<?php

class BankAcount
{
    //ako stavimo protected ili private moci cemo da prikazemo promenljivu balance preko metoda.
    private $balance = 20;

    //ako stavimo protected ili private ne mozemo da pozovemo method DisplayBalance();
    public function DisplayBalance()
    {
        return $this->balance;

    }
}

$alex = new BankAcount;

echo $alex->DisplayBalance();


?>