Aula 8

<?php


    abstract class Banco{
        protected $saldo;
        protected $limiteSaque;
        protected $juros;

        abstract protected function Sacar($s);
        abstract protected function Depositar($d);

        public function setSaldo($s){
            $this->saldo = $s;
        }

        public function getSaldo(){
            return $this->saldo;
        }


    }

    class Itau extends Banco{

        public function Sacar($s){
            $this->saldo -= $s;
            echo "<hr>Sacou: R$".$s."<br>";
        }

        public function Depositar($d){
            $this->saldo += $d;
            echo "<hr>Depositou: R$". $d."<br>";
        }

    }


    $itau = new Itau;
    $itau->setSaldo(1000);
    echo "<hr> Saldo R$:".$itau->getSaldo();
    $itau->Sacar(200);
    $itau->Depositar(500);
    echo '<hr> Saldo: R$'.$itau->getSaldo()."<hr>";