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Posts Tagged ‘captcha script for elgg’

PHP Captcha Security Images

Posted on: May 30th, 2009 by Raez Mon 1 Comment

Have you ever wondered about what are captchas and what are their uses? This script generates images (known as “Captcha’s”) which contain security codes used for protecting a form from spam bots. By encoding a “password” inside an image and asking the user to re-enter what they see you can verify the user is a […]