PHP uses only & by default, and that will break
XHTML validation. The configuration affects only links that PHP will generate, and
not the ones we code. So, we still have to use & in the links we make.
Thankfully, the trick worked. And Luigi is back to normal after we did this fix!
Chapter 3
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Handling Authentication can be Tricky
Managing sessions and cookies while working with mobile web browsers
can be tricky. As a matter of fact, consistently managing authentication
across different browsers has been very difficult for many people. We
have covered this section in detail to make you aware of the issues you
may face while building your own applications. We recommend testing
across simulators and real devices to ensure that authentication works as
expected in your applications.
Taking Orders
The core functionality of our system is to select pizzas and side dishes for an order.
The first step is to select the number of pizzas to order. Next is to customize each
pizza for size, crust, and toppings. We then let the user select side dishes and
beverages. Next is to take the delivery address and confirm the order.
Take a look at the following figure.
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