$survey = json_decode($row['survey_json']);
 if (!isset($survey->geolocation->longitude) || !isset($survey->geolocation->latitude)) {
     continue;
 }
 // create a point feature
 $feature = new stdClass();
 $features[] = $feature;
 $feature->id = $survey_key;
 $feature->type = "Feature";
 $feature->geometry = new stdClass();
 $feature->geometry->type = "Point";
 $feature->geometry->coordinates = [$survey->geolocation->longitude, $survey->geolocation->latitude];
 // add some properties to it
 $feature->properties = new stdClass();
 // we get some properties from the original survey object
 $feature->properties->title = $row['username'] . " on " . getDateStringFromSurvey($survey);
 $feature->properties->user_key = $row['user_key'];
 $feature->properties->public_visible = $row['public'];
 if ($row['osm_address_json']) {
     $osm_address = json_decode($row['osm_address_json']);
     $feature->properties->osm_address_place_id = $osm_address->place_id;
     $feature->properties->osm_address_id = $osm_address->osm_id;
     $feature->properties->osm_address_display_name = $osm_address->display_name;
     if (isset($osm_address->address)) {
         if (isset($osm_address->address->postcode)) {
             $feature->properties->osm_address_postcode = $osm_address->address->postcode;
         }
         if (isset($osm_address->address->country_code)) {
             $feature->properties->osm_address_country_code = $osm_address->address->country_code;
         }
     }
 $survey = json_decode($row['survey_json']);
 // set up the location so the popup will be displayed
 if (isset($survey->geolocation->longitude) && isset($survey->geolocation->latitude)) {
     $center_lon = $survey->geolocation->longitude;
     $center_lat = $survey->geolocation->latitude;
     $zoom = 15;
 }
 // social media here we come
 $social_title = 'A Ten Breaths Place by ' . $row['display_name'] . ' on ' . getDateStringFromSurvey($survey);
 // set up the facebook meta tagging so fb can crawl the page
 $fb_tags['og:url'] = get_server_uri() . 'survey-' . $survey_key;
 $fb_tags['og:type'] = 'place';
 $fb_tags['og:site_name'] = 'Ten Breaths Map';
 $fb_tags['place:location:latitude'] = $survey->geolocation->latitude;
 $fb_tags['place:location:longitude'] = $survey->geolocation->longitude;
 $social_title = 'A Ten Breaths Place by ' . $row['display_name'] . ' on ' . getDateStringFromSurvey($survey);
 $fb_tags['og:title'] = $social_title;
 $twitter_tags['twitter:title'] = $social_title;
 if (isset($survey->textComments)) {
     $comment = $survey->textComments;
     if (strlen($comment) > 0) {
         $fb_tags['og:description'] = $survey->textComments;
         $twitter_tags['twitter:description'] = $survey->textComments;
     }
 }
 if ($row['photo']) {
     $image_url = get_server_uri() . 'data/' . $row['photo'];
     $fb_tags['og:image'] = $image_url;
     $twitter_tags['twitter:image'] = $image_url;
 }
 // set up the twitter card specific meta tagging