PHP decode nested JSON

Question

I've a nested JSON code as (it's actually my facebook status updates)

{
   "data": [
      {
         "id": "1290561400000000",
         "from": {
            "name": "My name",
            "id": "500920000"
         },
         "message": "Message body",
         "updated_time": "2010-08-24T08:22:13+0000",
         "comments": {
            "data": [
               {
                  "id": "129056140474641_8000",
                  "from": {
                     "name": "name1",
                     "id": "100000486072000"
                  },
                  "message": "hahahahahahha..........",
                  "created_time": "2010-08-24T08:40:39+0000"
               },
               {
                  "id": "129056140474641_8000000",
                  "from": {
                     "name": "name2",
                     "id": "1597542457"
                  },
                  "message": "true ya. I have updated",
                  "created_time": "2010-08-24T08:59:53+0000"
               },
               {
                  "id": "129056140474641_83000",
                  "from": {
                     "name": "Name3",
                     "id": "1000004860700000"
                  },
                  "message": "am putting it on my wall....",
                  "created_time": "2010-08-24T09:01:25+0000"
               }
            ],

         }
      }
]

Now how do I access the comments for a particular update and print it through a loop?? (I'm retrieving say a couple of updates at the same time).

Lekensteyn · Accepted Answer · 2010-08-24 10:07:57Z

27

Use json_decode():

$decoded = json_decode($json_string);
$comments = $decoded->data[0]->comments->data;
foreach($comments as $comment){
   $name = $comment->from->name;
   $message = $comment->message;
   //do something with it
}

answered Aug 24, 2010 at 10:07

Lekensteyn

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Sarfraz · Accepted Answer · 2010-08-24 10:05:47Z

3

You can use the json_decode function to convert it to array and then iterate over the array using foreach loop.

$array = json_decode($json, true);

foreach($array as $key => $value)
{
  // your code....
}

The second option to json_decode is whether or not you want to convert it to an array.

answered Aug 24, 2010 at 10:05

Sarfraz

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