3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar {} class Baz {} function foo(array $bars) { $bars = (fn (Bar ...$bars) => $bars)(...$bars); var_dump($bars); } foo([new Bar, new Bar]); foo([new Bar, new Baz]);

preferences:
28.51 ms | 404 KiB | 5 Q