Online PHP editor | refs for IPNjZ

<?php $foo = new \StdClass; $bar = new \StdClass; $foo->bar = $bar; $bar->foo = $foo; $array = array('foo' => $foo, 'bar' => $bar); $hash = array(); rwalk($array); function rwalk($array) { if (is_array($array)) { foreach ($array as $key => $value) { if (is_object($value)) { $value = (array) $value; $objHash = spl_object_hash($value); } if (is_array($value) && !in_array($objHash, $hash)) { $hash[] = $objHash; rwalk($value); } } } }