+ // isWeekend determines if $date falls on weekend.
+ static function isWeekend($date) {
+ $weekDay = date('w', strtotime($date));
+ return ($weekDay == WEEKEND_START_DAY || $weekDay == (WEEKEND_START_DAY + 1) % 7);
+ }
+
+ // isHoliday determines if $date falls on a holiday.
+ static function isHoliday($date) {
+ global $i18n;
+ // $date is expected as string in DB_DATEFORMAT.
+ $month = date('m', strtotime($date));
+ $day = date('d', strtotime($date));
+ if (in_array($month.'/'.$day, $i18n->holidays))
+ return true;
+
+ return false;
+ }
+