codeigniter model ar

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

class Simply_model extends CI_Model {

function get($table)
    {
        $this->db->select();
        $query = $this->db->get($table);
        return $query->result_array();
    }

function get_where($table, $id, $idtab)
    {
        $this->db->select();
        $this->db->where($idtab, $id);
        $query = $this->db->get($table);
        return $query->result_array();
    }

function get_where_first_row($table, $id, $idtab)
    {
        $this->db->select();
        $this->db->where($idtab, $id);
        $query = $this->db->get($table);
        return $query->first_row();
    }

function save($insert_data, $table)
    {
       $insert = $this->db->insert($table, $insert_data);
       return $insert;
    }

function delete($table, $id, $idtab)
    {
        $query = $this->db->delete($table, array($idtab => $id));
        return $query;
    }

function update($data, $table, $id, $idtab)
    {
        $this->db->where($idtab, $id);
        $update = $this->db->update($table, $data);
        return $update;
    }

}

/* End of file simply_model.php */
/* Location: ./application/models/simply_model.php */