One-click

$logins = [
    "login" => $credentials['private']['login'],
    "password" => $credentials['private']['password'],
  ];

  $data = [
    "orderid"=>"POC_ONE_CLICK_".rand(),
    "operation"=>"Sale",
    "eci"=>7,
    "multi_use"=>1,
    "accept_url"=>$FRONDEND_URL."/?type=accept",
    "decline_url"=>$FRONDEND_URL."/?type=error",
    "cancel_url"=>$FRONDEND_URL."/?type=error",
    "language"=>"fr_FR",
    "email"=>"[email protected]",
    "custom_data"=>"{\"item 1\":\"Large Mocha Latte\", \"item 2\":\"Banana Nut Muffin\"}",
    "time_limit_to_pay"=>90
    // ...
  ];

  try {
    //Get JSON data from front-end
    $receivedData = json_decode(file_get_contents('php://input'),true);

    //Set reponse code  at 200
    http_response_code(200);

    $config = new \HiPay\Fullservice\HTTP\Configuration\Configuration($logins['login'], $logins['password']);
    $clientProvider = new \HiPay\Fullservice\HTTP\SimpleHTTPClient($config);
    $gatewayClient = new \HiPay\Fullservice\Gateway\Client\GatewayClient($clientProvider);

    //Instantiate order request
    $orderRequest = new \HiPay\Fullservice\Gateway\Request\Order\OrderRequest();
    $orderRequest->orderid = $data["orderid"];
    $orderRequest->operation = $data["operation"];
    $orderRequest->description = $data["description"];
    $orderRequest->long_description = $data["long_description"];
    $orderRequest->accept_url = $data["accept_url"];
    $orderRequest->decline_url = $data["decline_url"];
    $orderRequest->pending_url = $data["pending_url"];
    $orderRequest->exception_url = $data["exception_url"];
    $orderRequest->cancel_url = $data["cancel_url"];
    $orderRequest->notify_url = $data["notify_url"];
    $orderRequest->language = $data["language"];
    $orderRequest->cdata1 = $data["cdata1"];
    $orderRequest->custom_data = $data["custom_data"];
    $orderRequest->payment_product = $receivedData['payment_product'];


    $orderRequest->paymentMethod = new \HiPay\Fullservice\Gateway\Request\PaymentMethod\CardTokenPaymentMethod();
    $orderRequest->paymentMethod->eci = $receivedData["eci"];
    $orderRequest->paymentMethod->authentication_indicator = $data["authentication_indicator"];
    $orderRequest->paymentMethod->cardtoken = $receivedData['token'];

    $orderRequest->customerBillingInfo = new \HiPay\Fullservice\Gateway\Request\Info\CustomerBillingInfoRequest();
    $orderRequest->customerBillingInfo->email = $data["email"];
    $orderRequest->customerBillingInfo->phone = $data["phone"];
    $orderRequest->customerBillingInfo->birthdate = $data["birthdate"];
    $orderRequest->customerBillingInfo->gender = $data["gender"];
    $orderRequest->customerBillingInfo->firstname = $data["firstname"];
    $orderRequest->customerBillingInfo->lastname = $data["lastname"];
    $orderRequest->customerBillingInfo->country = $data["country"];
    $orderRequest->customerBillingInfo->recipientinfo = $data["recipientinfo"];
    $orderRequest->customerBillingInfo->streetaddress = $data["streetaddress"];
    $orderRequest->customerBillingInfo->streetaddress2 = $data["streetaddress2"];
    $orderRequest->customerBillingInfo->city = $data["city"];
    $orderRequest->customerBillingInfo->state = $data["state"];
    $orderRequest->customerBillingInfo->zipcode = $data["zipcode"];

    //Send the request order
    $transaction = $gatewayClient->requestNewOrder($orderRequest);

    $response = [
      "transaction_number" => $transaction->getTransactionReference(),
      "order_id" => $transaction->getOrder()->getId(),
      "forward_url" => (!$transaction->getReason() ? $data['accept_url'] : $data['cancel_url']),
    ];

    // This response is send to the front-end at the success of AJAX call
    echo json_encode($response);

  } catch (\Exception $e) {
    $response = [
      "error_message" => $e->getMessage(),
    ];

    // This response is send to the front-end at the failure of AJAX call
    echo json_encode($response);
  }