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<?php class ArrayAsKeyIterator extends IteratorIterator { public function key() { return array('1', parent::key()); } } $it = new ArrayAsKeyIterator(new ArrayIterator(range(0, 1))); iterator_count($it); $it->rewind(); $it->key(); var_dump($it->current(), $it->key()); $array = iterator_to_array($it, FALSE); // because it is wrapped into an iterator iterator, see: $itit = new IteratorIterator($it); $array = iterator_to_array($itit, FALSE);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of ArrayAsKeyIterator::key() should either be compatible with IteratorIterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/7mIvr on line 4 int(0) array(2) { [0]=> string(1) "1" [1]=> int(0) }

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