PHP 5 Power Programming

5.3. User Input

Now that you know how to embed PHP code, you probably want to program some kind of user-specified action. For instance, the book webshop needs a login and registration system that requires user action, so we will implement this system as an example. This system requires an HTML form and a place to store the data collected by the form. Because this chapter does not deal with storing data in a database, only an API function is provided when data needs to be stored. After reading some of the later chapters, you will be able to fill these in yourself.

We require four things from the user when he or she registers for the shop: email address, first name, last name, and requested password. The HTML code for a form to collect this information ...