note 68512 added to ref.errorfunc

What it is unknown error code 4096? I get this code when try do this code class a {} function b() { return new a; } echo b(); // Object of class a could not be converted to string ---- Server IP: 66.163.161.117 Probable Submitter: 62.219.160.28 ---- X-Spam-Status: No, hits=3.1 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/ref.errorfunc.php Edit -- https://master.php.net/note/edit/68512 Del: integrated -- https://master.php.net/note/delete/68512/integrated Del: useless -- https://master.php.net/note/delete/68512/useless Del: bad code -- https://master.php.net/note/delete/68512/bad+code Del: spam -- https://master.php.net/note/delete/68512/spam Del: non-english -- https://master.php.net/note/delete/68512/non-english Del: in docs -- https://master.php.net/note/delete/68512/in+docs Del: other reasons-- https://master.php.net/note/delete/68512 Reject -- https://master.php.net/note/reject/68512 Search -- https://master.php.net/manage/user-notes.php