在发送请求之前/不发送请求之前检查由 PHP SoapClient 调用创建的 XML

2021-12-24 00:00:00 xml php soap-client soap

问题:有没有办法在您实际发送请求之前查看使用 PHP SoapClient 函数调用创建的 XML?

The question: Is there a way to view the XML that would be created with a PHP SoapClient function call BEFORE you actually send the request?

背景:

我是 WSDL 通信的新手，我有一个客户希望我用 PHP 进行开发，这是一种与用 ASP.NET 编写的 WSDL 服务进行通信的方式.我已经走得很远了，但是在传递复杂类型时遇到了问题.到目前为止，我已经尝试了几种不同的方法.

I am new to WSDL communication, and I have a client who wants me to develop in PHP, a way to communicate with a WSDL service written in ASP.NET. I have gotten pretty far, but am running into an issue when it comes to passing a complex type. I have tried a couple of different things so far.

1) 设置单个数组如$params->Person->name $params->Person->address

1) Setting up a single array such as $params->Person->name $params->Person->address

2) 设置单个数组 $Person = array('name'=>"joe",'address' = "123");

然后作为参数"Person" => $Person;和其他一些人.但是每次我收到错误

then passing into the call as a param "Person" => $Person; and a few others. But every time I get the error

SoapException:服务器无法处理请求 ---> System.Exception:人是必需的.在服务名称.

SoapException: Server was unable to process request ---> System.Exception: Person is Required. at service name.

为了进一步排除故障，我想查看正在发送的 XML 文档，以查看它是否按照我期望的方式创建了复杂类型.我正在使用 $client = new SoapClient('wsdldoc.asmx?WSDL'); 创建服务，使用 $client->CreateUser($params); 和然后尝试使用 $client->__getLastRequest(); 函数查看它，但它永远不会进入 __getLastRequest，因为它在调用 CreateUser($params) 时遇到了致命错误.

In order to further the troubleshooting, I would like to see the XML document that is being sent to see if it is creating a complex type in the way I am expecting it to. I am creating the service using $client = new SoapClient('wsdldoc.asmx?WSDL'); calling it with $client->CreateUser($params); and then trying to see it using the function $client->__getLastRequest(); but it never makes it to the __getLastRequest because it hits a fatal error when calling CreateUser($params).

再次提问:有什么方法可以查看由 CreateUser($params) 调用创建的 XML 而不实际发送它并导致致命错误

The question again: Is there any way to view the XML created by the CreateUser($params) call WITHOUT actually sending it and causing a fatal error

推荐答案

前言:为了使用__getLastRequest() 方法成功，您必须在客户端构建时将 'trace' 选项设置为 true:

Upfront remark: In order to use the __getLastRequest() method successfully, you have to set the 'trace' option to true on client construction:

$client = new SoapClient('wsdldoc.asmx?WSDL', array('trace' => TRUE));

这样，您的请求仍将被发送(因此仍然失败)，但您可以通过调用$client->之后检查发送的xml;__getLastRequest().

This way, your request will still be sent (and therefore still fail), but you can inspect the sent xml afterwards by calling $client->__getLastRequest().

主要答案:

要在发送请求之前/不访问生成的 XML，您需要子类化 SoapClient 以覆盖 __doRequest() 方法:

To get access to the generated XML before/without sending the request, you'd need to subclass the SoapClient in order to override the __doRequest() method:

class SoapClientDebug extends SoapClient
{
  public function __doRequest($request, $location, $action, $version, $one_way = 0) {
      // Add code to inspect/dissect/debug/adjust the XML given in $request here

      // Uncomment the following line, if you actually want to do the request
      // return parent::__doRequest($request, $location, $action, $version, $one_way);
  }
}

然后，您将在调试问题时使用此扩展类而不是原始 SoapClient.

You'd then use this extended class instead of the original SoapClient while debugging your problem.

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