App\Http\Controllers\AppController::update PHP Method

    public function update()
    {
        if (!Utils::isNinjaProd()) {
            try {
                set_time_limit(60 * 5);
                Artisan::call('clear-compiled');
                Artisan::call('cache:clear');
                Artisan::call('debugbar:clear');
                Artisan::call('route:clear');
                Artisan::call('view:clear');
                Artisan::call('config:clear');
                Artisan::call('optimize', ['--force' => true]);
                Cache::flush();
                Session::flush();
                Artisan::call('migrate', ['--force' => true]);
                Artisan::call('db:seed', ['--force' => true, '--class' => 'UpdateSeeder']);
                Event::fire(new UserSettingsChanged());
                // legacy fix: check cipher is in .env file
                if (!env('APP_CIPHER')) {
                    $fp = fopen(base_path() . '/.env', 'a');
                    fwrite($fp, "\nAPP_CIPHER=rijndael-128");
                    fclose($fp);
                }
                // show message with link to Trello board
                $message = trans('texts.see_whats_new', ['version' => NINJA_VERSION]);
                $message = link_to(RELEASES_URL, $message, ['target' => '_blank']);
                $message = sprintf('%s - %s', trans('texts.processed_updates'), $message);
                Session::flash('warning', $message);
            } catch (Exception $e) {
                Utils::logError($e);
                return Response::make($e->getMessage(), 500);
            }
        }
        return Redirect::to('/');
    }