PHP结合Python语言开发网站
如何在PHP代码中执行Python，我们一般是通过php的exec或者system来执行命令。其实还可以通过socket通信调用python。
可以参考这里，
http://code.google.com/p/ppython/
https://github.com/GoldenAges/ppython
其实思路是很简单的。
这个简单的ppython可以让PHP调用Python代码，诱惑力还是相当的大的，用作者的话来说是结合使用PHP和Python两种语言，取其所长、补其所短，面向企业WEB领域的开发技术。
此技术可以理解为PHP和Python相结合的技术，也可称为PHP和Python混合编程技术，或者PHP调用Python服务的技术，也有人习惯称之为前台PHP后台Python的技术框架。
代码也很简洁，将调用Python的模块，函数，参数等序列化，通过socket发送给Python，然后Python反序列化后通过exec执行获取结果，并把结果发送出去。
上面代码时运行在python3.x上的，平时开发是python2.x，代码移植到python2.x上，主要就是两点：
1.异常 python3.x 使用as关键字
2.python3.x 将str和byte分开了
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