3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(md5());
Output for 5.0.0 - 7.1.0
Warning: md5() expects at least 1 parameter, 0 given in /in/Hm8LH on line 2 NULL
Output for 4.3.0 - 4.4.9
Warning: Wrong parameter count for md5() in /in/Hm8LH on line 2 NULL