Strava\API\Service\REST::getActivityComments PHP Method

    public function getActivityComments($id, $markdown = null, $page = null, $per_page = null)
    {
        $path = '/activities/' . $id . '/comments';
        $parameters = array('markdown' => $markdown, 'page' => $page, 'per_page' => $per_page);
        $result = $this->adapter->get($path, $parameters, $this->getHeaders());
        return $this->format($result);
    }