gistfile1.txt

<?
$url .= '{ "id": "' . $mid . '", "/music/album/artist": [{"mid" : [],"name" : null}], "/music/album/genre": [{}], "/music/album/release_date": null }';

if ($res = ApplicationHelper::rest(array('url' => $url))) {
  if ($res->result) {
    $body = json_decode($res->body);
    $item = (array) $body->result;

    foreach ($item['/music/album/artist'] as $p) {
      $poss[] = array('type' => 'Artist', 'mid' => $p->mid[0], 'name' => $p->name);
    }

    foreach ($item['/music/album/genre'] as $a) {
      $adj[] = array('type' => 'Genre', 'mid' => $a->id, 'name' => $a->name);
    }
  }
}