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SplDoublyLinkedList::count

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplDoublyLinkedList::countCounts the number of elements in the doubly linked list

说明

public SplDoublyLinkedList::count(): int

参数

此函数没有参数。

返回值

Returns the number of elements in the doubly linked list.

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