private function toObject($row)
{
$obj = new Price();
if (isset($row["from_ddd"])) {
$obj->setFromDDD($row["from_ddd"]);
}
if (isset($row["to_ddd"])) {
$obj->setToDDD($row["to_ddd"]);
}
if (isset($row["price_per_minute"])) {
$obj->setPricePerMinute($row["price_per_minute"]);
}
return $obj;
}