public function get($key)
 {
     switch ($key) {
         case 'wp_vers':
             return NULL;
         case 'plugin_dir':
         case 'plugin_url':
         case 'plugin_basename':
         case 'textdomain_loaded':
         case 'encoding_converted':
         case 'theme':
         case 'theme_root':
         case 'theme_root_uri':
         case 'template_dir':
         case 'template_uri':
             return $this->{$key};
         default:
             if (!$this->ktai) {
                 return KtaiServices::get($key);
             }
             return $this->ktai->get($key);
     }
 }
 public function show_author_id($comment, $box)
 {
     $id = KtaiServices::read_term_id($comment);
     $author = array();
     if (count($id)) {
         if ($id[0]) {
             $author[] = sprintf(__('Term ID: %s', 'ktai_style'), esc_attr($id[0]));
         }
         if ($id[1]) {
             $author[] = sprintf(__('USIM ID: %s', 'ktai_style'), esc_attr($id[1]));
         }
         if ($id[2]) {
             $author[] = sprintf(__('Sub ID: %s', 'ktai_style'), esc_attr($id[2]));
         }
         if (count($author)) {
             echo implode('<br />', $author);
         } else {
             _e('N/A', 'ktai_style');
         }
     } else {
         _e('N/A', 'ktai_style');
     }
 }