original_string: public function isLucky()
      {
          if (isset($this->isLucky)) {
              return $this->isLucky;
          }
          $this->isLucky = $this->checkLuck();
          return $this->isLucky;
      }
code: public function isLucky()
      {
          if (isset($this->isLucky)) {
              return $this->isLucky;
          }
          $this->isLucky = $this->checkLuck();
          return $this->isLucky;
      }
code_tokens: public function isLucky ( ) { if ( isset ( $ this -> isLucky ) ) { return $ this -> isLucky ; } $ this -> isLucky = $ this -> checkLuck ( ) ; return $ this -> isLucky ; }
docstring: Returns true if you are lucky
  @return bool
docstring_tokens: Returns true if you are lucky