3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if($socket =@ fsockopen('google.com', 80, $errno, $errstr, 30)) { echo 'running'; } else { echo 'not'; } ?>
Output for 4.3.2 - 7.1.0
not
Output for 4.3.0 - 4.3.1

Process exited with code 139.