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Re: [PHP] Null Coalesce Operator and Undefined Indexes

> On Nov 27, 2017, at 11:53 AM, David Harkness <david.h@xxxxxxxxxxxxxxxxx> wrote:
> You must use the ?? operator on the array access before passing it to your
> sanitize() function.
>     $ua       = sanitize($_SERVER['HTTP_USER_AGENT'] ?? null);

	So close... yet so far away. ;)  Thank you, David!

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