SplHeap::valid
    PHP Manual
    PHP Manual»SplHeap»SplHeap::valid

    SplHeap::valid

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

    SplHeap::valid — Check whether the heap contains more nodes

    说明

    public function SplHeap::valid(): bool

    Checks if the heap contains any more nodes.

    参数

    此函数没有参数。

    返回值

    Returns true if the heap contains any more nodes, false otherwise.

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