PHP 8.1.0 Alpha 1 available for testing

SplPriorityQueue::valid

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

SplPriorityQueue::validCheck whether the queue contains more nodes

说明

public SplPriorityQueue::valid ( ) : bool

Checks if the queue contains any more nodes.

参数

此函数没有参数。

返回值

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

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