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How to Create CAPTCHA Protection using PHP and AJAX

in PHP added by goodphptutorials, on 3/12/2006 AJAX advanced tutorials ajax captcha captcha

CAPTCHA is a simple test to determine if a user is a computer or a human. It is used to prevent spam abuse on the websites. The goal of this tutorial is to demonstrate how to make your own simple CAPTCHA protection using PHP and AJAX technologies.

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