Why I can not pass a variable between controller functions in codeigniter

Question

I have this in a codeigniter controller:

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

class Test extends CI_Controller {

    public $idioma;

    public function index() {

        parent::__construct();

            // get the browser language.
        $this->idioma = strtolower(substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2));

        $data["idioma"] = $this->idioma;
        $this->load->view('inicio', $data);

    }

    public function hello(){
        $data["idioma"] = $this->idioma;
        $this->load->hello('inicio', $data);
    }
}

Inicio view:

 <a href="test/hello">INICIO <?php echo $idioma ?></a>

hello view:

Hello <?php echo $idioma ?>

The inicio view works great, but when the hello view is loaded there's nothing displayed. Any idea why this is not working?

hello() doesn't have $this->idioma set to anything.

gen_Eric
– gen_Eric

2013-09-26 19:24:06 +00:00
Commented Sep 26, 2013 at 19:24 — gen_Eric
– gen_Eric, Commented Sep 26, 2013 at 19:24

Kai Qing · Accepted Answer · 2013-09-26 19:30:03Z

3

If you wish to set a class property automatically you would do it in the constructor, not in index(). index() does not run before other methods if they are called directly. In your case I assume you're calling hello via the url as test/hello

class Test extends CI_Controller {

    public $idioma;

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

            // get the browser language.
        $this->idioma = strtolower(substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2));
    }

    public function index() {

        $data["idioma"] = $this->idioma;
        $this->load->view('inicio', $data);

    }

    public function hello(){
        $data["idioma"] = $this->idioma;
        $this->load->hello('inicio', $data);
    }
}

answered Sep 26, 2013 at 19:30

Kai Qing

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