--TEST-- correct instantiation of references between variables in sessions --SKIPIF-- --INI-- session.use_cookies=0 session.cache_limiter= register_globals=1 session.serialize_handler=php session.save_handler=files --FILE-- a = &$a; } } $a = new a(); $b = new b($a); echo "original values:\n"; var_dump($a,$b); session_register("a"); session_register("b"); session_write_close(); session_unregister("a"); session_unregister("b"); session_start(); echo "values after session:\n"; var_dump($a,$b); ?> --EXPECTF-- PHP Warning: Directive 'register_globals' is deprecated in PHP 5.3 and greater in Unknown on line 0 original values: object(a)#%d (1) { ["test"]=> string(5) "hallo" } object(b)#%d (1) { ["a"]=> &object(a)#%d (1) { ["test"]=> string(5) "hallo" } } Deprecated: Function session_register() is deprecated in %s on line %d Deprecated: Function session_register() is deprecated in %s on line %d Deprecated: Function session_unregister() is deprecated in %s on line %d Deprecated: Function session_unregister() is deprecated in %s on line %d values after session: object(a)#%d (1) { ["test"]=> string(5) "hallo" } object(b)#%d (1) { ["a"]=> &object(a)#%d (1) { ["test"]=> string(5) "hallo" } }