Array ( [device_token] => ) Array ( [device_token] => fWWu_PcvSCac9NZLmBNf08:APA91bGknw1BsCz8hokyRSFoD9c6CVODj8lh874gwFiqnHOX309id3CQ5HbhIUNiskfEp-eZcO_SgNwQTysiU7IgBwUkjv-xuR18IiXGqp48HkWMoQlXB5hLL-BndgazecTDjeZUS9OR ) Array ( [device_token] => ) Array ( [device_token] => )