note 130954 added to functions.returning-values

<?php declare(strict_types=1); function foo(?int $x): ?int { $x *= 2; } var_dump(foo(10)); // must be NULL? var_dump(foo(null)); // must be NULL? ?> This causes: PHP Fatal error: Uncaught TypeError: foo(): Return value must be of type ?int, none returned in ... PHP 8.2.12 (cli) (built: Oct 24 2023 21:15:15) (ZTS Visual C++ 2019 x64) ---- Server IP: 2a03:b0c0:2:f0:0:1:a983:a001 (proxied: BunnyCDN) Probable Submitter: 84.237.243.138 ---- Manual Page -- https://php.net/manual/en/functions.returning-values.php Edit -- https://main.php.net/note/edit/130954 Del: integrated -- https://main.php.net/note/delete/130954/integrated Del: useless -- https://main.php.net/note/delete/130954/useless Del: bad code -- https://main.php.net/note/delete/130954/bad+code Del: spam -- https://main.php.net/note/delete/130954/spam Del: non-english -- https://main.php.net/note/delete/130954/non-english Del: in docs -- https://main.php.net/note/delete/130954/in+docs Del: other reasons-- https://main.php.net/note/delete/130954 Reject -- https://main.php.net/note/reject/130954 Search -- https://main.php.net/manage/user-notes.php