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.
Here are some key features of "DRBImageVerification":
· 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.
Requirements:
· PHP 4.4 or higher
· GD library
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