Re: Allowing NULL for some internal functions
| From: | Christoph M. Becker | Date: | Mon, 28 Feb 2022 21:05:40 +0000 |
| Subject: | Re: Allowing NULL for some internal functions | ||
| References: | 1 2 3 4 5 6 7 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-117169@lists.php.net to get a copy of this message | ||
On 28.02.2022 at 21:51, Craig Francis wrote:
> And after all of this, no-one has come up with a way to find or address
> this problem, e.g.
>
> <?php
> $nullable = ($_GET['a'] ?? NULL);
> echo htmlentities($nullable);
> ?>
<?php
function my_htmlentities(string|null $value) {
return htmlentities($value ?? "");
}
$nullable = ($_GET['a'] ?? NULL);
echo my_htmlentities($nullable);
?>
The BC break doesn't appear to be that serious after all.
--
Christoph M. Becker