3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $output = shell_exec('ls -lart'); echo "<pre>$output</pre>";
Output for 4.3.0 - 5.6.30, 7.0.0 - 7.2.2
<pre></pre>
Output for hhvm-3.10.1 - 3.11.1, hhvm-3.13.2 - 3.17.3
<pre>Failed to exec: `ls -lart' </pre>
Output for hhvm-3.12.14

Process exited with code 137.