/**
* Runs an action within this controller with the specified action ID and parameters.
* If the action ID is empty, the method will use [[defaultAction]].
* @param string $id the ID of the action to be executed.
* @param array $params the parameters (name-value pairs) to be passed to the action.
* @return mixed the result of the action.
* @throws InvalidRouteException if the requested action ID cannot be resolved into an action successfully.
* @see createAction()
*/
public function runAction($id, $params = [])
{
$action = $this->createAction($id);
if ($action !== null) {
Yii::trace("Route to run: " . $action->getUniqueId(), __METHOD__);
if (Yii::$app->requestedAction === null) {
Yii::$app->requestedAction = $action;
}
$oldAction = $this->action;
$this->action = $action;
$result = null;
$event = new ActionEvent($action);
Yii::$app->trigger(Application::EVENT_BEFORE_ACTION, $event);
if ($event->isValid && $this->module->beforeAction($action) && $this->beforeAction($action)) {
$result = $action->runWithParams($params);
$this->afterAction($action, $result);
$this->module->afterAction($action, $result);
$event = new ActionEvent($action);
$event->result =& $result;
Yii::$app->trigger(Application::EVENT_AFTER_ACTION, $event);
}
$this->action = $oldAction;
return $result;
} else {
throw new InvalidRouteException('Unable to resolve the request: ' . $this->getUniqueId() . '/' . $id);
}
}