Назначьте массив PHP в JavaScript
<script type="text/javascript">
$(document).ready(function() {
FACILITY_BOOKING.lst_festival_day = new Array();
<?php foreach($festival_day as $key => $val) { ?>
FACILITY_BOOKING.lst_festival_day.push('<?php echo $val; ?>');
<?php } ?>
});
</script>
Zidane (Vi Ly - VietNam)