on end.php
if ($user_id){
require_once ('memberin.php');
}else{
require_once ('memberon.php');
}and on memberin.php i set
$ontime = $realtime-300;
on memberon.php i set
$ontime = $realtime-300000; -> set all $realtime to 300000
if ($user_id){
require_once ('memberin.php');
}else{
require_once ('memberon.php');
}