--TEST-- Serialization of RC1 objects appearing in object graph twice --FILE-- a = [$end]; $root->b = $root->a; unset($end); echo serialize($root), "\n"; } function rcn_rc1() { $root = new stdClass; $end = new stdClass; $root->a = [[$end]]; $root->b = $root->a; unset($end); echo serialize($root), "\n"; } function rcn_properties_ht() { $object = new stdClass; $object->object = new stdClass; $array = (array) $object; $root = [$object, $array]; unset($object); unset($array); echo serialize($root), "\n"; } rcn(); rcn_rc1(); rcn_properties_ht(); ?> --EXPECT-- O:8:"stdClass":2:{s:1:"a";a:1:{i:0;O:8:"stdClass":0:{}}s:1:"b";a:1:{i:0;r:3;}} O:8:"stdClass":2:{s:1:"a";a:1:{i:0;a:1:{i:0;O:8:"stdClass":0:{}}}s:1:"b";a:1:{i:0;a:1:{i:0;r:4;}}} a:2:{i:0;O:8:"stdClass":1:{s:6:"object";O:8:"stdClass":0:{}}i:1;a:1:{s:6:"object";r:3;}}