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Updated: 04/26/2007

Captcha ZDR - powerfull captcha tool

This is simple, complete and powerfull captcha tool written in PHP for protecting your web FORMS from spammers.Under GPL. A good solution for this is to use an random code that is generated by a script the code will be displayed as an image so only a person could read the image and type the number. &"Captcha ZDR&" offers several methods of captcha protection, different fonts, string protection, calculation protection (sum and deduction), noise in image, string symbols are hard for reading from spamer machines. * 8 unique backgronds for captcha image. * Easy to install in your web pages. * No DataBase required. * Hard Protection $_SESSION[''captcha''] variable contain RIGHT result from CAPTCHA image. You can use example.php and example_submit.php for more information.
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