3v4l.org

run code in 300+ PHP versions simultaneously
<?php $today = new DateTime(); $last_year=(new DateTime())->sub(new DateInterval('P1Y')); $next_year = (new DateTime())->add(new DateInterval('P1Y')); echo $last_year->format('Y').' '.$today->format('Y').' '.$next_year->format('Y');
Output for 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 - 7.2.34, 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
2019 2020 2021
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/QNKSW on line 3
Process exited with code 255.

preferences:
260.69 ms | 401 KiB | 414 Q