PHP for the Web: Visual QuickStart Guide, Fourth Edition

2. Variables

In This Chapter

What Are Variables? 32

Variable Syntax 36

Types of Variables 38

Variable Values 41

Understanding Quotation Marks 45

Review and Pursue 48

In the previous chapter, you learned how to use PHP to send simple text and HTML to a Web browser—in other words, something for which you don’t need PHP at all! Don’t worry, though; this book will teach you how to use print in conjunction with other PHP features to do great and useful things with your Web site.

To make the leap from creating simple, static pages to dynamic Web applications and interactive Web sites, you need variables. Understanding what variables are, the types that a language supports, and how to use them is critical.

This chapter discusses the fundamentals ...