public function get($key, $metadata = false)
    {
        /**
         * get <key>*\r\n
         */

        // Build packet to send ...
        $data = self::COMMAND_GET . self::COMMAND_SEPARATOR   .
            $key                  . self::COMMAND_TERMINATOR;

        $result = $this->send(self::COMMAND_GET, $data);

        // Strip all overhead if no metadata requested!
        if ($metadata === false && $result !== false) {
            $result = array_column($result, 'value', 0);
            $result = $result[0];
        }

        return $result;
    }