Strong код

if (isset ($user)) {
mysql_query("UPDATE `users` SET `viz` = ".time()." WHERE `id` = '$user[id]' LIMIT 1");
//////////////
$timeactiv=time() - $user['viz'];
if($timeactiv < 120)
{
$newtimeactiv=$user['time']+$timeactiv;
mysql_query("UPDATE `users` SET `time` ='$newtimeactiv', `perehodu` = '".($user['perehodu']+1)."' WHERE `id` = '$user[id]' LIMIT 1");
echo mysql_error();
}
}