3v4l.org

run code in 500+ PHP versions simultaneously
<?php $date = new DateTIme("january"); for ($i = 1; $i <= 12; $i++) { echo $date->format("F")."\n"; $date->modify("+1 months"); }
Output for 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 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
January February March April May June July August September October November December
preferences:
105.35 ms | 2001 KiB | 4 Q