On Sun, Aug 21, 2016 at 8:37 AM, Aaron Piotrowski <aa...@trowski.com> wrote:
> Hi Marco, > > > On Aug 19, 2016, at 1:31 PM, Marco Pivetta <ocram...@gmail.com> wrote: > > > > Hi Aaron et all, > > > > I tried to implement support for 7.1 in zend-code as a start: > > > > https://github.com/zendframework/zend-code/pull/87 > > > > A few issues arise: > > > > * `ReflectionType#__toString()` is too volatile, especially if we want to > > support multiple versions of PHP, therefore it's a good idea to not think > > too much about it, and instead deprecate it. Most issues I had while > > working with the feature were related with string formatting, and that's > > simply gotta die: just using a more specific API should cut it (getName, > > getClass, isNullable, etc. As few strings as possible, please!). > > * A page where we can see the current state of the `ReflectionType` API > > (and its subtypes) would be golden. > > * `ReflectionType#__toString()` seems to crash in very interesting ways > > when `?string` is reflected (see issue above - couldn't isolate > precisely) > > > > I've reverted the changes so that `ReflectionType::__toString()` is now > identical to 7.0, including *not* prepending a ? for nullable types. The > method is now just an alias of `ReflectionNamedType::getName()`. > > `ReflectionType::__toString()` should be discouraged for code generation > going forward, as it seems there's just not a way to add type features in a > BC way. My attempt to incorporate nullable types in a way that would allow > for even more complex types such as `callable(?\Type\Name, ?bool)` just > caused too many problems. > > > I am currently going through the changes, and just figured that 7.1 > implements https://wiki.php.net/rfc/reflectiontypeimprovements, even > though the RFC was declined: > > > > ./sapi/cli/php -r 'class Foo { public function bar() : ?Foo {} } > var_dump((new ReflectionMethod("Foo", "bar"))->getReturnType());' > > object(ReflectionNamedType)#2 (0) { > > } > > Only `ReflectionNamedType` was added so the object returned from parameter > and return types could have a `getName()` method. The rest of the RFC was > not implemented. This should be completely BC while allowing future types > like unions or callables. See some discussion here: > https://github.com/php/php-src/pull/2068 > > Aaron Piotrowski > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > This is too big of a revert. You must attempt to generate exactly what was written in user code which requires the prepended question mark.