php登录系统。包含登录页面，注册页面，数据库连接等。-php login system. Contains the login page, registration page, database connections.

LOGA 4.X 日志系统即名为 Log AsThis ，是如斯开发的日志系统。取简洁，追求效率之意。本日志系统基于PHP+MySQL平台开发，结构简洁，运行速度极快。-LOGA 4 X logging system that is called Log AsThis , was developed by Ruth logging system. Concise, the pursuit of efficiency. The logging system based on PHP+ MySQL