3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = '2'; if (is_numeric($a) ^ is_numeric($b)) { echo 'Number'; } else { echo 'NaN'; }
Output for git.master, git.master_jit, rfc.property-hooks
NaN

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:
51.61 ms | 401 KiB | 8 Q