3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(!i);
Output for 7.2.0
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/HKOR2 on line 3 bool(false)
Output for 5.3.19 - 7.1.10
Notice: Use of undefined constant i - assumed 'i' in /in/HKOR2 on line 3 bool(false)