class isdu
    {
        private $host = "localhost";
        private $user = "root";
        private $pass = "";
        private $db   = "laboratory";

        function __construct()
        {

            $this->link = mysql_connect("$this->host","$this->user","$this->pass") or die (mysql_error());
            $this->select = mysql_select_db($this->db,  $this->link) or die (mysql_error());

            if (!$this->link)
            {
                echo "neprisijungta";
            }
        }

        function __destruct()
        {
            mysql_close($this->link);

            if (!$this->link)
            {
                echo "neprisijungta";
            }
        }
    }