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Date: Tue, 14 Nov 2023 13:46:06 +0000
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To: Rowan Tommins <rowan.collins@gmail.com>
Subject: Re: [PHP-DEV] Passing null to parameter
From: craig@craigfrancis.co.uk (Craig Francis)

> On 10 Nov 2023, at 20:00, Rowan Tommins <rowan.collins@gmail.com> =
wrote:
> [...] Wherever it is used, "null" is a confusing and often =
controversial concept. In different contexts, it is used for different =
things, and has different ideal behaviours. It's a whole debate on its =
own, and bringing in other types of coercion just confuses the =
conversation.


Thanks for the background detail Rowan, that is useful (I have re-read a =
few times).

I know I won't have a 2/3 support for NULL coercion with function =
parameters, so I'll just wait until 9.0 is made available, and assuming =
I'm correct (hopefully I'm not), we can address the BC problems then.

For now, I'll just try to remember to do things like =
`(trim(strval($search)) !=3D '')`, and hope that static analysis tools =
move their NULL type check down to their lowest level:

https://github.com/phpstan/phpstan/issues/10127

Craig