Split WireArray/PageArray into chunks

split-processwire-array.php

<?php

// Thanks to netcarver > https://processwire.com/talk/topic/7803-implement-array-chunk/?p=75573

$items = $pages->find('#whatever'); // Find your stuff
$parts = 3; // How many items should there be in 1 chunk?
$chunked = array_chunk($items->getArray(), $parts);

foreach ($chunked as $chunk) {
    foreach ($chunk as $item) {
        // Do stuff like echo $item->title;
    }
}