Free! - Prevent robots from submitting forms

Have you ever seen a form where you need to type the word or numbers in an image to submit the form? Webmasters do this to prevent automated robots from submitting forms. This prevents spamming (i.e. blogs), theft of services (i.e. whois reports), and aids in security (i.e. login forms)

Here are "realworld" examples of how you can use this tutorial:

This tutorial uses the VeriWord PHP class  (by Huda M Elmatsani) .