Fwd: [PHP-DEV] Re: [Concept] Magic Casting

Sorry for forward. Hit reply, not reply-all. ---------- Forwarded message ---------- From: Alex Bowers <bowersbros@gmail.com> Date: 2 December 2016 at 14:31 Subject: Re: [PHP-DEV] Re: [Concept] Magic Casting To: David Rodrigues <david.proweb@gmail.com> Another benefit this would give frameworks / user land code is the ability to mock / simulate having scalar object types. For instance, A class called Str could be used to cast all "string" inputs to its type, and then everywhere in the framework / user land code, based on __cast() it could cast them all to a Str instance, and be used with methods on. This will allow $string->toUpperCase() to be possible etc, whilst acting on a plain string. On 2 December 2016 at 14:30, Alex Bowers <bowersbros@gmail.com> wrote: > To me, in pseudo logic it would work as so: > > Currently it does this: > > A method with the signature of function_name(Collection $collection) has > been called. The parameter I have is of type Collection. Let it continue; > or alternatively, the parameter is not of type Collection, throw the error. > > The new method will be: > > A method with the signature of function_name(Collection $collection) has > been called. The parameter I have is of type collection. let it continue. > > Alternatively, > The parameter is not of type collection, does Collection implement a > __cast() magic method. If it does, Pass the parameter into that __cast() > method. If the response is an instance of Collection, let it through. If it > is not, throw the error. > > As to how this would be implemented, r how the engine is built. This is > not something I am aware of really. I will be willing to learn, and assist > somebody / get assistance in the building of this feature, but it would > take me a lot longer than it would take a real core member to do. > > But effectively, it will call Type::__cast() >