php编写的简单留言板源码，有管理入口，增加删除，回复留言功能-php source code written in a simple message board, managed entry, increasing to delete, reply message function

修正留言簿回复页面不能正常显示双引号的问题,武测98062班留言簿-Fixed book pages can not resume normal display double-quotes, measuring 98,062 military class guestbook