CAPTCHA - Completely Automated Public Turing test to tell Computers & Human Apart. Captcha is used as a image recognition tool to get rid of spammers and robot(bot). Only the human can do these image recognition and robots cant recognise them. So this type of human authentication becomes necessary for form submission pages. This free utility Captcha Image verification code can be used to create a random captcha image on every reload of the page. The pictures are created by using the combination
You can check whether the user is human or robot by using the captcha (Completely Automated Public Turing test to tell Computers & Human Apart) picture authentication tool.Click on below link to view the validation form.
To view the random picture created just reload the page and you can see the different picture created below.
<?php include "./HCIC/Cap_Img.php"; ?>