How many users online, PHP

PHP
1

Anyone can tell me the way to display how many users are online in the site in PHP without utilizing mysql?

2

You would have to use a flat file system of sorts. using fopen but even with that it’s only going to be basic users online… best to have mysql.

3

Thanks for suggestion

4

Number of users browsing, or number of users logged in?

http://www.olate.co.uk/articles/131