Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:117382
MIME-Version: 1.0
References: <CAPyj-LCXYjsjtDr1zPmH6t37pQS7aeGACG6kCex=fnsEJmNmVg@mail.gmail.com>
 <CADyq6sJP9A2UaLs5v8qJutNoekUfA1eM0gCod=9zEXhxctZppA@mail.gmail.com>
 <4AC60E84-B2AD-43F4-9B72-92604FC7BD41@gmail.com> <BN7PR05MB4033507F8061F8EF2288B483DE139@BN7PR05MB4033.namprd05.prod.outlook.com>
 <CAPKYkKzM6b6T+zxcmNsscgd8BFBD8v480+Z9bduEFYRZmhXdUw@mail.gmail.com> <BN7PR05MB403389EA9B8A008CB1EEDA0ADE139@BN7PR05MB4033.namprd05.prod.outlook.com>
In-Reply-To: <BN7PR05MB403389EA9B8A008CB1EEDA0ADE139@BN7PR05MB4033.namprd05.prod.outlook.com>
Date: Sat, 19 Mar 2022 19:35:09 +0100
Message-ID: <CAPzBOBN11OzW6HXz5ajxqX6M+dJfox5h5bVHSVQgF4NbPYxF7A@mail.gmail.com>
To: Theodore Brown <theodorejb@outlook.com>
Cc: Chase Peeler <chasepeeler@gmail.com>, Ilija Tovilo <tovilo.ilija@gmail.com>, 
	PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary="0000000000008cea4605da9686ec"
Subject: Re: [PHP-DEV] [RFC][Under discussion] Arbitrary string interpolation
From: landers.robert@gmail.com (Robert Landers)

--0000000000008cea4605da9686ec
Content-Type: text/plain; charset="UTF-8"

On Fri, Mar 18, 2022 at 11:01 PM Theodore Brown <theodorejb@outlook.com>
wrote:

> On Fri, Mar 18, 2022 at 09:02 Chase Peeler <chasepeeler@gmail.com> wrote:
> > On Fri, Mar 18, 2022 at 12:49 AM Theodore Brown <theodorejb@outlook.com>
> wrote:
> > >
> > > 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 = "Theodore Brown";
> > >     $strlen = fn(string $string): int => strlen($string);
> > >     echo "{$name} has a length of {$strlen($name)}.";
> > >
> > > with
> > >
> > >     $name = "Theodore Brown";
> > >     echo "{$name} has a length of {$:strlen($name)}.";
> >
> >
> > Out of curiosity, why not:
> >
> >     $name = "Theodore Brown";
> >     echo "{$name} has a length of ".strlen($name).".";
> >
> > or even
> >
> >     $name = "Theodore Brown";
> >     $len = strlen($name);
> >     echo "{$name} has a length of {$len}.";
>
> Concatenation works fine for a simple example like this, but it can
> get a lot messier when there are more than a few embedded variables.
> It's particularly an issue with heredoc strings which are far more
> cumbersome to concatenate.
>
> Yes, it's possible to add extra variables before the string like in
> your second example, but this feels like unnecessary work, especially
> when you already have all the variables you want and just want to
> apply a function to them at several places in a template string.
>

One function that I continuously run into is 'number_format' (and its intl
equivalents). It'd be much easier to read "you have
{$:number_format(count($items))} remaining" instead of "you have
$formatted_count_of_items remaining"


> Theodore
> --
> PHP Internals - PHP Runtime Development Mailing List
> To unsubscribe, visit: https://www.php.net/unsub.php
>
>

--0000000000008cea4605da9686ec--