JSON Decode problem

Staggan · April 3, 2012

I am having a nightmare sending / recieving some JSON.....

I have a test page which creates a JSON packet and posts it to another page. This page then processes it and returns a response... the data is in the post, but after decoding it the data seems to be lost....

Here is the code for the sending page:



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>

<?php

require_once ("inc/jsonwrapper/JSON/JSON.php");

$RequestID ='121'; //		:ID to which this request relates to allow site to keep track of things


$Method = 'login'; //:Which method the call is directed at
$referer 	= 'abc'; 	//	:Name of referring network
$affiliateid  =2468; 	//	:ID of referring site in affiliate network if any
$user_Country  ='gb'; 	//	:Users two letter country code
$UserID 	= '12345'; 	//	:Numeric  ID to identify players in game database belonging to network or portal 
$GameuserID = '1' ; // UserID in game database

$params = array ( 'referer' => $referer , 'affiliateid' => $affiliateid , 'userCountry' => $user_Country , 'UserID' => $UserID , 'GameuserID' => $GameuserID);


$response = array ( 'jsonrpc'=>'2.0', 'id'=> $RequestID , 'Method' => $Method , 'params' => $params) ;

$data = json_encode($response);

// URL of web api page

$url =  'http://xxx.com/webapi.php';

$reply = do_post_request($url, $data);

// setup new JSON service
$json = new Services_JSON();

$jsonPacket = $json->decode($reply,true); 

//THIS IS WHERE I PRINT THE RESPONSE 
echo print_r ($jsonPacket,1);



function do_post_request($url, $data, $optional_headers = null)
{
     $params = array('http' => array(
                  'method' => 'POST', 
      'header'=>"Content-Type: text/xml; charset=utf-8",
                  'content' => $data
               ));
     
  
  if ($optional_headers !== null) {
        $params['http']['header'] = $optional_headers;
     }
     $ctx = stream_context_create($params);
     $fp = @fopen($url, 'rb', false, $ctx);
     if (!$fp) {
        throw new Exception("Problem with $url, $php_errormsg");
     }
     $response = @stream_get_contents($fp);
     if ($response === false) {
        throw new Exception("Problem reading data from $url, $php_errormsg");
     }
     return $response;
}
?>

And the replying page


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>


<?

//setup database connection
require_once('globals.php');

//setup JSON
require_once ("inc/jsonwrapper/JSON/JSON.php");
$secret_Key = '12345';//SECRET KEY
$app_Id = '6789';//APP ID
$token = '';


// setup new JSON service
$json = new Services_JSON();

// accept incoming POST data
$input = $GLOBALS['HTTP_RAW_POST_DATA'];


//hashes
$hash = $_GET['authHash'];
$sHash  = strtolower(md5($input . $secret_Key));

$hash = 0;
$sHash  = 0;

if (strcmp($sHash, $hash) == 0) {


//check if incoming is JSON as we MIGHT use XML later too
$isJSON=  substr_count($input,"json");

if ($isJSON > 0){

processJSON ($input);
}


global $hash, $sHash;


}



//JSON FUNCTION TO PARSE JSON 
function processJSON($input){


global $json;	
$jsonPacket = $json->decode($input,true); 
$json_RequestId = $jsonPacket->id;



//check method and go to correct function
switch ($jsonPacket->Method){

case 'Game.login':
		game_login ($jsonPacket, $json_RequestId) ;
		break;


}
}





//JSON FUNCTIONS


function game_login($jsonPacket, $json_RequestId){


	$aid = ($jsonPacket->params->affiliateid);

	$country_code = ($jsonPacket->params->userCountry);

	$GameuserID = ($jsonPacket->params->GameuserID);

	$UserID = ($jsonPacket->params->UserID);
	//mail ("[email protected]" , "SNSUserID" , $UserID  );

	$result_userIDcheck = mysql_query("SELECT snsUserid FROM player where player_id = $GameuserID;");
	$result_UserID = mysql_result ($result_userIDcheck, 0);


	if ($UserID == $result_UserID){
	$result = 'OK';
	$id = $json_RequestId;

	//create token
	global $secret_Key ;
	$token = hash ('md5', $secret_Key.$aid.$GameuserID);

	$logindetails = array ( 'token=' => $token , 'UID'=> $GameuserID , 'snsUID' => $UserID , 'aid' => $aid , 'name' => $name);

	$params= array ('result'=>$result, 'logindetails'=> $logindetails, 'GameuserID'=>$GameuserID);
	$response = array ( 'jsonrpc'=>'2.0', 'id'=> $id , 'result' => $params) ;
	echo json_encode($response);
	}

	else mail ("[email protected]", "login", 'false');
}



?>

If I print the $reply var I see this:

{"jsonrpc":"2.0","id":"121","result":{"result":"OK","logindetails":{"token=":"68c49918c353a3e5d86d165da1cb2f72","UID":"1","snsUID":"12345","aid":"6789","name":null},"GameuserID":"1"}}

But trying to decode to an array leaves me with nothing....

Any help would be greatly appreciated

scootstah · April 3, 2012

It works for me.

print_r(json_decode('{"jsonrpc":"2.0","id":"121","result":{"result":"OK","logindetails":{"token=":"68c49918c353a3e5d86d165da1cb2f72","UID":"1","snsUID":"12345","aid":"6789","name":null},"GameuserID":"1"}}'));

stdClass Object
(
    [jsonrpc] => 2.0
    [id] => 121
    [result] => stdClass Object
        (
            [result] => OK
            [logindetails] => stdClass Object
                (
                    [token=] => 68c49918c353a3e5d86d165da1cb2f72
                    [uID] => 1
                    [snsUID] => 12345
                    [aid] => 6789
                    [name] => 
                )

            [GameuserID] => 1
        )

)

Staggan · April 3, 2012

I tried a different test and simply took the print of the $reply var and assigned it to another var, then decoded that var and it all worked... so not sure what the hell is going on....

Staggan · April 3, 2012

Sorry

I can do what you are doing and get a correct result.. but it is NOT working in my code....

Staggan · April 3, 2012

I just did a dump of the $jsonPacket var to find it is NULL

So this line results in a NULL var:

$jsonPacket = $json->decode($reply,true);

and I have no idea why as $reply contains a valid JSON string

Staggan · April 4, 2012

OK, so, it appears my JSON response contains HTTP headers which are what is causing the problem when I try to decode them....

I use


echo json_encode($response);

To send my response, but it includes the headers... so when I use json_decode it breaks

Any ideas?

Thanks

salathe · April 4, 2012

You will likely want to modify your do_post_request() function to not include the headers, unless there is any particular reason why you need them.

brucegregory · October 10, 2012

That might work

Sign In

JSON Decode problem

Recommended Posts

Staggan

Link to comment

Share on other sites

scootstah

Link to comment

Share on other sites

Staggan

Link to comment

Share on other sites

Staggan

Link to comment

Share on other sites

Staggan

Link to comment

Share on other sites

Staggan

Link to comment

Share on other sites

salathe

Link to comment

Share on other sites

brucegregory

Link to comment

Share on other sites

Archived

Browse

Activity

Important Information