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File: README.txt

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File: README.txt
Role: Documentation
Content type: text/plain
Description: Basic information
Class: SGCaptcha
CAPTCHA validation using geometric shapes
Author: By
Last change: Uploaded
Date: 8 years ago
Size: 977 bytes


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Simple geometric captcha for PHP

Version 1. 2014-06-07.
Author: Francisco del Aguila (,
Generate a captcha with geometric figures.


    Include the next line in your HTML/PHP webpage:
    <img src="{path}/sgcaptcha.php" alt="Captcha" />
    The captcha solution value is stored in $_SESSION['captcha']
    The key figure appears at right with no value.
    User must input digits inside the key figures. The result may be an empty string.

    See the 'example.php' file.
    You can change the colour schema and length of the key editing the file 'captcha.php'.


    Requires GD library enabled in PHP. 


    This software is published under the MIT license. (see
    This information must remain in all copies of this software.

    Version 1, 2014-06-07. First version.
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