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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.

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 ...

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 ...

The Official CAPTCHA Site

www.captcha.net/

CAPTCHA: Telling Humans and Computers Apart Automatically .... In general, making your own CAPTCHA script (e.g., using PHP, Perl or .Net) is a bad idea, ...

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.

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.

PHP captcha code example - Runnable

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

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

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

stackoverflow.com/questions/2179375/how-do-i-add-a-captcha-to-my-php-form

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 ...

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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

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

PHP simple captcha script | Web Tools

99webtools.com

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.