Habari\UUID::get_hex PHP Метод

    public function get_hex()
    {
        $uuid_hex = '';
        for ($i = 0; $i < 16; $i++) {
            if (4 == $i || 6 == $i || 8 == $i || 10 == $i) {
                $uuid_hex .= '-';
            }
            $uuid_hex .= sprintf('%02x', $this->uuid[$i]);
        }
        return $uuid_hex;
    }