3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(0,null,3,null); $filtered = array_filter($arr, 'strlen' ); print_r($filtered);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Array ( [0] => 0 [2] => 3 )