3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // Source: https://bugs.php.net/bug.php?id=61011 system(pwd);
Output for 7.2.0
Warning: Use of undefined constant pwd - assumed 'pwd' (this will throw an Error in a future version of PHP) in /in/Vi7cS on line 4
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant pwd - assumed 'pwd' in /in/Vi7cS on line 4