3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo exec("ping google.com -c 4"); ?>
Output for 4.3.0 - 5.6.25, 7.0.0 - 7.1.0
Output for hhvm-3.10.0 - 3.13.2
Failed to exec: `ping google.com -c 4'