SplPriorityQueue::isEmpty
(PHP 5 >= 5.3.0, PHP 7)
SplPriorityQueue::isEmpty — Checks whether the queue is empty.
설명
public bool SplPriorityQueue::isEmpty
( void
)
인수
이 함수는 인수가 없습니다.
반환값
Returns whether the queue is empty.
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