yii\base\Controller::bindActionParams PHP Method

This method is invoked by Action when it begins to run with the given parameters.

public bindActionParams ( Action $action, array $params ) : array
$action	Action	the action to be bound with parameters.
$params	array	the parameters to be bound to the action.
return	array	the valid parameters that the action can run with.

    public function bindActionParams($action, $params)
    {
        return [];
    }

Controller