借助诸如Apach、Perl、PHP和Python等工具，构建一个MySQL应用时很容易的。然而确保它们运行快速，则需要一点洞察力。本文就是你需要知道的东西。

session_register()出错的解决办法 错误提示：Warning: Unknown(): Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively. in Unknown on line 0 1、PHP4.2以

原理：读取某站点的源文件，再利用正则分析其源代码，得到所有链接