SplDoublyLinkedList
PHP Manual

SplDoublyLinkedList::bottom

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::bottomPeeks at the node from the beginning of the doubly linked list

说明

public mixed SplDoublyLinkedList::bottom ( void )

参数

此函数没有参数。

返回值

The value of the first node.

错误/异常

Throws RuntimeException when the data-structure is empty.


SplDoublyLinkedList
PHP Manual