3v4l.org

run code in 300+ PHP versions simultaneously
<?php // both lines output 813470400 $date = strtotime("201803"); echo $date; ?>
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1524766683
Output for 7.3.32 - 7.3.33, 8.0.13
1524773883

preferences:
154.43 ms | 401 KiB | 167 Q