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Date: Wed, 18 Jun 2025 11:24:25 +0200
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Subject: Re: [PHP-DEV] [RFC] [Discussion] #[\DelayedTargetValidation] attribute
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From: rob@bottled.codes ("Rob Landers")

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On Wed, Jun 18, 2025, at 01:26, Daniel Scherzer wrote:
> Hi internals,
>=20
> I'd like to start the discussion for a new RFC about adding a `#[\Dela=
yedTargetValidation]` attribute.
>=20
> * RFC: https://wiki.php.net/rfc/delayedtargetvalidation_attribute
> * Implementation: https://github.com/php/php-src/pull/18817
>=20
> --Daniel

Interesting. I=E2=80=99d also argue for the inverse more than this, thou=
gh. I=E2=80=99d like for my attributes to be validated during compilatio=
n instead of delayed to runtime -- which, it isn=E2=80=99t actually. Run=
time validation ONLY happens when calling ->newInstance() on ReflectionA=
ttribute, and never before then. So, only when an attribute is actually =
read during reflection is it validated. Further, if you never actually i=
nstantiate it ... it is never actually validated (i.e., just looking for=
 the presence of an attribute, not the details).

https://3v4l.org/UqQKi

=E2=80=94 Rob
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<!DOCTYPE html><html><head><title></title></head><body><div>On Wed, Jun =
18, 2025, at 01:26, Daniel Scherzer wrote:</div><blockquote type=3D"cite=
" id=3D"qt" style=3D""><div dir=3D"ltr"><div>Hi internals,</div><div><br=
></div><div>I'd like to start the discussion for a new RFC about adding =
a `#[\DelayedTargetValidation]` attribute.</div><div><br></div><div>* RF=
C:&nbsp;<a href=3D"https://wiki.php.net/rfc/delayedtargetvalidation_attr=
ibute">https://wiki.php.net/rfc/delayedtargetvalidation_attribute</a></d=
iv><div>* Implementation:&nbsp;<a href=3D"https://github.com/php/php-src=
/pull/18817">https://github.com/php/php-src/pull/18817</a></div><div><br=
></div><div>--Daniel</div></div></blockquote><div><br></div><div>Interes=
ting. I=E2=80=99d also argue for the inverse more than this, though. I=E2=
=80=99d like for my attributes to be validated during compilation instea=
d of delayed to runtime -- which, it isn=E2=80=99t actually. Runtime val=
idation ONLY happens when calling -&gt;newInstance() on ReflectionAttrib=
ute, and never before then. So, only when an attribute is actually read =
during reflection is it validated. Further, if you never actually instan=
tiate it ... it is never actually validated (i.e., just looking for the =
presence of an attribute, not the details).</div><div><br></div><div><a =
href=3D"https://3v4l.org/UqQKi">https://3v4l.org/UqQKi</a></div><div><br=
></div><div id=3D"sig121229152">=E2=80=94 Rob</div></body></html>
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