Free Image Verification Captcha Script In PHP

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

• 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