private function buildPriceOption(TPPriceOption $po, $index)
{
$map = array();
$map["price"] = $this->nuller($po->getPrice());
$map["exp"] = $this->nuller($po->getAccessPeriod());
if ($po->getStartDateInSecs() != null && $po->getStartDateInSecs() != 0) {
$map["sd"] = $this->nuller($po->getStartDateInSecs());
}
if ($po->getEndDateInSecs() != null && $po->getEndDateInSecs() != 0) {
$map["ed"] = $this->nuller($po->getEndDateInSecs());
}
$map["cpt"] = $this->nuller($po->getCaption());
if (count($po->getSplitPays()) > 0) {
$splits = array();
foreach ($po->getSplitPays() as $email => $amount) {
array_push($splits, "{$email}={$amount}");
}
$map["splits"] = $splits;
}
return $map;
}