3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php system("echo $PATH"); ?>
Output for 5.0.4 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: PATH in /in/Ic2UP on line 1
Output for hhvm-3.12.0
Notice: Undefined variable: PATH in /in/Ic2UP on line 1 Failed to exec: `echo '
Output for hhvm-3.10.0
Notice: Undefined variable: PATH in /in/Ic2UP on line 13 Failed to exec: `echo '
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: PATH in /in/Ic2UP on line 1