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JSON encode-decode problem

Posted on 2009-05-19
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Last Modified: 2013-11-08
Hi there,
In php i have an object myObject, which has integers, string and arrays. I push all of the instances of myObjects in a simple array, then encode the array with $ious_string = json_encode($places_obj_ious);
I then send this string to javascript via AJAX, and decode it with ious_string.evalJSON() using he prototype framework.
What is the resulted object?
I need to be getting the array i had generated n php. How can i itterate through the collection f objects created?
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Question by:ioustinos_sarris
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8 Comments
 

Author Comment

by:ioustinos_sarris
ID: 24423242
I am doing this
var temp = ious_string.evalJSON();
While alert(temp[0].id) would show something valid alert(temp.length) is undefined.

So i cant really itterate through the "array"
0
 
LVL 12

Expert Comment

by:alien109
ID: 24423299
can you show the json string that is returned from the ajax call? that would help.
0
 

Author Comment

by:ioustinos_sarris
ID: 24423408
{"2":{"user_name":"Ioustinos Sarris","user_id":"514324456","is_transit":"0","tags":"","image":"http:\/\/profile.ak.facebook.com\/profile6\/1281\/91\/s514324456_7609.jpg","sex":"male","gender":"1","me":1,"created_at":null,"starttime":"1242285300","endtime":"1242318600","networks":[{"nid":"67109257","name":"Greece","type":"region","status":"","year":"0"}],"is_friend":"0","imageSmall":"http:\/\/profile.ak.facebook.com\/profile6\/1281\/91\/q514324456_7609.jpg","id":"300","says":""},"1":{"user_name":"Ioustinos Sarris","user_id":"514324456","is_transit":"0","tags":"","image":"http:\/\/profile.ak.facebook.com\/profile6\/1281\/91\/s514324456_7609.jpg","sex":"male","gender":"1","me":1,"created_at":null,"starttime":"1242266400","endtime":"1242288900","networks":[{"nid":"67109257","name":"Greece","type":"region","status":"","year":"0"}],"is_friend":"0","imageSmall":"http:\/\/profile.ak.facebook.com\/profile6\/1281\/91\/q514324456_7609.jpg","id":"299","says":""},"0":{"user_name":"Ioustinos Sarris","user_id":"514324456","is_transit":"0","tags":"","image":"http:\/\/profile.ak.facebook.com\/profile6\/1281\/91\/s514324456_7609.jpg","sex":"male","gender":"1","me":1,"created_at":null,"starttime":"1242285300","endtime":"1242318600","networks":[{"nid":"67109257","name":"Greece","type":"region","status":"","year":"0"}],"is_friend":"0","imageSmall":"http:\/\/profile.ak.facebook.com\/profile6\/1281\/91\/q514324456_7609.jpg","id":"298","says":""}}
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Author Comment

by:ioustinos_sarris
ID: 24423419
the above response is the encoded response for an array with 3 objects...
0
 
LVL 12

Accepted Solution

by:
alien109 earned 500 total points
ID: 24423686
What's coming back isn't an array of objects, but an object with three key/value properties

to enumerate though this object, you could do the following

for(var key in temp)
{
    var user_name = temp[key].user_name;
    var user_id = temp[key].user_id;
    ...
}
0
 

Author Comment

by:ioustinos_sarris
ID: 24430322
well it seems to be ok but it is not.
while in php the length of my array is 96 objects, and i can see with print_r they are all valid and not empty, when i do
for(var key in temp){
            myarray.push(new place(temp[key]));
      }

i get 134 elements in myarray...
the last 38 are null...
0
 

Author Comment

by:ioustinos_sarris
ID: 24430368
should i try using another encoder?
0
 

Author Comment

by:ioustinos_sarris
ID: 24458491
anyone?
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