3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if (DEBUG) echo 'some sensitive data';
Output for 7.2.0
Warning: Use of undefined constant DEBUG - assumed 'DEBUG' (this will throw an Error in a future version of PHP) in /in/fIpMO on line 2 some sensitive data
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant DEBUG - assumed 'DEBUG' in /in/fIpMO on line 2 some sensitive data