... PHP 4 >= 4.0.0) icap_list_alarms -- Return a list of events that has an alarm triggered at the given datetime . int icap_list_alarms ( int stream_id, array date, array time) . Returns an array of event ID's that has an alarm going off at the given datetime. icap_list_alarms() function takes in a datetime for a calendar stream. An array of event id's that has an alarm should be going off at the datetime are returned. ... int year - year . int month - month . ... int hour - hour . ...