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()
    {
        $this->DB_con = new PDO("mysql:host={$this->DB_host};dbname={$this->DB_name}", $this->DB_user, $this->DB_pass);
        $this->DB_con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    }