MySQL::Error PHP Méthode

    public function Error()
    {
        $error = $this->error_desc;
        if (empty($error)) {
            if ($this->error_number != 0) {
                $error = "Unknown Error (#" . $this->error_number . ")";
            } else {
                $error = false;
            }
        } else {
            if ($this->error_number > 0) {
                $error .= " (#" . $this->error_number . ")";
            }
        }
        return $error;
    }

 function __construct($connect = true, $database = null, $server = null, $username = null, $password = null, $charset = "utf8", $port = null)
 {
     parent::__construct($connect, $database, $server, $username, $password, $charset, $port);
     if (parent::Error()) {
         parent::Kill();
     }
     $this->ErrorMsgs = array();
 }