Details::getListShipping

public function getListShipping()
{
	static $result = null;

	if($result === null)
	{
		$result = array();
		$data = $this->getData();

		if(isset($data["ShippingServiceDetails"]) && is_array($data["ShippingServiceDetails"]))
		{
			foreach($data["ShippingServiceDetails"] as $service)
			{
				if(!in_array($service["ShippingService"], self::getUsableDeliveries()))
					continue;

				$result[$service["ShippingService"]] = $service["Description"];
			}
		}
	}

	return $result;
}