3v4l.org

run code in 300+ PHP versions simultaneously
<?php $prev = "2015-10-13"; $prev1 = new DateTime($prev); $today = new DateTime(); $date = $today->diff($prev1); echo $date->format("%r%a");
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
-31
preferences:
231.24 ms | 404 KiB | 329 Q