PHP Connection Class

<?php
class Connection{

    private $dbhost;
    private $dbname;
    private $dbuser;
    private $dbpass;
    private $conn;
    private $result;

    function __construct(){
        $this->dbhost = 'localhost';
        $this->dbname = '_database';
        $this->dbuser = '_admin';
        $this->dbpass = 'rawrMyGameDevBitches'; //not really
        print( DEBUG ? "" : "Connection object initalised\n<br />\n");
    }

    function connect(){

        $this->conn = mysql_connect($this->dbhost, $this->dbuser, $this->dbpass) or die('Could not connect to MySQL server.');
        print( DEBUG ? "" : "MySQL connection successful\n<br />\n");

        mysql_select_db($this->dbname, $this->conn) or die('Could not select database.');
        print( DEBUG ? "" : "MySQL database ($this->dbname) selected \n<br />\n");

    }

    function runQuery($query){
        if ($query == "") {
            die("You need to provide a query.");
        }
        $this->result = mysql_query($query, $this->conn);
    }

    function getResult(){
        print(DEBUG ? "" : "Results of query: $this->result");
        return $this->result;
    }

    function freeResult(){
        print(DEBUG ? "" : "Freeing result");
        mysql_free_result($this->result);
    }

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

?>