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A CAPTCHA (Completely Automated Public Turing to tell Computers from Humans Apart) is a program that can generate and grade tests that:
- Most humans can pass.
- Current computer programs cannot pass.
For example, humans can read distorted text but current computer programs cannot.
==[ Foreword ]==
This version is completely redesigned with a fancy new look of CAPTCHA.
In order to simplify the the usage, I also redisgned the interface.
The newest Version can be found at .
==[ Requirements ]==
- PHP >= 4.0.1
- TTF support
- Some fonts
==[ Fonts ]==
Before you can start using this class, you need some fonts.
You can either get the font-package  or some other fonts .
When you got one or more fonts, just put them into the
font directory and they will be used randomly.
==[ Usage ]==
It's realy easy to use this class.
Generatin a CAPTCHA:
$captcha = new captcha();
To geht the string shown in the CAPTCHA use this:
$CaptchaString = $captcha->GetCaptchaString();
See example.php and captcha.php for a detailed example.
That's it :)
==[ Author ]==
==[ License ]==
GNU General Public License (Version 2, June 1991)
This program is free software; you can redistribute
it and/or modify it under the terms of the GNU
General Public License as published by the Free
Software Foundation; either version 2 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License
for more details.
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