Page 575 - Beginning PHP 5.3

Chapter 17: Generating Images with PHP

Exercises
Here are some exercises to help you practice some of the techniques that you learned in this chapter. You
can also extend these exercises to apply to real - world examples. You ’ ll find solutions to the exercises in
Appendix A.
1. Create a PHP script that opens an image file, adds a one - pixel black border to the image, and
outputs the resulting image to the browser.
2. Using the disk_total_space() and disk_free_space() functions, show how much disk
space you have used on your Web server ’ s hard drive in a graphical way.

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