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Posted by Oliver Grδtz on 10/14/07 23:50
iavian schrieb:
> <?php
>
> interface Pizza {
> public function getPrice();
> }
>
> class Margherita implements Pizza {
>
> private $cost = 4.50;
>
> public function getPrice(){
> return $this->cost;
> }
> }
>
> class withExtraTopping implements Pizza{
>
> private $cost = 0.50;
> private $pizza;
>
> public function __construct(Pizza $pizza){
> $this->pizza = $pizza;
> }
>
> public function getPrice(){
> return $this->cost + $this->pizza->getPrice();
> }
> }
>
> $pizza = new Margherita();
> $topping1 = new withExtraTopping($pizza);
> $total = $topping1->getPrice();
> print $total;
>
> ?>
>
> Need a couple of lines of code that would generate a margherita pizza
> with two extra toppings from the classes above, and print out the
> total cost of the pizza?
>
> But how to create a pizza with 2 toppings ??
>
$topping2 = new withExtraTopping($topping1);
$total = $topping2->getPrice();
print $total;
Where's the problem, it's a simple decorator example.
OLLi
--
Piper: "See what I mean? We have bigger naked breasts to worry about."
Phoebe: "Paige has her naked breasts to worry about. I've got yours."
[Charmed 702]
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