In the overriding function, we are wrapping the DIV element around the delimited list of links and returning the resulting string.

在覆盖的函数中，我们在链接列表外边加上DIV元素并返回产生的字符串。

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Avoid wrapping filtering columns within a function in the WHERE clause.

在WHERE子句的函数中避免封装过滤列。

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You need to trace user input through existing code to see if the application behaves securely, instead of wrapping every variable you see in a validation function.

您需要通过现有代码来跟踪用户输入，而不能用验证函数包装您看到的每个变量。

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