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Date: Sat, 16 Nov 2024 15:43:21 +0400
Message-ID: <CAPyeZ4MW2sTEAYNkpiYT+_FygyJecNXu-R7F1JytHwr1wvZCKw@mail.gmail.com>
Subject: Re: [PHP-DEV] Optional interfaces
To: Rob Landers <rob@bottled.codes>
Cc: php internals <internals@lists.php.net>
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From: udaltsov.valentin@gmail.com (Valentin Udaltsov)

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On Sat, 16 November 2024 at 13:42 Rob Landers <rob@bottled.codes> wrote:

> On Sat, Nov 16, 2024, at 10:02, Juris Evertovskis wrote:
>
> Is there some reason you cannot do this:
>
>
>
> https://3v4l.org/hF1vr
>
>
>
> Unless I=E2=80=99m missing something, you can=E2=80=99t patch-define a na=
mespaced
> OptionalInterface that easily.
>
>
>
> Anyway, I was not implying this is something impossible to accomplish. My
> point is that it would be beneficial to have syntax for expressing =E2=80=
=9Cif your
> app has this interface, our class implements it=E2=80=9D.
>
>
>
> Juris
>
>
> Yeah, I get it now (see my reply to Marco).
>
> Even with namespaces, it is pretty straightforward, though:
> https://3v4l.org/dmXoB
>
> =E2=80=94 Rob
>

This is a nice solution.

However, interface_exists should be used for interfaces.

--
Valentin

>

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<div dir=3D"auto"><div><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D=
"gmail_attr">On Sat, 16 November 2024 at 13:42 Rob Landers &lt;rob@bottled.=
codes&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u><div><div>O=
n Sat, Nov 16, 2024, at 10:02, Juris Evertovskis wrote:<br></div><blockquot=
e type=3D"cite" id=3D"m_-780998519247956315qt"><div><div><p class=3D"m_-780=
998519247956315qt-MsoNormal" style=3D"margin-left:36pt">Is there some reaso=
n you cannot do this:<br></p></div><div><p class=3D"m_-780998519247956315qt=
-MsoNormal" style=3D"margin-left:36pt">=C2=A0<br></p></div><div><p class=3D=
"m_-780998519247956315qt-MsoNormal" style=3D"margin-left:36pt"><a href=3D"h=
ttps://3v4l.org/hF1vr" target=3D"_blank" rel=3D"noreferrer">https://3v4l.or=
g/hF1vr</a><br></p></div><div><p class=3D"m_-780998519247956315qt-MsoNormal=
">=C2=A0<br></p></div><div id=3D"m_-780998519247956315qt-sig121229152"><p c=
lass=3D"m_-780998519247956315qt-MsoNormal">Unless I=E2=80=99m missing somet=
hing, you can=E2=80=99t patch-define a namespaced OptionalInterface that ea=
sily.<br></p><p class=3D"m_-780998519247956315qt-MsoNormal">=C2=A0<br></p><=
p class=3D"m_-780998519247956315qt-MsoNormal">Anyway, I was not implying th=
is is something impossible to accomplish. My point is that it would be bene=
ficial to have syntax for expressing =E2=80=9Cif your app has this interfac=
e, our class implements it=E2=80=9D.<br></p><p class=3D"m_-7809985192479563=
15qt-MsoNormal">=C2=A0<br></p><p class=3D"m_-780998519247956315qt-MsoNormal=
">Juris<span style=3D"font-size:11pt"></span><br></p></div></div></blockquo=
te><div><br></div><div>Yeah, I get it now (see my reply to Marco).<br></div=
><div><br></div><div>Even with namespaces, it is pretty straightforward, th=
ough:=C2=A0<a href=3D"https://3v4l.org/dmXoB" target=3D"_blank" rel=3D"nore=
ferrer">https://3v4l.org/dmXoB</a><br></div><div><br></div><div id=3D"m_-78=
0998519247956315sig121229152">=E2=80=94 Rob<br></div></div></blockquote></d=
iv></div><div dir=3D"auto"><br></div><div dir=3D"auto">This is a nice solut=
ion.</div><div dir=3D"auto"><br></div><div dir=3D"auto">However, interface_=
exists should be used for interfaces.</div><div dir=3D"auto"><br></div><div=
 dir=3D"auto">--</div><div dir=3D"auto">Valentin</div><div dir=3D"auto"><di=
v class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0=
 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div id=3D"m_-7=
80998519247956315sig121229152"></div></div></blockquote></div></div></div>

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