SplDoublyLinkedList::count
(PHP 5 >= 5.3.0)
SplDoublyLinkedList::count — Counts the number of elements in the doubly linked list.
說明
public int SplDoublyLinkedList::count
( void
)
參數
此函式沒有參數。
回傳值
Returns the number of elements in the doubly linked list.
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