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Date: Mon, 28 Feb 2022 23:11:36 +0100
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To: php internals <internals@lists.php.net>
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Message-ID: <3665C848-B4C3-4528-AEFA-02C868748AA8@cschneid.com>
Subject: Re: [PHP-DEV] Allowing NULL for some internal functions
From: cschneid@cschneid.com (Christian Schneider)

Am 28.02.2022 um 22:05 schrieb Christoph M. Becker <cmbecker69@gmx.de>:
> On 28.02.2022 at 21:51, Craig Francis wrote:
>=20
>> And after all of this, no-one has come up with a way to find or =
address
>> this problem, e.g.
>>=20
>> <?php
>>  $nullable =3D ($_GET['a'] ?? NULL);
>>  echo htmlentities($nullable);
>> ?>
>=20
> <?php
> function my_htmlentities(string|null $value) {
>    return htmlentities($value ?? "");
> }
>=20
> $nullable =3D ($_GET['a'] ?? NULL);
> echo my_htmlentities($nullable);
> ?>
>=20
> The BC break doesn't appear to be that serious after all.

I'm not sure I get your point here: If you provide a user-land =
implementation of the previous behavior under a different name then the =
BC break cannot be serious?

- Chris