Backend\Core\Engine\Action::execute PHP Method

    public function execute()
    {
        $this->loadConfig();
        // is the requested action available? If not we redirect to the error page.
        if (!$this->config->isActionAvailable($this->action)) {
            // build the url
            $errorUrl = '/' . NAMED_APPLICATION . '/' . $this->get('request')->getLocale() . '/error?type=action-not-allowed';
            // redirect to the error page
            return $this->redirect($errorUrl, 307);
        }
        // build action-class
        $actionClass = 'Backend\\Modules\\' . $this->getModule() . '\\Actions\\' . $this->getAction();
        if ($this->getModule() == 'Core') {
            $actionClass = 'Backend\\Core\\Actions\\' . $this->getAction();
        }
        if (!class_exists($actionClass)) {
            throw new Exception('The class ' . $actionClass . ' could not be found.');
        }
        // get working languages
        $languages = BackendLanguage::getWorkingLanguages();
        $workingLanguages = array();
        // loop languages and build an array that we can assign
        foreach ($languages as $abbreviation => $label) {
            $workingLanguages[] = array('abbr' => $abbreviation, 'label' => $label, 'selected' => $abbreviation == BackendLanguage::getWorkingLanguage());
        }
        // assign the languages
        $this->tpl->assign('workingLanguages', $workingLanguages);
        // create action-object
        /** @var $object BackendBaseAction */
        $object = new $actionClass($this->getKernel());
        $this->getContainer()->get('logger')->info("Executing backend action '{$object->getAction()}' for module '{$object->getModule()}'.");
        $object->execute();
        return $object->getContent();
    }