3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php system("echo $PATH"); ?>
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: PATH in /in/Ic2UP on line 1
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: PATH in /in/Ic2UP on line 1