Re: [RFC] Return Type Declarations

On Fri, Apr 25, 2014 at 3:09 AM, Lazare Inepologlou <linepogl@gmail.com>wrote: > Hello, > > 2014-04-24 17:59 GMT+02:00 Levi Morrison <levim@php.net>: > > My dear Internals friends, >> >> I have spent the last month drafting an RFC that allows return types: >> https://wiki.php.net/rfc/returntypehinting >> >> Notable items: >> - Differences from past RFCs are summarized in the RFC: >> >> https://wiki.php.net/rfc/returntypehinting#differences_from_past_rfcs >> - The patch includes basic opcache and reflection support. It also has >> phpt tests. >> - Informal performance tests indicate that the patch did not fubar >> performance; if desired a more detailed test can be conducted before >> voting. >> - This RFC does not add, modify, or remove keywords at all; this notably >> excludes type-hints for scalars. Supporting scalar type declarations is >> outside the scope of this RFC; if you are interested in supporting scalar >> type declarations please discuss it elsewhere. >> >> As a friendly reminder, everyone on this list is interested in developing >> a >> better PHP and the definitions of 'better' vary from person to person. >> Please be civil and constructive while discussing this RFC. Thank you! >> >> Some thanks, regardless if the RFC is accepted: >> - For providing a patch: Joe Watkins. >> - For helping me iterate on RFC drafts: Bob Wienand, Nikita Popov and >> Anthony Ferrara >> - For previous RFCs on this topic: Felipe Pena and Will Fitch. I gleaned >> valuable knowledge from your proposals and the discussion around them. >> > > > This is a nice and well thought proposal. > > I would like to suggest the addition of the "self" and "static" pseudo > types. Most IDEs support this through @return syntax: > > class Foo { > /** @return static */ > public function SetBar( $bar ) { > // ... > return $this; > } > } > > With the new syntax, the above could be transformed into this: > > class Foo { > public function SetBar( $bar ) : static { > // ... > return $this; > } > } > As the patch currently stands you can use the type-hint 'self'.