Introduction This tutorial will show you how to generate captcha image using Codeigniter Captcha Helper and store captcha characters into database. We have seen how to generate and use captcha in CodeIgniter earlier. The CAPTCHA Helper file contains functions that assist in creating CAPTCHA images.

Introduction This tutorial will show you how to generate captcha image using Codeigniter Captcha Helper. We will also see how to use captcha using CodeIgniter framework. Captcha helps to prevent automatic submission of forms on the web pages. Captcha would not have been there then some users would have filled your site with spams. Here we will build a simple…