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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.

A simple PHP CAPTCHA script. - GitHub

github.com/claviska/simple-php-captcha

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

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.

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 ...

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.

Sample PHP Implementation - The Captcha image

captchas.net/sample/php/

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 ...

Simple Captchas with PHP and GD - SitePoint

www.sitepoint.com/simple-captchas-php-gd/

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

HTML contact form with CAPTCHA | WebDesignPub

webdesignpub.com/html-contact-form-captcha/

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 ...

Captcha Code in PHP and jQuery | FormGet

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

This blog post demonstrate you, how to implement your own simple captcha using PHP, jQuery and AJAX in form. Description : Captcha is basically a random  ...

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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.

How do I add a CAPTCHA to my PHP form? - Stack Overflow

stackoverflow.com

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 ...