PHP - Manual: apache_response_headers

2024-11-13

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apache_response_headers

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

apache_response_headers — 获得全部 HTTP 响应头信息

说明

apache_response_headers(): array|false

获得全部 HTTP 响应头信息。可在 Apache、FastCGI、CLI、FPM 模式下运行。

参数

此函数没有参数。

返回值

成功时返回包含全部 Apache 响应头信息的数组，或者在失败时返回 false.

范例

示例 #1 apache_response_headers() 示例


<?php
print_r(apache_response_headers());
?>

以上例程的输出类似于：

Array
(
    [Accept-Ranges] => bytes
    [X-Powered-By] => PHP/4.3.8
)

参见

apache_request_headers() - 获取全部 HTTP 请求头信息
headers_sent() - 检测 HTTP 头是否已经发送
headers_list() - 返回已发送的 HTTP 响应头（或准备发送的）

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User Contributed Notes 7 notes

down

Isaac Z dot Schlueter i at foohack dot com ¶

13 years ago


This function doesn't exist on lighttpd, so I wrote this little function to emulate it:

<?php

if (!function_exists('apache_response_headers')) {
    function apache_response_headers () {
        $arh = array();
        $headers = headers_list();
        foreach ($headers as $header) {
            $header = explode(":", $header);
            $arh[array_shift($header)] = trim(implode(":", $header));
        }
        return $arh;
    }
}

?>

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php at mailplus dot pl ¶

11 years ago


I get  "Call to undefined function apache_response_headers()" when using php-cli so be aware of lack of this function CLI.
In my case I was trying to test my app via phpunit (command line tool of course ;)) if it sends proper headers.

down

orange ¶

16 years ago


If apache_response_headers() returns an empty array, try calling flush() before and it'll get filled.

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Daniel Lorch ¶

15 years ago


I can confirm athlet's experience with apache_response_headers() using PHP 5.1.6. When the resulting array is empty or only contains "X-Powered-By" instead of the full list of values, you'll need to switch off output_buffering _before_ the script has been executed, for example with the following directive in .htaccess:

php_value "output_buffering" "0"

it _doesn't_ work when you do a you ini_set('output_buffering', 0); in your script. Not sure why that is so - it is not a bug in PHP, but probably has to do with how Apache populates the request values.

down

-1

athlet ¶

16 years ago


For apache_response_headers() working good, you need to set  up output_buffering = Off in php.ini

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-1

Daniel Lorch ¶

15 years ago


Addendum: The code

<pre>
<?php
  print_r(apache_request_headers());
?>
</pre>

gives me

 Array
 (
    [X-Powered-By] => PHP/5.1.6
 )

But the code
<pre>
<?php
  ob_end_flush();
  print_r(apache_request_headers());
?>
</pre>

Results in

 Array
 (
    [Content-Location] => phpinfo.de.php
    [Vary] => negotiate
    [TCN] => choice
    [X-Powered-By] => PHP/5.1.6
    [Keep-Alive] => timeout=15, max=96
    [Connection] => Keep-Alive
    [Transfer-Encoding] => chunked
    [Content-Type] => text/html
    [Content-Language] => de
 )

down

-12

Anonymous ¶

5 years ago


call it after the you send the output to get all the headers

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官方地址：https://www.php.net/manual/en/function.apache-response-headers.php

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apache_response_headers

说明

参数

返回值

范例

参见

User Contributed Notes 7 notes