Re: [RFC] PHP Attributes

From: Date: Sat, 23 Apr 2016 21:34:16 +0000
Subject: Re: [RFC] PHP Attributes
References: 1  Groups: php.internals 
Request: Send a blank email to internals+get-92667@lists.php.net to get a copy of this message
Hi Dimitry, On Fri, Apr 22, 2016 at 6:13 AM, Dmitry Stogov <dmitry@zend.com> wrote: > I would like to present an RFC proposing support for native annotation. > > The naming, syntax and behavior are mostly influenced by HHVM Hack, but not exactly the same. > > The most interesting difference is an ability to use arbitrary PHP expressions as attribute > values. > > These expressions are not evaluated, but stored as Abstract Syntax Trees, and later may be > accessed (node by node) in PHP extensions, preprocessors and PHP scripts their selves. I think this > ability may be useful for "Design By Contract", other formal verification systems, Aspect > Oriented Programming, etc > > > https://wiki.php.net/rfc/attributes > > > Note that this approach is going to be native, in contrast to doc-comment approach that uses > not well defined syntax, and even not parsed by PHP itself. > > > Additional ideas, endorsement and criticism are welcome. Nice RFC! Attributes are always evaluated, right? i.e. No INI switch nor declare to control behavior. Just making sure. Regards, -- Yasuo Ohgaki yohgaki@ohgaki.net

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