class DB
{

    private $DB_host = "stc885.csesalford.com";
    private $DB_user = "stc885";
    private $DB_pass = "iv9bBshl2";
    private $DB_name = "stc885";
    private $DB_con;
    private static $instance = null;

    private function __construct()
    {
        //try {
            $this->DB_con = new PDO("mysql:host={$this->DB_host};dbname={$this->DB_name}", $this->DB_user, $this->DB_pass);
            $this->DB_con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        //} catch (PDOException $e) {
        //    echo $e->getMessage();
        //}

    }

    // The object is created from within the class itself
    // only if the class has no instance.
    public static function getInstance()
    {
        if (self::$instance == null)
        {
            self::$instance = new DB();
        }

        return self::$instance;
    }

    public function getConnection()
    {
        return $this->DB_con;
    }