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Viewing file:     useronline.php (1.41 KB)      -rw-r--r--

<?php
$Session_name = "default"; 	// The Sessions name, write "default" for default name.
include("config.inc.php");

/***
Don't mess with the code below if you don't know what you're doing!
**/

	// Starts Session
if ($Session_name == "default") {
	session_start();
}
else {
	session_name("$Session_name");
	session_start("$Session_name");
}

$SID = session_id();
$time = time();
$dag = date("z");
$nu = time()-900; // Keep for 15 mins
	
	//This connects to the MySQL server
mysql_connect ($host, $user, $passwd) OR DIE ("Could not connect to MySQL");
mysql_select_db($dbname) OR DIE ("Can't select database.");

	// Check to see if the session_id is already registerd
$sidcheck = mysql_query("SELECT count(*) FROM $table WHERE SID='$SID'");
$sid_check = mysql_result($sidcheck,0);

if ($sid_check == "0") {
		// If not, the session_id will be stored in MySQL
	mysql_query("INSERT INTO $table VALUES ('$SID','$time','$dag')");		
} else {		
		// If it is, it will register a new time to the session.
	mysql_query("UPDATE $table SET time='$time' WHERE SID='$SID'");				
}
	
	// This is it, this counts the users currently online	
$count_users = mysql_query("SELECT count(*) FROM $table WHERE time>$nu AND day=$dag");
$users_online = mysql_result($count_users,0);

	// This deletes old ids, so your db will not get overloaded.
	
mysql_query("DELETE FROM $table WHERE time<$nu");
mysql_query("DELETE FROM $table WHERE day != $dag");

mysql_close();
?>