<?php
public function add_data($data = NULL) {
            if ($data === NULL) {
                return FALSE;
            } else {
                foreach ($data as $name => $value) {
                    if(!$this->db-> field_exists($name, 'tbl_pengguna')){
                        //$this->db->reset_query();
                        return FALSE;
                    }
                    //$this->db->set($name, $value);
                }
            }

            return $this->db->set("id_pengguna", "UUID()", FALSE)->insert("tbl_pengguna", $data);
        }