16. CGIs and Data Gathering
IN THIS CHAPTER
• The fundamentals of the Common Gateway Interface, including the languages you can use and why you’d use them
• How scripts work, how data is passed to a script, and how the script replies to the user’s browser
• Finding and using scripts on the Web, or writing your own
In Chapter 15, “Adding HTML Forms,” you got an in-depth look at creating and formatting HTML forms. In this chapter, you’ll see the other side of HTML forms—gathering the data and reporting back to the user. This is accomplished using scripts, small programs that are stored on the Web server computer. Form data is sent to these scripts, as specified in the action attribute to the <form> element. Once the script receives the form data ...
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