PHP Api\RedirectUrls类代码示例

 /**
  * Generate the approval link for a PayPal payment
  * @param $amountToPay
  * @return mixed
  */
 public function generateApprovalLink($amountToPay)
 {
     $amountToPay = number_format($amountToPay, 2, ".", "");
     $payer = new Payer();
     $payer->setPaymentMethod("paypal");
     $amount = new Amount();
     $amount->setCurrency($this->currency)->setTotal($amountToPay);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setDescription(trans("billing.paymentToCompany", ['company_name' => Config::get("customer_portal.company_name")]))->setInvoiceNumber(uniqid(true));
     //This is not a payment on a specific invoice, so we'll just generate a unique string, which is what PayPal requires
     $tempToken = new PaypalTemporaryToken(['account_id' => get_user()->account_id, 'token' => uniqid(true)]);
     $tempToken->save();
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl(action("PayPalController@completePayment", ['temporary_token' => $tempToken->token]))->setCancelUrl(action("PayPalController@cancelPayment", ['temporary_token' => $tempToken->token]));
     $payment = new Payment();
     $payment->setIntent("sale")->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions([$transaction]);
     $payment->create($this->apiContext);
     return $payment->getApprovalLink();
 }

function CreateTransaction($transactionType, $itemArray, $details)
{
    $payer = new Payer();
    $payer->setPaymentMethod($GLOBALS['PAYPAL']['payment_method']);
    $itemList = new ItemList();
    $itemList->setItems($itemArray);
    $amount = new Amount();
    $amount->setCurrency($GLOBALS['PAYPAL']['currency'])->setTotal(GetDetailsTotal($details))->setDetails($details);
    $transaction = new Transaction();
    $transaction->setAmount($amount)->setItemList($itemList)->setDescription($GLOBALS['TRANSACTION_TYPE']['DONATION']['payment_desc'])->setInvoiceNumber(uniqid());
    $redirectUrls = new RedirectUrls();
    $redirectUrls->setReturnUrl($GLOBALS['TRANSACTION_TYPE']['DONATION']['return_url'])->setCancelUrl($GLOBALS['TRANSACTION_TYPE']['DONATION']['cancel_url']);
    $payment = new Payment();
    $payment->setIntent($GLOBALS['TRANSACTION_TYPE']['DONATION']['intent'])->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions(array($transaction));
    $request = clone $payment;
    try {
        $payment->create($GLOBALS['PAYPAL']['api_context']);
    } catch (Exception $ex) {
        ResultPrinter::printError("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", null, $request, $ex);
        return false;
    }
    $approvalUrl = $payment->getApprovalLink();
    echo $approvalUrl;
    return array('request' => $request, 'payment' => $payment, 'approvalUrl' => $approvalUrl);
}

 /**
  * @dataProvider invalidRedirectUrlsProvider
  */
 public function testInvalidRedirectUrls($return_url, $cancel_url)
 {
     $redirectUrls = new RedirectUrls();
     $this->setExpectedException('\\InvalidArgumentException');
     $redirectUrls->setReturnUrl($return_url);
     $redirectUrls->setCancelUrl($cancel_url);
 }

 /**
  * @return Payment
  * @throws CheckoutException
  */
 public function startPayment()
 {
     $total_amount = ($this->request->amount + $this->request->tax_amount - $this->request->discount_amount) * 100;
     $apiContext->setConfig(array('service.EndPoint' => "https://test-api.sandbox.paypal.com"));
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $item1 = new Item();
     $item1->setName('Product1')->setCurrency('EUR')->setPrice(10.0)->setQuantity(2)->setTax(3.0);
     $itemList = new ItemList();
     $itemList->setItems(array($item1));
     $details = new Details();
     $details->setShipping(1.2)->setTax(1.3)->setSubtotal(17.5);
     $amount = new Amount();
     $amount->setCurrency('EUR')->setTotal(20)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($itemList)->setDescription('Payment')->setInvoiceNumber('transactionid');
     $baseUrl = getBaseUrl();
     $redir = new RedirectUrls();
     $redir->setReturnUrl($baseUrl . '/');
     $redir->setCancelUrl($baseUrl . '/');
     $payment = new Payment();
     $payment->setIntent('sale')->setPayer($payer)->setRedirectUrls($redir)->setTransactions(array($transaction));
     $request = clone $payment;
     try {
         $payment->create($apiContext);
     } catch (\Exception $e) {
         throw new CheckoutException('Paypal error', 500, $e);
     }
     $approvalUrl = $payment->getApprovalLink();
     ResultPrinter::printResult("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", "<a href='{$approvalUrl}' >{$approvalUrl}</a>", $request, $payment);
     return $payment;
 }

 /**
  * @param PaymentInterface $payment
  */
 public function init(PaymentInterface $payment)
 {
     $credentials = new OAuthTokenCredential($this->options['client_id'], $this->options['secret']);
     $apiContext = new ApiContext($credentials);
     $apiContext->setConfig(['mode' => $this->options['mode']]);
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $amount = new Amount();
     $amount->setCurrency($this->options['currency']);
     $amount->setTotal($payment->getPaymentSum());
     $item = new Item();
     $item->setName($payment->getDescription());
     $item->setCurrency($amount->getCurrency());
     $item->setQuantity(1);
     $item->setPrice($amount->getTotal());
     $itemList = new ItemList();
     $itemList->addItem($item);
     $transaction = new Transaction();
     $transaction->setAmount($amount);
     $transaction->setDescription($payment->getDescription());
     $transaction->setItemList($itemList);
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl($payment->getExtraData('return_url'));
     $redirectUrls->setCancelUrl($payment->getExtraData('cancel_url'));
     $paypalPayment = new Payment();
     $paypalPayment->setIntent('sale');
     $paypalPayment->setPayer($payer);
     $paypalPayment->setTransactions([$transaction]);
     $paypalPayment->setRedirectUrls($redirectUrls);
     $paypalPayment->create($apiContext);
     $payment->setExtraData('paypal_payment_id', $paypalPayment->getId());
     $payment->setExtraData('approval_link', $paypalPayment->getApprovalLink());
 }

 public function makePaymentUsingPayPal($total, $currency, $paymentDesc, $returnUrl)
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     // specify the payment ammount
     $amount = new Amount();
     $amount->setCurrency($currency);
     $amount->setTotal($total);
     // ###Transaction
     // A transaction defines the contract of a
     // payment - what is the payment for and who
     // is fulfilling it. Transaction is created with
     // a `Payee` and `Amount` types
     $transaction = new Transaction();
     $transaction->setAmount($amount);
     $transaction->setDescription($paymentDesc);
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl($returnUrl . '&success=true');
     $redirectUrls->setCancelUrl($returnUrl . '&success=false');
     $payment = new Payment();
     $payment->setRedirectUrls($redirectUrls);
     $payment->setIntent('sale');
     $payment->setPayer($payer);
     $payment->setTransactions(array($transaction));
     try {
         $payment->create($this->apiContext);
     } catch (Exception $e) {
         throw new Exception($e);
     }
     return $payment;
 }

 /**
  * @param array $items
  * @param $shippingDetails
  * @param string $intent
  * @throws Exception
  * @return null|string
  */
 public function createPayment(array $items, Details $shippingDetails, $intent = PaymentConst::INTENT_SALE)
 {
     $apiContext = $this->connectionService->getApiContext();
     $dispatcher = $this->connectionService->getDispatcher();
     $dispatcher->dispatch(PaymentEvent::NEW_SETUP);
     $successUrl = '';
     $cancelUrl = '';
     switch ($intent) {
         case PaymentConst::INTENT_SALE:
             $successUrl = $this->router->generate('paypal_payment_sale_success', array(), true);
             $cancelUrl = $this->router->generate('paypal_payment_sale_cancel', array(), true);
             break;
         case PaymentConst::INTENT_AUTHORIZE:
             $successUrl = $this->router->generate('paypal_payment_authorize_success', array(), true);
             $cancelUrl = $this->router->generate('paypal_payment_authorize_cancel', array(), true);
             break;
     }
     $redirectUrls = new RedirectUrls();
     $redirectUrls->setReturnUrl($successUrl)->setCancelUrl($cancelUrl);
     $payment = PaymentService::create($items, $shippingDetails, $intent, PaymentConst::METHOD_PAYPAL);
     $payment->setRedirectUrls($redirectUrls);
     $paymentEvent = new PayPalPaymentEvent($payment);
     $dispatcher->dispatch(PaymentEvent::NEW_START, $paymentEvent);
     $result = $payment->create($apiContext);
     $paymentEvent = new PayPalPaymentEvent($result);
     $dispatcher->dispatch(PaymentEvent::NEW_END, $paymentEvent);
     $payment->create($apiContext);
     $approvalUrl = $payment->getApprovalLink();
     return $approvalUrl;
 }

 public function postPayment()
 {
     $data = array();
     if (is_array(Input::get('room_id'))) {
         foreach (Input::get('room_id') as $key => $val) {
             $data[$key] = array('am_id' => Input::get('am_id.' . $key), 'rooms' => $val);
         }
     }
     $data2 = array();
     if (is_array(Input::get('add_Am'))) {
         foreach (Input::get('add_Am') as $key => $val) {
             $data2[$key] = array('am_id' => Input::get('am_id.' . $key), 'rooms' => $val);
         }
     }
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $name = Input::get('packname');
     $price = Input::get('amount');
     $input_dFrom = Input::get('package_datefrom');
     $input_dTo = Input::get('package_dateto');
     $input_nPax = Input::get('num_pax');
     $input_fName = Input::get('fullN');
     $postData = new Reservation();
     $postData->dataInsertPost($name, $price, $input_dFrom, $input_dTo, $input_nPax, $input_fName, json_encode($data), 'PayPal', json_encode($data2));
     $item_1 = new Item();
     $item_1->setName($name)->setCurrency('PHP')->setQuantity('1')->setPrice(intval($price));
     // unit price
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems(array($item_1));
     $amount = new Amount();
     $amount->setCurrency('PHP')->setTotal(intval($price));
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     //        $redirect_urls->setReturnUrl(URL::to('/dashboard/accommodation'))
     //            ->setCancelUrl(URL::to('/dashboard/accommodation'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (PayPal\Exception\PayPalConnectionException $e) {
         echo $e->getData();
         // This will print a JSON which has specific details about the error.
         exit;
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         return json_encode(['url' => $redirect_url]);
     }
     return Redirect::route('dashboard.packages.accommodation')->with('error', 'Unknown error occurred');
 }

 public function postPayment($producto_id)
 {
     $producto = Producto::find($producto_id);
     if (is_null($producto)) {
         App::abort(404);
     }
     $productoYaComprado = User::find(Auth::user()->id)->Productos()->whereProducto_id($producto->id)->first();
     if (!is_null($productoYaComprado)) {
         App::abort(404);
     }
     \Session::put('producto_id', $producto_id);
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $items = array();
     $subtotal = 0;
     $currency = 'MXN';
     $item = new Item();
     $item->setName($producto->nombre)->setCurrency($currency)->setDescription($producto->nombre)->setQuantity(1)->setPrice($producto->precio);
     $items[] = $item;
     $subtotal += $producto->precio;
     $item_list = new ItemList();
     $item_list->setItems($items);
     $details = new Details();
     $details->setSubtotal($subtotal);
     //->setShipping(100);
     //$total = $subtotal + 100;
     $total = $subtotal;
     $amount = new Amount();
     $amount->setCurrency($currency)->setTotal($total)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(\URL::route('payment.status'))->setCancelUrl(\URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             return \Redirect::route('home')->with('message', 'Algo salió mal, inténtalo de nuevo más tarde.');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     \Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return \Redirect::away($redirect_url);
     }
     return \Redirect::route('home')->with('message', 'Ups! Error desconocido. Inténtalo de nuevo más tarde.');
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     //        $item_1 = new Item();
     //        $item_1->setName('Item 1') // item name
     //            ->setCurrency('PHP')
     //            ->setQuantity('1')
     //            ->setPrice('0.01'); // unit price
     $package1 = Input::get('packname');
     $amount1 = Input::get('amount');
     $item_1 = new Item();
     $item_1->setName($package1)->setCurrency('PHP')->setQuantity('1')->setPrice($amount1);
     // unit price
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems(array($item_1));
     $amount = new Amount();
     $amount->setCurrency('PHP')->setTotal($package1);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     //        try {
     //            $payment->create($this->_api_context);
     //        } catch (\PayPal\Exception\PPConnectionException $ex) {
     //
     //            if (\Config::get('app.debug')) {
     //                echo "Exception: " . $ex->getMessage() . PHP_EOL;
     //                $err_data = json_decode($ex->getData(), true);
     //                exit;
     //            } else {
     //                die('Some error occur, sorry for inconvenient');
     //            }
     //        }
     try {
         $payment->create($this->_api_context);
     } catch (PayPal\Exception\PayPalConnectionException $e) {
         echo $e->getData();
         // This will print a JSON which has specific details about the error.
         exit;
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect::route('original.route')->with('error', 'Unknown error occurred');
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $items = [];
     $num = 1;
     $total = 0;
     foreach (Auth::user()->cart as $item) {
         ${"item_" . $num} = new Item();
         ${"item_" . $num}->setName($item->product->name)->setCurrency('USD')->setQuantity($item->amount)->setPrice($item->product->price);
         $items[] = ${"item_" . $num};
         $num++;
         $total += $item->product->price * $item->amount;
     }
     if (Session::has('coupon')) {
         $discount = $total * Session::get('coupon.discount') / 100;
         $total = $total - $discount;
         ${"item_" . $num} = new Item();
         ${"item_" . $num}->setName('discount')->setCurrency('USD')->setQuantity(1)->setPrice(-$discount);
         $items[] = ${"item_" . $num};
     }
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems($items);
     $amount = new Amount();
     $amount->setCurrency('USD')->setTotal($total);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription(Auth::user()->email);
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(route('payment.status'))->setCancelUrl(route('home'));
     // ->setCancelUrl(route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             die('Some error occur, sorry for inconvenient');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect('/')->with('error', 'Unknown error occurred');
 }

 public function pay()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     //agregar items de base de datos
     $items = array();
     $subtotal = 0;
     $productos = DB::table('carrito')->Join('producto', 'carrito.ItemCode', '=', 'producto.ItemCode')->where('carrito.user_id', Auth::user()->id)->get();
     //dd(Auth::user()->id);
     $currency = 'MXN';
     foreach ($productos as $key => $p) {
         $pIva = $p->precio * 0.16;
         $precioIva = $p->precio + $pIva;
         $item = new Item();
         $item->setName($p->ItemName)->setCurrency($currency)->setDescription($p->tipo)->setQuantity($p->cantidad)->setPrice($precioIva);
         $items[$key] = $item;
         $subtotal += $p->cantidad * $precioIva;
     }
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems($items);
     $details = new Details();
     $details->setSubtotal($subtotal)->setShipping(100);
     $total = $subtotal + 100;
     $amount = new Amount();
     $amount->setCurrency($currency)->setTotal($total)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             return Redirect::route('carrito.failed');
             exit;
         } else {
             return Redirect::route('carrito.failed');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect::route('carrito.failed');
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $items = array();
     $subtotal = 0;
     $cart = \Session::get('cart');
     $currency = 'MXN';
     foreach ($cart as $producto) {
         $item = new Item();
         $item->setName($producto->name)->setCurrency($currency)->setDescription($producto->extract)->setQuantity($producto->quantity)->setPrice($producto->price);
         $items[] = $item;
         $subtotal += $producto->quantity * $producto->price;
     }
     $item_list = new ItemList();
     $item_list->setItems($items);
     //costo de envio de la compra
     $details = new Details();
     $details->setSubtotal($subtotal)->setShipping(100);
     //total de envio sumando el subtotal mas el envio
     $total = $subtotal + 100;
     $amount = new Amount();
     $amount->setCurrency($currency)->setTotal($total)->setDetails($details);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Pedido de prueba con laravel para La Central Mueblera');
     //la ruta  para direccionar si se cancela o se envia conrectamente el pedido
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(\URL::route('payment.status'))->setCancelUrl(\URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             die('Ups! Algo salió mal');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     \Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return \Redirect::away($redirect_url);
     }
     return \Redirect::route('cart-show')->with('error', 'Ups! Error desconocido.');
 }

 public function postPayment()
 {
     $name = 'Transaction';
     /*$mmnumber      = Input::get('number');
       $amounttosend     = Input::get('amount');
       $currency   = Input::get('currency');*/
     $mmnumber = Input::get('number');
     $amounttosend = Input::get('amount');
     $currency = Input::get('currency');
     $charges = new PlatformCharges($amounttosend, $currency);
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $item_1 = new Item();
     $item_1->setName('Transaction')->setCurrency('USD')->setQuantity(1)->setPrice((int) $charges->getDueAmountForPayPalToMobileMoney());
     // unit price
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems(array($item_1));
     $amount = new Amount();
     $amount->setCurrency('USD')->setTotal((int) $charges->getDueAmountForPayPalToMobileMoney());
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Send money To a Mobile Money User');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment-status'))->setCancelUrl(URL::route('payment-status'));
     $payment = new Payment();
     $payment->setIntent('sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             die('Some error occurred, sorry for inconvenient');
         }
     }
     foreach ($payment->getLinks() as $link) {
         if ($link->getRel() == 'approval_url') {
             $redirect_url = $link->getHref();
             break;
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return "Error!!!!";
     /*Redirect::route('original.route')
       ->with('error', 'Unknown error occurred'); */
 }

 public function postPayment()
 {
     $payer = new Payer();
     $payer->setPaymentMethod('paypal');
     $item_1 = new Item();
     $item_1->setName('Item 1')->setCurrency('USD')->setQuantity(2)->setPrice('150');
     // unit price
     $item_2 = new Item();
     $item_2->setName('Item 2')->setCurrency('USD')->setQuantity(4)->setPrice('70');
     $item_3 = new Item();
     $item_3->setName('Item 3')->setCurrency('USD')->setQuantity(1)->setPrice('20');
     // add item to list
     $item_list = new ItemList();
     $item_list->setItems(array($item_1, $item_2, $item_3));
     $amount = new Amount();
     $amount->setCurrency('USD')->setTotal(580);
     $transaction = new Transaction();
     $transaction->setAmount($amount)->setItemList($item_list)->setDescription('Your transaction description');
     $redirect_urls = new RedirectUrls();
     $redirect_urls->setReturnUrl(URL::route('payment.status'))->setCancelUrl(URL::route('payment.status'));
     $payment = new Payment();
     $payment->setIntent('Sale')->setPayer($payer)->setRedirectUrls($redirect_urls)->setTransactions(array($transaction));
     try {
         $payment->create($this->_api_context);
         //            echo'hello';
         //            print_r($test);die;
     } catch (\PayPal\Exception\PPConnectionException $ex) {
         if (\Config::get('app.debug')) {
             echo "Exception: " . $ex->getMessage() . PHP_EOL;
             $err_data = json_decode($ex->getData(), true);
             exit;
         } else {
             die('Some error occur, sorry for inconvenient');
         }
     }
     if (is_array($payment->getLinks()) || is_object($payment->getLinks())) {
         foreach ($payment->getLinks() as $link) {
             echo 'reached';
             if ($link->getRel() == 'approval_url') {
                 $redirect_url = $link->getHref();
                 break;
             }
         }
     }
     // add payment ID to session
     Session::put('paypal_payment_id', $payment->getId());
     dd(Session::all());
     if (isset($redirect_url)) {
         // redirect to paypal
         return Redirect::away($redirect_url);
     }
     return Redirect::route('original.route')->with('error', 'Unknown error occurred');
 }