public static function timeofprvmonth($inp = 0)
{
if ($inp == 0) {
$inp = Fun::dateToday();
}
$datetodaynum = date("d", $inp);
//today date integer (1-31)
$maxdays = date('t', $inp);
//Max days in this month
return $inp - $datetodaynum * (24 * 3600);
}
