<option value=" ">Select Time...</option> <?php $total_time_slot = $obj_view->select_total_time_slot($shift_id); $total_slot_array = array(); while ($row = mysql_fetch_assoc($total_time_slot)) { $total_slot_array[] = $row['time_slot_id']; } $doctor_id_by_sess = $_SESSION['doctor_id']; $appointment_date_by_sess = $_SESSION['user_date']; $total_use_time_slot = $obj_view->select_use_time_slot($shift_id, $doctor_id_by_sess, $appointment_date_by_sess); $total_use_slot_array = array(); while ($row1 = mysql_fetch_assoc($total_use_time_slot)) { $total_use_slot_array[] = $row1['time_slot_id']; } $available_time_slot = array_diff($total_slot_array, $total_use_slot_array); $remaining_time_slot = $obj_view->remaining_time_slot($available_time_slot); foreach ($remaining_time_slot as $time_slot) { ?> <option value="<?php echo $time_slot['time_slot_id']; ?> "><?php echo $time_slot['time_slot_time']; ?> </option> <?php } ?> </select> </td> <?php