original_string: public function setInput($data, $encoding = '')
      {
          $this->_input    = $data;
          $this->_encoding = $encoding;
          $this->reset();
      }
code: public function setInput($data, $encoding = '')
      {
          $this->_input    = $data;
          $this->_encoding = $encoding;
          $this->reset();
      }
code_tokens: public function setInput ( $ data , $ encoding = '' ) { $ this -> _input = $ data ; $ this -> _encoding = $ encoding ; $ this -> reset ( ) ; }
docstring: Tokenization stream API
  Set input
  
  @param string $data
docstring_tokens: Tokenization stream API Set input