function insertChoice($question, $text, $correct, $exclusive)
{
$text = str_value($text);
$this->query("insert into oes_Choice values (null, {$question}, {$text}, {$correct}, {$exclusive})");
return $this->getLastInsertID();
}
<?php
include_once "../config.php";
include_once "../lib/Database.php";
session_start();
unset($_SESSION['user']);
if (isset($_POST['submit'])) {
$id = str_value($_POST['id']);
$pass = str_value($_POST['pass']);
$db = new Database(DB_HOST, DB_USER, DB_PASS);
$db->selectDatabase(DB_NAME);
$user = $db->getValue("select ID from oes_User where ID = {$id} and Pass = sha1({$pass})");
if ($user != null) {
$_SESSION['user'] = $user;
if (isset($_SESSION['page'])) {
$page = $_SESSION['page'];
} else {
$page = 'exam.php';
}
header("Location: {$page}");
} else {
?>
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/></head>
<center>Đăng nhập thất bại!</center>
<center>Xin hãy kiểm tra thông tin đã nhập.</center>
<center><button onClick='history.back()'>Trở lại</button></center>
<?php
}
return;
}
?>
