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Date: Tue, 10 May 2016 14:26:33 -0600
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To: Lester Caine <lester@lsces.co.uk>
Cc: internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Re: [RFC][VOTE] Nullable Types
From: levim@php.net (Levi Morrison)

On Tue, May 10, 2016 at 1:13 PM, Lester Caine <lester@lsces.co.uk> wrote:
> On 10/05/16 17:27, Levi Morrison wrote:
>> Voting will close on Friday, May 20th, 2016 sometime in the evening of UTC-6.
>
> Quick question ... if I simply strip this extra '?' if some library has
> added it will it actually make any difference to the results?
> I still think the whole concept of 'null' needs much better
> documentation in relation to how it fits in generally.
>
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> Lester Caine - G8HFL
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It can affect the results.

    function foo(?Foo $param) {}

If any code out there is calling foo with null then that code will now
break if you remove the question mark.