Boilerplate code for HMVC Controller file

perfectcontroller.php

<?php if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}

class Perfectcontroller extends MX_Controller
{

    function __construct()
    {
        parent::__construct();
    }

    function get($order_by)
    {
        $this->load->model('mdl_perfectcontroller');
        $query = $this->mdl_perfectcontroller->get($order_by);
        return $query;
    }

    function get_with_limit($limit, $offset, $order_by)
    {
        $this->load->model('mdl_perfectcontroller');
        $query = $this->mdl_perfectcontroller->get_with_limit($limit, $offset, $order_by);
        return $query;
    }

    function get_where($id)
    {
        $this->load->model('mdl_perfectcontroller');
        $query = $this->mdl_perfectcontroller->get_where($id);
        return $query;
    }

    function get_where_custom($col, $value)
    {
        $this->load->model('mdl_perfectcontroller');
        $query = $this->mdl_perfectcontroller->get_where_custom($col, $value);
        return $query;
    }

    function _insert($data)
    {
        $this->load->model('mdl_perfectcontroller');
        $this->mdl_perfectcontroller->_insert($data);
    }

    function _update($id, $data)
    {
        $this->load->model('mdl_perfectcontroller');
        $this->mdl_perfectcontroller->_update($id, $data);
    }

    function _delete($id)
    {
        $this->load->model('mdl_perfectcontroller');
        $this->mdl_perfectcontroller->_delete($id);
    }

    function count_where($column, $value)
    {
        $this->load->model('mdl_perfectcontroller');
        $count = $this->mdl_perfectcontroller->count_where($column, $value);
        return $count;
    }

    function get_max()
    {
        $this->load->model('mdl_perfectcontroller');
        $max_id = $this->mdl_perfectcontroller->get_max();
        return $max_id;
    }

    function _custom_query($mysql_query)
    {
        $this->load->model('mdl_perfectcontroller');
        $query = $this->mdl_perfectcontroller->_custom_query($mysql_query);
        return $query;
    }
}

Should I chage mdl_perfectcontroller for mdl_perfectmodel of tihis code?

Ah.. this is pretty old code. I took it from a youtube tutorial by David Connoly.
Try this repo https://github.com/aslamdoctor/ciboilerplate
You will find much better codeigniter setup.

Here is what you were talking about I guess :)
https://github.com/aslamdoctor/ciboilerplate/blob/master/application/core/MY_Model.php

You can even create REST APIs very easily using this repo.