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    RecursiveIteratorIterator::key

    (PHP 5, PHP 7, PHP 8)

    RecursiveIteratorIterator::key — Access the current key

    Description

    public RecursiveIteratorIterator::key(): mixed
    Warning

    This function is currently not documented; only its argument list is available.

    Parameters

    This function has no parameters.

    Return Values

    The current key.

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