回复： [PHP-DEV] [RFC] Proposal namespace importing with from syntax

Hi Andrew, 在 2012年7月24日星期二，下午11:39，Andrew Faulds 写道： > On 24/07/12 16:35, Reeze wrote: > > Hi, internals, > > I'm proposing a improvement to namespace importing. when using 'use' > > statement to import > > many classes, we have to duplicate many times even we are importing from the same > > namespace. > > > > I propose a new syntax to import classes\functions\constant in a single statement. > > > > here is the example: > > > > <?php > > // reduce > > use GlobalNamespace\SubSpace\ThirdSpace\Class1; > > use GlobalNamespace\SubSpace\ThirdSpace\Class2; > > use GlobalNamespace\SubSpace\ThirdSpace\ForthSpace\Class3; > > // to > > from GlobalNamespace\SubSpace\ThirdSace use Class1, Class2 as Alias2, ForthSpace\Class3 as > > Alias3; > > ?> > > > > The above code should be self-explained. > > > > More info could be found at the RFC page and the patch. > > > > RFC: > > https://wiki.php.net/rfc/namespace-importing-with-from > > PATCH : > > https://github.com/reeze/php-src/compare/rfc-from-use > > > > Any Opinion, suggestion, improvement will be much appreciated. > > > > Thanks > Ah, so something a la python's from x import y, z? Sounds good. Somewhat > surprised we don't already have this. > > One comment: "use Class1, Class2 as Alias2, ... ;" confuses me a bit. I > read it as "use (Class1, Class2) as Alias2, ... ;". //Perhaps this is > > It means use Class1 **and** use Class2 but aliased with name Alias2 etc. It almost the same as bare 'use' statement, but with a common prefix :) Thanks > > just a formatting issue (with newlines it would be more clear), but it > looks a little weird to me. > > Just my 2¢. > > -- > Andrew Faulds > http://ajf.me/ > >