3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $time = time(); $hash = md5($key . $time); echo $hash ?>
Output for 5.6.28, 7.0.20 - 7.2.0
Notice: Undefined variable: key in /in/VoiRv on line 4 d31d045127ec7f6126a7417fdaf2a558
Output for 5.0.4 - 5.6.23, 7.0.0 - 7.0.8
Notice: Undefined variable: key in /in/VoiRv on line 4 e79eb46f2f7a87215a474eb4f189f1c1
Output for 4.3.0 - 4.3.2, 4.3.4 - 5.0.3
Notice: Undefined variable: key in /in/VoiRv on line 4 e79eb46f2f7a87215a474eb4f189f1c1
Output for 4.3.3
Notice: Undefined variable: key in /in/VoiRv on line 4 3ae602adb1aaa96c62476ad4498a3be6