3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $asd = md5(sprintf($null, '')) .'1'; echo $asd;
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: null in /in/99876 on line 2 d41d8cd98f00b204e9800998ecf8427e1
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: null in /in/99876 on line 2 d41d8cd98f00b204e9800998ecf8427e1