Ultra Light CAPTCHA in PHP

Ultra Light CAPTCHA in PHP 异常小巧 UL CAPTCHA is free software: you can redistribute it and/or modify it under the terms. UL CAPTCHA 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. Thanks for downloading Ultra Light CAPTCHA. This blog is based on PHP, free to download. Ultra Light CAPTCHA is developed by Sourav Ghosh. To see Ultra Light CAPTCHA in action visit blog.web-shine.in Sourav Ghosh, 18 May, 2010 Kolkata, India You can use this blog in your site or blog without my permission :) But a link-back to www.web-shine.in will be appreciated and a this text in the footer <h6>Powered By UL CAPTCHA (by Sourav Ghosh)</h6>