Jamm\Memory\RedisServer::_read_reply PHP Method

    protected function _read_reply()
    {
        $server_reply = fgets($this->connection);
        if ($server_reply === false) {
            if (!$this->connect($this->host, $this->port)) {
                return false;
            } else {
                $server_reply = fgets($this->connection);
                if (empty($server_reply)) {
                    $this->repeat_reconnected = true;
                    return false;
                }
            }
        }
        $reply = trim($server_reply);
        $response = null;
        /**
         * Thanks to Justin Poliey for original code of parsing the answer
         * https://github.com/jdp
         * Error was fixed there: https://github.com/jamm/redisent
         */
        switch ($reply[0]) {
            /* Error reply */
            case '-':
                $this->reportError('error: ' . $reply);
                return false;
                /* Inline reply */
            /* Inline reply */
            case '+':
                return substr($reply, 1);
                /* Bulk reply */
            /* Bulk reply */
            case '$':
                if ($reply == '$-1') {
                    return null;
                }
                $response = null;
                $size = intval(substr($reply, 1));
                if ($size > 0) {
                    $response = stream_get_contents($this->connection, $size);
                }
                fread($this->connection, 2);
                /* discard crlf */
                break;
                /* Multi-bulk reply */
            /* Multi-bulk reply */
            case '*':
                $count = substr($reply, 1);
                if ($count == '-1') {
                    return null;
                }
                $response = array();
                for ($i = 0; $i < $count; $i++) {
                    $response[] = $this->_read_reply();
                }
                break;
                /* Integer reply */
            /* Integer reply */
            case ':':
                return intval(substr($reply, 1));
                break;
            default:
                $this->reportError('Non-protocol answer: ' . print_r($server_reply, 1));
                return false;
        }
        return $response;
    }