Funktioniert leider nicht. :(
$user_infos = '';
$user_id = $userdata['user_id'];
$sql = "SELECT user_infos
FROM " . USERS_TABLE . "
WHERE " . user_id ." = $user_id";
$result = mysql_query($sql);
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Could not ...