Question

所以经过大量的搜索，我终于能够使用PHP cURL成功获得我的Paypal访问令牌。现在我尝试根据事务ID检索事务详细信息。到目前为止，我认为我已经将呼叫URL更正，但我认为我的帖子数据格式可能不正确。使用的代码如下：

<?php

//this function is for handling post call requests
function make_post_call($url, $postdata) {
    global $token;
    $curl = curl_init($url); 
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
    curl_setopt($curl, CURLOPT_SSLVERSION , 6);
    curl_setopt($curl, CURLOPT_HEADER, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_HTTPHEADER, array(
                'Authorization: Bearer '.$token,
                'Accept: application/json',
                'Content-Type: application/json'
                ));

    curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata); 
    $response = curl_exec( $curl );
    print_r($response); //IM NOW RECEIVING OUTPUT, however symbols are now being replaced by placeholders such as '%40', how can i prevent this?
    if (empty($response)) {
        die(curl_error($curl)); //close due to error
        curl_close($curl); 
    } else {
        $info = curl_getinfo($curl);
        echo "Time took: " . $info['total_time']*1000 . "ms\n";
        curl_close($curl); // close cURL handler
        if($info['http_code'] != 200 && $info['http_code'] != 201 ) {
            echo "Received error: " . $info['http_code']. "\n";
            echo "Raw response:".$response."\n";
            die();
        }
    }
    // Convert the result from JSON format to a PHP array 
    $jsonResponse = json_decode($response, TRUE);
    return $jsonResponse;
}

$token = get_access_token($url,$postArgs); //works and returns a valid access token

//This is the URL for the call
$url = 'https://api-3t.sandbox.paypal.com/nvp';

//This is the data to be sent in the call 
$postdata = array(
'USER' => 'peoplesroewrwwsg_api1.outlook.com', 
'PWD' => 'KR2TVKHGDSHSNDJ6E2', 
'SIGNATURE' => 'AFcWxV21C7fdFHSGGSDGD51G0BJYUWOCSyjUAKPPGs', 
'METHOD' => 'GetTransactionDetails', 
'VERSION' => '123', 
'TransactionID' => '1RE953245246192109'
);

$postdata = http_build_query($postdata); 
//$postdata = json_encode($postdata); //Is this the correct way of formatting? 

$transactionInfo = make_post_call($url, $postdata); //get transaction details NOT WORKING

print_r($transactionInfo); //does not print anything
?>

我没有收到任何cURL错误，所以我认为问题是数据即时发送或我如何格式化它。

关于如何执行此操作的breif Paypal指南可在此处找到 - ＆gt; https://developer.paypal.com/docs/classic/express-checkout/gs_transaction/#tryit 但它是用cURL而不是PHP cURL扩展编写的，所以我不确定我是否正确发送数据。

Paypal GetTransaction详细信息详情 - > https://developer.paypal.com/docs/classic/api/merchant/GetTransactionDetails_API_Operation_NVP/

非常感谢有关数据格式的任何指导或任何其他建议！

----------------------------------------------- ----------更新！-------------------------------------- ---------------------

现在，当我执行cURL语句后立即打印结果时，我会收到如下信息：

RECEIVERID=GN7SRQEGEREASDV9BQU&EMAIL=peoplesrobotiblabal%40outlook%2ecom&PAYERID=JC5RWUUKWGDFYJYY&PAYERSTATUS=verified&COUNTRYCODE=US&SHIPTONAME=Jane%20Smurf...

可以看出，某些符号（例如句点）正在被占位符替换，例如＆＃39;％40＆＃39;。可以确定这种情况吗？是因为我期待JSON的回应吗？

Answer 1

要从PHP数组构建http查询字符串，可以使用PHP http_build_query()。例如：

$array = ['username' => 'John', 'password' => '123456abc'];
$postdata = http_build_query($array);

您提到的符号是特殊字符的urlencoded形式。 Http请求将要求对urlencoded进行查询字符串。 %40是@的urlencoded格式。如果您将来需要对urlencoded字符串进行编码/解码，则可以使用rawurldecode()，rawurlencode()，urlencode()和urldecode()。

用于解析PAYPAL NVP API的响应。您可以使用parse_str()。例1：

$response = 'status=success&code=02';
parse_str($response, $response_array);
//$response_array will contain the $response as array

示例2：

$response = 'status=success&code=02';
parse_str($response);
//this will display success
echo $status;
//this will display 02
echo $code;

Answer 2

<?php
function get_transaction_details( $transaction_id ) { 
    $api_request = 'USER=' . urlencode( 'api_username' )
                .  '&PWD=' . urlencode( 'api_password' )
                .  '&SIGNATURE=' . urlencode( 'api_signature' )
                .  '&VERSION=76.0'
                .  '&METHOD=GetTransactionDetails'
                .  '&TransactionID=' . $transaction_id;

    $ch = curl_init();
    curl_setopt( $ch, CURLOPT_URL, 'https://api-3t.sandbox.paypal.com/nvp' ); // For live transactions, change to 'https://api-3t.paypal.com/nvp'
    curl_setopt( $ch, CURLOPT_VERBOSE, 1 );

    // Uncomment these to turn off server and peer verification
    // curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, FALSE );
    // curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, FALSE );
    curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
    curl_setopt( $ch, CURLOPT_POST, 1 );

    // Set the API parameters for this transaction
    curl_setopt( $ch, CURLOPT_POSTFIELDS, $api_request );

    // Request response from PayPal
    $response = curl_exec( $ch );
    // print_r($response);

    // If no response was received from PayPal there is no point parsing the response
    if( ! $response )
        die( 'Calling PayPal to change_subscription_status failed: ' . curl_error( $ch ) . '(' . curl_errno( $ch ) . ')' );

    curl_close( $ch );

    // An associative array is more usable than a parameter string
    parse_str( $response, $parsed_response );

    return $parsed_response;
}
$response = get_transaction_details('transaction_id');
echo "<pre>"; print_r($response);
?>

Answer 3

从cURL接收信息

$str = RECEIVERID=GN7SRQEGEREASDV9BQU&EMAIL=peoplesrobotiblabal%40outlook%2ecom&PAYERID=JC5RWUUKWGDFYJYY&PAYERSTATUS=verified&COUNTRYCODE=US&SHIPTONAME=Jane%20Smurf...

请使用parse_str("$str"); // add your value here, it will give you proper data format

更多详细信息：https://www.w3schools.com/php/func_string_parse_str.asp

Paypal通过PHP cURL

3 个答案: