本文整理汇总了PHP中ShoppingCart::getTaxAmount方法的典型用法代码示例。如果您正苦于以下问题：PHP ShoppingCart::getTaxAmount方法的具体用法？PHP ShoppingCart::getTaxAmount怎么用？PHP ShoppingCart::getTaxAmount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ShoppingCart的用法示例。
在下文中一共展示了ShoppingCart::getTaxAmount方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: __construct
//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>示例2: ShoppingCart
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>