Profiler\ProfilerServiceProvider::registerProfiler PHP Метод

    public function registerProfiler()
    {
        $sessionHash = static::SESSION_HASH;
        $this->app['profiler'] = $this->app->share(function ($app) use($sessionHash) {
            $startTime = null;
            $enabled = false;
            // Let's use the Laravel start time if it is defined.
            if (defined('LARAVEL_START')) {
                $startTime = LARAVEL_START;
            }
            // Check the session to see if the profiler has been manually enabled
            // or disabled through the session. Note that the session completely overrides
            // the configuration.
            if ($app['session']->has($sessionHash)) {
                $enabled = $app['session']->get($sessionHash);
            } else {
                // The session contains no information as to wether the profiler is enabled
                // or not. Let's check the configurations now.
                $enabled = $app['config']->get('profiler::enabled', null);
                // If the config is set to null (or doesn't exist), we will fallback to the application's
                // debug setting.
                if (is_null($enabled)) {
                    $enabled = $app['config']->get('app.debug');
                }
            }
            return new Profiler(new Logger(), $startTime, $enabled);
        });
    }