code: def retrieveVals(self):
          
          fpminfo = PHPfpmInfo(self._host, self._port, self._user, self._password, 
                               self._monpath, self._ssl)
          stats = fpminfo.getStats()
          if self.hasGraph('php_fpm_connections') and stats: 
              self.setGraphVal('php_fpm_connections', 'conn', 
                               stats['accepted conn'])
          if self.hasGraph('php_fpm_processes') and stats: 
              self.setGraphVal('php_fpm_processes', 'active', 
                               stats['active processes'])
              self.setGraphVal('php_fpm_processes', 'idle', 
                               stats['idle processes'])
              self.setGraphVal('php_fpm_processes', 'total', 
                               stats['total processes'])
docs: Retrieve values for graphs.