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    SplHeap::key

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    SplHeap::key — Return current node index

    Beschreibung

    public SplHeap::key(): int

    This function returns the current node index

    Parameter-Liste

    Diese Funktion besitzt keine Parameter.

    Rückgabewerte

    The current node index.

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