SplDoublyLinkedList::top

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

SplDoublyLinkedList::topPeeks at the node from the end of the doubly linked list

Description

public SplDoublyLinkedList::top(): mixed

Parameters

This function has no parameters.

Return Values

The value of the last node.

Errors/Exceptions

Throws RuntimeException when the data-structure is empty.