SplDoublyLinkedList::bottom

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::bottom — Peeks at the node from the beginning of the doubly linked list

说锟斤拷

public SplDoublyLinkedList::bottom ( void ) : mixed

锟斤拷锟斤拷

锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷

锟斤拷锟斤拷值

The value of the first node.

锟斤拷锟斤拷锟届常

Throws RuntimeException when the data-structure is empty.