Simple PHP Captcha with Math Operation

In this tutorial you will learn how to create a simple captcha code for contact forms using PHP and some math operations to increase the security of your html form and reduce spam emails from users or bots. Text Tutorial: http://html-tuts.com/?p=8895 ► Subscribe via E-mail: http://goo.gl/GAHXJt ► Visit Official Site for More Tutorials: http://html-tuts.com/ ------------------------------- Music used: September Sky by Per Kiilstofte https://machinimasound.com/music/sept... Licensed under Creative Commons Attribution 4.0 International (http://creativecommons.org/licenses/b...)