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Request #81109 JSON_UNQUTED_KEYS
Submitted: 2021-06-05 10:10 UTC Modified: 2021-06-05 11:03 UTC
From: engineering dot drmax24 at gmail dot com Assigned: cmb (profile)
Status: Wont fix Package: json (PECL)
PHP Version: 8.0.7 OS: any
Private report: No CVE-ID: None
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From: engineering dot drmax24 at gmail dot com
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 [2021-06-05 10:10 UTC] engineering dot drmax24 at gmail dot com
Description:
------------
Can you please:
1. add an option to send unquoted keys smth like JSON_UNQUTED_KEYS.
2. make json_decode to be able to decode json with unquoted keys. Now json_decode returns null if given a specification-correct json with no key quotes.

Json specification allows keys to be unquoted. If json keys are unquoted this saves up to 5-25% of json file size. 5-25% is a lot. 

This is a bit similar to JSON_UNESCAPED_UNICODE. If you send non-latin json safe chars with your utf8 webserver this is a big overhead in json file size. 5-25% too.

Test script:
---------------
json_encode(["a"=>"b"],JSON_UNQUOTED_KEYS|JSON_UNESCAPED_UNICODE);

Expected result:
----------------
{a:"b"}

Actual result:
--------------
{"a":"b"}

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 [2021-06-05 10:53 UTC] marandall@php.net
The JSON specification does not allow unquoted keys therefore this is a request to produce invalid output.
 [2021-06-05 11:03 UTC] cmb@php.net
-Status: Open +Status: Wont fix -Assigned To: +Assigned To: cmb
 [2021-06-05 11:03 UTC] cmb@php.net
> Json specification allows keys to be unquoted.

No, see <https://datatracker.ietf.org/doc/html/rfc8259>.
 
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