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89 lines
2.7 KiB
Text
89 lines
2.7 KiB
Text
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NAME:
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Securimage - A PHP class for creating and managing form CAPTCHA images
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VERSION: 2.0 BETA
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AUTHOR:
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Drew Phillips <drew@drew-phillips.com>
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DOWNLOAD:
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The latest version can always be
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found at http://www.phpcaptcha.org
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DOCUMENTATION:
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Online documentation of the class, methods, and variables can
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be found at http://www.phpcaptcha.org/Securimage_Docs/
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REQUIREMENTS:
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PHP 4.3.0
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GD 2.0
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FreeType (recommended, required for TTF support)
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SYNOPSIS:
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require_once 'securimage.php';
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$image = new Securimage();
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$image->show();
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// Code Validation
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$image = new Securimage();
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if ($image->check($_POST['code']) == true) {
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echo "Correct!";
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} else {
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echo "Sorry, wrong code.";
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}
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DESCRIPTION:
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What is Securimage?
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Securimage is a PHP class that is used to generate and validate CAPTCHA images.
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The classes uses an existing PHP session or creates its own if none is found to store the
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CAPTCHA code. Variables within the class are used to control the style and display of the image.
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The class supports TTF fonts and effects for strengthening the security of the image.
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If TTF support is not available, GD fonts can be used as well, but certain options such as
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transparent text and angled letters cannot be used.
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COPYRIGHT:
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Copyright (c) 2009 Drew Phillips. All rights reserved.
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This software is released under the GNU Lesser General Public License.
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-----------------------------------------------------------------------------
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Flash code created for Securimage by Douglas Walsh (www.douglaswalsh.net)
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Many thanks for releasing this to the project!
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------------------------------------------------------------------------------
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Portions of Securimage contain code from Han-Kwang Nienhuys' PHP captcha
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Han-Kwang Nienhuys' PHP captcha
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Copyright June 2007
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This copyright message and attribution must be preserved upon
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modification. Redistribution under other licenses is expressly allowed.
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Other licenses include GPL 2 or higher, BSD, and non-free licenses.
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The original, unrestricted version can be obtained from
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http://www.lagom.nl/linux/hkcaptcha/
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-------------------------------------------------------------------------------
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AHGBold.ttf (AlteHaasGroteskBold.ttf) font was created by Yann Le Coroller and is distributed as freeware
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Alte Haas Grotesk is a typeface that look like an helvetica printed in an old Muller-Brockmann Book.
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These fonts are freeware and can be distributed as long as they are
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together with this text file.
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I would appreciate very much to see what you have done with it anyway.
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yann le coroller
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www.yannlecoroller.com
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yann@lecoroller.com
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