3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $num = 10; if (num); $num = 3; echo $num;
Output for 7.2.0
Warning: Use of undefined constant num - assumed 'num' (this will throw an Error in a future version of PHP) in /in/G7Nu4 on line 5 3
Output for 5.3.18 - 7.1.10
Notice: Use of undefined constant num - assumed 'num' in /in/G7Nu4 on line 5 3