PHP 8.1.0 RC 4 available for testing

SplHeap::valid

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

SplHeap::validCheck whether the heap contains more nodes

说明

public 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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