3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $h = system("echo 'hi, ho'"); echo $h;
Output for 4.3.0 - 5.3.28, 5.4.0 - 5.4.27, 5.4.44 - 7.1.0
Output for 5.3.29, 5.4.28 - 5.4.43
hi, ho hi, ho