PHP $http_response_header

Introduction

The superglobal $http_response_header array is populated by HTTP response headers as is the case with get_headers() functions. This array is created in local space of PHP

$http_response_header

Example

<?php
file_get_contents("http://localhost");
$arr=$http_response_header;
foreach ($arr as $key=>$val)
echo "<p>$key=>$val </p>";
?>

Output

Browser will display result similar to following

0=>HTTP/1.1 302 Found
1=>Date: Tue, 08 Sep 2020 14:49:24 GMT
2=>Server: Apache/2.4.41 (Win64) OpenSSL/1.0.2s PHP/7.1.32
3=>X-Powered-By: PHP/7.1.32
4=>Location: http://localhost/dashboard/
5=>Content-Length: 0
6=>Connection: close
7=>Content-Type: text/html; charset=UTF-8
8=>HTTP/1.1 200 OK
9=>Date: Tue, 08 Sep 2020 14:49:24 GMT
10=>Server: Apache/2.4.41 (Win64) OpenSSL/1.0.2s PHP/7.1.32
11=>Last-Modified: Mon, 02 Sep 2019 15:45:31 GMT
12=>ETag: "1d99-59193dc9c3cc0"
13=>Accept-Ranges: bytes
14=>Content-Length: 7577
15=>Connection: close
16=>Content-Type: text/html