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.
A simple PHP CAPTCHA script. Contribute to simple-php-captcha development
by creating an account on GitHub.
May 2, 2016 ... The reCAPTCHA PHP Library provides a simple way to place a CAPTCHA on
your PHP website, helping you stop bots from abusing it.
PHP Module. Have you read our HowTo? We are providing a PHP module to
simplify the task of writing a web application using captchas.net. It is named ...
My knowledge of php is not good and I need help. I have this php form ... Check
out recaptcha ... I really like Securimage is seems to work really ...
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.
Mar 5, 2014 ... Mehul Jain explains how captchas work and demonstrates their implementation
with PHP and the GD image library.
Mar 14, 2011 ... In addition, we have the CAPTCHA image. The <img> tag for the CAPTCHA
image points to the script captcha_code_file.php. The PHP script in ...
Sep 22, 2009 ... Here is a collection of free CAPTCHA scripts and services than you can easily