Longhorn PHP 2019 Schedule

SplDoublyLinkedList::count

(PHP 5 >= 5.3.0, PHP 7)

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

说明

public SplDoublyLinkedList::count ( void ) : 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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