original_string: public function get_users($userlimit = 0) {
          global $DB;
          $users = $DB->get_records_sql($this->sql, $this->params, 0, $userlimit);
          return $users;
      }
code: public function get_users($userlimit = 0) {
          global $DB;
          $users = $DB->get_records_sql($this->sql, $this->params, 0, $userlimit);
          return $users;
      }
code_tokens: public function get_users ( $ userlimit = 0 ) { global $ DB ; $ users = $ DB -> get_records_sql ( $ this -> sql , $ this -> params , 0 , $ userlimit ) ; return $ users ; }
docstring: Get a list of the most recent online users
  
  @param int $userlimit The maximum number of users that will be returned (optional, unlimited if not set)
  @return array
docstring_tokens: Get a list of the most recent online users