CAPTCHA validation using PHP and Ajax

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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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    Rated 3.95 out of 5 (19 ratings)
  • 1 Member Reviews
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  • Price: Free

Listing Details

Filed in:
Scripts / Ajax / Tutorials, Training & Tips
Submitted on:
Last Updated:
Feb 11, 2009 
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License & Pricing Information

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$0.00 USD
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Average Member Rating: 3.95/5

Displaying 1-1 out of 1 reviews

  • This is the first Ajax-enabled PHP script I've tried for CAPTCHA validation. It works! I'm very grateful to the author. Really!!! Thanks. Keep up the good work.

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