PHP 5.3.9正式版发布！

     <p>经过4个RC版,PHP 5.3.9正式版总算发布了。2012-01-11 上一个版本还是2011-08-23的5.3.8 这个版本当然修正了那个hash 碰撞攻击bug.此外还有大量的bug修正，请使用PHP 5.3的同学尽快升级</p>    <p>Security Enhancements and Fixes in PHP 5.3.9:</p>    <ul>     <li>Added max_input_vars directive to prevent attacks based on hash collisions. (CVE-2011-4885)</li>     <li>Fixed bug #60150 (Integer overflow during the parsing of invalid exif header). (CVE-2011-4566)</li>    </ul>    <p>Key enhancements in PHP 5.3.9 include:</p>    <ul>     <li>Fixed bug #55475 (is_a() triggers autoloader, new optional 3rd argument to is_a and is_subclass_of).</li>     <li>Fixed bug #55609 (mysqlnd cannot be built shared)</li>     <li>Many changes to the FPM SAPI module</li>    </ul>    <p>详细日志：<a href="/misc/goto?guid=4958325275953047698" target="_blank">http://www.php.net/ChangeLog-5.php#5.3.9</a></p>    <p>下载：<a href="/misc/goto?guid=4958325276749660263" target="_blank">http://cn.php.net/distributions/php-5.3.9.tar.bz2</a></p>