3v4l.org

run code in 300+ PHP versions simultaneously
<?php $buildID = '20130506004001'; $buildTime = strtotime($buildID); echo (time() - $buildTime);
Output for 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.8, 7.3.10 - 7.3.12, 7.4.0
26091949
Output for 7.3.9
26091950
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
1393885551
preferences:
213.59 ms | 402 KiB | 244 Q