(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
apache_response_headers — Fetch all HTTP response headers
Fetch all HTTP response headers. Works in the Apache, FastCGI, CLI, and FPM webservers.
This function has no parameters.
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 )