What's the correct method for using Traits and Namespaces for CakePHP 2?

My original question on Stack Overflow [http://stackoverflow.com/questions/21394852/whats-the-correct-method-for-using-traits-and-namespaces-for-cakephp-2], and content copied here, should that disappear.

I'm using CakePHP 2.4.5 and PHP 5.5, and would like to use a trait.

I have a trait in Utility/VariablesTrait.php called VariablesTrait.

To take advantage of namespaces, I've given it a namespace of App\Utility\VariablesTrait, since Utility\VariablesTrait seems a bit too global, and the former would work better with CakePHP 3.

In my class that I want to use it in, I have the use App\Utility\VariablesTrait; statement in the class. For backup, I also have a App::uses('VariablesTrait', 'Utility'); statement at the top of the file. I'm not sure if the SPL autoloader is used when looking for traits, which is why I was going for namespaces in the first place.

The small issue is that the app directory is app, and since directory structures should match namespaces (I think), I renamed it to App. However, CakeRequest::_base() hardcodes app, so determining the controller doesn't work so well.

So, I'm trying to determine if that's a CakePHP bug, or if there is a more appropriate way of using traits in CakePHP 2.

Regards

Reuben Helms

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