Hi!

> I'd prefer to add a separate function spl_object_id, which directly returns
> the handle. This should supersede spl_object_hash in the long run.

Since in PHP 7 there's no longer a possibility of having different
object stores, as far as I can see, spl_object_id can identify an object
(it wasn't possible before 7).

However, committing to having specific object ID (e.g. as integer) as
part of public API is pretty big commitment which I personally think
creates unnecessary coupling between PHP internals and user code and is
a bad design decision which may bite us later.

> spl_object_hash does a bunch of pointless things that serve no purpose
> other than making the function slower and making the result more bulky.

Before PHP 7, it created proper object identification, as objects could
be stored in different stores. As PHP 7 removed that possibility, indeed
adding Z_OBJ_HT_P is no longer serving any purpose. Performance though
has very little to do with it - it's just two XORs and one printf.

-- 
Stas Malyshev
smalys...@gmail.com

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