original_string: public function get_label() {
          if (!isset($this->grade->label)) {
              $this->grade->label = '';
          }
          return $this->grade->label;
      }
code: public function get_label() {
          if (!isset($this->grade->label)) {
              $this->grade->label = '';
          }
          return $this->grade->label;
      }
code_tokens: public function get_label ( ) { if ( ! isset ( $ this -> grade -> label ) ) { $ this -> grade -> label = '' ; } return $ this -> grade -> label ; }
docstring: Get the label for this form element.
  
  @return string
docstring_tokens: Get the label for this form element .