事务更新期间Paypal PHP SDK HTTP错误

Question

我正在为一个朋友开发一个电子商务网站，并在执行付款之前更新贝宝的发货金额，我得到以下错误。当我调用Patch,PatchRequest,然后尝试执行支付时,会出现此错误。以下是全部代码：

if (Input::get('action', 'get') === "getDetails") { //Check to see if the action parameter is set to getDetails

      $payment = \PayPal\Api\Payment::get(Input::get('paymentId', 'get'), $paypalAPI);

      $payerInfo = $payment->getPayer()->payer_info;
      if (!empty($payment)){
        $quantity = 0;
        foreach ($payment->transactions[0]->item_list->items as $item) {
          $quantity += $item->quantity;
        }
        if ($quantity <= 20) {
          $parcelType = "MediumFlatRateBox";
        } else if ($quantity > 20) {
          $parcelType = "LargeFlatRateBox";
        }
        $shipment = \EasyPost\Shipment::create([
          'from_address' => \EasyPost\Address::retrieve(Config::get('easypost/addressObjectID')),
          'to_address' => [
            'name' => $payerInfo->shipping_address->recipient_name,
            'street1'=> $payerInfo->shipping_address->line1,
            'street2' => (isset($payerInfo->shipping_address->line2)) ? $payerInfo->shipping_address->line2 : null,
            'city' =>$payerInfo->shipping_address->city,
            'state' => $payerInfo->shipping_address->state,
            'country' => $payerInfo->shipping_address->country_code,
            'zip' => $payerInfo->shipping_address->postal_code,
            'email' => $payerInfo->email
          ],
          'parcel' => [
            'predefined_package' => $parcelType,
            'weight' => 520
          ]
        ]);
        //Grab the lowest shipping rate
        $shippingRate = $shipment->lowest_rate()->rate;
        //Make a call to PayPal updating our transaction with the tax and shipping rate
        $amount = $payment->transactions[0]->amount;
        $transactionUpdate = new \PayPal\Api\Patch();
        $transactionUpdate    ->setOp('replace')
                              ->setPath('transactions/0/amount')
                              ->setValue(json_decode('{
                                "total": "'.$amount->total.'",
                                "currency":"USD",
                                "detail": {
                                  "subtotal": "'.$amount->details->subtotal.'",
                                  "shipping":"'.$shippingRate.'"
                                }
                              }'));


        //Instantiate a new instance of PayPal's Patch Request Class and Update the Transaction with the tax and shipping rate
        $updateRequest = new \PayPal\Api\PatchRequest();
        $updateRequest->setPatches(
          [$transactionUpdate]
        );
        //Attempt Update

        $result = $payment->update($updateRequest, $paypalAPI);

        if ($result) {
          $transID = generateTransactionID();
          $fields = [
            'dateCreated' => strtotime($payment->create_time),
            'transID' => $transID,
            'paymentID' => $payment->id,
            'shipmentID' => $shipment->id
          ];
          $db->insert('transactionLog', $fields);
          Redirect::to('shoppingCartFinalize.php?transID='.$transID);
          exit();
        } else {
          Alert::set([
            'header' => "Uh Oh....Something Went Wrong",
            'message' => "Unable to update transaction. Transaction Cancelled. Please try again.",
            'type' => 'danger',
            'close' => 1
          ]);
          Redirect::to('shoppingCartView.php');
          exit();
        }
      }

以下是我在调用过程中得到的错误：

Answer 1

请参考这个答案我认为你必须尝试-捕获你的代码来确定错误，问候。