<?php
class SPDO extends PDO
{
    private static $instance = null;
    private static $dbhost="localhost";
    private static $dbname="dbname";
    private static $dbuser="user";
    private static $dbpass="pass";


    public function __construct()
    {
        $config = Config::singleton();
        parent::__construct("mysql:host=".$config->get('dbhost').";dbname=".$config->get('dbname'), $config->get('dbuser'), $config->get('dbpass'));
    }

    public static function singleton()
    {
        if( self::$instance == null )
        {
            self::$instance = new self();
        }
        return self::$instance;
    }
}
?>