For an example see files exampleView.php and exampleCheck.php, and to try it there is example.html
You need to complie PHP with `--with-gd` directive, check http://www.php.net/manual/en/book.image.php for more details.
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 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. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see http://www.gnu.org/licenses/. "PHP5 CAPTCHA" Copyright (C) 2008 Ala'a A. Ibrahim
Ala'a Ibrahim (Contact Me)
You can download this project in either zip or tar formats.
You can also clone the project with Git by running:
$ git clone git://github.com/alaaibrahim/php5captcha