Auth_OpenID_AX_KeyValueMessage::getSingle PHP Méthode

    function getSingle($type_uri, $default = null)
    {
        $values = Auth_OpenID::arrayGet($this->data, $type_uri);
        if (!$values) {
            return $default;
        } else {
            if (count($values) == 1) {
                return $values[0];
            } else {
                return new Auth_OpenID_AX_Error(sprintf('More than one value present for %s', $type_uri));
            }
        }
    }