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To: Nikita Popov <nikita.ppv@gmail.com>, Mark Randall <marandall@php.net>
CC: PHP internals <internals@lists.php.net>
Thread-Topic: [PHP-DEV] [RFC] Deprecate Backtick Operator (V2)
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Date: Tue, 8 Oct 2019 03:31:52 +0000
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Subject: Re: [PHP-DEV] [RFC] Deprecate Backtick Operator (V2)
From: theodorejb@outlook.com (Theodore Brown)

On Mon, Oct 7, 2019 at 2:50 AM Nikita Popov <nikita.ppv@gmail.com> wrote:=
=0A=
=0A=
> On Fri, Oct 4, 2019 at 5:45 PM Mark Randall <marandall@php.net> wrote:=0A=
> =0A=
> > Hi Internals,=0A=
> >=0A=
> > I put forward the following RFC "Deprecate Backtick Operator (V2)" for=
=0A=
> > discussion.=0A=
> >=0A=
> > https://wiki.php.net/rfc/deprecate-backtick-operator-v2=0A=
> >=0A=
> > I believe it is at least worth a discussion as to the pros and cons of=
=0A=
> > deprecating this functionality, especially in light of the existence of=
=0A=
> > better described and more well-known functions exhibiting identical=0A=
> > behaviour.=0A=
> >=0A=
> > This RFC only covers the issuing a deprecation notice, and its complete=
=0A=
> > removal would be contained within a separate RFC.=0A=
> >=0A=
> =0A=
> Usage of backtick operator in packagist top 2k packages:=0A=
> https://gist.github.com/nikic/7b0afaf4d8b1a1087cdb61cd1e776594=0A=
> There are 72 occurrences including duplicates.=0A=
> =0A=
> Make of that whatever you will :)=0A=
=0A=
=0A=
I did some further analysis on the output of Nikita's script.=0A=
Ignoring the duplicate WordPress package, all the occurrences=0A=
are in just 21 unique projects.=0A=
=0A=
In 8 of these, the backtick uses are exclusively in test files or other=0A=
scripts not part of the library source code. Then there are 11 packages=0A=
with one or two uses each, and only 2 packages with more than two occurrenc=
es.=0A=
=0A=
Raw numbers: https://gist.github.com/theodorejb/584f2a1e27e93fb5da2d9b0e8e7=
a0d34=0A=
=0A=
Best regards,=0A=
Theodore=