XF2 Addons Custom HTTP Client headers 1.0.0 Alpha

Allows add/set custom headers to all HTTP requests from XenForo via src/config.php.

<?php

// database options ...
// additional options for caching (for example), proxying all HTTP requests and another...

$config['http']['headers'] = [
// Prefers russian language; if not present - then english or any another language
// More details: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept-Language
'Accept-Language' => 'ru, en;q=0.9, *:q=0.5'
];