Ajax Bible

In This Chapter

• Creating functions

• Passing data to functions

• Creating default arguments

• Creating variable-length argument lists

• Returning data from functions

• Returning multiple items from a function

• Working with text fields, checkboxes, and radio buttons

• Handling multiple-selection HTML controls

• Uploading files

This chapter continues your guided tour of PHP with handling PHP functions and HTML controls. PHP functions are just as important in PHP as in JavaScript, but there’s some added power in PHP compared to JavaScript. And working with HTML controls is the whole main point of using server-side scripting for many developers. You’re going to see both in this chapter.