PHP: Site registration and confirmation with a Validation code Image Support

In the second part of this series on building a registration and confirmation suite in PHP, Allan builds a testing script so that you can test the pages without being logged on or using a SMTP server, and builds a Validation Code Image display and checker, similar to the one illustrated, so that you can be sure that it's a real person registering, and not an automated script.

Please note that this article forms part of a chapter in the DMXzone e-book PHP Web Applications for Dreamweaver: Juicy Solutions for the Busy Developer.