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Date: Fri, 18 Mar 2022 10:02:13 -0400
Message-ID: <CAPKYkKzM6b6T+zxcmNsscgd8BFBD8v480+Z9bduEFYRZmhXdUw@mail.gmail.com>
To: Theodore Brown <theodorejb@outlook.com>
Cc: Tobias Nyholm <tobias.nyholm@gmail.com>, Ilija Tovilo <tovilo.ilija@gmail.com>, 
	PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC][Under discussion] Arbitrary string interpolation
From: chasepeeler@gmail.com (Chase Peeler)

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On Fri, Mar 18, 2022 at 12:49 AM Theodore Brown <theodorejb@outlook.com>
wrote:

> On Thu, Mar 17, 2022 at 5:40 PM Tobias Nyholm <tobias.nyholm@gmail.com>
> wrote:
>
> > On Thu, 17 Mar 2022, 23:27 Ilija Tovilo, <tovilo.ilija@gmail.com> wrote=
:
> >
> >> Hi everyone
> >>
> >> I'd like to start discussion on a new RFC for arbitrary string
> >> interpolation.
> >> https://wiki.php.net/rfc/arbitrary_string_interpolation
> >>
> >> Let me know what you think.
> >
> > That is a cool idea.
> > But I am not a big fan of having code in strings.
> > Wouldn=E2=80=99t this open the door to all kinds of new attacks?
>
> Do you have an example of a new kind of attack this would allow?
> The proposal doesn't enable interpolation of strings coming from
> a database or user input - it only applies to string literals
> directly in PHP code.
>
> Personally I'm really looking forward to having this functionality.
> Just a couple days ago I wanted to call a function in an interpolated
> string, and it was really annoying to have to wrap the function in a
> closure in order to use it.
>
> If this RFC is accepted I'd be able to replace code like this:
>
>     $name =3D "Theodore Brown";
>     $strlen =3D fn(string $string): int =3D> strlen($string);
>     echo "{$name} has a length of {$strlen($name)}.";
>
> with
>
>     $name =3D "Theodore Brown";
>     echo "{$name} has a length of {$:strlen($name)}.";
>
>
Out of curiosity, why not:
$name =3D "Theodore Brown";
echo "{$name} has a length of ".strlen($name).".";

or even
$name =3D "Theodore Brown";
$len =3D strlen($name);
echo "{$name} has a length of {$len}.";




>
> Sincerely,
>
> Theodore
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>
>

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Chase Peeler
chasepeeler@gmail.com

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