3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array( null => 'a', true => 'b', false => 'c', 0 => 'd', 1 => 'e', '' => 'f' ); echo count($arr); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
3