3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { static function bar() : self { return new static(); } } class Qux extends Foo { /* At runtime this is here: static function bar() : self { return new static(); } */ } var_dump(Foo::bar(), Qux::bar());

preferences:
44.06 ms | 1495 KiB | 5 Q