3v4l.org

run code in 300+ PHP versions simultaneously
<?php $iterations = 1000000; $string = 'btw'; // test isset perf $count = 0; while ($count < $iterations) { isset($string['key']); ++$count; }
Output for git.master_jit, git.master, rfc.property-hooks

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:
40.86 ms | 401 KiB | 8 Q