一些网址

http://m.blog.csdn.net/article/details?id=7465686 中文字符串截取

http://www.skygq.com/2011/02/22/call_user_func%E5%87%BD%E6%95%B0%E5%92%8Ccall_user_func_array%E5%87%BD%E6%95%B0%EF%BC%88php%EF%BC%89/ call_user_func

http://www.php-note.com/article/detail/615 magic_quotes_gpc on

 http://www.jb51.net/article/83618.htm 数组处理