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    SplHeap::top

    (PHP 5 >= 5.3.0, PHP 7)

    SplHeap::top — Peeks at the node from the top of the heap

    설명

    public mixed SplHeap::top ( void )

    인수

    이 함수는 인수가 없습니다.

    반환값

    The value of the node on the top.

    오류/예외

    Throws RuntimeException when the data-structure is empty.

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