3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new \Datetime('first day of +3 month'); echo $date->format('d-m-Y');
Output for 5.4.1 - 5.4.45, 5.6.28, 7.0.20, 7.1.0 - 7.1.25, 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
01-01-2016
Output for 5.5.35, 5.6.7, 5.6.21, 7.0.6
01-08-2016
Output for 5.5.24 - 5.5.29, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
01-07-2016
Output for 5.5.30 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
01-06-2016

preferences:
209.79 ms | 402 KiB | 242 Q