PHP generates nested JSON solutions _php Tutorial

PHP generates nested JSON

({

"AA": [

{

"Id": "0",

"title": "caption",

},

{

"Id": "1",

"title": "caption",

}

],

"BB": [

{

...

},

{

....

}

]

})

How PHP generates this nested JSON

------Solution--------------------

/** JSON data formatting

* @param Mixed $data data

* @param String $indent indent character, default 4 spaces

* @return JSON

*/

function Jsonformat ($data, $indent =null) {

UrlEncode each element recursively in an array, protecting Chinese characters

Array_walk_recursive ($data, ' jsonformatprotect ');

JSON encode

$data = Json_encode ($data);

UrlDecode the contents of the UrlEncode

$data = UrlDecode ($data);

Indent processing

$ret = ";

$pos = 0;

$length = strlen ($data);

$indent = Isset ($indent)? $indent: ";

$newline = "\ n";

$prevchar = ";

$outofquotes = true;

for ($i =0; $i <= $length; $i + +) {

$char = substr ($data, $i, 1);

if ($char = = ' "' && $prevchar! = ' \ \ ') {

$outofquotes =! $outofquotes;

}elseif (($char = = '} '------solution--------------------$char = = '] ') && $outofquotes) {

$ret. = $newline;

$pos--;

for ($j =0; $j < $pos; $j + +) {

$ret. = $indent;

}

}

$ret. = $char;

if ($char = = ', '------solution--------------------$char = = ' {'------solution--------------------$char = = ' [') && $ Outofquotes) {

$ret. = $newline;

if ($char = = ' {'------solution--------------------$char = = ' [') {

$pos + +;

}

for ($j =0; $j < $pos; $j + +) {

$ret. = $indent;

}

}

$prevchar = $char;

}

return $ret;

}

/** the elements of an array UrlEncode

* @param String $val

*/

Function Jsonformatprotect (& $val) {

if ($val!==true && $val!==false && $val!==null) {

$val = UrlEncode ($val);

}

}

Header (' Content-type:application/json;charset=utf8 ');

$arr = Array (

' AA ' = = Array (

Array

' Id ' = 0,

' Title ' = ' headline '

), array (' id ' = = 1, ' title ' + ' caption '), ' bb ' = = Array (' id ' = ' = ' + 2, ' title ' = ' title '), Array (' ID ' = 3, ' title ' = ' title '),); Echo Jsonformat ($arr); {"AA": [{"id": "0", "title": "title"}, {"id": "1", "title": "title"}], "BB": [{"id": "2", "title": "title"}, {"id": "3", "title": "title"}]}

http://www.bkjia.com/PHPjc/820425.html www.bkjia.com true http://www.bkjia.com/PHPjc/820425.html techarticle PHP generates nested JSON {AA: [{id:0, Title: Caption,}, {id:1, title: Title,}], bb:[{...}, {...}}) How does PHP generate this nested JSON------solution--------------...

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