Accessing Variables from MY_Controller CodeIgniter

Question

As I have read through articles, the best possible way to validate a user in all controllers of my application is to extend my own Controller that extends CI_Controller

But I can't make it work.

What I have is a members_controller that extends my MY_Controller.

in MY_Controller i have this piece of code, just to test if how am I going to utilize this.

<?php

class MY_Controller extends CI_Controller {

private $foo;

    function __construct() {
        parent::__construct();
        $this->foo = 'hello world again';
    }

}

in my members controller

<?php
class Members extends MY_Controller {
    function index() {
         $this->load->view('members');
    }
}

in my members view

i want to access this variable i just set up, but i don't know how.

i tried echoing it out like this echo $foo, like this $this->foo

but neither work. thanks much!!

Joost van Veen · Accepted Answer · 2012-10-13 13:45:30Z

5

You need to pass the variable to your view file.

    <?php
    class Members extends MY_Controller {
        function index() {
             $data = array('foo' => $this->foo)
             $this->load->view('members', $data);
        }
    }

Now you can refer to $foo inside your view. You may need to declare $this->foo as protected.

There's a video tutorial on MY_Controller that you may find useful at http://codeigniter.tv/a-10/Extending-the-core-MY_Controller-and-beyond

answered Oct 13, 2012 at 13:45

Joost van Veen

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1 Comment

Joey Hipolito Over a year ago

thanks.. i but can't do it if its a private variable.. hehe.. anyhow thank you very much!!

Zephyr · Accepted Answer · 2012-10-13 07:52:19Z

0

Have you tried passing the variable to the 'members view'.

$this->load->view('members',$foo);

answered Oct 13, 2012 at 7:52

Zephyr

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Comments

TylerH · Accepted Answer · 2015-08-27 21:58:38Z

0

You need to make $foo as protected and not private. Then you will be able to access it in your controller that extends MY_Controller.php like this: $this->foo

edited Aug 27, 2015 at 21:58

TylerH

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answered Oct 22, 2014 at 22:51

koxon

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Comments

AlBlue · Accepted Answer · 2016-06-28 10:29:37Z

Today for the first time I used codeigniter 3. In the past I used version 2.x a lot of times. Now I can't extend CI_Controller:

application/core/MY_Controller.php

class MY_Controller extends CI_Controller {

private $data = array();

function __construct() {
    parent::__construct();
    date_default_timezone_set("Europe/Zagreb");
    $this->data['foo'] = "bar";
}

application/controllers/Welcome.php

class Welcome extends MY_Controller {

public function index() {
    $this->data['main_content'] = 'home';
    $this->load->view('template/template', $this->data); 
}

application/view/home.php (this is view loaded by $this->data['main_content'])

If I try to echo any data declared in MY_Controller, I get an error.

    <?php echo $foo; ?>

A PHP ERROR WAS ENCOUNTERED

Severity: Notice

Message: Undefined variable: foo

Filename: template/header.php

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