Captcha Code in PHP and jQuery

CAPTCHA abbreviation of “Completely Automated Public Turning test to tell Computers and Human Apart” As the full form suggests, it is a kind of test which makes difference among human beings and computers for security purpose.

This blog post demonstrate you, how to implement your own simple CAPTCHA protection using PHP and AJAX technologies in forms.

Form Validation Using Ajax

AJAX (Asynchronous JavaScript and XML) is the art of exchanging data with a server, and updating parts of a web page – without reloading the whole page. Therefore, Ajax makes web page quick responsive.

We have already explained about form validation using different technologies. Now, the same can be done by using Ajax, In this blog post we will tell you how it can be done.