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Securimage PHP Captcha | Free Captcha Script

www.phpcaptcha.org/

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

GitHub - josecl/cool-php-captcha: This is the official GitHub project ...

github.com/josecl/cool-php-captcha

This is the official GitHub project from code.google.com/p/cool-php-captcha.

Protecting forms using a CAPTCHA < PHP | The Art of Web

www.the-art-of-web.com/php/captcha/

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

Captcha Code in PHP and jQuery | FormGet

www.formget.com/captcha-code-php-jquery/

Start implementing your own Captcha code using PHP, AJAX and jQuery. Its very simple to create and implement.

21 Free CAPTCHA Sources - Tympanus

tympanus.net/codrops/2009/09/22/21-free-captcha-sources/

Sep 22, 2009 ... Here is a collection of free CAPTCHA scripts and services than you can easily integrate into your website using PHP or JavaScript: 1.

PHP simple captcha script | Web Tools

99webtools.com/blog/php-simple-captcha-script/

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 - Runnable

runnable.com/U8qyb6SLvMZYNb4v/php-captcha-code-example-php-image-captcha-tutorial-

PHP captcha code example | PHP Image captcha tutorial Code Example - Runnable.

www.ask.com/youtube?q=Captcha PHP&v=CL9AitvjZKg
May 26, 2009 ... Download phpDesigner7 today at http://mpsoftware.dk for a free 21 day trial! Video tutorial explaining how to create a CAPTCHA system using ...

How to Create CAPTCHA Protection using PHP and AJAX

webcheatsheet.com/php/create_captcha_protection.php

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 ...

Free PHP CAPTCHA Scripts (thefreecountry.com)

www.thefreecountry.com/php/captcha.shtml

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 ...

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A Simple PHP CAPTCHA Script · A Beautiful Site

www.abeautifulsite.net

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 ...

Using reCAPTCHA with PHP | reCAPTCHA | Google Developers

developers.google.com

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.

Sample PHP Implementation - The Captcha image

captchas.net

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 ...