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Math Captcha image validation

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This tutorial will show you how to make a basic math CAPTCHA validtion form.
Product Details

With all the Captcha decoders these days, its impossible to build a solid Captcha image validator with a string. The solution? Have a captcha that asks simple math addition questions! Decoders are not very good at breaking these. This tutorial will show you how to make a basic math CAPTCHA validtion form. This requires that you have the GD library for PHP installed to work.

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Price
Free
Licence Type
Free
Views
7,131
Submitted on
20th February 2007
Last Updated
20th February 2007
Licence Type
GPL
License Price
USD 0

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