3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php count(FALSE);
Output for 7.2.0 - 7.2.11
Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEnan on line 2
Output for 4.3.0 - 5.6.38, hhvm-3.10.1 - 3.11.1, hhvm-3.18.4 - 3.22.0, 7.0.0 - 7.1.23
Output for hhvm-3.12.14 - 3.17.3

Process exited with code 137.