wpmudev-defender-2auth-custom-roles.php

<?php
/**
 * Plugin Name: [Defender] Load Roles From All Child Sites
 * Plugin URI: https://premium.wpmudev.org/
 * Description: If the current url is from "advanced tools" configuration page and the site is multisite, this plugin load all roles from the multisite network. In this way, we make it possible to configure 2-factor authentication for any role present on any of the sites of the entire network.
 * Author: Glauber Silva @ WPMUDEV
 * Author URI: https://premium.wpmudev.org/
 * Task: 0/11289012348292/1168965543535336
 * License: GPLv2 or later
 *
 * @package Defender_Load_Roles_From_All_Child_Sites
 */

defined( 'ABSPATH' ) || exit;

/**
 * Filters the list of editable roles.
 *
 * @since 2.8.0
 *
 * @param array[] $all_roles Array of arrays containing role information.
 */
function wpmudev_get_roles_from_all_sites( $all_roles ) {
	if ( is_multisite() && isset( $_GET['page'] ) && 'wdf-advanced-tools' === $_GET['page'] ) { //phpcs:ignore
		$sites = get_sites();
		if ( ! empty( $sites ) ) {
			foreach ( $sites as $site ) {
				switch_to_blog( $site->blog_id );
				$roles_current_site = wp_roles()->roles;
				$all_roles          = array_merge( $all_roles, $roles_current_site );
				restore_current_blog();
			}
		}
	}

	return $all_roles;
}
add_filter( 'editable_roles', 'wpmudev_get_roles_from_all_sites' );