Ouzo\Db\ParameterPlaceHolderCallback::__invoke PHP Метод

    public function __invoke($matches)
    {
        if ($matches[0] == "'") {
            $this->_quote_count++;
            return "'";
        } elseif (!$this->isInString()) {
            return $this->substituteParam();
        } else {
            return "?";
        }
    }