Bolt\Provider\ProfilerServiceProvider::register PHP Method

    public function register(Application $app)
    {
        if (!isset($app['profiler'])) {
            $app->register(new Silex\Provider\WebProfilerServiceProvider(), ['profiler.cache_dir' => $app['resources']->getPath('cache/profiler'), 'web_profiler.debug_toolbar.enable' => false]);
        }
        $app->register(new DebugToolbarEnabler());
        $app['data_collector.templates'] = $app->share($app->extend('data_collector.templates', function ($templates) {
            // Set the 'bolt' toolbar item as the first one, and overriding the 'Symfony' one.
            array_unshift($templates, ['bolt', '@BoltProfiler/bolt.html.twig']);
            $templates[] = ['db', '@BoltProfiler/db.html.twig'];
            // Hackishly replace the template for the first toolbar item with our own.
            $templates[1][1] = '@BoltProfiler/config.html.twig';
            return $templates;
        }));
        $app['data_collectors'] = $app->share($app->extend('data_collectors', function ($collectors, $app) {
            // @codingStandardsIgnoreStart
            $collectors['bolt'] = $app->share(function ($app) {
                return new BoltDataCollector($app);
            });
            $collectors['db'] = $app->share(function ($app) {
                return new DatabaseDataCollector($app['db.logger']);
            });
            // @codingStandardsIgnoreEnd
            return $collectors;
        }));
        $app['twig.loader.bolt_filesystem'] = $app->share($app->extend('twig.loader.bolt_filesystem', function ($filesystem) {
            $filesystem->addPath('bolt://app/view/toolbar', 'BoltProfiler');
            return $filesystem;
        }));
        $app['db.logger'] = $app->share(function () {
            return new DebugStack();
        });
    }