3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(); $hash = md5($key . $time); echo $hash ?>
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.1, 5.1.3 - 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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0
Notice: Undefined variable: key in /in/VoiRv on line 4 d31d045127ec7f6126a7417fdaf2a558
Output for 5.1.2
Notice: Undefined variable: key in /in/VoiRv on line 4 2b691f74c3ce5181f5f2bd65aa983c18
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: key in /in/VoiRv on line 4 d31d045127ec7f6126a7417fdaf2a558
preferences:
232.12 ms | 402 KiB | 287 Q