On Sat, Nov 25, 2017 at 9:12 AM, Jennifer <jennifer@xxxxxxxxxxxxxxxxxxxx>
wrote:
> I'm using PHP 7.1 now and just changed some code to use the Null
> Coalesce Operator, like so:
>
> $ua = sanitize($_SERVER['HTTP_USER_AGENT']) ?? null;
>
You must use the ?? operator on the array access before passing it to your
sanitize() function.
$ua = sanitize($_SERVER['HTTP_USER_AGENT'] ?? null);
Cheers,
David
