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    SplDoublyLinkedList::key

    (PHP 5 >= 5.3.0, PHP 7)

    SplDoublyLinkedList::key — Return current node index

    Opis

    public SplDoublyLinkedList::key ( void ) : mixed

    This function returns the current node index

    Parametry

    Ta funkcja nie posiada parametrów.

    Zwracane wartości

    The current node index.

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