LessQL\Database::quoteIdentifier PHP Method

    function quoteIdentifier($identifier)
    {
        $delimiter = $this->identifierDelimiter;
        if (empty($delimiter)) {
            return $identifier;
        }
        $identifier = explode(".", $identifier);
        $identifier = array_map(function ($part) use($delimiter) {
            return $delimiter . str_replace($delimiter, $delimiter . $delimiter, $part) . $delimiter;
        }, $identifier);
        return implode(".", $identifier);
    }