我如何获得响应头文件？ [英] How can I get the response headers?

问题描述

我目前正在使用PHP CLI连接到远程主机并发送一些标题。我的脚本然后等待响应。我可以将它全部打印出来，但它会返回HTML。我只想要标题。我怎样才能做到这一点？

I'm currently connecting to a remote host in PHP CLI and sending some headers. My script then waits for the response. I can have it all print out, but then it returns the HTML. I only want the headers. How can I do this?

推荐答案

接收HTTP响应的格式与发送请求基本相同：正文由两个CRLF（ \r\\\
\r\\\
）分隔。

The format for receiving a HTTP response is basically the same as for sending a request: headers and body are separated with two CRLF (\r\n\r\n).

$parts = explode("\r\n\r\n", $http_response);
$headers = array_shift($parts);
$body = implode("\r\n\r\n", $parts);

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