XF 2.0 Extending Account and Member controller - when to use "use namspace"

[abdfahim]

While extending member controller, I need to add "use XF\Mvc\ParameterBag" line, otherwise it throws an error

use XF\Mvc\ParameterBag;

class Member extends XFCP_Member
{
    public function actionNewTab(ParameterBag $params)
    {
        $user = $this->assertViewableUser($params->user_id);
        $viewParams = [
            'user' => $user
        ];
        return $this->view('XF:Member\Timeline', 'abdfahim_newtab', $viewParams);
    }
}

However, while extending Account, the following code works without adding "use XF\Mvc\FormAction", though I use FormAction inside a function

class Account extends XFCP_Account
{

    protected function newTestSaveProcess(\XF\Entity\User $visitor)
    {
        $form = $this->formAction();

        ...................
        ...................

        return $form;


    }
}

Anyone please explain?

 

[Chris D]

Use statements are just a way of defining a shortcut for a class name used within the file. It relates specifically to how the class names are written, not whether an object is used which happens to be an instance of that class.

So in your example use XF\Mvc\ParameterBag; allows you to use only ParameterBag here actionNewTab(ParameterBag $params) rather than having to type actionNewTab(\XF\Mvc\ParameterBag $params).

You don't actually directly write the FormAction class name in the Account.php file so the use declaration isn't needed.

 

[abdfahim]

Oh, thanks a lot for clarification.