SplDoublyLinkedList
PHP Manual

SplDoublyLinkedList::valid

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::validCheck whether the doubly linked list contains more nodes

Descrição

public bool SplDoublyLinkedList::valid ( void )

Checks if the doubly linked list contains any more nodes.

Parâmetros

Esta função não possui parâmetros.

Valor Retornado

Returns TRUE if the doubly linked list contains any more nodes, FALSE otherwise.


SplDoublyLinkedList
PHP Manual