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Home : Ajax : Tips and Tutorials : CAPTCHA validation using PHP and Ajax
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Description: CAPTCHA has become a popular means of securing forms against automated submission, by requiring users to enter a string displayed in an automatically generated image. This implementation uses Ajax to conveniently combine CAPTCHA into normal pre-submission form verification. You'll need PHP to be installed with the GD image library (most PHP implementations will have this as standard).

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Date Added:24/02/2007
Last Updated:24/02/2007

Average Visitor Rating: 5 (out of 5)
Number of Ratings: 1 Votes

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