function cn_listar_autor_postagens_atividade($cn_username)
{
    include(ABSPATH . "wp-includes/wp-db.php");
    $wpdb = new wpdb('-', '-', '-', '-');

    $cn_userid = username_exists($cn_username);
    if(!$cn_userid)
    {
        return false;
    }
    else
    {
        $cn_query = $wpdb->get_results("SELECT action, content FROM wp_bp_activity WHERE user_id = '$cn_userid'");
        foreach($cn_query as $cn_key => $cn_values)
        {
            echo $cn_values->action . '<br />';
            echo $cn_values->content . '<br />';
        }

    }
}