--TEST-- SPL: SplObjectStorage serialization & overloading --FILE-- test = $test; } } class MyStorage extends SplObjectStorage { public $bla = 25; public function __construct($bla = 26) { $this->bla = $bla; } } $storage = new MyStorage(); foreach(array(1,2) as $value) { $storage->attach(new TestClass($value)); } var_dump(count($storage)); foreach($storage as $object) { var_dump($object->test); } var_dump($storage); var_dump(serialize($storage)); echo "===UNSERIALIZE===\n"; $storage2 = unserialize(serialize($storage)); var_dump(count($storage2)); foreach($storage2 as $object) { var_dump($object->test); } var_dump($storage2); ?> --EXPECTF-- int(2) int(1) int(2) object(MyStorage)#%d (2) { ["bla"]=> int(26) ["storage":"SplObjectStorage":private]=> array(2) { ["%s"]=> array(2) { ["obj"]=> object(TestClass)#%d (1) { ["test"]=> int(1) } ["inf"]=> NULL } ["%s"]=> array(2) { ["obj"]=> object(TestClass)#%d (1) { ["test"]=> int(2) } ["inf"]=> NULL } } } string(%d) "%s" ===UNSERIALIZE=== int(2) int(1) int(2) object(MyStorage)#%d (2) { ["bla"]=> int(26) ["storage":"SplObjectStorage":private]=> array(2) { ["%s"]=> array(2) { ["obj"]=> object(TestClass)#%d (1) { ["test"]=> int(1) } ["inf"]=> NULL } ["%s"]=> array(2) { ["obj"]=> object(TestClass)#%d (1) { ["test"]=> int(2) } ["inf"]=> NULL } } }