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A free open-source PHP CAPTCHA script for generating complex CAPTCHA images and audio files. Easy to integrate and customize.


Presenting a simple PHP script for generating a CAPTCHA and using it to block spammers from submitting your online forms.


Jan 16, 2011 ... This is one of the easiest CAPTCHA scripts you will ever use. While it doesn't obscure the text, it will serve its purpose well for many people ...


Mar 12, 2013 ... A CAPTCHA is a type of challenge-response test used in website as an attempt to ensure that the response is generated by a human being.


A simple PHP CAPTCHA script. Contribute to simple-php-captcha development by creating an account on GitHub.


If you want to use the PHP library to display ... or the CAPTCHA may not show on some ...


We are providing a PHP module to simplify the task of writing a web application using captchas.net. It is named CaptchasDotNet.php. To use it, simply copy it to ...


The goal of this tutorial is to demonstrate how to make your own simple CAPTCHA protection using PHP and AJAX technologies. This tutorial is very simple, but ...


This is simple and powerful CAPTCHA script, using this script I'm going to generate a random number and then creates an image. If the user submits the form.


Mar 5, 2014 ... Mehul Jain explains how captchas work and demonstrates their implementation with PHP and the GD image library.