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Updated: 05/02/2007

Captcha ZDR

This is simple, complete and powerfull captcha tool written in PHP for protecting your web FORMS from spammers. &"Captcha ZDR&" offers several methods of captcha protection, string protection, calculation protection (sum and deduction), noise in image, string symbols are hard for reading from spamer machines. 8 unique backgrounds for captcha image.
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