Global variable in controller cakephp 2

Question

What's the way to have a global variable inside a controller?

I have tried to do it using beforeFilter but it is not accessible from the others functions.

Can it only be done using Configure::read and Configure::write

you need to explain more what it is used for. otherwise one can only guess. and in general Configure is a very easy and clean way to do that, yes. — mark
– mark, Commented Sep 28, 2012 at 11:20
Just want to share some variables with more than one function. Something like $isOwner, or $isAdmin. — Alvaro
– Alvaro, Commented Sep 28, 2012 at 11:23

thanat · Accepted Answer · 2012-09-28 11:42:09Z

18

you can set variable accessible in any controller in your AppController

class AppController extends Controller {
    public $myGlobalVar;  

    public function beforeFilter()
    {
         //this can be anything array, object, string, etc .....
         $this->myGlobalVar = "test2";
    }
 }

then in your other controller you can access variable anywhere like this

class TestController extends AppController {

    public function index() {

        debug($this->myGlobalVar);
    }
}

edited Sep 28, 2012 at 11:42

answered Sep 28, 2012 at 11:21

thanat

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3 Comments

Alvaro Over a year ago

Why is it in the index function? Wouldn't it be in the beforeFilter one?

thanat Over a year ago

its just an example, should be accesible anywhere in any controller.

Alvaro Over a year ago

Ok, thanks, but i not use it as the variables read info from models and cake doesn't allow many calls on there.

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