On 22 April 2022 02:02:58 BST, php-internals_nos...@adviesenzo.nl wrote:

>I agree it would be a good idea to run a package analysis, but to be fair, in 
>all honesty that should have been done for the original RFC, which was 
>completely missing an impact analysis.

That's a fair point, but of course "somebody else should have done it already" 
isn't a good excuse not to do it now.


>3. As for the pattern being common or not - the fact that I found it so easily 
>in multiple random projects which I elected to test the sniff against, makes 
>me believe the pattern is not _uncommon_.

Since there has been some misunderstanding, the usage I think we need to look 
for is where a deprecation notice would *not* be useful.  In other words, are 
there people using is_callable in such a way that even if a value like 
"parent::foo" changes from returning "true" to "false", there won't be anything 
that needs changing, because the code is equally "happy" with both return 
values?

I freely admit that I can't think of any such usage off the top of my head, but 
I wouldn't have thought of some of the examples already raised either.

If an actual search fails to find such usages, or provides evidence that it is 
very rare, then I am absolutely in favour of adding a deprecation notice.

Regards,

-- 
Rowan Tommins
[IMSoP]

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