3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = "0:00"; $end = "11:00"; $tStart = strtotime($start); $tEnd = strtotime($end); $tNow = $tStart; while($tNow <= $tEnd){ echo date("H:i",$tNow)."\n"; $tNow = strtotime('+30 minutes',$tNow); } ?>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
00:00 00:30 01:00 01:30 02:00 02:30 03:00 03:30 04:00 04:30 05:00 05:30 06:00 06:30 07:00 07:30 08:00 08:30 09:00 09:30 10:00 10:30 11:00
preferences:
192.89 ms | 405 KiB | 299 Q