Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:129064
Precedence: list
MIME-Version: 1.0
Date: Tue, 04 Nov 2025 09:50:19 +0100
To: Bruce Weirdan <weirdan@gmail.com>
Cc: Seifeddine Gmati <azjezz@carthage.software>, internals@lists.php.net
Subject: Re: [PHP-DEV] [RFC][Discussion] use construct (Block Scoping)
In-Reply-To: <CA+hqhpdr=_X59PQnkHfkL2GH8miL7OWYvcaRW0f8CPtMPis4cA@mail.gmail.com>
References: <CAFyg4HhrzQrE-q8D6WVkyq9tY+hzR=8rXiXLDPYpNKdYeydrVA@mail.gmail.com>
 <CA+hqhpdr=_X59PQnkHfkL2GH8miL7OWYvcaRW0f8CPtMPis4cA@mail.gmail.com>
Message-ID: <569e4b5f886b0fa2c205a0eae881105c@bastelstu.be>
Content-Type: text/plain; charset=UTF-8;
 format=flowed
Content-Transfer-Encoding: 8bit
From: tim@bastelstu.be (=?UTF-8?Q?Tim_D=C3=BCsterhus?=)

Hi

Am 2025-11-04 07:08, schrieb Bruce Weirdan:
> What would happen to the variables introduced in the statements
> block, rather than in `use()`? Will they still be available outside of 
> the
> block?

Yes. The construct only affects the variables listed in the “declaration 
list”. I have adjusted the “simple example” to introduce a new variable 
`$z` that is initially defined in the block, but not listed in the 
declaration list to make that clearer.

> ```php
> use () {
>   $number = 42;
> }
> var_dump($number); // what happens here?
> ```
> 
> Also, is an empty list of vars in `use` (as in the example above) 
> allowed?

That is a syntax error (unexpected `)`).

Best regards
Tim Düsterhus