<?php
/* Display pages in 2 columns */
// all the pages to go in the footer by ID
$footerpagesids = array ( 9, 17, 21, 17, 6, 114, 116, 127, 25, 26, 30, 29, 39, 2247, 2830 );

// Amount of pages (count of items in array)
$results_total = count($footerpagesids);
// How many pages to show per list (round up total divided by 3)
$pages_per_list = ceil($results_total / 2);
// Counter number for tagging onto each list
$list_number = 1;
// Set the page result counter to zero
$result_number = 0;
?>

<ul class="footer-pages" id="pg-col-<?php echo $list_number; ?>">

<?php
foreach($footerpagesids as $footerpagesid) {
$result_number++;

if($result_number % $pages_per_list == 0) {
$list_number++;
echo '<li><a href="'. get_the_permalink($footerpagesid) .'">'. get_the_title($footerpagesid).'</a></li>
</ul>

<ul class="footer-pages" id="pg-col-'.$list_number.'">';

} else {
echo '<li><a href="'. get_the_permalink($footerpagesid) .'">'.get_the_title($footerpagesid).'</a></li>';
}
} ?>