original_string: public function get_setting() {
          $site = course_get_format(get_site())->get_course();
          return $site->{$this->name} != '' ? $site->{$this->name} : NULL;
      }
code: public function get_setting() {
          $site = course_get_format(get_site())->get_course();
          return $site->{$this->name} != '' ? $site->{$this->name} : NULL;
      }
code_tokens: public function get_setting ( ) { $ site = course_get_format ( get_site ( ) ) -> get_course ( ) ; return $ site -> { $ this -> name } != '' ? $ site -> { $ this -> name } : NULL ; }
docstring: Return the current setting
  
  @return mixed string or null
docstring_tokens: Return the current setting