note 116605 added to class.splobjectstorage

Please note that SplObjectStorage has a Bug introduced with 5.4.0, breaking object lookup in cloned instances of derived classes that overwrite getHash(). This is a confirmed Bug: https://bugs.php.net/bug.php?id=67582 Example: <?php class MyObjectStorage extends SplObjectStorage { // Overwrite getHash() with just some (working) test-method public function getHash($object) { return get_class($object); } } class TestObject {} $list = new MyObjectStorage(); // No issues if using "new SplObjectStorage()" $list->attach(new TestObject()); foreach($list as $x) var_dump($list->offsetExists($x)); // TRUE $list2 = clone $list; foreach($list2 as $x) var_dump($list2->offsetExists($x)); // FALSE ?> ---- Server IP: 72.52.91.14 Probable Submitter: 80.254.148.67 (proxied: 195.124.18.5) ---- Manual Page -- http://php.net/manual/en/class.splobjectstorage.php Edit -- https://master.php.net/note/edit/116605 Del: integrated -- https://master.php.net/note/delete/116605/integrated Del: useless -- https://master.php.net/note/delete/116605/useless Del: bad code -- https://master.php.net/note/delete/116605/bad+code Del: spam -- https://master.php.net/note/delete/116605/spam Del: non-english -- https://master.php.net/note/delete/116605/non-english Del: in docs -- https://master.php.net/note/delete/116605/in+docs Del: other reasons-- https://master.php.net/note/delete/116605 Reject -- https://master.php.net/note/reject/116605 Search -- https://master.php.net/manage/user-notes.php