Ds\Deque::sum
(PECL ds >= 1.0.0)
Ds\Deque::sum — Returns the sum of all values in the deque.
설명
Returns the sum of all values in the deque.
Note:
Arrays and objects are considered equal to zero when calculating the sum.
인수
이 함수는 인수가 없습니다.
반환값
The sum of all the values in the deque as either a float or int depending on the values in the deque.
예제
Example #1 Ds\Deque::sum() integer example
<?php
$deque = new \Ds\Deque([1, 2, 3]);
var_dump($deque->sum());
?>
위 예제의 출력 예시:
int(6)
Example #2 Ds\Deque::sum() float example
<?php
$deque = new \Ds\Deque([1, 2.5, 3]);
var_dump($deque->sum());
?>
위 예제의 출력 예시:
float(6.5)
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