SplDoublyLinkedList::count
(PHP 5 >= 5.3.0, PHP 7)
SplDoublyLinkedList::count — Counts the number of elements in the doubly linked list.
설명
public int SplDoublyLinkedList::count
( void
)
인수
이 함수는 인수가 없습니다.
반환값
Returns the number of elements in the doubly linked list.
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