--TEST-- Don't emit zval has unknown type 0 (IS_UNDEF) --FILE-- x); unset($this->y); unset($this->z); $this->set = 'setVal'; $this->priv = null; $this->omitted = 'otherVal'; return ['kept', 'x', 'y', 'z', 'set', 'priv']; } } error_reporting(E_ALL); // TODO: emit 'Notice: igbinary_serialize(): "x" returned as member variable from __sleep() but does not exist' instead. $serialized = igbinary_serialize(new MyClass()); echo bin2hex($serialized) . "\n"; var_export_normalized(igbinary_unserialize($serialized)); echo "\n"; ?> --EXPECTF-- Notice: igbinary_serialize(): "x" returned as member variable from __sleep() but does not exist in %s on line 25 Notice: igbinary_serialize(): "y" returned as member variable from __sleep() but does not exist in %s on line 25 Notice: igbinary_serialize(): "z" returned as member variable from __sleep() but does not exist in %s on line 25 0000000217074d79436c617373140611046b6570740602110178001104002a007900110a004d79436c617373007a001106002a00736574110673657456616c110d004d79436c617373007072697600 MyClass::__set_state(array( 'kept' => 2, 'x' => NULL, 'y' => NULL, 'z' => NULL, 'set' => 'setVal', 'priv' => NULL, 'omitted' => 'myVal', ))