A php+txt text guestbook, only one .php can realize the display, addition and deletion of the guestbook, and store it in the .txt text according to certain rules. The entire message board program uses an array to read out the message content. It is less than 7K, and there are not many lines of source code. It can also display facial expressions in the guestbook. It mainly uses PHP's file operation functions to operate the guestbook program. The page is very beautiful and can be used as a small guestbook for research. The main functions implemented are: post a message, display the message, delete the message. You mainly need to know how to write and delete characters in the .txt file. File structure: index.php implements database-free display, addition and deletion. info.txt text database face/ guestbook emoticon
