3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = null; $c = 32 + 15 + a; echo $c;
Output for 7.2.0
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/Igjec on line 5 Warning: A non-numeric value encountered in /in/Igjec on line 5 47
Output for 7.1.0 - 7.1.10
Notice: Use of undefined constant a - assumed 'a' in /in/Igjec on line 5 Warning: A non-numeric value encountered in /in/Igjec on line 5 47
Output for 4.3.0 - 7.0.20
Notice: Use of undefined constant a - assumed 'a' in /in/Igjec on line 5 47