(PHP 3 = 3.0.13, PHP 4 )
Returns an array of event ID's that has an alarm going
off between the start and end dates, or if just a stream is
given, uses the start and end dates in the global event
structure.
mcal_list_events() function takes in an
optional beginning date and an end date for a calendar
stream. An array of event id's that are between the given
dates or the internal event dates are returned.