A free open-source PHP CAPTCHA script for generating complex CAPTCHA
images and audio files. Easy to integrate and customize.
This is the official GitHub project from code.google.com/p/cool-php-captcha.
Presenting a simple PHP script for generating a CAPTCHA and using it to block
spammers from submitting your online forms.
Start implementing your own Captcha code using PHP, AJAX and jQuery. Its very
simple to create and implement.
Sep 22, 2009 ... Here is a collection of free CAPTCHA scripts and services than you can easily
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.
PHP captcha code example | PHP Image captcha tutorial Code Example -
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Video tutorial explaining how to create a CAPTCHA system using ...
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 ...
Reviews of free PHP scripts that let you integrate a CAPTCHA image into your
web forms, where visitors have to enter a series of letters and numbers to prove ...