php MessagePack的解决办法

这篇文章主要为大家详细介绍了php MessagePack的简单示例，具有一定的参考价值，可以用来参考一下。

感兴趣的小伙伴，下面一起跟随php教程的小玲来看看吧！

1，今天在hacknews上看到很多人对messagepack的争论。首先了解什么是MessagePack：MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.

2，MessagePack的主要用途，作者解释说有两大用途：一是Space-efficient storage for Memcache entries (Pinterest)，节省空间类型的mamcache应用；另一个是用于RPC传输， This use case is fairly close to my original intent. When one is designing an RPC system, one of the first tasks is to specify and implement a communication protocol. This process can get pretty hairy as you need to worry about a lot of low-level issues like Endian-ness. By using MessagePack, one can skip designing and implementing a communication protocol entirely and accelerate development.

3,争议的地方是MessagePack的benchmark说，他比protocolBuffer，Json快很多倍。但是有人不相信，做个javasript下的测试（json与messagePack）。发现MessagePack仅是压缩后的数据比json少10%左右，而压缩和解压时间则和json的解析器比起来要费时很多。

4，“MsgPack vs. JSON: Cut your client-server exchange traffic by 50% with one line of code”这篇文章使用了messagePack做服务器的优化，降低服务器的数据量，更加合理的利用带宽。作者强调了他们宁愿浪费客户端的0.5ms—1ms，但是服务器使用ruby的MessagePack解析器，效率能够比JSON快5倍。

The difference to JSON is, that MsgPack is binary-based - this gives the possibility to make the exchanged data a) smaller and use less bytes, I guess we all know the advantages of that, however there is an even bigger advantage: b) It is faster to parse and encode, having a parser parse 40 bytes takes about twice as long as parsing 20 bytes.

代码如下:

 
myJSONString = JSON.stringify(myObject); 
myObject = JSON.parse(myJSONString); 
var myByteArray = msgpack.pack(myObject); 
myObject = msgpack.unpack(myByteArray); 

MessagePack作者也认为MessagePack may not be the best choice for client-side serialization as described by the blog author.引用2的作者有点小悲剧。

5，BSon是Json的二进制形式，但是与JSon有语法不兼容的地方。但是MessagePack保证语义上能够做到一致。

6，场景需求不同，导致技术的应用有所差异。PHP试用MessagePack It's like JSON. but fast and small.这句吸引了我，去瞧了下。官网：http://msgpack.org官方的安装方法忽悠人，msgpack目录下根本没php目录...只看到csharp,erlang,go,java,ruby等目录。

代码如下:

 
git clone https://github.com/msgpack/msgpack.git 
cd msgpack/php 
phpize 
./configure && make && make install 

代码如下:

 
wget http://pecl.php.net/get/msgpack-0.5.2.tgz 
tar zxf msgpack-0.5.2.tgz 
cd msgpack-0.5.2 
/usr/local/hx/php/bin/phpize 
./configure --with-php-config=/usr/local/hx/php/bin/php-config 
make && make install 

1，MessagePack官方网站

2，MsgPack vs. JSON: Cut your client-server exchange traffic by 50% with one line of code

HN评论地址：http://news.ycombinator.com/item?id=4090831

3，My thoughts on MessagePack

HN评论地址：http://news.ycombinator.com/item?id=4092969

4 JS下MessagePack与JSON性能对比

HN评论地址：http://news.ycombinator.com/item?id=4091051

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