Remove Duplicate Sessions

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## MOD Title: Remove Duplicate Sessions
## MOD Author: nurhendra < N/A > (Nur Hendra) N/A
## MOD Description: To remove duplicate/old sessions from the same user.
## MOD Version: 1.0.0
##
## Installation Level: Easy
## Installation Time: ~1 Minutes
## Files To Edit: includes/sessions.php
## Included Files: n/a
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## For Security Purposes, Please Check: http://www.phpbb.com/mods/ for the
## latest version of this MOD. Downloading this MOD from other sites could cause malicious code
## to enter into your phpBB Forum. As such, phpBB will not offer support for MOD's not offered
## in our MOD-Database, located at: http://www.phpbb.com/mods/
##############################################################
## Author Notes: This MOD will remove duplicate/old sessions when a
##               user is logging in to increase security (i.e. last
##               session info when logged from Browser/PC #1 will be
##               removed when user is logging in from Browser/PC #2).
##
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## MOD History:
##
##   2005-03-27 - Version 1.0.0
##      - Initial release
##
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## Before Adding This MOD To Your Forum, You Should Back Up All Files Related To This MOD
##############################################################

#
#-----[ OPEN ]------------------------------------------
#
includes/sessions.php

#
#-----[ FIND ]------------------------------------------
#
   //
   // Create or update the session
   //

#
#-----[ AFTER, ADD ]------------------------------------------
#
   // MOD: Remove Duplicate Sessions ...
   $sql = "DELETE FROM " . SESSIONS_TABLE .
      " WHERE session_user_id = " . $user_id .
      " AND session_id <> '" . $session_id ."'";
   if ( !$db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, 'Error in removing duplicate sessions', '', __LINE__, __FILE__, $sql);
   }
   // ... MOD: Remove Duplicate Sessions


#
#-----[ SAVE/CLOSE ALL FILES ]------------------------------------------
#
# EoM