public function index()
 {
     $rajaOngkir = new RajaOngkir("d17256b1d6cb5da9539a286c4e0d6183");
     $data['products'] = Cart::content();
     $data['total'] = Cart::total();
     $data['province'] = $rajaOngkir->getProvince()->body->rajaongkir->results;
     $data['city'] = $rajaOngkir->getCity()->body->rajaongkir->results;
     return $this->view('checkout.index', $data);
 }
 /**
  * Constructor
  * @param string $api_key API Key Anda sebagaimana yang tercantum di akun panel RajaOngkir
  * @param array $additional_headers Header tambahan seperti android-key, ios-key, dll
  */
 public function __construct($api_key, $additional_headers = array())
 {
     RajaOngkir::$api_key = $api_key;
     \Unirest::defaultHeader("Content-Type", "application/x-www-form-urlencoded");
     \Unirest::defaultHeader("key", RajaOngkir::$api_key);
     foreach ($additional_headers as $key => $value) {
         \Unirest::defaultHeader($key, $value);
     }
 }