Question

I would like to know how I can add the following code to my codeigniter constructor:

$this->load->model('members_model');
            $member = $this->session->userdata('email_address');
            $viewdata['pagecontent'] = $this->members_model->get_profile($member);

The code is used throughout my controller and it seems silly to repeat it every time. When I try adding it to the constructor I am unable to reference the set variables.

This is the constructor so far:

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

        $this->load->model('members_model');
        $member = $this->session->userdata('email_address');
        $viewdata['pagecontent'] = $this->members_model->get_profile($member);
    }

Why wouldn’t the above code work? Do constructors require different code?

Answer 1

Constructor works, in this sense, like all other methods (and like functions), so your vars are subject to the variable scope.

Do:

class Mycontroller extends CI_Controller {

public $viewdata = array();

    function __construct()
    {
      parent::__construct();
      Accesscontrol_helper::is_logged_in_super_user();
      $this->load->model('members_model');
      // $this->load->library('session');
      // $this->load->database();
      // ^- if not already autoloaded
      $member = $this->session->userdata('email_address');
      $this->viewdata['pagecontent'] = $this->members_model->get_profile($member);
    }
}

Then, in your other controller’s methods, you just call the class property $this->viewdata, ex.

function index()
{
  $this->load->view('myview',$this->viewdata);
}

And access it, in myview.php :

echo $pagecontent;