think\App::run PHP Method

    public static function run(Request $request = null)
    {
        is_null($request) && ($request = Request::instance());
        try {
            $config = self::initCommon();
            if (defined('BIND_MODULE')) {
                // 模块/控制器绑定
                BIND_MODULE && Route::bind(BIND_MODULE);
            } elseif ($config['auto_bind_module']) {
                // 入口自动绑定
                $name = pathinfo($request->baseFile(), PATHINFO_FILENAME);
                if ($name && 'index' != $name && is_dir(APP_PATH . $name)) {
                    Route::bind($name);
                }
            }
            $request->filter($config['default_filter']);
            if ($config['lang_switch_on']) {
                // 开启多语言机制 检测当前语言
                Lang::detect();
            } else {
                // 读取默认语言
                Lang::range($config['default_lang']);
            }
            $request->langset(Lang::range());
            // 加载系统语言包
            Lang::load([THINK_PATH . 'lang' . DS . $request->langset() . EXT, APP_PATH . 'lang' . DS . $request->langset() . EXT]);
            // 获取应用调度信息
            $dispatch = self::$dispatch;
            if (empty($dispatch)) {
                // 进行URL路由检测
                $dispatch = self::routeCheck($request, $config);
            }
            // 记录当前调度信息
            $request->dispatch($dispatch);
            // 记录路由和请求信息
            if (self::$debug) {
                Log::record('[ ROUTE ] ' . var_export($dispatch, true), 'info');
                Log::record('[ HEADER ] ' . var_export($request->header(), true), 'info');
                Log::record('[ PARAM ] ' . var_export($request->param(), true), 'info');
            }
            // 监听app_begin
            Hook::listen('app_begin', $dispatch);
            switch ($dispatch['type']) {
                case 'redirect':
                    // 执行重定向跳转
                    $data = Response::create($dispatch['url'], 'redirect')->code($dispatch['status']);
                    break;
                case 'module':
                    // 模块/控制器/操作
                    $data = self::module($dispatch['module'], $config, isset($dispatch['convert']) ? $dispatch['convert'] : null);
                    break;
                case 'controller':
                    // 执行控制器操作
                    $data = Loader::action($dispatch['controller']);
                    break;
                case 'method':
                    // 执行回调方法
                    $data = self::invokeMethod($dispatch['method']);
                    break;
                case 'function':
                    // 执行闭包
                    $data = self::invokeFunction($dispatch['function']);
                    break;
                case 'response':
                    $data = $dispatch['response'];
                    break;
                default:
                    throw new \InvalidArgumentException('dispatch type not support');
            }
        } catch (HttpResponseException $exception) {
            $data = $exception->getResponse();
        }
        // 清空类的实例化
        Loader::clearInstance();
        // 输出数据到客户端
        if ($data instanceof Response) {
            $response = $data;
        } elseif (!is_null($data)) {
            // 默认自动识别响应输出类型
            $isAjax = $request->isAjax();
            $type = $isAjax ? Config::get('default_ajax_return') : Config::get('default_return_type');
            $response = Response::create($data, $type);
        } else {
            $response = Response::create();
        }
        // 监听app_end
        Hook::listen('app_end', $response);
        return $response;
    }

 public function testRun()
 {
     $response = App::run(Request::create("http://www.example.com"));
     $expectOutputString = '<style type="text/css">*{ padding: 0; margin: 0; } div{ padding: 4px 48px;} a{color:#2E5CD5;cursor: pointer;text-decoration: none} a:hover{text-decoration:underline; } body{ background: #fff; font-family: "Century Gothic","Microsoft yahei"; color: #333;font-size:18px} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.6em; font-size: 42px }</style><div style="padding: 24px 48px;"> <h1>:)</h1><p> ThinkPHP V5<br/><span style="font-size:30px">十年磨一剑 - 为API开发设计的高性能框架</span></p><span style="font-size:22px;">[ V5.0 版本由 <a href="http://www.qiniu.com" target="qiniu">七牛云</a> 独家赞助发布 ]</span></div><script type="text/javascript" src="http://tajs.qq.com/stats?sId=9347272" charset="UTF-8"></script><script type="text/javascript" src="http://ad.topthink.com/Public/static/client.js"></script><thinkad id="ad_bd568ce7058a1091"></thinkad>';
     $this->assertEquals($expectOutputString, $response->getContent());
     $this->assertEquals(200, $response->getCode());
     $this->assertEquals(true, function_exists('lang'));
     $this->assertEquals(true, function_exists('config'));
     $this->assertEquals(true, function_exists('input'));
     $this->assertEquals(Config::get('default_timezone'), date_default_timezone_get());
 }