3v4l.org

run code in 300+ PHP versions simultaneously
<?php $year = 2013; $Jan1 = gmmktime(0, 0, 0, 1, 1, $year); $mydate = gmmktime(0, 0, 0, 11, 30, $year); $delta = (int)(($mydate - $Jan1) / (7 * 24 * 60 * 60)) + 1; echo 'weeknumber: ', $delta;
Output for git.master, git.master_jit, rfc.property-hooks
weeknumber: 48

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:
53.11 ms | 401 KiB | 8 Q