function list_wp_users_shortcode(){$users=get_users();$output='';foreach ($users as $user){$output .='ID: ' . $user->ID . '';$output .='Username: ' . $user->user_login . '';$output .='Email: ' . $user->user_email . '';$output .='Role: ' . implode(', ',$user->roles) . ''}return $output}add_shortcode('list_users','list_wp_users_shortcode');