3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($ok = true) { if ($ok) { return array('foo', 42); } return null; } list($a0, $b0) = foo(); printf("a: %s; b: %s", json_encode($a0), json_encode($b0));

preferences:
33.21 ms | 402 KiB | 5 Q