} else {
if ($tag == "getStudentInfo") {
$student_no = $_GET['student_no'];
$result = $db->getStudentById($student_no);
if ($result != false) {
$res["error"] = FALSE;
$res['result'] = $result;
echo json_encode($res);
} else {
$res["error"] = TRUE;
$res["error_msg"] = "Failed to retrieve student details";
echo json_encode($res);
}
} else {
if ($tag == "getStudents") {
$result = $db->getStudents();
if ($result != false) {
$res['error'] = false;
$res['result'] = $result;
echo json_encode($res);
}
} else {
$response["error"] = TRUE;
$response["error_msg"] = "Unknown tag. Use a proper tag";
echo json_encode($response);
}
}
}
} else {
$response["error"] = TRUE;
$response["error_msg"] = "Required parameter 'tag' is missing!";
