public function sanitizeComments($comments)
    {
        $sanitizers = $this->_comment_sanitizer;

        if (isset($sanitizers['format'])) {
            $sanitizers['format'] = $this->_repository
                                         ->getValidator()
                                         ->getFilter($sanitizers['format']);
        }

        foreach ($comments as $comment) {
            $comment->sanitizeData('body', $sanitizers);
        }
    }