Php enables online membership

Source: Internet
Author: User
In the PHP program development system, the online membership statistics are used, and no information has been found. it is relatively simple to write your own ideas. For reference only. Make a table to count the number of online members. table name: userlist field: id (attribute, I

In the PHP program development system, the online membership statistics are used, and no information has been found. it is relatively simple to write your own ideas. For reference only.

Make a table to count the number of online members

Table name: userlist

Field: id (attribute, int, set as the primary key, auto_increment, that is, automatically add 1), user_id (user id, int), indate (char, logon time ), inip (char, used to record IP addresses during logon)

It's easy to write a table. you can use the SQL statement as follows:

Create table 'userlist '(

'Id' int not null AUTO_INCREMENT primary key,

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