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Date: Mon, 16 Feb 2015 12:22:32 +0100
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Subject: Re: [PHP-DEV] Re: Annotations in PHP7
From: cesar@rodas.me (Cesar Rodas)

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On 16/02/15 12:19, Dmitry Stogov wrote:
> I decided to explain the proposed annotation syntax "in words" to avoid=

> misunderstanding
>
> annotations ::=3D { annotation }.
> annotation   ::=3D '<' STRING '>' | '<' STRING '(' expr ')' '>'.
>
> where <expr> is regular PHP expression.
Why not doc-block annotations? So it can be parse/understand that is
already there (Doctrine annotations for instance).

>
> Thanks. Dmitry.
>
>
> On Mon, Feb 16, 2015 at 2:07 PM, Dmitry Stogov <dmitry@zend.com> wrote:=

>
>> hi,
>>
>> During discussion of different ways of implementing "Design by Contrac=
t"
>> we got an idea of using annotations.
>>
>> BTW: annotations are useful by their own and may be used for different=

>> purposes. Support for annotations was proposed long time ago:
>>
>> https://wiki.php.net/rfc/annotations
>> https://wiki.php.net/rfc/annotations-in-docblock
>> https://wiki.php.net/rfc/reflection_doccomment_annotations
>>
>> HHVM already implemented similar concept
>>
>> http://docs.hhvm.com/manual/en/hack.attributes.php
>>
>> I made a quick and dirty PoC that shows how we may implement annotatio=
ns
>> in PHP7 and how powerful they may be :
>> https://gist.github.com/dstogov/dbf2a8f46e43719bd2c2
>>
>> The test there is self explainable. Of course, annotations just provid=
e a
>> way to add metadata, but doesn't define attribute names or the ways th=
ey
>> are going to be used. Only Reflection API to read.
>>
>> There are still a lot of technical problems that have to be solved.
>> Right now, we just need to answer a question - if we like this in PHP7=
?
>> Thought and opinions are welcome...
>>
>> Thanks. Dmitry.
>>

--=20
C=C3=A9sar D. Rodas
Open Source developer
+595-983-161124
PGP: F9ED A265 A3AB C8A1 D145 7368 158A 0336 C707 0AA6



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