Re: [RFC][Discussion] use construct (Block Scoping)

On Tue, Nov 4, 2025, at 14:59, Rob Landers wrote: > On Mon, Nov 3, 2025, at 22:46, Seifeddine Gmati wrote: >> Hello internals, >> >> Tim and I would like to open the discussion on our new RFC that we've been working on: >> "use construct (Block Scoping)". >> >> We wanted to raise a few initial points: >> >> • The RFC proposes the `use keyword. >> What are your thoughts on a new using` keyword >> instead, similar to C# or Hack? >> >> • How do you feel about the questions raised in the "Open Issues" section? >> >> • What are your general thoughts on the RFC? >> >> Please find the following resources for your reference: >> >> • RFC: https://wiki.php.net/rfc/optin_block_scoping >> >> • POC: >> https://github.com/php/php-src/compare/master...TimWolla:php-src:block-scope >> >> Thanks, >> >> Seifeddine Gmati. >> > > Hello, > > One thing that isn't clear with this RFC is what happens to things redefined in the scope? > > $a = 10; > > use ($a = 5) { > var_dump($a); > } > > var_dump($a); // unset or 10? > > — Rob lol, I just saw "open issues" ... so, never mind. I like option B. — Rob