Edward is a Web Developer for Yahoo! Europe and a Zend Certified Engineer based in London, UK. When not online he enjoys traveling, running and walking. Visit Edward online at www.ejeliot.com.
Protect your online forms from automated attacks using a security image: users must correctly enter the characters shown in the image before the form can be submitted. Edward shows how to create security images dynamically using PHP, then implements the solution in an online form. And he provides all code in full!