3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php max(0, $a);
Output for 5.0.4 - 7.3.0rc3
Notice: Undefined variable: a in /in/40fj6 on line 3
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/40fj6 on line 3