3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function isFoo() { //return $this instanceof Foo; return "aa"; } } class Bar { public function doSomething() { return Foo::isFoo(); } } $bar = new Bar; var_dump($bar->doSomething());

preferences:
33.03 ms | 402 KiB | 5 Q