Chapter 11. Working with Forms

In this chapter, you learn the following:

• 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 that handles its submission

• How to save state with hidden fields

• How to redirect the user to a new page

• How to build HTML forms and PHP code that send mail

• How to build HTML forms that upload files and write the PHP code to handle the uploads

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 cannot interact ...

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