class DbConnection
{
    var $hostname = "";
    var $username = "";
    var $password = "";
    var $dbname = "";
    var $dbtype = "";
    var $conn = "";

    function __construct($dbConnParams)
    {
        $this->$hostname = $dbConnParams['host'];
        $this->$username = $dbConnParams['user'];
        $this->$password = $dbConnParams['pass'];
        $this->$dbname = $dbConnParams['dbname'];
        $this->$dbtype = $dbConnParams['dbtype'];
    }

    function connect()
    {
       $this->$conn = mysql_connect($hostname, $username, $password);
       mysql_select_db($database, $conn);
    }

    function disconnect()
    {
        mysql_close($this->$conn);
    }
}