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<?php class Item { public static $c = 0; public $i; public function __construct() { $this->i = self::$c; self::$c += 1; } } $collection = new \SplDoublyLinkedList(); $collection->add(0, new Item()); $collection->add(1, new Item()); foreach ($collection as $i=>$item) { echo $i . ' ' . $item->i . "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
0 0 1 1

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