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Date: Wed, 1 Mar 2023 09:22:55 -0300
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To: Jakub Zelenka <bukka@php.net>
Cc: PHP Internals List <internals@lists.php.net>
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Subject: Re: [PHP-DEV] RFC Idea - json_validate() validate schema
From: dev.juan.morales@gmail.com (juan carlos morales)

Jakub, wow, great to know this. thanks for writting.

Ok, then .... I will assume that this feature will come from you
sometime in future.

Since json_validate() was announced ... I have being receiving
messages (a lot) about providing the ability to use JSON SCHEMAS as
well, hopefully we will have this in PHP in 8.4 (this will be a
shock!)

Question ... are you planning to incorporate this by enhancing
json_validate() ???

El mi=C3=A9, 1 mar 2023 a las 9:07, Jakub Zelenka (<bukka@php.net>) escribi=
=C3=B3:
>
> On Wed, Mar 1, 2023 at 11:44 AM juan carlos morales <dev.juan.morales@gma=
il.com> wrote:
>>
>> Hello Internals.
>>
>> I am thinking about improving the json_validate() function developed
>> for php 8.3.
>>
>> The actual descriptions goes like this:
>>
>> json_validate(string $json, int $depth =3D 512, int $flags =3D 0): bool
>>
>> I am thinking about enhancing this function to also be able to
>> validate against a JSON SCHEMA, giving us something like this:
>>
>> json_validate(string $json, int $depth =3D 512, int $flags =3D 0, string
>> $json_schema =3D null): bool
>>
>> so, if the string is a valid JSON and also respects the schema ... then =
TRUE.
>>
>> What do you think ?
>>
>
> I'm actually working on this. Currently developing the schema parsing in =
pure C implementation in my play C tool called jso. You can see progress he=
re: https://github.com/bukka/jso/commits/next . The plan is to develop it i=
nside jso and then port it to jsond and then propose it for json ext inclus=
ion (that's how I developed the current parser). There is a lot of to do as=
 JsonSchema is quite complex (composition, JSON pointers, stream integratio=
n for external pointers and more tricky bits) so this won't likely be ready=
 for 8.3 but should be ready for 8.4. I plan to introduce some smaller thin=
gs for 8.3 like better error reporting (error location which I have already=
 working in jso) and some other small additions. By the way, the schema sup=
port won't be useful just for validation but also for decoding and possibly=
 encoding (sort of replacement for JsonSerializable). Especially for decodi=
ng it can be further extended to allow class mapping. We could also provide=
 automatic generation of schema from class and support attributes. I plan t=
o propose all of this later as well but that might take some time.
>
> Regards
>
> Jakub