3v4l.org

run code in 300+ PHP versions simultaneously
<?php class IsGet { private $arr = [1 => 1, 2 => 2, 3 => 3]; function &__get($property) { echo "__get\n"; return $this->arr; } function __isset($property) { echo "__isset\n"; return false; } } $instance = new IsGet(); var_dump(isset($instance->arr[1]));
Output for git.master, git.master_jit, rfc.property-hooks
__isset bool(false)

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
32.87 ms | 405 KiB | 5 Q