SplDoublyLinkedList::valid

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

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

public SplDoublyLinkedList::valid(): bool

Checks if the doubly linked list contains any more nodes.

This function has no parameters.

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

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