3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo md5(sprintf($qwerty, '')) .'1';
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: qwerty in /in/rn1uZ on line 2 d41d8cd98f00b204e9800998ecf8427e1
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: qwerty in /in/rn1uZ on line 2 d41d8cd98f00b204e9800998ecf8427e1