<?php
class Banco
{
    private $dsn;
    private $usuario;
    private $senha;

    public function setDsn($d)
    {
        $this->dsn = $d;
        return $this;
    }

    public function getDsn()
    {
        return $this->dsn;
    }

    public function setUsuario($u)
    {
        $this->user = $u;
        return $this;
    }

    public function getUsuario()
    {
        return $this->usuario;
    }

    public function setSenha($s)
    {
        $this->senha = $s;
        return $this;
    }

    public function getSenha()
    {
        return $this->senha;
    }

    public function novaConexao()
    {
        $user = $this->getUsuario();
        $pass = $this->getSenha();
        return new Pdo($this->getDsn(), $user, $pass);
    }
}