SplPriorityQueue::valid
(PHP 5 >= 5.3.0, PHP 7)
SplPriorityQueue::valid — Check whether the queue contains more nodes
설명
public bool SplPriorityQueue::valid
( void
)
Checks if the queue contains any more nodes.
인수
이 함수는 인수가 없습니다.
반환값
Returns TRUE if the queue contains any more nodes, FALSE otherwise.
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