Le lun. 27 janv. 2020 à 10:19, Nikita Popov <nikita....@gmail.com> a écrit :

> On Wed, Jan 22, 2020 at 4:47 PM Nicolas Grekas <
> nicolas.grekas+...@gmail.com> wrote:
>> Hello everyone,
>> as announced last week, I'm officially opening a discussion for adding a
>> "Stringable" interface to PHP 8.
>> The RFC and its rationale are presented here as required:
>> https://wiki.php.net/rfc/stringable
>> The patch is found on GitHub, where some discussions happened already, you
>> might be interested in having a look:
>> https://github.com/php/php-src/pull/5083
>> TL;DR, I think we need an interface to allow passing objects with a
>> __toString() method in a type-safe way, using the string|Stringable type.
>> Here is the stub of the proposal:
>> interface Stringable { public function __toString(): string; }
>> I invite everyone to review the RFC before commenting here as I tried to
>> sum up considerations that some already had before and that you might have
>> too.
>> Cheers,
>> Nicolas
> I'm wondering whether it could make sense to automatically implement this
> interface for all classes that define __toString(). Explicitly implementing
> the interface is useful for the transition period (where old PHP versions
> also need to be supported), but when considering only PHP 8 support, I
> think it may make sense to implicitly implement the interface. If the
> __toString() functionality also works fine without implementing the
> interface, and there's probably only going to be relatively few consumers
> of the Stringable type, it will likely be quite common that the interface
> will not get implemented...

This proposal has been implemented by Nikita himself on the linked PR, see
2nd commit:

I updated the RFC accordingly:

I think the RFC is ready for entering the voting stage.
Any other comments before?


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