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PHP

Fetch all HTTP request headers


apache_request_headers

(PHP 4 >= 4.3.0, PHP 5)

apache_request_headersFetch all HTTP request headers

Description

array apache_request_headers ( void )

Fetches all HTTP request headers from the current request.

Return Values

An associative array of all the HTTP headers in the current request, or FALSE on failure.

Changelog

Version Description
5.4.0 This function became available under FastCGI. Previously, it was supported only when PHP was installed as an Apache module.
4.3.3

As of PHP 4.3.3 you can use this function with the NSAPI server module in Netscape/iPlanet/SunONE webservers, too.

Examples

Example #1 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-Alive 

Notes

Note:

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.

See Also



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