function wpfp_get_user_meta($user = "")
{
    if (!empty($user)) {
        $userdata = get_user_by('login', $user);
        $user_id = $userdata->ID;
        return get_user_meta($user_id, WPFP_META_KEY, true);
    } else {
        return get_user_meta(wpfp_get_user_id(), WPFP_META_KEY, true);
    }
}
function wpfp_get_user_meta($user = "")
{
    if (!empty($user)) {
        $userdata = get_user_by('login', $user);
        $user_id = $_SESSION['client_id'];
        $fullQuestionnaireTree = get_user_meta($user_id, WPFP_META_KEY, true);
        $something = array();
        getQuestionsWithAsnwers($fullQuestionnaireTree, $something);
        return $something;
    } else {
        $fullQuestionnaireTree = get_user_meta(wpfp_get_user_id(), WPFP_META_KEY, true);
        $something = array();
        getQuestionsWithAsnwers($fullQuestionnaireTree, $something);
        return $something;
    }
}