/**
  * Loads the file of active template of the given file name.
  * 
  * @since       2.3.9
  * @param       string      $sFileName      The file base name with file extension to load.
  * @param       string      $sMethod        The method to load. Either 'include' or 'enqueue_style' is accepted. Use 'enqueue_style' for styles.
  */
 private function _loadFileOfActiveTemplatesByFileName($sFileName = 'functions.php', $sMethod = 'include')
 {
     $_oOption = FetchTweets_Option::getInstance();
     foreach ($_oOption->getActiveTemplates() as $_aTemplate) {
         $_oTemplate = new FetchTweets_Template($_aTemplate['sSlug']);
         $_sFilePath = $_oTemplate->getPathByFileName($sFileName);
         if (!$_sFilePath) {
             continue;
         }
         if (in_array($_sFilePath, self::$_aLoaded)) {
             continue;
         }
         self::$_aLoaded[$_sFilePath] = $_sFilePath;
         switch ($sMethod) {
             default:
             case 'include':
                 include $_sFilePath;
                 break;
             case 'enqueue_style':
                 wp_register_style("fetch-tweets-" . md5($_aTemplate['sDirPath']), FetchTweets_WPUtilities::getSRCFromPath($_sFilePath));
                 wp_enqueue_style("fetch-tweets-" . md5($_aTemplate['sDirPath']));
                 break;
         }
     }
 }
 /**
  * Returns the thumbnail url.
  * @since       2.3.9
  */
 public function getThumbnailURL()
 {
     return FetchTweets_WPUtilities::getSRCFromPath($this->getThumbnailPath());
 }