3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = compact('willNeverBeDefined'); var_dump($result, empty($result), $result === array());
Output for git.master, git.master_jit, rfc.property-hooks
Warning: compact(): Undefined variable $willNeverBeDefined in /in/k6bt1 on line 3 array(0) { } bool(true) bool(true)

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:
57.83 ms | 401 KiB | 8 Q