getallheaders

(PHP 4, PHP 5, PHP 7, PHP 8)

getallheaders全てのHTTPリクエストヘッダを取得する

説明

getallheaders(): array

すべての HTTP ヘッダを現在のリクエストから取得します。

この関数は、 apache_request_headers()のエイリアスです。 この関数は、カレントのリクエストにおける全てのHTTPヘッダーを有する 連想配列を返します。この関数の動作に関する詳細については、 apache_request_headers()のドキュメントを参照して ください。

パラメータ

この関数にはパラメータはありません。

戻り値

全てのHTTPリクエストヘッダの連想配列、もしくは失敗時に false を返します。

変更履歴

バージョン 説明
7.3.0 FPM SAPI でもこの関数が使えるようになりました。

例1 getallheaders() の例

<?php

foreach (getallheaders() as $name => $value) {
echo
"$name: $value\n";
}

?>

参考

add a note

User Contributed Notes 9 notes

up
141
joyview at gmail dot com
14 years ago
it could be useful if you using nginx instead of apache

<?php
if (!function_exists('getallheaders'))
{
    function
getallheaders()
    {
          
$headers = [];
       foreach (
$_SERVER as $name => $value)
       {
           if (
substr($name, 0, 5) == 'HTTP_')
           {
              
$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
           }
       }
       return
$headers;
    }
}
?>
up
13
michaelmcandrew at thirdsectordesign dot org
2 years ago
A simple approach to dealing with case insenstive headers (as per RFC2616) is via the built in array_change_key_case() function:

$headers = array_change_key_case(getallheaders(), CASE_LOWER);
up
31
lorro at lorro dot hu
17 years ago
Beware that RFC2616 (HTTP/1.1) defines header fields as case-insensitive entities. Therefore, array keys of getallheaders() should be converted first to lower- or uppercase and processed such.
up
37
Anonymous
6 years ago
There's a polyfill for this that can be downloaded or installed via composer:

https://github.com/ralouphie/getallheaders
up
4
acidfilez at gmail dot com
11 years ago
dont forget to add the content_type and content_lenght if your are uploading file:

<?php
 
function emu_getallheaders() {
        foreach (
$_SERVER as $name => $value)
       {
           if (
substr($name, 0, 5) == 'HTTP_')
           {
              
$name = str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))));
              
$headers[$name] = $value;
           } else if (
$name == "CONTENT_TYPE") {
              
$headers["Content-Type"] = $value;
           } else if (
$name == "CONTENT_LENGTH") {
              
$headers["Content-Length"] = $value;
           }
       }
       return
$headers;
    }
?>

chears magno c. heck
up
3
majksner at gmail dot com
12 years ago
apache_request_headers replicement for nginx

<?php
if (!function_exists('apache_request_headers')) {
        function
apache_request_headers() {
            foreach(
$_SERVER as $key=>$value) {
                if (
substr($key,0,5)=="HTTP_") {
                   
$key=str_replace(" ","-",ucwords(strtolower(str_replace("_"," ",substr($key,5)))));
                   
$out[$key]=$value;
                }else{
                   
$out[$key]=$value;
        }
            }
            return
$out;
        }
}
?>
up
0
divinity76 at gmail dot com
8 days ago
warning, at least on php-fpm 8.2.1 and nginx,  getallheaders() will return "Content-Length" and "Content-Type" both containing emptystring, even for requests without any of these 2 headers. you can do something like

<?php
$request_headers
= getallheaders();
if((
$request_headers["Content-Type"] ?? null) === "" && ($request_headers["Content-Length"] ?? null) === "") {
   
// probably a getallheaders() bug, not actual request headers.
   
unset($request_headers["Content-Type"], $request_headers["Content-Length"]);
}
?>

- might be a bug in nginx rather than php-fpm, i don't know. anyway a real request wouldn't leave them at emptystring
up
-1
Dimitri
7 months ago
retrieve token from header:

<?php
function getAuthorizationHeader(){
   
$headers = null;
    if (isset(
$_SERVER['Authorization'])) {
       
$headers = trim($_SERVER["Authorization"]);
    }
    elseif (isset(
$_SERVER['HTTP_AUTHORIZATION'])) {
       
$headers = trim($_SERVER["HTTP_AUTHORIZATION"]);
    }
    elseif (
function_exists('apache_request_headers')) {
       
$requestHeaders = apache_request_headers();
       
$requestHeaders = array_combine(array_map('ucwords', array_keys($requestHeaders)), array_values($requestHeaders));

        if (isset(
$requestHeaders['Authorization'])) {
           
$headers = trim($requestHeaders['Authorization']);
        }
    }

    return
$headers;
}

function
getBearerToken() {
   
$headers = getAuthorizationHeader();

    if (!empty(
$headers)) {
        if (
preg_match('/Bearer\s(\S+)/', $headers, $matches)) {
            return
$matches[1];
        }
    }

    return
null;
}

echo
getBearerToken();
?>
up
-10
andersmyren at hotmail dot com
3 years ago
Due to the else part.
}else{
                    $out[$key]=$value;
All server Variables are added to the headers list, and that's not the desired outcome.
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