Exemplo n.º 1
0
        return 'Balance' . $this->balance;
        // same result when return 'balance'.$this->balance;
    }
    public function withdrawn($amount)
    {
        // displaybalance is method
        if ($this->balance < $amount) {
            echo 'not enough money';
            // HERE U CAN ALSO USE THROWING EXCEPTIONS
        } else {
            $this->balance = $this->balance - $amount;
            // same result when return 'balance'.$this->balance;
        }
    }
    public function Deposit($amount)
    {
        $this->balance = $this->balance + $amount;
    }
}
class SavingAccount extends BankAccount
{
}
$piyush = new BankAccount();
$piyush->Deposit(100);
$piyush->Withdrawn(20);
$piyush_saving = new SavingAccount();
$piyush_saving->Deposit(300);
echo $piyush->DisplayBalance() . '<br>';
echo $piyush_saving->DisplayBalance();
?>