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World Wide Web Server edited this page Jul 4, 2012
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Simple Captcha is the modified version of Drupal's captcha module. This library will generate a simple captcha image with the specified noise and distortion ratios. The reason for using Drupal's code base for this captcha library is because of its variety of font support, distortion and noise settings in the generated captcha image. AJAX based refresh for new set of words makes the library more attractive.
The combination of flexible architecture of CodeIgniter & Drupal's expertise in GD libraries will make this module an essential ingredients for the registration pages.