$cookies_to_forward = UBUtil::array_select_by_key($_COOKIE, array('ubvs', 'ubpv', 'ubvt'));
        $cookie_string = UBHTTP::cookie_string_from_array($cookies_to_forward);
        $req_headers = $referer == null ? array('Host: ' . $domain) : array('Referer: ' . $referer, 'Host: ' . $domain);
        // Make sure we don't get cached by Wordpress hosts like WPEngine
        header('Cache-Control: max-age=0; private');
        list($success, $message) = UBHTTP::stream_request($http_method, $raw_url, $cookie_string, $req_headers, $user_agent);
        if ($success === false) {
            update_option(UBConfig::UB_PROXY_ERROR_MESSAGE_KEY, $message);
        }
        $end = microtime(true);
        $time_taken = ($end - $start) * 1000;
        UBLogger::debug_var('time_taken', $time_taken);
        UBLogger::debug("proxying for {$current_url} done successfuly -- took {$time_taken} ms");
        exit(0);
    }
}, UBConfig::int_min());
add_action('admin_init', function () {
    UBUtil::clear_flash();
    # Disable incompatible scripts
    # WPML
    wp_dequeue_script('installer-admin');
    # Enqueue our own scripts
    # Main page
    wp_enqueue_script('ub-rx', plugins_url('js/rx.lite.compat.min.js', __FILE__));
    wp_enqueue_script('set-unbounce-domains-js', plugins_url('js/set-unbounce-domains.js', __FILE__), array('jquery', 'ub-rx'));
    wp_enqueue_script('unbounce-page-js', plugins_url('js/unbounce-page.js', __FILE__), array('jquery'));
    # Diagnostics page
    wp_enqueue_script('ub-clipboard-js', plugins_url('js/clipboard.min.js', __FILE__));
    wp_enqueue_script('unbounce-diagnostics-js', plugins_url('js/unbounce-diagnostics.js', __FILE__), array('jquery', 'ub-clipboard-js'));
    # Re-enable incompatible scripts
    # WPML