';
echo $html;
exit;
$query = "SELECT c.Course_ID, c.Course_Name,
(SELECT tcp.Priority FROM teacher_course_preferences tcp WHERE tcp.Teacher_ID = ? AND tcp.Course_ID = c.Course_ID AND tcp.Program_ID = ?) as Priority
FROM Courses c WHERE c.Program_ID = ? ORDER BY c.Course_ID";
$stmt = $mysqli->prepare($query);
$stmt->bind_param('iii', $teacherID, $programID, $programID);
$stmt->execute();
$res = $stmt->get_result();
$i = 1;
$html = '';
while($row = $res->fetch_assoc()) {
$checked = ($row['Priority']) ? 'checked' : '';
$disabled = ($row['Priority']) ? '' : 'disabled';
$html .= '