xhprof测试yii2项目，报告中返回“N;”

xhprof_enable()

xhprof_disable()

httpclient

httpclient

        xhprof_enable(XHPROF_FLAGS_NO_BUILTINS);

        $client = new Client();

        $respOnse= $client->createRequest()

            ->setMethod('get')

            ->setUrl(\Yii::$app->params['api']['cms'] . '/nav/lists')

            ->setData($navdata)

            ->send();



        $xhprof_data = xhprof_disable();

        include_once "../utils/xhprof_lib.php";

        include_once "../utils/xhprof_runs.php";

        $xhprof_runs = new \XHProfRuns_Default();

        $run_id = $xhprof_runs->save_run($xhprof_data, 'dfadf');

        //xhprof_log中的结果为“N;”

        function add($a, $b){

            return $a + $b;

        }

        xhprof_enable(XHPROF_FLAGS_NO_BUILTINS);

        add(1, 3);

        $xhprof_data = xhprof_disable();

        include_once "../utils/xhprof_lib.php";

        include_once "../utils/xhprof_runs.php";

        $xhprof_runs = new \XHProfRuns_Default();

        $run_id = $xhprof_runs->save_run($xhprof_data, 'dfadf');

        //xhprof_log中的结果为“a:1:{s:6:"main()";a:2:{s:2:"ct";i:1;s:2:"wt";i:8;}}”