public static function parseMonthYear($month, $year)
{
$cal_info = cal_info(CAL_GREGORIAN);
if (is_string($month)) {
// first check full month names
$month_number = DateRange::array_nsearch($month, $cal_info['months']);
// if that doesn't work, check abbreviations
if ($month_number === false) {
$month_number = DateRange::array_nsearch($month, $cal_info['abbrevmonths']);
}
} else {
$month_number = is_int($month) && $month >= 1 && $month <= 12 ? $month : false;
}
if ($month_number !== false) {
$month_days = cal_days_in_month(CAL_GREGORIAN, $month_number, $year);
$startDate = mktime(0, 0, 0, $month_number, 1, $year);
$endDate = mktime(0, 0, 0, $month_number, $month_days, $year);
return new DateRange($startDate, $endDate);
} else {
return null;
}
}
