RE: [PHP-DEV] JSON inclusion in core
| From: | Jared Williams | Date: | Sat, 21 Jan 2006 12:25:39 +0000 |
| Subject: | RE: [PHP-DEV] JSON inclusion in core | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-21617@lists.php.net to get a copy of this message | ||
> At 06:01 PM 1/20/2006, Rasmus Lerdorf wrote:
> >Andi Gutmans wrote:
> >>Yeah, but the main problem with this kind of stuff is when
> you start
> >>mapping classes and even references. I think it requires some
> >>additional pluming to be really useful for writing robust
> >>JavaScript<-->PHP connectivity so that it's flexible enough for all
> >>those PHP packages to start using it.
> >>I'm +1 for including JSON but not on the way the API is
> defined right now.
> >
> >I guess I am confused. Javascript, and thus JSON, has no
> concept of an
> >object. It has something it calls an object, but that is just an
> >associative array. Are you trying to layer some other
> syntax on top of
> >JSON to convey more meaning than what JSON/Javascript
> natively supports?
>
> Yes exactly. So for example, we should define some special
> string/value pair that conveys the class of the object (e.g.
> __classname:MyClass). I'd say that this is almost critical to
> allow a very nice mapping between the client side Javascript
> and the PHP layer. This way you can pretty much do a 1:1
> mapping from Javascript objects (which might be nested) to
> PHP objects. The decode() would just find this __classname
> and make sure to instantiate MyClass and put the key/value
> pairs in that.
What are the security implications of doing this?
Creating objects based on a string from a untrusted source seems not good idea, unless can prevent
tampering (with an HMAC or
something).
Jared