3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($a)); $a = null; var_dump(isset($a));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) 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:
23.99 ms | 405 KiB | 5 Q