Simple PHP Captcha System

This PHP Script is a Simple PHP Captcha System. It helps you stop spam by asking the user to type a Verification Code. The Captcha Image is generated using the GD library of PHP. It generates an image with random characters of random colors and angles. This script is very easy to customize and to implement. It includes a validation function you can call to check if the Verification Code is the right one. This Captcha System is Simple, Secure and Effective! Captcha is the best way to avoid Spam!