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How to see all sessions sets in a server using PHP

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I want to write online user module for my site and I want to check $_SESSION['userID'] to find all users id who loged in but when I echo this code its return only current user detail how I can see all sessions?

foreach($_SESSION as $k => $v)
{
echo $k."----------".$v;
}

or how I handle online users?

posted Aug 4, 2013 by Mandeep Sehgal

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1 Answer

+1 vote
 
Best answer

You can only access sessions when you know the session id. Most sites handle online users in their database, store a timestamp each time a user loads a page. When you want to display the online users, check where the timestamp is between now and a few minutes ago. Note that without javascript (or flash/java/etc) there is no way to truly know if the user left or not. The session will stay active for a long time, depending on your php.ini settings.

answer Aug 4, 2013 by Jagan Mishra
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