PHP--JSON

<title>Php–json</title> Php–json

http://jsonlint.com/to determine if the JSON syntax is correct

PHP to JSON

$ arr1 Array (); $ arr1 [' username 'test '; $ arr1 [' age '] = 24; $ jsonObj1 = Json_encode ($arr1);  {"username": "Test", "Age":

$arr2=Array();$arr2[' member '][' One '][' username '] =' test1 ';$arr2[' member '][' One '][' age '] = 26;$arr2[' member '][' both '][' username '] =' Test2 ';$arr2[' member '][' both '][' age '] = 28;$JsonObj2= Json_encode ($arr2);//  {"member": {"one": {" username": "Test1", "Age":--}, "one": {"username": "Test2", "age": +}}

class to JSON

class Test{ Public $name="Public Name";protected $Ptname="proctected Name";Private $PName="Private Name"; Public function GetName() {return $ This-name; }}$OBJ=New Test();$JJ= Json_encode ($OBJ);// {"Name": "Public Name"} # only public variable

JSON to PHP variable type

$J=' {' key ': ' Value '} ';$v= Json_decode ($J); Var_dump ($v);// is a class// object (StdClass) [1]//     Public ' key ' = = String ' value ' (length=5)$v= Json_decode ($J,true); Var_dump ($v);// Array Type// Array (size=1)//     ' key ' = = String ' value ' (length=5)

Another complex JSON

"Employees": [    "FirstName":"Bill""LastName":"Gates "},     "FirstName":"George""LastName":"Bush" },    "FirstName":" Thomas "lastName":"Carter" }  ]}

$JSON=' {' Employees ': [{"FirstName": "Bill", "LastName": "Gates"},{"FirstName": "George", "LastName": "Bush"},{"FirstName": "Thomas", "LastName": "Carter"}  ]} ';$arr= Json_decode ($JSON,true);Echo $arr[' Employees '][0][' FirstName '];

JS parsing json

var Jsondata ' {' arr ': [{' Name ': ' NAME1 ', ' id ': ' ID1 '}, {' name ': ' NAME2 ', ' id ': ' ID2 '}, '} '; var jsonobj = Json.parse (jsondata); alert (jsonobj.arr[0].name);         NAME1

$ Members[' 1 '][' username '] =' Admin1 ';$ Members[' 1 '][' groupname '] =' Admin1 ';$ Members[' 1 '][' uid '] =' 1 ';$ Members[' 2 '][' username '] =' admin2 ';$ Members[' 2 '][' groupname '] =' admin2 ';$ Members[' 2 '][' uid '] =' 2 ';p Rint_r (Json_encode ($ Members));//  {"1": {"username": "Admin1", "GroupName": "Admin1", "UID": "1"},//   "2": {"username": "admin2", "GroupName": "Admin2", "UID": "2"},}

Alert (res[1][' username ');      Success alert (res[' 1 '[' username ']);    Success alert (res.1.username);          * failed *alert (res.' 1 '. username);        * Failure *

PHP--JSON