This sets the timer interval

@param 	callback  A function that is called once the timer is destroyed
@return	void
343682
function(callback) {
			var t = this;
	
			t._interval(callback);

			t.timer = setInterval(function() {		
				t._interval(callback);
			}, this.interval);
		}
189922
public function start($interval = 1000000, $timeout = null, Closure $callback = null)
    {
        $this->startWatch($interval, $timeout, $callback);
    }
74099
public function tick(int $interval, Closure $callback, $parameters = null): int
    {
        return $this->getSwoole()->tick($interval, $callback, $parameters);
    }
664901
function(callback) {
			var timeout = window.setTimeout(function(){
				callback();
			},2000);
			window.onload = function(){
				clearTimeout(timeout);
				callback();
			};
		}
1024757
void setInterval(String interval) {

        final int i = CmsSerialDateUtil.toIntWithDefault(interval, -1);
        if (m_model.getInterval() != i) {
            removeExceptionsOnChange(new Command() {

                public void execute() {

                    m_model.setInterval(i);
                    onValueChange();
                }
            });
        }

    }
728095
public function addLifecycleCallback(string $callback, string $event) : void
    {
        if (isset($this->lifecycleCallbacks[$event]) && in_array($callback, $this->lifecycleCallbacks[$event])) {
            return;
        }

        $this->lifecycleCallbacks[$event][] = $callback;
    }
692876
function onTimer($timerId)
    {
        $now = time();
        //echo "timer $interval\n";
        foreach ($this->wait_requests as $id => $request)
        {
            if ($request->time < $now - $this->request_timeout)
            {
                $response = new Swoole\Response;
                $response->setHeader('Access-Control-Allow-Origin', $this->origin);
                $response->body = json_encode(array('success' => 0, 'text' => 'timeout'));
                $this->response($request, $response);
                unset($this->wait_requests[$id]);
            }
        }
    }
464434
private function createTimerCallback()
    {
        $timers = $this->timerEvents;
        $this->timerCallback = function ($_, $__, $timer) use ($timers) {
            \call_user_func($timer->getCallback(), $timer);

            if (!$timer->isPeriodic() && $timers->contains($timer)) {
                $this->cancelTimer($timer);
            }
        };
    }
1010186
function(clock, deadline, func) {
  this.clock = clock
  this.func = func
  this._cleared = false // Flag used to clear an event inside callback

  this.toleranceLate = clock.toleranceLate
  this.toleranceEarly = clock.toleranceEarly
  this._latestTime = null
  this._earliestTime = null
  this.deadline = null
  this.repeatTime = null

  this.schedule(deadline)
}
1210634
function(callback, delay, repetitions) {
  var x = 0;
  var intervalID = setInterval(function () {
    if (++x === repetitions) {
      clearInterval(intervalID);
      receive_interval_timer = false;
    }
    callback();
  }, delay);
  return intervalID;
}
1180824
public function setTimeout($timeout)
    {
        $timeout = intval($timeout);
        if (!empty($timeout)) {
            $this->timeout = $timeout;
        }
    }
931573
function Timer(timeout, timeoutCallback) {
  this.finalTime = false;
  this.time = Date.now();
  this.TimerFunction = setTimeout(timeoutCallback, timeout);
}
1273639
function (minimumInterval, callback) {
    var timeout = null;
    return function () {
        var that = this, args = arguments;
        if(timeout === null) {
            timeout = setTimeout(function () {
                timeout = null;
            }, minimumInterval);
            callback.apply(that, args);
        }
    };
}
1144928
function delay (callback, wait) {
  var args = arraySlice(arguments, 2)
  var context = this
  return setTimeout(function () {
    callback.apply(context, args)
  }, wait)
}
410515
function() {
			clearTimeout(this._delayedCallId);

			// if interval is active and there are registered listeners
			var bHasListeners = this._oEventBus._defaultChannel.hasListeners(_EVENT_ID);
			if (this._iInterval > 0 && bHasListeners) {
				this._oEventBus.publish(_EVENT_ID);

				this._delayedCallId = setTimeout(this._trigger, this._iInterval);
			}
		}
1067927
function(callback, err) {
    if (err) {
      if (callback) callback(err);
      return;
    }

    var duration = new Date().getTime() - this.start;
    this.logger.log('Done in ' + duration + 'ms.');

    if (callback) callback();
  }
67380
def set_call_back(self, func):

        """"""

        self.timer.add_callback(func)
        self.timer.start()