Next time, we will create a Web service that shields front end PHP code from the back end MySQL system in which the account information is stored.

下次我们将创建一个Web服务，它对前端PHP代码隐藏了存储账号信息的后端MySQL系统。

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In this case, the ZIP code tied to your account or information from your phone's GPS could trigger the service to provide local news or updates about a hometown sports team.

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