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SplDoublyLinkedList::valid

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

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

Descrizione

public SplDoublyLinkedList::valid(): bool

Checks if the doubly linked list contains any more nodes.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

Returns true if the doubly linked list contains any more nodes, false otherwise.