PHP for the Web: Visual QuickStart Guide, Fourth Edition

8. Creating Web Applications

In This Chapter

Creating Templates 184

Using External Files 192

Using Constants 197

Working with the Date and Time 201

Handling HTML Forms with PHP, Revisited 204

Making Forms Sticky 210

Sending Email 217

Output Buffering 222

Manipulating HTTP Headers 225

Review and Pursue 230

The book to this point has covered the fundamentals of programming with PHP; now it’s time to begin tying it all together into actual Web applications. In this chapter, you’ll learn a number of functions and techniques for making your Web sites more professional, more feature-rich, and easier to maintain.

First, you’ll learn how to use external files to break Web pages into individual pieces, allowing you to separate the logic from the presentation. ...