PHP curl获取标头参数 [英] PHP curl get header parameters

问题描述

我正在使用curl与PHP来获取API调用的标头响应.

I'm using curl with PHP for getting the header response of an API call.

这是我的代码:

$curl = curl_init();

curl_setopt($curl, CURLOPT_URL,            'http://localapi.com/v1/users');
curl_setopt($curl, CURLOPT_HEADER,         true);
curl_setopt($curl, CURLOPT_NOBODY,         true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT,        10);
curl_setopt($curl, CURLOPT_HTTPHEADER,     array("authorization: Basic dmt5MVVTeXg3ZXpKYXVEZGtta2phZThfQ0tXa2tTQkY6"));
$response = curl_exec($curl);

$ response 返回标头:

HTTP/1.1 200 OK日期:2016年6月15日，星期三13:48:43 GMT服务器:Apache/2.4.18(Unix)PHP/5.5.31 X-Powered-By:PHP/5.5.31X-Rate-Limit-Limit:1 X-Rate-Limit-Remaining:0 X-Rate-Limit-Reset:0X分页总数:1 X分页总数:1X-Pagination-当前页:1 X-Pagination-每页:20链接:;rel = self内容类型:application/json;charset = UTF-8 1

HTTP/1.1 200 OK Date: Wed, 15 Jun 2016 13:48:43 GMT Server: Apache/2.4.18 (Unix) PHP/5.5.31 X-Powered-By: PHP/5.5.31 X-Rate-Limit-Limit: 1 X-Rate-Limit-Remaining: 0 X-Rate-Limit-Reset: 0 X-Pagination-Total-Count: 1 X-Pagination-Page-Count: 1 X-Pagination-Current-Page: 1 X-Pagination-Per-Page: 20 Link: ; rel=self Content-Type: application/json; charset=UTF-8 1

是否有一种访问单个标头变量(如数组)的方法?

Is there a method for access to the single header variables like an array?

预先感谢您的帮助.

推荐答案

您可以使用

You can assign a callback for Curl to process the headers in the response using CURLOPT_HEADERFUNCTION. By providing the $headers variable for the callback to assign the results, you can access them as an array after curl_exec has finished.

$headers = [];

curl_setopt($curl, CURLOPT_HEADERFUNCTION, function ($ch, $header) use (&$headers) {
    $matches = array();

    if ( preg_match('/^([^:]+)\s*:\s*([^\x0D\x0A]*)\x0D?\x0A?$/', $header, $matches) )
    {
        $headers[$matches[1]][] = $matches[2];
    }

    return strlen($header);
});

curl_exec($curl);

$ headers 现在将包含响应头的关联数组

$headers will now contain an associative array of the response headers

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