/**
* Creates an Order object based on an array of property
* names and an optional sort value.
* @param array $properties the property names.
* @param null|string $sort optional, asc or desc.
* @return Order the created order object.
*/
public static function format(array $properties, $sort = null)
{
$order = new Order();
foreach ($properties as $prop) {
$order->addProperty($prop);
}
$order->setSort($sort);
return $order;
}
