Выборка телефонов пользователей из списка заказов MS2 MODx

list.tpl

{'phone' | snippet}

phone.php

<?php
$tp = $modx->getOption('table_prefix');
$sQuery = 
"SELECT u.phone as phone
FROM ".$tp."ms2_orders m2o
LEFT JOIN ".$tp."ms2_order_addresses u ON (m2o.user_id = u.user_id)

GROUP BY m2o.user_id
ORDER BY u.phone
";
$result = $modx->query($sQuery);
$res = $result->fetchAll(PDO::FETCH_ASSOC);

echo "<ol>";
foreach($res as $v){
    echo "<li>".$v['phone']."</li>";
}
echo "</ol>";