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    NoRewindIterator::key

    (PHP 5 >= 5.1.0, PHP 7, PHP 8)

    NoRewindIterator::key — Get the current key

    说明

    public NoRewindIterator::key(): mixed

    Gets the current key.

    警告

    本函数还未编写文档，仅有参数列表。

    参数

    此函数没有参数。

    返回值

    The current key.

    参见

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