This tutorial outlines the Captcha objective, how-to design and code your own security script, using PHP. Although considered by the masses to be a very complicated maneuver, protecting web pages, as well as internal elements of those pages, is actually quite simple. So, why are these Captcha and ReCaptcha solutions so complicated and difficult to use? The only honest response I can give you is: marketing. No matter what anyone tells you, at the end of the digital day, these beautifully designed,...