+ // holidayMatch determines if $date matches a single $holiDateSpec.
+ static function holidayMatch($date, $holiDateSpec) {
+
+ $dateArray = explode('-', $date);
+ $holiDateSpecArray = explode('-', $holiDateSpec);
+
+ // Check year.
+ if ($dateArray[0] != $holiDateSpecArray[0] && $holiDateSpecArray[0] != '****') // **** means all years.
+ return false;
+ // Check month.
+ if ($dateArray[1] != $holiDateSpecArray[1])
+ return false;
+ // Check day.
+ if ($dateArray[2] != $holiDateSpecArray[2])
+ return false;
+
+ return true;
+ }
+
+ // dateInDatabaseFormat prepares a date string in DB_DATEFORMAT out of year, month, and day.
+ static function dateInDatabaseFormat($year, $month, $day) {
+ $date = "$year-";
+ if (strlen($month) == 1) $date .= '0';
+ $date .= "$month-";
+ if (strlen($day) == 1) $date .= '0';
+ $date .= $day;
+ return $date;
+ }
+