PHP is not only a html generation script, but also an excellent image generation script. You can create, manipulate, merge images and do various complex operations as you do in an image editing software, by merely writing a piece of code in PHP.  PHP comes with Graphics Draw ( GD ) library which is what does the magic with images.

CAPTCHA ( Completely Automated Public Turing test to tell Computers and Humans Apart )

Every day captcha images are becoming harder and harder, sometimes we have to spend few minutes to read them. Do not worry we are just going to generate a simple captcha image and this article is to introduce you to PHP GD library. First the code…