note 127109 added to class.iterator

WARNING : due to new PhP 8 feature, "internal method return type" Example of the documentation and All comment before 2022 on this page are raising some Deprecated warning, or fatal error on PhP 9.0 You now have to type all your return implementation: Example for key() you must add ": mixed", else it will raise on PhP8.1 : Return type of myIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice. <?php public function key(): mixed { var_dump(__METHOD__); return $this->position; } ?> Please note the adding the [#\ReturnTypeWillChange] is not a long term solution, as PhP 9.0 will raise a fatal and not a warning. ---- Server IP: 45.112.84.4 Probable Submitter: 185.85.3.47 (proxied: 87.98.137.70) ---- Manual Page -- https://php.net/manual/en/class.iterator.php Edit -- https://main.php.net/note/edit/127109 Del: integrated -- https://main.php.net/note/delete/127109/integrated Del: useless -- https://main.php.net/note/delete/127109/useless Del: bad code -- https://main.php.net/note/delete/127109/bad+code Del: spam -- https://main.php.net/note/delete/127109/spam Del: non-english -- https://main.php.net/note/delete/127109/non-english Del: in docs -- https://main.php.net/note/delete/127109/in+docs Del: other reasons-- https://main.php.net/note/delete/127109 Reject -- https://main.php.net/note/reject/127109 Search -- https://main.php.net/manage/user-notes.php