<?php
    #some class/methods up here...

        public function AddNewUser(User $user) #here is where it's passed in...
        {
            print '<pre>';
            print_r($user);  # my output of this is shown in email.
            print '</pre>';
            return;

            $user->Username = $this->db->escape($user->Username);
            $user->Password = $this->db->escape($user->Password);
            $user->Email    = $this->db->escape($user->Email);

            $sql   = 'CALL sp_RegisterUser(' . $user->Username . ', ' .
                        $user->Password . ', ' . $user->Email . ', '
                        . (int)((isset($user->RefId) && is_numeric($user->RefId))
                        ? $user->RefId : 0) . ', @usersId);';
            $query = $this->db->query($sql);

            if($query)
            {
                $sql   = "SELECT @usersId;";
                $query = $this->db->query($sql);

                if($query->num_rows())
                {
                    $sqlData = $query->result();
                    $query->free_result();

                    foreach($sqlData[0] as $k => $v)
                    {
                        $array[$k] = $v;
                    }

                    return (int)$array['@usersId'];
                }
            }
        }
    }