websocketphp, how to solve it

Back-end development|php tutorial nbsp,websocket,details,6325986,article Backend development-php tutorial websocket php
http://blog.csdn.net/trace332/article/details/6325986 I don’t know how to run it
How can there be two codes in it, one is the socket code and the other is the handshake code, how can the two codes run at the same time?
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You are a reposted article, and there are a lot of problems. No practical value
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