original_string: private static function _getTagSupportForCache()
      {
          $backend = self::$_cache->getBackend();
          if ($backend instanceof Zend_Cache_Backend_ExtendedInterface) {
              $cacheOptions = $backend->getCapabilities();
              self::$_cacheTags = $cacheOptions['tags'];
          } else {
              self::$_cacheTags = false;
          }
  
          return self::$_cacheTags;
      }
code: private static function _getTagSupportForCache()
      {
          $backend = self::$_cache->getBackend();
          if ($backend instanceof Zend_Cache_Backend_ExtendedInterface) {
              $cacheOptions = $backend->getCapabilities();
              self::$_cacheTags = $cacheOptions['tags'];
          } else {
              self::$_cacheTags = false;
          }
  
          return self::$_cacheTags;
      }
code_tokens: private static function _getTagSupportForCache ( ) { $ backend = self :: $ _cache -> getBackend ( ) ; if ( $ backend instanceof Zend_Cache_Backend_ExtendedInterface ) { $ cacheOptions = $ backend -> getCapabilities ( ) ; self :: $ _cacheTags = $ cacheOptions [ 'tags' ] ; } else { self :: $ _cacheTags = false ; } return self :: $ _cacheTags ; }
docstring: Internal method to check if the given cache supports tags
  
  @param Zend_Cache $cache
docstring_tokens: Internal method to check if the given cache supports tags