/**
  * Closes all open output buffers, either by flushing or cleaning all
  * open buffers, and optionally, the Eight output buffer.
  *
  * @param   boolean  disable to clear buffers, rather than flushing
  * @param   boolean  close the eight output buffer
  * @return  void
  */
 public static function close_buffers($flush = YES, $eight_buffer = YES)
 {
     if (ob_get_level() >= self::$buffer_level) {
         // Set the close function
         $close = $flush === YES ? 'ob_end_flush' : 'ob_end_clean';
         while (ob_get_level() > self::$buffer_level) {
             // Flush or clean the buffer
             $close();
         }
         if ($eight_buffer === YES) {
             // This will flush the Eight buffer, which sets self::$output
             ob_end_clean();
             // Reset the buffer level
             self::$buffer_level = ob_get_level();
         }
     }
 }