3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Pok { public function get(): Pok|null { return new Pok(); } public function getNull(): Pok|null { return null; } } $pok = new Pok(); var_dump($pok->get()); var_dump($pok->getNull()); var_dump($pok->get()?->get()); var_dump($pok->getNull()?->get()); var_dump($pok->getNull()?->getNull()?->get()); var_dump($pok->getNull()?->getNull()->get());
Output for 8.2.31 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
object(Pok)#2 (0) { } NULL object(Pok)#3 (0) { } NULL NULL NULL
preferences:
46.27 ms | 766 KiB | 4 Q