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<?php | |
class Deposit | |
{ | |
protected float $account = 0; | |
public function __construct(float $sum) | |
{ | |
if ($sum < 0) { | |
throw new Exception('Сумма вклада не может быть меньше нуля'); | |
} | |
$this->account += $sum; | |
} | |
} | |
class VipDeposit extends Deposit | |
{ | |
public function getMoney(float $sum) | |
{ | |
$this->account -= $sum; | |
} | |
} |
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