php 如何使用 curl 正确发送和接收 XML？

How to properly send and receive XML using curl?

提问by bukowski

I've been trying to post XML and get response from the server but with no luck.

我一直在尝试发布 XML 并从服务器获得响应，但没有运气。

Here are the conditions on server side:

以下是服务器端的条件：

• Requests to the server should be sent as XML over HTTP 1.1.

• 对服务器的请求应作为 XML 通过 HTTP 1.1 发送。

The following requirements apply to the HTTP request:

以下要求适用于 HTTP 请求：

• The request type should be POST;
• A Content-Lengthheader should be present, and the total length of the request should be below 16KB;
• A Content-Typeheader should be present, containing the media type value text/xml;

• 请求类型应该是POST；
• Content-Length应该有一个header，请求的总长度应该在16KB以下；
• 甲Content-Type头应该存在，包含媒体类型值text/xml;

Here is my script:

这是我的脚本：

$url = "http://somedomain.com";
$xml = '<?xml version="1.0" encoding="UTF-8"?>
<Request PartnerID="asasdsadsa" Type="TrackSearch"> <TrackSearch> <Title>love</Title>    <Tags> <MainGenre>Blues</MainGenre> </Tags> <Page Number="1" Size="20"/> </TrackSearch> </Request>';
$header  = "POST HTTP/1.1 \r\n";
$header .= "Content-type: text/xml \r\n";
$header .= "Content-length: ".strlen($xml)." \r\n";
$header .= "Connection: close \r\n\r\n"; 
$header .= $xml;
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $header);
$data = curl_exec($ch); 
echo $data;
if(curl_errno($ch))
    print curl_error($ch);
else
    curl_close($ch);

This gives me:

这给了我：

 HTTP Error 400. The request URL is invalid.
 Bad Request - Invalid URL

回答by James

Does this help?

这有帮助吗？

<?php
$url = "http://stackoverflow.com";
$xml = '<?xml version="1.0" encoding="UTF-8"?><Request PartnerID="asasdsadsa" Type="TrackSearch"> <TrackSearch> <Title>love</Title>    <Tags> <MainGenre>Blues</MainGenre> </Tags> <Page Number="1" Size="20"/> </TrackSearch> </Request>';

$headers = array(
    "Content-type: text/xml",
    "Content-length: " . strlen($xml),
    "Connection: close",
);

$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$data = curl_exec($ch); 
echo $data;
if(curl_errno($ch))
    print curl_error($ch);
else
    curl_close($ch);
?>

回答by Michael Mior

From the documentation.

从文档中。

CURLOPT_CUSTOMREQUEST

A custom request method to use instead of "GET" or "HEAD" when doing a HTTP request. This is useful for doing "DELETE" or other, more obscure HTTP requests. Valid values are things like "GET", "POST", "CONNECT" and so on; i.e. Do not enter a whole HTTP request line here. For instance, entering "GET /index.html HTTP/1.0\r\n\r\n" would be incorrect.

CURLOPT_CUSTOMREQUEST

执行 HTTP 请求时使用的自定义请求方法，而不是“GET”或“HEAD”。这对于执行“删除”或其他更模糊的 HTTP 请求很有用。有效值是“GET”、“POST”、“CONNECT”等；即不要在此处输入整个 HTTP 请求行。例如，输入“GET /index.html HTTP/1.0\r\n\r\n”将是不正确的。

The parameter for CURLOPT_CUSTOMREQUESTshould be simply POSTand you can use CURLOPT_HTTPHEADERto set headers.

for 的参数CURLOPT_CUSTOMREQUEST应该很简单POST，您可以使用它CURLOPT_HTTPHEADER来设置标题。