SplDoublyLinkedList::setIteratorMode

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::setIteratorMode — Sets the mode of iteration

public void SplDoublyLinkedList::setIteratorMode ( int $mode )

mode

There are two orthogonal sets of modes that can be set:

The direction of the iteration (either one or the other):
- SplDoublyLinkedList::IT_MODE_LIFO (Stack style)
- SplDoublyLinkedList::IT_MODE_FIFO (Queue style)
The behavior of the iterator (either one or the other):
- SplDoublyLinkedList::IT_MODE_DELETE (Elements are deleted by the iterator)
- SplDoublyLinkedList::IT_MODE_KEEP (Elements are traversed by the iterator)

The default mode is: SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_KEEP

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