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Any way to return PHP json_encode with encode UTF-8 and not Unicode?
$arr=array('a'=>'á'); echo json_encode($arr); mb_internal_encoding('UTF-8');and $arr=array_map('utf8_encode',$arr); does not fix it.
Result: {"a":"\u00e1"}
Expected result: {"a":"á"}
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The json_encode() function is used to encode a value to JSON format.
JSON_UNESCAPED_UNICODE (int) Encode multibyte Unicode characters literally (default is to escape as \uXXXX). JSON_PARTIAL_OUTPUT_ON_ERROR (int) Substitute some unencodable values instead of failing.
Parsing JSON data in PHP: There are built-in functions in PHP for both encoding and decoding JSON data. These functions are json_encode() and json_decode(). These functions works only with UTF-8 encoded string.
To receive JSON string we can use the “php://input” along with the function file_get_contents() which helps us receive JSON data as a file and read it into a string. Later, we can use the json_decode() function to decode the JSON string.
{"a":"\u00e1"} and {"a":"á"} are different ways to write the same JSON document; The JSON decoder will decode the unicode escape.
In php 5.4+, php's json_encode does have the JSON_UNESCAPED_UNICODE option for plain output. On older php versions, you can roll out your own JSON encoder that does not encode non-ASCII characters, or use Pear's JSON encoder and remove line 349 to 433.
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