Ds\Deque::shift
(PECL ds >= 1.0.0)
Ds\Deque::shift — Removes and returns the first value.
인수
이 함수는 인수가 없습니다.
반환값
The first value, which was removed.
오류/예외
UnderflowException if empty.
예제
Example #1 Ds\Deque::shift() example
<?php
$deque = new \Ds\Deque(["a", "b", "c"]);
var_dump($deque->shift());
var_dump($deque->shift());
var_dump($deque->shift());
?>
위 예제의 출력 예시:
string(1) "a" string(1) "b" string(1) "c"
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