Condition if there exists any event at specific day

I just modified some functions such as extended drag and modify them to save a timestamp (start and end) into a hidden input (I send those informati开发者_开发知识库on to MySQL). But one of the conditions is that event that I dragged can't exist with another event in one day. Is there any method in fullcallendar that can tell me if that condition is fulfilled?

Thanks for answers. :)

You could implement the eventDrop function so that it calls clientEvents to see if there are any events that overlap the one that has been dropped.