SplDoublyLinkedList::valid

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

SplDoublyLinkedList::valid — Check whether the doubly linked list contains more nodes

Beschreibung

public SplDoublyLinkedList::valid(): bool

Checks if the doubly linked list contains any more nodes.

Parameter-Liste

Diese Funktion besitzt keine Parameter.

Rückgabewerte

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