DRBImageVerification is a simple anti-spam image verification, or CAPTCHA, script. It allows you to add a challenge-response test to your existing PHP powered forms to prevent automated spam postings.
Features
Features
- Quick and easy to install.
- Verification string length and character list are configurable.
- Requires a session cookie, for additional obscurity.
- Includes an example PHP page demonstrating how to add a verification image to a form.
Download Image Verification Script
