3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = null; count($a);
based on 65t52
Output for 7.2.0 - 7.2.6
Warning: count(): Parameter must be an array or an object that implements Countable in /in/AV9Bv on line 4
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.1.20