Horde_Imap_Client_Data_Format_String::length PHP Method

    public function length()
    {
        return $this->_data->length();
    }

 /**
  * Prepares append message data for insertion into the IMAP command
  * string.
  *
  * @param mixed $data      Either a resource or a string.
  * @param integer &$asize  Total append size.
  *
  * @return Horde_Imap_Client_Data_Format_String  The data object.
  */
 protected function _appendData($data, &$asize)
 {
     if (is_resource($data)) {
         rewind($data);
     }
     $ob = new Horde_Imap_Client_Data_Format_String($data, array('eol' => true, 'skipscan' => true));
     // APPEND data MUST be sent in a literal (RFC 3501 [6.3.11]).
     $ob->forceLiteral();
     $asize += $ob->length();
     return $ob;
 }