PHP for the Web: Visual QuickStart Guide, Fifth Edition

7. Using Arrays

In This Chapter

What Is an Array?

Creating an Array

Adding Items to an Array

Accessing Array Elements

Creating Multidimensional Arrays

Sorting Arrays

Transforming Between Strings and Arrays

Creating an Array from a Form

Review and Pursue

The next—and last—variable type you’ll learn about in this book is the array. Arrays are significantly different from numbers or strings, and you can’t make the most of programming in PHP without understanding them.

Because of their unique nature, this chapter will cover arrays more deliberately and slowly than the other variable types. The chapter begins with an introduction to the concept, along with the basics of creating and using arrays. Then it covers multidimensional arrays and some of ...