How to call Base Controllers Method in Codeigniter? - php

Question

I Have Defined MY_ Controller in my core folder.
Then i have two controllers:
Admin_Controller
Customer_Controller
Now i want to put a query into my Customer_Controller whose result i can access all the controller which extends to Customer_Controllers.
I have put this code in Customer_Controller
public function get_users()
{
$id = $this->session->userdata('id');
$this->db->select('*');
$this->db->join('tenant','tenant.id = sites.tenant_id');
$this->db->where('tenant.id',$id);
$this->db->from('sites');
$query = $this->db->get();
$result = $query->result();
$sitedata = json_decode(json_encode($result));
$this->session->set_userdata($sitedata);
}
Now when i have a child class something like this
<?php
class User extends Customer_Controller
{
public function__construct()
{
parent::__construct();
}
public function index()
{
//Get Results from Customer_Controller
}
}
how do this?

Answer 1

you can follow this:
class Customer_Controller extends My_Controller
{
public function customer()
{
return 'costomers';
}
}
then
class User extends Customer_Controller
{
//call the function from Customer_Controller
$this->customer();
}

Answer 2

Let me give you a suggestion. Instead of creating a controller and extending the same, why don't you create a library class.
And then load your library inside the controller you want.
for example here is your library class file.
<?php
class users{
private $session;
public function __construct(){
$CI =& get_instance();
$this->session=$CI->session;
}
public function get_users()
{
// do the code and return the
}
}
AND in your controller
<?php
class User extends CI_Controller
{
public function__construct()
{
parent::__construct();
}
public function index()
{
$this->load->library('users');
$users = new users();
$userinfo = users->get_users();
//Results from library
}
}

Answer 3

You Try get_instance() like this in you User Controller
public function get_users()
{
$id = $this->session->userdata('id');
$this->db->select('*');
$this->db->join('tenant','tenant.id = sites.tenant_id');
$this->db->where('tenant.id',$id);
$this->db->from('sites');
$query = $this->db->get();
$result = $query->result();
$sitedata = json_decode(json_encode($result));
$this->session->set_userdata($sitedata);
return $result;
}
class User extends CI_controller
{
public function__construct()
{
parent::__construct();
}
public function index()
{
$CI=&get_instance();
$result=$CI->get_users();
foreach($result as $row)
{
echo $row->id;//here add you table field name for id
}
}
}

Answer 4

Codeigniter is MVC framework.
So You will put get_users in model part.
example: you must making custom_model.php in models folder.
<?php
class custom_model extends CI_Model {
function __construct()
{
parent::__construct();
}
public function get_users($id)
{
$this->db->select('*');
$this->db->join('tenant','tenant.id = sites.tenant_id');
$this->db->where('tenant.id',$id);
$this->db->from('sites');
$query = $this->db->get();
$result = $query->result();
return $result;
}
}
?>
next step: you are remake custom_controller.
public function get_users()
{
$id = $this->session->userdata('id');
$this->load->model('custom_model');
$result=$this->cutom_model->get_users($id);
$sitedata = json_decode(json_encode($result));
$this->session->set_userdata($sitedata);
}
and next step:
class User extends Customer_Controller
{
public function__construct()
{
parent::__construct();
}
public function index()
{
//
}
public function get_users(){
parent::get_users();
}