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    Return current node index
    SplHeap
    PHP Manual

    SplHeap::key

    (No version information available, might be only in CVS)

    SplHeap::key — Return current node index

    Description

    mixed SplHeap::key ( void )

    This function returns the current node index

    Parameters

    This function has no parameters.

    Return Values

    The current node index.

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