--TEST-- SPL: SplObjectStorage serialization & overloading --SKIPIF-- <?php if (!extension_loaded("spl")) print "skip"; ?> --FILE-- <?php class TestClass { public $test = 25; public function __construct($test = 42) { $this->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); ?> ===DONE=== <?php exit(0); ?> --EXPECTF-- int(2) int(1) int(2) object(MyStorage)#%d (1) { ["bla"]=> int(26) } string(%d) "%s" ===UNSERIALIZE=== int(2) int(1) int(2) object(MyStorage)#%d (1) { ["bla"]=> int(26) } ===DONE===