1--TEST-- 2SPL: DoublyLinkedList: iterator modes 3--FILE-- 4<?php 5$dll = new SplDoublyLinkedList(); 6$dll->push(2); 7$dll->push(3); 8$dll->push(4); 9 10$dll->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO); 11 12foreach ($dll as $k => $v) { 13 echo "$k=>$v\n"; 14} 15 16$dll->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO); 17foreach ($dll as $k => $v) { 18 echo "$k=>$v\n"; 19} 20 21$dll->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_DELETE); 22var_dump($dll->count()); 23foreach ($dll as $k => $v) { 24 echo "$k=>$v\n"; 25} 26var_dump($dll->count()); 27 28?> 29--EXPECT-- 302=>4 311=>3 320=>2 330=>2 341=>3 352=>4 36int(3) 370=>2 380=>3 390=>4 40int(0) 41
