/**
* Return the number of days in a month for a given year and calendar.
*
* Shim implementation of \cal_days_in_month()
*
* @link https://php.net/cal_days_in_month
*
* @param $calendar
* @param $month
* @param $year
*
* @return int The number of days in the specified month
*/
public static function calDaysInMonth($calendar, $month, $year)
{
switch ($calendar) {
case CAL_GREGORIAN:
$gregorian = new GregorianCalendar();
return $gregorian->daysInMonth($year, $month);
case CAL_JULIAN:
$julian = new JulianCalendar();
return $julian->daysInMonth($year, $month);
case CAL_FRENCH:
$french = new FrenchCalendar();
return $french->daysInMonth($year, $month);
case CAL_JEWISH:
$jewish = new JewishCalendar();
return $jewish->daysInMonth($year, $month);
default:
return trigger_error('invalid calendar ID ' . $calendar . '.', E_USER_WARNING);
}
}
