3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements Stringable { public function __toString() { return "Foo"; } } function greet(string $s) { echo "Hello $s"; } greet(new Foo());
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
Hello Foo

preferences:
54.66 ms | 406 KiB | 5 Q