/**
* Returns the number of days in a year/month pair
* @param int $year
* @param int $month
* @return int the number of days in the month
*/
public static function daysInMonth($year, $month)
{
if ($month == 4 || $month == 6 || $month == 9 || $month == 11) {
return 30;
} else {
if ($month != 2) {
return 31;
}
}
return 28 + RepeatRuleDateTime::hasLeapDay($year);
}
