How to receive Messenger API location/image

messenger-payload-location-image.php

<?php 

if ($message->hasAttachments()) {
  $attachments = $message->getAttachments();
  $location = [];
  foreach ($attachments as $attachment) { 
      switch($attachment['type']) {
        case 'location':
          $lat = $attachment['payload']['coordinates']['lat'];
          $long = $attachment['payload']['coordinates']['long'];
        break;
        case 'image': 
          $url = $attachment['payload']['url']
        break;
      }
  }
}