Recurly_Coupon::uriForCoupon PHP Method

    protected static function uriForCoupon($couponCode)
    {
        return Recurly_Client::PATH_COUPONS . '/' . rawurlencode($couponCode);
    }

 protected function uri()
 {
     if (!empty($this->_href)) {
         return $this->getHref();
     } else {
         return Recurly_Coupon::uriForCoupon($this->coupon_code);
     }
 }