original_string: private function _round($input, $key, $hashPassword, $iv = null)
      {
          $bin = DataConverter::rawToBin($this->_encrypt($input . $key, $hashPassword, $iv));
  
          return substr($bin, -1 * $this->sideSize);
      }
code: private function _round($input, $key, $hashPassword, $iv = null)
      {
          $bin = DataConverter::rawToBin($this->_encrypt($input . $key, $hashPassword, $iv));
  
          return substr($bin, -1 * $this->sideSize);
      }
code_tokens: private function _round ( $ input , $ key , $ hashPassword , $ iv = null ) { $ bin = DataConverter :: rawToBin ( $ this -> _encrypt ( $ input . $ key , $ hashPassword , $ iv ) ) ; return substr ( $ bin , - 1 * $ this -> sideSize ) ; }
docstring: Round function helper.
  
  @param string      $input
  @param string      $key
  @param string      $hashPassword
  @param string|null $iv
  
  @return string Binary string.
docstring_tokens: Round function helper .