LiteXiv/settings/save.php

<?php
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
	http_response_code(301);
	header('Location: ./');
	die;
}

require_once __DIR__ . '/../include/user_settings.php';
load_settings($_POST);
foreach ($settings as $k => $v) {
	setcookie($k, $v, time() + 60 * 60 * 24 * 365, '/');
}
header('Location: ' . $_POST['from']);