Method getGroupArray

public static function getGroupArray()
{
    $db = Factory::getDBO();
    $query = 'SELECT id, title' . ' FROM #__phocacart_specification_groups' . ' ORDER by ordering';
    $db->setQuery($query);
    $groups = $db->loadObjectList();
    $groupsA = array();
    if (!empty($groups)) {
        foreach ($groups as $k => $v) {
            $groupsA[$v->id] = $v->title;
        }
    }
    return $groupsA;
}