apache_request_headers
(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
Fetch all HTTP request headers
Description
Fetches all HTTP request headers from the current request. Works in the Apache, LiteSpeed, FastCGI, CLI, and FPM webservers.
Parameters Parameters
Return Values
An associative array of all the HTTP headers in the current request.
Changelog
| Version | Description |
|---|---|
| 7.3.0 | This function became available in the FPM SAPI. |
Examples
apache_request_headers() example
<?php
$headers = apache_request_headers();
foreach ($headers as $header => $value) {
echo "$header: $value <br />\n";
}
?>The above example will output something similar to:
Accept: */*
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0
Host: www.example.com
Connection: Keep-AliveNotes
You can also get at the value of the common CGI variables by reading them from the environment, which works whether or not you are using PHP as an Apache module. Use phpinfo() to see a list of all of the available environment variables.