PHP generated JSON-related issues

A few questions about PHP generating JSON data.

foreach($re as $key=>$value){    $dd['code'][0]->$key=$value;    }$ff = json_encode($dd);print_r($ff);// 输出{"code":[{"0":{"key":"value"},"1":{"key":"value"}}]}

How would you like to add a bit of content before code? For example "url":"www.com" , make the generated JSON like this.

{"url":"www.com", "code":{"0":{"key":"value"},"1":{"key":"value"}}}}

Or is the output of the Chinese all become so \u8f8a\u67e5\u538d , how to output into Chinese?

Google has not found a half-day approach to find the basic all this.

$aa = urlencode($dd);echo urldecode(json_encode($aa));

But this not only can not output Chinese, even the output is not ...
Var_dump ($AA) output is NULL , this can do is good ah.

============= additional =================
There's a problem with that.

{    "url":"www.com",    "0":    {        "code":        {            "0":{"key":"value"},            "1":{"key":"value"}        }    }}

The resulting JSON will turn out this way, how do you get rid of this number?

================= two Chase ===================

$aa = array("url"=>"www.com");json_encode(array($aa,$dd['code']), JSON_UNESCAPED_UNICODE);

This will do what you want, but there's a problem.
How do you get a serial number from MySQL data?

Reply content:

A few questions about PHP generating JSON data.

foreach($re as $key=>$value){    $dd['code'][0]->$key=$value;    }$ff = json_encode($dd);print_r($ff);// 输出{"code":[{"0":{"key":"value"},"1":{"key":"value"}}]}

How would you like to add a bit of content before code? For example "url":"www.com" , make the generated JSON like this.

{"url":"www.com", "code":{"0":{"key":"value"},"1":{"key":"value"}}}}

Or is the output of the Chinese all become so \u8f8a\u67e5\u538d , how to output into Chinese?

Google has not found a half-day approach to find the basic all this.

$aa = urlencode($dd);echo urldecode(json_encode($aa));

But this not only can not output Chinese, even the output is not ...
Var_dump ($AA) output is NULL , this can do is good ah.

============= additional =================
There's a problem with that.

{    "url":"www.com",    "0":    {        "code":        {            "0":{"key":"value"},            "1":{"key":"value"}        }    }}

The resulting JSON will turn out this way, how do you get rid of this number?

================= two Chase ===================

$aa = array("url"=>"www.com");json_encode(array($aa,$dd['code']), JSON_UNESCAPED_UNICODE);

This will do what you want, but there's a problem.
How do you get a serial number from MySQL data?

There are two questions for you:

1, how to append content?

JSON and array correspond, just as you would append to the data:

$url = 'www.com';$code = array(    array('key', 'value');    array('key', 'value');    array('key', 'value'););echo json_encode(array('url'=>$url, 'code'=>$code));

2, how not garbled?

After php5.4 JSON has a new option JSONunescapedUNICODE:

echo json_encode(array('url'=>$url, 'code'=>$code), JSON_UNESCAPED_UNICODE);

Let JSON know more Chinese

To code add content to the front, you can json add a value before the array you want to convert to. -_-

$dd['url'] = 'www.xx.com';

The PHP version starts at 5.4 JSON_UNESCAPED_UNICODE , and the parameter constants are used to convert the characters to unicode codes, and refer to the manual.

If the PHP version is less than 5.4, refer to the following methods:

function json_encode_utf8($value) {    $jsons = json_encode($value);    return preg_replace(        "#\\\u([0-9a-f]{4}+)#ie",        "iconv('UCS-2', 'UTF-8', pack('H4', '\\1'))",        $jsons    );}

\u8f8a\u67e5\u538dIn itself is Chinese ah, this is handed to the front-end processing.

Question 1:

$dd['url'] = 'www.com';$dd['code'] = array();

Question 2:
See 1 floor, that is JS in the recommended use of Chinese characters, and file encoding independent. JS in direct use

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