[PHP-DEV] Re: [PHP-DEV] [RFC] array_only() and array_except() – Utility functions for array key filtering

[Ben Ramsey]

On 3/4/26 23:23, Muhammed Arshid KV wrote:

Hi,





Thanks.

I think the RFC *“array_only_except”* is ready to move to the voting phase. If there are no further objections or required changes, I would like to proceed with starting the vote.

Unless I've missed something, I don't think the RFC has addressed any of
the feedback from the discussion on this list.

Claude Pache suggested:

It may be interesting to compare with currently available solutions.

And Mick suggested something similar:

the RFC doesn't even acknowledge the fact that PHP already has native functions which serve the exact same purpose

On the list you acknowledged `array_intersect_key()` and
`array_diff_key()`, saying:

the RFC proposes dedicated functions for better readability, less
boilerplate, and potentially better performance and lower memory
usage.

I would have expected all of this to be added to the RFC to provide
further rationale for why these new functions are needed, along with
some numbers to back up the better performance and lower memory usage
claims.

In another reply to the list, you seemed to indicate that you were going
to change the names of the functions in the RFC:

Good point about naming. Making the key-filtering behavior explicit
(e.g., array_only_keys and array_except_keys) improves clarity and
avoids confusion.

Did you decide against changing the names in the RFC? I don't see any
updates to that effect.

I'd like to see the feedback addressed within the RFC before opening it
for a vote. It think it would make the RFC stronger.

Cheers,
Ben

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