Columns

colmns.php

<?php

$list = array(1,2,2,2,2,3,3,1,1,1,1,1,2,2,1,2,3,1,2,1,1,3);

$line = 1;
$ordered = array();
foreach ($list as $item) {
    if (isset($ordered[$line]) && (array_sum($ordered[$line]) + $item) > 3) {
        $line++;
    }

    $ordered[$line][] = $item;
}

var_dump($ordered);