3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = new DateTime('2013-02-01'); $end = new DateTime('2013-02-17'); while ($start <= $end) { echo $start->format("m/d/Y") . PHP_EOL; $start->modify("+1 day"); }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
02/01/2013 02/02/2013 02/03/2013 02/04/2013 02/05/2013 02/06/2013 02/07/2013 02/08/2013 02/09/2013 02/10/2013 02/11/2013 02/12/2013 02/13/2013 02/14/2013 02/15/2013 02/16/2013 02/17/2013
preferences:
146.52 ms | 409 KiB | 5 Q