Esempio n. 1
0
        //method 'gets' how much total of all items with tax
        $afterTax = $this->getTaxAmount() + $this->getCostBeforeTax();
        return $afterTax;
    }
}
class Item
{
    // creates item class
    public $name;
    public $price;
    public function __construct($name, $price)
    {
        // construct allows to set name and price for each item
        $this->name = $name;
        $this->price = $price;
    }
}
$cart = new ShoppingCart();
$cart->addItem(new Item('Cheap Book', 2.99));
$cart->addItem(new Item('Expensive Book', 24.99));
$cart->addItem(new Item('Movie', 12.99));
$cart->addItem(new Item('Video Game', 59.99));
echo "<p>Total cost before tax: \${$cart->getCostBeforeTax()}</p>";
echo "<p>Tax amount: \${$cart->getTaxAmount()}</p>";
echo "<p>Total cost after tax: \${$cart->getCostAfterTax()}</p>";
?>

</p>

</body>
</html>
Esempio n. 2
0
class DVD extends Item {
    public $tax = .05;
}

class VideoGame extends Item {
    public $tax = .1;
   
}

    
    
    $cart = new ShoppingCart();
    $cart->addItem(new Book('Cheap Book', 2.99));
    $cart->addItem(new Book('Expensive Book', 24.99));
    $cart->addItem(new DVD('Movie', 12.99));
    $cart->addItem(new VideoGame('Video Game', 59.99));

    $beforeTax = number_format($cart->getCostBeforeTax(), 2);
    $taxAmount = number_format($cart->getTaxAmount(), 2);
    $afterTax = number_format($cart->getCostAfterTax(), 2);

    echo "<p>Total cost before tax: \$$beforeTax</p>";
    echo "<p>Tax amount: \$$taxAmount</p>";
    echo "<p>Total cost after tax: \$$afterTax</p>";

    ?>

</p>

</body>
</html>