3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Foo { public function isFoo() { return $this instanceof Foo; } } class Bar { public function doSomething() { return Foo::isFoo(); } } $bar = new Bar; var_dump($bar->doSomething());

preferences:
59.55 ms | 2315 KiB | 5 Q