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Date: Thu, 2 Apr 2026 09:25:01 -0500
Message-ID: <CAJp_myVk77UmHP2d-VFsdFsRwSJUG+rsdQhPjPz_F848TO3EeA@mail.gmail.com>
Subject: Re: [PHP-DEV] [RFC] Display Function Arguments in Errors
To: Calvin Buckley <calvin@cmpct.info>
Cc: PHP internals <internals@lists.php.net>
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From: mweierophinney@gmail.com ("Matthew Weier O'Phinney")

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On Wed, Mar 11, 2026 at 10:56=E2=80=AFAM Calvin Buckley <calvin@cmpct.info>=
 wrote:

> Based on the feedback I had from my proposal for function arguments in
> errors last week, I'd like to introduce an RFC for it. Please let me
> know what you think and please raise any possible issues.
>
> https://wiki.php.net/rfc/display_error_function_args
>

Have you done any benchmarking on this? What is the performance impact when
it is enabled versus disabled? That information will be useful if this
passes so that users can understand not just the security impact of having
this information reported in logs, but the performance impact.

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Matthew Weier O'Phinney
mweierophinney@gmail.com
https://mwop.net/
he/him

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<div dir=3D"ltr"><div dir=3D"ltr"><span style=3D"">On Wed, Mar 11, 2026 at =
10:56=E2=80=AFAM Calvin Buckley &lt;<a href=3D"mailto:calvin@cmpct.info">ca=
lvin@cmpct.info</a>&gt; wrote:</span></div><div class=3D"gmail_quote gmail_=
quote_container"><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px =
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Based on=
 the feedback I had from my proposal for function arguments in<br>
errors last week, I&#39;d like to introduce an RFC for it. Please let me<br=
>
know what you think and please raise any possible issues.<br>
<br>
<a href=3D"https://wiki.php.net/rfc/display_error_function_args" rel=3D"nor=
eferrer" target=3D"_blank">https://wiki.php.net/rfc/display_error_function_=
args</a><br></blockquote></div><div><br></div><div>Have you done any benchm=
arking on this? What is the performance impact when it is enabled versus di=
sabled? That information will be useful if this passes so that users can un=
derstand not just the security impact of having this information reported i=
n logs, but the performance impact.</div><div><br></div><span class=3D"gmai=
l_signature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature=
"><div dir=3D"ltr"><div>Matthew Weier O&#39;Phinney<br><a href=3D"mailto:mw=
eierophinney@gmail.com" target=3D"_blank">mweierophinney@gmail.com</a><br><=
a href=3D"https://mwop.net/" target=3D"_blank">https://mwop.net/</a></div><=
div>he/him<br></div></div></div></div>

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