This listing illustrates an internal iterator (also known as a push iterator because it pushes each element in turn to the code block).

该清单展示了内部迭代器(也称为push迭代器，因为它将每个元素依次推到代码块中)。

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Listing 8 shows how to extend the Configuration class to implement the Iterator interface, which is internal to PHP.

清单8显示了如何扩展configuration类来实现Iterator接口，对于php来说，该接口是内部接口。

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Listing 8 shows how to extend the Configuration class to implement the Iterator interface, which is internal to PHP.

清单8显示了如何扩展configuration类来实现Iterator接口，对于php来说，该接口是内部接口。

youdao