Re: Null Coalesce Operator and Undefined Indexes
| From: | David Harkness | Date: | Mon, 27 Nov 2017 19:53:37 +0000 |
| Subject: | Re: Null Coalesce Operator and Undefined Indexes | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-326277@lists.php.net to get a copy of this message | ||
On Sat, Nov 25, 2017 at 9:12 AM, Jennifer <jennifer@superiorshelving.com>
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