Granada\ORM::_quote_identifier_part PHP Method

    protected function _quote_identifier_part($part)
    {
        if ($part === '*') {
            return $part;
        }
        $quote_character = self::$_config[$this->_connection_name]['identifier_quote_character'];
        // double up any identifier quotes to escape them
        return $quote_character . str_replace($quote_character, $quote_character . $quote_character, $part) . $quote_character;
    }