original_string: public function getRangeString()
      {
          $dateStart = $this->getDateStart();
          $dateEnd   = $this->getDateEnd();
  
          return $dateStart->toString("Y-m-d") . "," . $dateEnd->toString("Y-m-d");
      }
code: public function getRangeString()
      {
          $dateStart = $this->getDateStart();
          $dateEnd   = $this->getDateEnd();
  
          return $dateStart->toString("Y-m-d") . "," . $dateEnd->toString("Y-m-d");
      }
code_tokens: public function getRangeString ( ) { $ dateStart = $ this -> getDateStart ( ) ; $ dateEnd = $ this -> getDateEnd ( ) ; return $ dateStart -> toString ( "Y-m-d" ) . "," . $ dateEnd -> toString ( "Y-m-d" ) ; }
docstring: Returns the date range string comprising two dates
  
  @return string eg, `'2012-01-01,2012-01-31'`.
docstring_tokens: Returns the date range string comprising two dates