original_string: protected function _read($length)
      {
          $data = bzread($this->_fileHandler, $length);
  
          if (false === $data) {
              throw new Mage_Exception('Failed to read data from ' . $this->_filePath);
          }
  
          return $data;
      }
code: protected function _read($length)
      {
          $data = bzread($this->_fileHandler, $length);
  
          if (false === $data) {
              throw new Mage_Exception('Failed to read data from ' . $this->_filePath);
          }
  
          return $data;
      }
code_tokens: protected function _read ( $ length ) { $ data = bzread ( $ this -> _fileHandler , $ length ) ; if ( false === $ data ) { throw new Mage_Exception ( 'Failed to read data from ' . $ this -> _filePath ) ; } return $ data ; }
docstring: Read data from bz archive
  
  @throws Mage_Exception
  @param int $length
  @return string
docstring_tokens: Read data from bz archive