How to combine PayPal Smart Payment Button with REST API SDK for PHP V2?

Question

My problems start after I have included the default code ( https://developer.paypal.com/demo/checkout/#/pattern/server ) and changed it as follows:在我包含默认代码（ https://developer.paypal.com/demo/checkout/#/pattern/server ）并将其更改如下之后，我的问题就开始了：

<?php

session_start();
require_once '../inc/config.inc.php';

echo '
<!DOCTYPE html>

<head>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
</head>

<body>

<div id="paypal-button-container"></div>

<script src="https://www.paypal.com/sdk/js?client-id=' . PAYPAL_CLIENT_ID . '&currency=EUR&disable-funding=credit,card"></script>
';
?>

<script>
    // Render the PayPal button into #paypal-button-container
    paypal.Buttons({
        // Call your server to set up the transaction
        createOrder: function(data, actions) {
            return fetch('01_payPalCheckout.php', {
                mode: "no-cors",
                method: 'post',
                headers: {
                    'content-type': 'application/json'
                }
            }).then(function(res) {
                return res.json();
            }).then(function(orderData) {
                return orderData.id;
            });
        },

        // Call your server to finalize the transaction
        onApprove: function(data, actions) {
            return fetch('01_checkout.php?orderId=' + data.orderID, {
                method: 'post'
            }).then(function(res) {
                return res.json();
            }).then(function(orderData) {
                var errorDetail = Array.isArray(orderData.details) && orderData.details[0];

                if (errorDetail && errorDetail.issue === 'INSTRUMENT_DECLINED') {
                    // Recoverable state, see: "Handle Funding Failures"
                    // https://developer.paypal.com/docs/checkout/integration-features/funding-failure/
                    return actions.restart();
                }

                if (errorDetail) {
                    var msg = 'Sorry, your transaction could not be processed.';
                    if (errorDetail.description) msg += '\n\n' + errorDetail.description;
                    if (orderData.debug_id) msg += ' (' + orderData.debug_id + ')';
                    // Show a failure message
                    return alert(msg);
                }

                // Show a success message to the buyer
                alert('Transaction completed by ' + orderData.payer.name.given_name);
            });
        }


    }).render('#paypal-button-container');
</script>

<?php

echo '
</body>
</html>
';

?>

In createOrder I call 01_payPalCheckout.php, which is structured as specified in the PHP SDK:在 createOrder 中，我调用了 01_payPalCheckout.php，其结构如 PHP SDK 中指定的那样：

<?php

use PayPalCheckoutSdk\Orders\OrdersCreateRequest;

session_start();
require_once '../inc/config.inc.php';

# 1: Environment, Client
$environment = new SandboxEnvironment(PAYPAL_CLIENT_ID, PAYPAL_SECRET);
$client = new PayPalHttpClient($environment);


# 2: Request Order
$request = new OrdersCreateRequest();
$request->prefer('return=representation');
$request->body = [
    "intent" => "CAPTURE",
    "purchase_units" => [[
        "reference_id" => "test_ref_id1",
        "amount" => [
            "value" => "100.00",
            "currency_code" => "USD"
        ]
    ]],
    "application_context" => [
        "cancel_url" => "https://example.com/cancel",
        "return_url" => "https://example.com/return"
    ]
];

try {

    // Call API with your client and get a response for your call
    $response = $client->execute($request);

    // JSON-Encodierung
    $response = json_encode($response);

    // If call returns body in response, you can get the deserialized version from the result attribute of the response
    return $response;

} catch (HttpException $ex) {

    echo $ex->statusCode;
    print_r($ex->getMessage());
    exit();

}

I added json_encode() before returning $response;我在返回 $response; 之前添加了 json_encode() the resulting JSON-code is the following code:生成的 JSON 代码是以下代码：

{
    "statusCode": 201,
    "result": {
        "id": "4H218056YS3363904",
        "intent": "CAPTURE",
        "status": "CREATED",
        "purchase_units": [
            {
                "reference_id": "test_ref_id1",
                "amount": {
                    "currency_code": "USD",
                    "value": "100.00"
                },
                "payee": {
                    "email_address": "info-facilitator@24960324320.de",
                    "merchant_id": "BYWLB3T6SPG54"
                }
            }
        ],
        "create_time": "2020-08-10T08:33:40Z",
        "links": [
            {
                "href": "https:\/\/api.sandbox.paypal.com\/v2\/checkout\/orders\/4H218056YS3363904",
                "rel": "self",
                "method": "GET"
            },
            {
                "href": "https:\/\/www.sandbox.paypal.com\/checkoutnow?token=4H218056YS3363904",
                "rel": "approve",
                "method": "GET"
            },
            {
                "href": "https:\/\/api.sandbox.paypal.com\/v2\/checkout\/orders\/4H218056YS3363904",
                "rel": "update",
                "method": "PATCH"
            },
            {
                "href": "https:\/\/api.sandbox.paypal.com\/v2\/checkout\/orders\/4H218056YS3363904\/capture",
                "rel": "capture",
                "method": "POST"
            }
        ]
    },
    "headers": {
        "": "",
        "Cache-Control": "max-age=0, no-cache, no-store, must-revalidate",
        "Content-Length": "747",
        "Content-Type": "application\/json",
        "Date": "Mon, 10 Aug 2020 08",
        "Paypal-Debug-Id": "1b04a05438898"
    }
}

In onApprove I call "'01_payPalCapture.php?orderId=' + data.orderID" (here I also used the provided standard methods of https://github.com/paypal/Checkout-PHP-SDK :在 onApprove 中，我调用“'01_payPalCapture.php?orderId=' + data.orderID”（这里我还使用了https://github.com/paypal/Checkout-PHP-SDK提供的标准方法：

<?php

// Session starten
session_start();

use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;

// Konfigurations-Datei einbinden
require_once '../inc/config.inc.php';


# 1: Environment, Client
$environment = new SandboxEnvironment(PAYPAL_CLIENT_ID, PAYPAL_SECRET);
$client = new PayPalHttpClient($environment);


# 2 Capture
$request = new OrdersCaptureRequest($_GET['orderId']);
$request->prefer('return=representation');

try {
    $response = $client->execute($request);
    $response = array('id' => $response->result->id);
    $response = json_encode($response);
    return $response;  // value of return: {"id":"2KY036458M157715J"}
}catch (HttpException $ex) {
    echo $ex->statusCode;
    print_r($ex->getMessage());
}

In 01_cart.php the Smart Buttons are rendered as desired, but a click on "PayPal" only results in error messages, eg update_client_config_error etc.在 01_cart.php 中，智能按钮会根据需要呈现，但单击“PayPal”只会导致错误消息，例如 update_client_config_error 等。

I think there is a problem understanding how the two scripts work together from my side.我认为从我这边理解这两个脚本如何协同工作存在问题。

Thanks in advance for hints and help (I've been working on this problem continuously for 4 days now, I've struggled through all the PayPal help and didn't find anything about this particular problem on the internet).提前感谢您的提示和帮助（我已经连续 4 天一直在解决这个问题，我一直在努力通过所有 PayPal 帮助，但在互联网上没有找到任何关于这个特定问题的信息）。

Answer 1

/httpdocs/01_payPalCheckout.php is a bad path /httpdocs/01_payPalCheckout.php是错误的路径

it needs to be one that can load in your web browser它必须是可以在您的 web 浏览器中加载的

Something that would work in an HTML href, like <a href="/01payPalCheckout.php"></a> for example可以在 HTML href 中使用的东西，例如<a href="/01payPalCheckout.php"></a>

Test loading 01payPalCheckout.php in your browser, make sure it is executing and returning the correct JSON, and then fix your client-side code to point to the correct path that will return that JSON when fetched在浏览器中测试加载 01payPalCheckout.php，确保它正在执行并返回正确的 JSON，然后修复客户端代码以指向正确的路径

How to combine PayPal Smart Payment Button with REST API SDK for PHP V2?

问题描述

1 个解决方案

解决方案1
0 2020-08-09 23:44:40

How to combine PayPal Smart Payment Button with REST API SDK for PHP V2?

问题描述

1 个解决方案

解决方案1 0 2020-08-09 23:44:40

解决方案1
0 2020-08-09 23:44:40