Chapter 9. Working with Forms
Until now, the PHP examples in this book have been missing a crucial dimension. Sure, you know the basics, can set variables and arrays, create and call functions, and work with strings. But that's all meaningless if users can't reach into a language's environment to offer it information. In this chapter, you look at strategies for acquiring and working with user input. On the World Wide Web, HTML forms are the principal means by which substantial amounts of information pass from the user to the server.
In this chapter, you will learn
How to access information from form fields
How to work with form elements that allow multiple selections
How to create a single document that contains both an HTML form and the PHP code ...
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