3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = Array( C1015391 => "103.224.116.99", C1015387 => "103.224.116.29", ); echo count($a);
Output for 7.2.6 - 7.3.0beta1
Warning: Use of undefined constant C1015391 - assumed 'C1015391' (this will throw an Error in a future version of PHP) in /in/1eD4V on line 3 Warning: Use of undefined constant C1015387 - assumed 'C1015387' (this will throw an Error in a future version of PHP) in /in/1eD4V on line 4 2
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant C1015391 - assumed 'C1015391' in /in/1eD4V on line 3 Notice: Use of undefined constant C1015387 - assumed 'C1015387' in /in/1eD4V on line 4 2