Ds\PriorityQueue::isEmpty
(PECL ds >= 1.0.0)
Ds\PriorityQueue::isEmpty — Returns whether the queue is empty
설명
public bool Ds\PriorityQueue::isEmpty
( void
)
Returns whether the queue is empty.
인수
이 함수는 인수가 없습니다.
반환값
Returns TRUE if the queue is empty, FALSE otherwise.
예제
Example #1 Ds\PriorityQueue::isEmpty() example
<?php
$a = new \Ds\PriorityQueue();
$b = new \Ds\PriorityQueue();
$a->push("a", 5);
$a->push("b", 15);
$a->push("c", 10);
var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>
위 예제의 출력 예시:
bool(false) bool(true)
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