json_decode
(PHP 5 >= 5.2.0, PECL json >= 1.2.0)
so json_decode will be avaliable for php 5.2.0+
php is open source, I believe you can get an idea from their C source
On Fri, Dec 4, 2009 at 2:16 PM, Jim Lucas wrote:
> Kirby Bakken wrote:
> > None of the servers I run on have PHP 5.3, and I have no idea when
> > they'll be updated. The json_last_error function is in 5.3. What can I
> > do to provide a temporary json_last_error function until my servers get
> > updated to 5.3? Is there source available for json_last_error somewhere?
> >
> > Thanks,
> >
> > Kirby
> >
>
> I don't believe you will be able to provide this functionality without
> recreating the json_decode() function also.
>
> json_last_error() looks like it retrieves information that is from the last
> attempt to run json_decode() on a given string. My guess is that
> json_decode()
> set an internal variable that json_last_error() picks up and returns.
>
> Without having json_decode() say what the problem was/is then you can never
> recreate the json_last_error() function.
>
> Jim Lucas
>
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