Json php格式化数据

I have a json file like this

{
  "id": "123456789012345", 
  "members": {
    "data": [
      {
        "name": "Dylan John", 
        "administrator": false, 
        "id": "12341234"
      }, 
      {
        "name": "Test user", 
        "administrator": false, 
        "id": "43214321"
      }, 
      {
        "name": "Demo user", 
        "administrator": false, 
        "id": "55445544"
      }, 
      {
        "name": "Fake user", 
        "administrator": false, 
        "id": "11991199"
      }
    ], 
    "paging": {
      "next": "www.123456demo12345.com"
    }
  }
}

I need to extract the id of each name.

I just start my php code like that but simply display only the master id:

<?php
$url = "http://www.1234demo1234fake.com/user.json";

$json = file_get_contents($url);
$data = json_decode($json, TRUE);

echo $data[id]; //echo master id
echo $data[members][data][id];
?>

You have to iterate over $data['members']['data'] and print $data['members']['data'][$i]['id'].

    $count=count($data['members']['data']);
    echo $data['id']; //echo master id
    $i=0;
    while($i<$count) {
    echo $data['members']['data'][$i]['id'];
    $i++;
    }

Your JSON object contains property members again members has property data.

Now data is an array.

Just loop over data, you get array of objects (members), fetch property id from it.

<?php
$abc = json_decode($your_json_sting);
$membersData = $abc->members->data;
$memberIds = array();
foreach ($membersData as $mem) {
    $memberIds[] = $mem->id;
}
echo '<pre>';print_r($memberIds);echo '</pre>';
?>