original_string: public function get_qt_data() {
          $result = array();
          foreach ($this->data as $name => $value) {
              if ($name[0] != '-' && $name[0] != ':') {
                  $result[$name] = $value;
              }
          }
          return $result;
      }
code: public function get_qt_data() {
          $result = array();
          foreach ($this->data as $name => $value) {
              if ($name[0] != '-' && $name[0] != ':') {
                  $result[$name] = $value;
              }
          }
          return $result;
      }
code_tokens: public function get_qt_data ( ) { $ result = array ( ) ; foreach ( $ this -> data as $ name => $ value ) { if ( $ name [ 0 ] != '-' && $ name [ 0 ] != ':' ) { $ result [ $ name ] = $ value ; } } return $ result ; }
docstring: Get all the question type variables.
  @param array name => value pairs.
docstring_tokens: Get all the question type variables .