}
 
               // holidays
-              //if ($this->showHolidays) {
               global $user;
-              if ($user->show_holidays) {
+              if ($user->isOptionEnabled('show_holidays')) {
               foreach ($this->holidays as $day) {
                 if($day == $date) {
                   $stl_cell = ' class="CalendarDayHoliday"';
 
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