Dietcube\Dispatcher::executeAction PHP Method

    public function executeAction($handler, $vars = [], $fire_events = true)
    {
        $logger = $this->container['logger'];
        $executable = null;
        if (is_callable($handler)) {
            $executable = $handler;
        } else {
            list($controller_name, $action_name) = $this->app->getControllerByHandler($handler);
            if (!class_exists($controller_name)) {
                throw new DCException("Controller {$controller_name} is not exists.");
            }
            $controller = $this->app->createController($controller_name);
            $executable = [$controller, $action_name];
        }
        if ($fire_events) {
            $event = new ExecuteActionEvent($this->app, $executable, $vars);
            $this->event_dispatcher->dispatch(DietcubeEvents::EXECUTE_ACTION, $event);
            $executable = $event->getExecutable();
            $vars = $event->getVars();
        }
        // Executable may changed by custom event so parse info again.
        if ($executable instanceof \Closure) {
            $controller_name = 'function()';
            $action_name = '-';
        } else {
            $controller_name = get_class($executable[0]);
            $action_name = $executable[1];
            if (!is_callable($executable)) {
                // anon function is always callable so when the handler is anon function it never come here.
                $logger->error('Action not dispatchable.', ['controller' => $controller_name, 'action_name' => $action_name]);
                throw new DCException("'{$controller_name}::{$action_name}' is not a valid action.");
            }
        }
        $logger->debug('Execute action.', ['controller' => $controller_name, 'action' => $action_name, 'vars' => $vars]);
        return call_user_func_array($executable, $vars);
    }