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Bug #50867 json_encode can't handle empty string keys
Submitted: 2010-01-27 22:32 UTC Modified: 2010-01-28 08:25 UTC
From: r at rcrowley dot org Assigned:
Status: Not a bug Package: JSON related
PHP Version: 5.3.1 OS: Linux
Private report: No CVE-ID: None
 [2010-01-27 22:32 UTC] r at rcrowley dot org
The specification outlined at indicates that the empty 
string is a perfectly valid key in a JSON data structure.  JSON 
implementations in Python and Ruby agree.  PHP appears to go out of its 
way to handle the empty string as as key in a non-standard way.

Reproduce code:
$ php -r 'echo json_encode(json_decode("{\"\":\"foo\"}")), "\n";'

Expected result:
I expect to see exactly the same output from PHP as seen from Ruby and 

$ ruby -rjson -e 'puts JSON.parse("{\"\":\"foo\"}").to_json'
$ python -c 'import json; 
{"": "foo"}

Actual result:
$ php -r 'echo json_encode(json_decode("{\"\":\"foo\"}")), "\n";'


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 [2010-01-28 08:25 UTC]
It can not work in PHP since you can not have empty object property name. 
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