PayableDateController.php

 public function _getLastBusinessDay() {
        // lets figure out the business days..
        $holidayList = array();
        $ourDate = date('Y-m-d', strtotime('-5 weekdays'));

        if (in_array($ourDate, $holidayList)) {
            $ourDate = date('Y-m-d', strtotime('-1 weekday', strtotime($ourDate)));
        }

        return $ourDate;
    }