3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print_r(exec('uptime'));
Output for 4.3.0, 5.4.39 - 5.6.21, 7.0.0 - 7.1.0
Output for hhvm-3.12.0

Process exited with code 137.
Output for hhvm-3.10.0
Failed to exec: `uptime'
Output for 4.3.1 - 5.4.38
sh: 1: uptime: not found