(PHP 4 >= 4.3.0, PHP 5)
apache_response_headers — Fetch all HTTP response headers
Fetch all HTTP response headers.
An array of all Apache response headers on success or FALSE on failure.
Example #1 apache_response_headers() example
<?php
print_r(apache_response_headers());
?>
The above example will output something similar to:
Array ( [Accept-Ranges] => bytes [X-Powered-By] => PHP/4.3.8 )
Note:
As of PHP 4.3.3 you can use this function with the NSAPI server module in Netscape/iPlanet/SunONE webservers, too.