/**
* Sorts a list of database objects.
*
* @param array<DatabaseObject> $objects
* @param mixed $sortBy
* @param string $sortOrder
* @return boolean
*/
public static function sort(&$objects, $sortBy, $sortOrder = 'ASC')
{
self::$sortBy = !is_array($sortBy) ? array($sortBy) : $sortBy;
self::$sortOrder = !is_array($sortOrder) ? array($sortOrder) : $sortOrder;
return uasort($objects, array('DatabaseObject', 'compareObjects'));
}