The idea is similar in the other four functions, as shown in Listing 7.

该思想在其他四个函数中类似，如清单7所示。

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Because these four functions require access to the database, a PHP file is created to provide the necessary database functions.

因为这四个功能都需要访问数据库，所以创建一个PHP文件来提供必需的数据库功能。

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With the knowledge economy appearing and the informational times coming, modern accounting also extends four functions: forecast, decision, control and analysis.

随着知识经济的出现和信息时代的到来，现代会计又扩大了预测、决策、控制和分析四个职能。

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It packs four functions into one small, sleek device.

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Since spring 2012, one of Black Paris Tours' four guides functions as a "nightlife coordinator" for guests who want to experience Paris after dark.

CNN: STORY HIGHLIGHTS

But if an organization that runs four separate application delivery functions, for example, could consolidate them on a single application delivery controller, it could reduce the total number of devices from eight to two.

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