Mini Shell

<?php

/*
 * connection database
 */
include '../db/database.php'; 
include '../admin/session.php';
/*
 * check POST
 */
$lc_id = isset($_POST['level_class']) ? $_POST['level_class'] : "";
//$course = isset($_POST['course']) ? $_POST['course'] : "";
$Query = mysqli_query($link2,"SELECT * FROM class_room WHERE academic_year='$s_year' AND lc_id='{$lc_id}'");
$Rows = mysqli_num_rows($Query);
if ($Rows > 0) {
    while ($Result = mysqli_fetch_array($Query)) {
        echo "<option value=\"" . $Result['class_id'] . "\">" . $Result['class_name'] . "</option>";
    }
}else{
    echo "<option value=\"\">---ไม่มีรายการที่เลือก---</option>";
}