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Date: Fri, 21 Nov 2025 20:42:40 +0100
Message-ID: <CAEKnhAFsXpfZy8FQyA4Z9bNyNa26rCCn5GO=oQ274e1K2+GkAw@mail.gmail.com>
Subject: Re: [PHP-DEV] [VOTE] True Async RFC 1.6
To: Edmond Dantes <edmond.ht@gmail.com>
Cc: Deleu <deleugyn@gmail.com>, "Rowan Tommins [IMSoP]" <imsop.php@rwec.co.uk>, internals@lists.php.net
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From: bukka@php.net (Jakub Zelenka)

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On Fri, Nov 21, 2025 at 3:22=E2=80=AFPM Edmond Dantes <edmond.ht@gmail.com>=
 wrote:

> Hello
>
> > how do I keep my project always-sync without risking one of my composer
> packages suddenly calling spawn() and causing bugs I have no idea how to
> even begin to understand?
>
> This idea was mentioned a bit earlier in the discussion. You can use a
> special setting to disable asynchrony. There are many different
> possibilities here. For example, you can tell Composer not to use
> async packages. And so on. You can come up with your own protection
> mechanisms. There is no technical problem here in terms of
> implementation.
> Why not enable asynchronous mode in PHP explicitly through php.ini?
>

I'm not sure if INI is going to be successful. I would bet that it is going
to get rejected as PHP has been moving against introducing INI for language
/ extension behavior changes.

It reminds to some extend the scalar type hints with strict / non strict
discussion that ended up using declare keyword. So maybe async could use it
too and it could be enabled per file in a similar way as strict types. I
haven't thought if it would always make sense for async but for projects
that want to be fully async, it would need to be declared in each file.

Cheers

Jakub

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<div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote g=
mail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Nov 21,=
 2025 at 3:22=E2=80=AFPM Edmond Dantes &lt;<a href=3D"mailto:edmond.ht@gmai=
l.com">edmond.ht@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex">Hello<br>
<br>
&gt; how do I keep my project always-sync without risking one of my compose=
r packages suddenly calling spawn() and causing bugs I have no idea how to =
even begin to understand?<br>
<br>
This idea was mentioned a bit earlier in the discussion. You can use a<br>
special setting to disable asynchrony. There are many different<br>
possibilities here. For example, you can tell Composer not to use<br>
async packages. And so on. You can come up with your own protection<br>
mechanisms. There is no technical problem here in terms of<br>
implementation.<br>
Why not enable asynchronous mode in PHP explicitly through php.ini?<br></bl=
ockquote><div><br></div><div>I&#39;m not sure if INI is going to be success=
ful. I would bet that it is going to get rejected as PHP has been moving ag=
ainst introducing INI for language / extension behavior changes.</div><div>=
<br></div><div>It reminds to some extend the scalar type hints with strict =
/ non strict discussion that ended up using declare keyword. So maybe async=
 could use it too and it could be enabled per file in a similar way as stri=
ct types. I haven&#39;t thought if it would always make sense for async but=
 for projects that want to be fully async, it would need to be declared in =
each file.</div><div><br></div><div>Cheers</div><div><br></div><div>Jakub</=
div><div><br></div><div><br></div></div></div>

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