3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php system("echo hi, ho");
Output for 4.3.0 - 5.3.28, 5.4.0 - 5.4.27, 5.4.44 - 5.6.28, 7.0.0 - 7.1.0
Output for hhvm-3.10.0 - 3.12.0
Failed to exec: `echo hi, ho'
Output for 5.3.29, 5.4.28 - 5.4.43
hi, ho