I have done it and published on root.cz the functional example (ready to use) of the captcha here: http://kregion.cz/discussion-forum-commentary-spam -filter/ (writen in PHP, MySQL and using GD library - licence GNU/GPL - still not writen as a function, but only to copy&paste to source code - will be corrected in the future version)
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I have done it and published on root.cz the functional example (ready to use) of the captcha here: http://kregion.cz/discussion-forum-commentary-spam -filter/ (writen in PHP, MySQL and using GD library - licence GNU/GPL - still not writen as a function, but only to copy&paste to source code - will be corrected in the future version)