--TEST-- Bug #31926 (php in free() error with RecursiveArrayIterator) --FILE-- <?php $array = array(0 => array('world')); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($array)); foreach($it as $key => $val) { var_dump($key, $val); } ?> --EXPECT-- int(0) string(5) "world"