Retrieve instagram user email address

http://stackoverflow.com/questions/34176597/retrieve-instagram-user-email-address

how to get authuentication of instagram login api

http://jelled.com/instagram/access-token

how to wtite where condition in mongo db and get data depands on mongodb ojectid

$result=$this->mongo_db->where((object)array('_id'=>$id))->set($data)->update('adminuser');