PHP의 캘린더 예외 제거

 1$ project = 새 프로젝트 ( 'test_tasks.mpp');
 2
 3$ cal = $ project-> getCalendars ()-> tolist ()-> get (0);
 4
 5if ((int) (string) ($ cal-> getExceptions ()-> getCount ())> 1) {
 6
 7    $exception = $cal -> getExceptions() -> toList() -> get(0);
 8
 9    $cal -> getExceptions() -> remove($exception);
10
11    print "Removed calendar exception.";
12
13}