WPCOM_JSON_API_Endpoint::is_current_site_multi_user PHP Method

    function is_current_site_multi_user()
    {
        $users = wp_cache_get('site_user_count', 'WPCOM_JSON_API_Endpoint');
        if (false === $users) {
            $user_query = new WP_User_Query(array('blog_id' => get_current_blog_id(), 'fields' => 'ID'));
            $users = (int) $user_query->get_total();
            wp_cache_set('site_user_count', $users, 'WPCOM_JSON_API_Endpoint', DAY_IN_SECONDS);
        }
        return $users > 1;
    }