3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime("+1 hour 40 minutes");
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0, 5.6.2 - 5.6.15, 5.6.17 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.4, 7.2.6 - 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
1399659867
Output for 5.6.1, 5.6.16, 7.2.5
1399659868
Output for 5.0.0 - 5.0.2
1399592400

preferences:
268.62 ms | 401 KiB | 444 Q