3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime("yesterday");
Output for 5.0.0 - 5.0.2, 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 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
1383174000
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
1383177600
Output for 4.3.0 - 4.3.1, 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5
1383212851
Output for 4.3.2
1383212850

preferences:
284.85 ms | 401 KiB | 456 Q