public function validate_address($id = false)
{
$this->loadModel('UserAddress');
$address = $this->UserAddress->findById($id);
App::import('Vendor', 'UspsApi', array('file' => 'UspsApi.php'));
$u = new UspsApi();
$res = $u->validate_address($address['UserAddress']);
die(print_r(simplexml_load_string($res)));
}
public function usps_address()
{
$this->loadModel('Warehouse');
$wh = $this->Warehouse->findById(1);
$address = array("street" => "2669 Nutmeg Cir", "city" => "Simi Valley", "postal_code" => "93065", "province" => "CA", "apt" => "");
App::import("Vendor", "UspsApi", array("file" => "UspsApi.php"));
$u = new UspsApi(false, $wh);
$res = $u->validate_address($address);
}