stopSection example

protected function afterDispatch(string $eventName, object $event): void
    {
        switch ($eventName) {
            case KernelEvents::CONTROLLER_ARGUMENTS:
                $this->stopwatch->start('controller', 'section');
                break;
            case KernelEvents::RESPONSE:
                $sectionId = $event->getRequest()->attributes->get('_stopwatch_token');
                if (null === $sectionId) {
                    break;
                }
                $this->stopwatch->stopSection($sectionId);
                break;
            case KernelEvents::TERMINATE:
                // In the special case described in the `preDispatch` method above, the `$token` section                 // does not exist, then closing it throws an exception which must be caught.                 $sectionId = $event->getRequest()->attributes->get('_stopwatch_token');
                if (null === $sectionId) {
                    break;
                }
                try {
                    $this->stopwatch->stopSection($sectionId);
                } catch (\LogicException) {
                }

protected function afterDispatch(string $eventName, object $event)
    {
        switch ($eventName) {
            case KernelEvents::CONTROLLER_ARGUMENTS:
                $this->stopwatch->start('controller', 'section');
                break;
            case KernelEvents::RESPONSE:
                $sectionId = $event->getRequest()->attributes->get('_stopwatch_token');
                if (null === $sectionId) {
                    break;
                }
                $this->stopwatch->stopSection($sectionId);
                break;
            case KernelEvents::TERMINATE:
                // In the special case described in the `preDispatch` method above, the `$token` section                 // does not exist, then closing it throws an exception which must be caught.                 $sectionId = $event->getRequest()->attributes->get('_stopwatch_token');
                if (null === $sectionId) {
                    break;
                }
                try {
                    $this->stopwatch->stopSection($sectionId);
                } catch (\LogicException) {
                }

    public function testSection()
    {
        $stopwatch = new Stopwatch();

        $stopwatch->openSection();
        $stopwatch->start('foo', 'cat');
        $stopwatch->stop('foo');
        $stopwatch->start('bar', 'cat');
        $stopwatch->stop('bar');
        $stopwatch->stopSection('1');

        $stopwatch->openSection();
        $stopwatch->start('foobar', 'cat');
        $stopwatch->stop('foobar');
        $stopwatch->stopSection('2');

        $stopwatch->openSection();
        $stopwatch->start('foobar', 'cat');
        $stopwatch->stop('foobar');
        $stopwatch->stopSection('0');