3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $list = array(1,2,3,4,5,6); $length = count($list); $columns = 3; for($column = 0; $column < $columns; $column++) { for($i = $column; $i < $length; $i=$i+$columns) { echo $list[$i]; } echo '<br/>'; }
Output for 4.3.0 - 7.1.10
14<br/>25<br/>36<br/>