original_string: public function peek() {
          if (($this->char + 1) <= $this->EOF) {
              return $this->data[$this->char + 1];
          }
  
          return false;
      }
code: public function peek() {
          if (($this->char + 1) <= $this->EOF) {
              return $this->data[$this->char + 1];
          }
  
          return false;
      }
code_tokens: public function peek ( ) { if ( ( $ this -> char + 1 ) <= $ this -> EOF ) { return $ this -> data [ $ this -> char + 1 ] ; } return false ; }
docstring: Look ahead without moving cursor.
docstring_tokens: Look ahead without moving cursor .