CakePHP 2 从控制器方法访问模型常量

Question

I have a Cakephp 2 model with a class constant:

class Person extends AppModel 
{
    const NAME = 'MyName';  
}

How can i access this class constant into the controller method ?

I try :

public function SayName( $id )
{
   var_dump($this->Person->NAME);
   die;
}

But the result was : NULL

Answer 1

It's a bit strange, but you'll want to do this:

$person = $this->Person;
var_dump($person::NAME);

PHP doesn't like the format $this->inst::CONSTANT , so simply setting it as a variable (like above) will do the trick.

Answer 2

You can also declare your model usage at the top of the controller with the command

App::uses('Person', 'Model');

Then you can access the model constant in the controller with

Person::NAME