League\CommonMark\Inline\Parser\CloseBracketParser::tryParseInlineLinkAndTitle PHP Метод

    protected function tryParseInlineLinkAndTitle(Cursor $cursor)
    {
        if ($cursor->getCharacter() !== '(') {
            return false;
        }
        $previousState = $cursor->saveState();
        $cursor->advance();
        $cursor->advanceToFirstNonSpace();
        if (($dest = LinkParserHelper::parseLinkDestination($cursor)) === null) {
            $cursor->restoreState($previousState);
            return false;
        }
        $cursor->advanceToFirstNonSpace();
        $title = null;
        // make sure there's a space before the title:
        if (preg_match(RegexHelper::REGEX_WHITESPACE_CHAR, $cursor->peek(-1))) {
            $title = LinkParserHelper::parseLinkTitle($cursor) ?: '';
        }
        $cursor->advanceToFirstNonSpace();
        if ($cursor->match('/^\\)/') === null) {
            $cursor->restoreState($previousState);
            return false;
        }
        return ['url' => $dest, 'title' => $title];
    }