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===DONE=== 37<?php exit(0); ?> 38--EXPECTF-- 390=>2 40->0=>2 41->1=>3 42->2=>4 431=>3 44->0=>2 45->1=>3 46->2=>4 472=>4 48->0=>2 49->1=>3 50->2=>4 51# deleted 520=>2 531=>3 542=>4 55# while popping 560=>2 57popped 4 581=>3 59popped 3 60===DONE=== 61
