human_resource/
    controllers/
        Attendance.php
        Human_resource.php
        Leave.php
        Payroll.php
        Staff.php
        settings/
            Department.php
            Designation.php
            Holiday.php
            Leavetype.php
    models/
        Attendance_model.php
        Leave_model.php
        Payroll_model.php
        Staff_model.php
    views/
        attendance/
            index.php
            modal.php
        leave/
            index.php
            modal.php
        payroll/
            index.php
            payslipview.php
        settings/
            department/
                index.php
                modal.php
            designation/
                index.php
                modal.php
            holiday/
                index.php
                modal.php
            leavetype/
                index.php
                modal.php
        staff/
            dashboard.php
            create/
                basic_information.php
                family_info.php
                index.php
                new.php
                other_info.php
                qualification.php