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    SplPriorityQueue::top

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

    SplPriorityQueue::top — Peeks at the node from the top of the queue

    说明

    public SplPriorityQueue::top(): mixed

    参数

    此函数没有参数。

    返回值

    The value or priority (or both) of the top node, depending on the extract flag.

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