foo { private array $bar = []; private function foo($foo): int {} } class Baz extends Bar { public self $bar; } $baz = new Baz(); $baz->bar = $baz; var_dump($baz);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(Baz)#1 (3) { ["bar":"Foo":private]=> string(3) "foo" ["bar":"Bar":private]=> array(0) { } ["bar"]=> *RECURSION* }
preferences:
45.35 ms | 406 KiB | 5 Q