<?php
class MySQL
{
    private $con;
    public function __contruct($host="Default",$username="Default",$password="Default")
    {
    if($host == "Default" && $username == "Default" && $password == "Default")
    {
        include("config.php");
    }
    $this->con = mysql_connect($host,$username,$password);
    }
    public function chooseDB($db)
    {
    mysql_select_db($db, $this->con);
    }
    public function query($query)
    {
    return mysql_query("SELECT * FROM Persons");
    }
    public function __destruct()
    {
    mysql_close($this->con);
    }
}
?>