3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = exec("ping -n 1 -w 1 www.google.com", $input, $result); if ($result == 0){ echo "<img src=\"on.png\">"; }else{ echo "<img src=\"off.png\">"; } ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
<img src="off.png">