3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(0x0+a);
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/HlOVR on line 3 Warning: A non-numeric value encountered in /in/HlOVR on line 3 int(0)
Output for 7.1.0 - 7.1.10
Notice: Use of undefined constant a - assumed 'a' in /in/HlOVR on line 3 Warning: A non-numeric value encountered in /in/HlOVR on line 3 int(0)
Output for 4.3.0 - 5.2.17, 5.3.11 - 7.0.20
Notice: Use of undefined constant a - assumed 'a' in /in/HlOVR on line 3 int(0)
Output for 5.3.0 - 5.3.10
Notice: Use of undefined constant a - assumed 'a' in /in/HlOVR on line 3 int(10)