CRUD\Controller\ControllerTrait::invokeAction PHP Method

    public function invokeAction()
    {
        $request = $this->request;
        if (!isset($request)) {
            throw new \LogicException('No Request object configured. Cannot invoke action');
        }
        if (!$this->isAction($request->params['action'])) {
            throw new MissingActionException(['controller' => $this->name . 'Controller', 'action' => $request->params['action'], 'prefix' => isset($request->params['prefix']) ? $request->params['prefix'] : '', 'plugin' => $request->params['plugin']]);
        }
        $callable = [$this, $request->params['action']];
        if (is_callable($callable)) {
            return call_user_func_array($callable, $request->params['pass']);
        }
        $component = $this->_isActionMapped();
        if ($component) {
            return $component->execute();
        }
        throw new MissingActionException(['controller' => $this->name . 'Controller', 'action' => $request->params['action'], 'prefix' => isset($request->params['prefix']) ? $request->params['prefix'] : '', 'plugin' => $request->params['plugin']]);
    }