a pre-calculated field with this:
$user =& JFactory::getUser();
$userid = $user->get('id');
$db =& JFactory::getDBO();
$ip =str_replace(".","",$_SERVER['REMOTE_ADDR']);
$db->setQuery("SELECT id_allen FROM tm_sessioni_attive WHERE `id_ins` = $userid AND `ip_now` = '{session.token}'");
$result_val = $db->loadResult();
return $result_val;
"returns this error: Debug: Caught exception on eval of id_allen: Only variables should be assigned by reference"
eval is yes
$user =& JFactory::getUser();
$userid = $user->get('id');
$db =& JFactory::getDBO();
$ip =str_replace(".","",$_SERVER['REMOTE_ADDR']);
$db->setQuery("SELECT id_allen FROM tm_sessioni_attive WHERE `id_ins` = $userid AND `ip_now` = '{session.token}'");
$result_val = $db->loadResult();
return $result_val;
"returns this error: Debug: Caught exception on eval of id_allen: Only variables should be assigned by reference"
eval is yes