3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = new DateTime('2013-01-31'); $end = new DateTime('2013-02-05'); while($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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14
01/31/2013 02/01/2013 02/02/2013 02/03/2013 02/04/2013 02/05/2013
preferences:
90.54 ms | 408 KiB | 5 Q