3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo aaaa; ?>
Output for 7.2.0 - 7.2.6
Warning: Use of undefined constant aaaa - assumed 'aaaa' (this will throw an Error in a future version of PHP) in /in/gP6Gs on line 3 aaaa
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant aaaa - assumed 'aaaa' in /in/gP6Gs on line 3 aaaa