SplDoublyLinkedList::valid

(PHP 5 >= 5.3.0, PHP 7)

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

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public SplDoublyLinkedList::valid ( void ) : bool

Checks if the doubly linked list contains any more nodes.

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