Use a global document variable against which XPath expressions are evaluated, and create a function to which you can pass an expression.

使用一个全局文档变量来定义进行判断的XPath表达式，并创建一个接收表达式的函数。

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In this final step, you create a view and function on top of the CUSTOMER_INFO table.

在最后一步中，您在customer_info表的基础上创建了一个视图和函数。

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One of the mitigations is that LAMP application servers are generally dedicated to a particular function, and users can't create the potentially dangerous symbolic links.

缓解风险的措施之一是 LAMP 应用服务器通常专注于一种具体功能，用户无法创建危险的符号连接。

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