/**
  * Save map field coordinates to the selected latitude/longitude fields
  * @param int $post_id
  * @see https://wordpress.org/support/topic/possible-to-search-distance-between-posts-user
  */
 public function saveMapFieldCoordinates($post_id)
 {
     if (empty($_POST['acf'])) {
         return;
     }
     $option = get_option('wpsl_acf_map_field');
     if (!$option) {
         return;
     }
     if (!isset($_POST['acf'][$option])) {
         return;
     }
     $map_field = $_POST['acf'][$option];
     if (isset($map_field['lat']) && isset($map_field['lng'])) {
         update_post_meta($post_id, $this->settings_repo->getGeoField('lat'), $map_field['lat']);
         update_post_meta($post_id, $this->settings_repo->getGeoField('lng'), $map_field['lng']);
     }
 }