Php/docs/splqueue.setiteratormode
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SplQueue::setIteratorMode
(PHP 5 >= 5.3.0, PHP 7)
SplQueue::setIteratorMode — Sets the mode of iteration
Description
SplQueue::setIteratorMode
( int $mode
) : void
Parameters
mode
There is only one iteration parameter you can modify.
- 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
Warning
The direction of iteration can not be changed for SplQueues, it is always
SplDoublyLinkedList::IT_MODE_FIFO
.- The behavior of the iterator (either one or the other):
Return Values
No value is returned.
Errors/Exceptions
Throws a RuntimeException on trying to change the direction of iteration by using SplDoublyLinkedList::IT_MODE_LIFO
.