1--TEST-- 2SPL: DoublyLinkedList: iterators 3--FILE-- 4<?php 5$dll = new SplDoublyLinkedList(); 6$dll->push(2); 7$dll->push(3); 8$dll->push(4); 9 10$dll2 = clone $dll; 11 12// std iterator 13foreach($dll as $k=>$v) { 14 echo "$k=>$v\n"; 15 // inner iterator 16 foreach($dll as $k2=>$v2) { 17 echo "->$k2=>$v2\n"; 18 } 19} 20 21echo "# deleted\n"; 22 23foreach($dll as $k=>$v) { 24 echo "$k=>$v\n"; 25 unset($dll); 26} 27 28echo "# while popping\n"; 29 30foreach($dll2 as $k=>$v) { 31 echo "$k=>$v\n"; 32 echo "popped ".$dll2->pop()."\n"; 33} 34 35?> 36--EXPECT-- 370=>2 38->0=>2 39->1=>3 40->2=>4 411=>3 42->0=>2 43->1=>3 44->2=>4 452=>4 46->0=>2 47->1=>3 48->2=>4 49# deleted 500=>2 511=>3 522=>4 53# while popping 540=>2 55popped 4 561=>3 57popped 3 58
