calls to model in Codeigniter Constructor... how to

Question

I am developing a CRM for our agency in Codeigniter and I have a question that I can't seem to find a solid answer on. If I have a task that I do on the majority of methods in a controller, is there any way to define that action only once? For instance...

Every view call gets passed the $data variable, like so...

$this->load->view('templates/template.php', $data);

So if I am doing something like getting the admins information in every function of the controller, how can i tell it to do that action ONE time and pass it to all my functions.

Like this...

$data['admin'] = $this->Crm_model->get_admin();

I've tried putting that ^ in the constructor and it doesn't work. Any ideas?

Ayush · Accepted Answer · 2012-12-01 04:43:26Z

If you do:

$data['admin'] = $this->Crm_model->get_admin();

in the constructor, $data's scope is limited to the constructor. You need to create it as a class property so it is scoped to the entire class. Do this instead

$this->data['admin'] = $this->Crm_model->get_admin();

in the constructor, and then in other methods, you can access the array by doing $this->data

Here's an example:

class Foobar extends CI_Controller { public function __construct() { $this->data['foo'] = "bar"; } public function index() { // use the class property data here to add more info to it $this->data['hello'] = "world"; // now pass this to the view $this->load->view('myView', $this->data); // myView will receive both $foo and $hello } }

ok so essentially theres no way then of that one $data variable being passed to the view to be a combination of variables both within and outside the function, but within the same class? Correct?
You should be able to do that. Hold up while I put together an example.
Ah I gotcha, yeah that'll work perfectly. Thanks for the help man.

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