<?php
function is_user_logged_in()
{
$loggedin = false;
foreach ( (array) $_COOKIE
as $cookie => $value )
{
if ( stristr($cookie,
'wordpress_logged_in_') )
$loggedin = true;
}
return $loggedin;
}
if ( !stristr($_SERVER['REQUEST_URI'],
'/wp-admin/') &&
!stristr($_SERVER['REQUEST_URI'],
'/wp-login.php') &&
!is_user_logged_in() )
$upgrading = time();
?>