Method getTagsSubmitItems

/*
 * TAGS (stored in submitted items) Field JFormFieldPhocaTagsSubmitItems
 */
public static function getTagsSubmitItems($itemId)
{
    $db = Factory::getDBO();
    $query = 'SELECT a.items_item';
    $query .= ' FROM #__phocacart_submit_items AS a' . ' WHERE a.id = ' . (int) $itemId . ' ORDER BY a.id';
    $db->setQuery($query);
    $items = $db->loadResult();
    if (!empty($items)) {
        $itemsA = json_decode($items, true);
        if (isset($itemsA['tags'])) {
            return $itemsA['tags'];
        }
    }
    return array();
}