3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $var = 1; public function dump(self $foo) { var_dump($foo); } } $foo = new Foo(); $foo->var = 10; $foo2 = new Foo(); $foo2->dump($foo); $foo2->dump(new stdClass);

preferences:
57.71 ms | 402 KiB | 5 Q