function auth_is_member_of($groupname)
{
    try {
        foreach (backend_hent_brugers_medlemskaber($_SESSION['brugernavn']) as $group) {
            if ($group['gruppenavn'] == $groupname) {
                return true;
            }
        }
    } catch (DatabaseException $e) {
    } catch (UkendtBrugerException $e) {
        auth_logout();
        header('location: login.php');
        die('User not found.');
    }
    return false;
}

 * MantisBT Core API's
 */
require_once 'core.php';
require_once 'email_api.php';
form_security_validate('signup');
$f_username = strip_tags(gpc_get_string('username'));
$f_email = strip_tags(gpc_get_string('email'));
$f_captcha = gpc_get_string('captcha', '');
$f_username = trim($f_username);
$f_email = email_append_domain(trim($f_email));
$f_captcha = utf8_strtolower(trim($f_captcha));
# Retrieve captcha key now, as session might get cleared by logout
$t_form_key = session_get_int(CAPTCHA_KEY, null);
# force logout on the current user if already authenticated
if (auth_is_user_authenticated()) {
    auth_logout();
}
# Check to see if signup is allowed
if (OFF == config_get_global('allow_signup')) {
    print_header_redirect('login_page.php');
    exit;
}
if (ON == config_get('signup_use_captcha') && get_gd_version() > 0 && helper_call_custom_function('auth_can_change_password', array())) {
    # captcha image requires GD library and related option to ON
    $t_key = utf8_strtolower(utf8_substr(md5(config_get('password_confirm_hash_magic_string') . $t_form_key), 1, 5));
    if ($t_key != $f_captcha) {
        trigger_error(ERROR_SIGNUP_NOT_MATCHING_CAPTCHA, ERROR);
    }
    # Clear captcha cache
    session_delete(CAPTCHA_IMG);
}

<?php

//prepare the templates and include all neccessary
require_once './lib/common.inc.php';
//Preprocessing
if ($error == false) {
    if (isset($_GET['token']) && isset($_SESSION['logout_cookie']) && $_GET['token'] == $_SESSION['logout_cookie']) {
        //load language specific variables
        require_once $stylepath . '/login.inc.php';
        if (auth_logout() == true) {
            $_SESSION = array();
            session_destroy();
        }
    }
}
$target = isset($_GET['target']) ? $target : "index.php";
header('Location: ' . urlencode($target));
die;

//.........这里部分代码省略.........
				Try <a href="index.php?view=login&amp;task=login">logging in</a> if that is the case.</p>
				<?php 
                } else {
                    // Format the birth date correctly
                    $data['birth_date'] = form2sql_date($data['birth_date']);
                    $user = auth_register($data);
                    if ($user == null) {
                        $show_form = false;
                        ?>
	<p><strong>Thanks for registering!</strong><br /> Please proceed to <a href="index.php?view=login&amp;task=login">login</a> into your new account.</p>
	<?php 
                    } else {
                        ?>
	<p><b>That user-handle has already been taken!</b><br/> It belongs to an user registered with the name <?php 
                        echo $user['first_name'] . ' ' . $user['last_name'];
                        ?>
. Please try again with another handle.</p>
	<?php 
                    }
                }
            }
            if ($show_form) {
                ?>
<p><strong>Please fill in your details below.</strong><br /> 
Please choose your <strong>handle</strong> and <strong>division</strong> carefully. Once chosen, they cannot be changed. Moreover, choosing an inappropriate division will lead to disqualification.
<br> 
<br>Any doubts and problems should find their way to the <? echo '<a href="mailto:'.$cfg["site"]["email"].'">admins</a>'; ?>.
</p>
<?php 
                $form->display();
            }
            break;
        case 'logout':
            auth_logout();
            redirect('index.php');
            break;
        case 'login':
            $form = new HTML_QuickForm('loginForm', 'post', 'index.php?view=login&task=login');
            $form->addElement('header', null, 'Login');
            $form->addElement('text', 'handle', 'Handle:');
            $form->addElement('password', 'password', 'Password:');
            $form->addElement('submit', null, 'Submit');
            $form->applyFilter('handle', 'trim');
            $form->applyFilter('handle', 'strtolower');
            if ($form->validate()) {
                if (auth_login($form->getSubmitValue('handle'), $form->getSubmitValue('password'))) {
                    redirect('index.php');
                } else {
                    echo "<p>Invalid handle or password! Please try again.</p>\n";
                }
            } else {
                $signature = '<i>' . $_SERVER['SERVER_SOFTWARE'] . ' Server at ' . $_SERVER['SERVER_NAME'] . ', port ' . $_SERVER['SERVER_PORT'] . '</i>';
                ?>
<p><strong>Welcome!</strong><br />
Please login to proceed, or <a href="index.php?view=login&amp;task=register">register</a>
 with us if you're new here.</p>
<?php 
            }
            $form->display();
            ?>
<p class="system_info">This is <b>OGS 2</b> running on <? echo $signature ?>.<br />
<b>Server System:</b> <?php 
            system("uname -srmp");
            ?>
</p>
<hr />

        echo var_dump($arr);
        //$contents = fread($handle, filesize($filename));
        fclose($handle);
        // parse dic file
        // ...
    }
    echo "error - {$error} id is {$id} " . var_dump($_FILES);
    if (!$error) {
        echo var_dump($files);
    }
}
//
//  New case block
//
if ($cmd == "logout") {
    $return = auth_logout();
}
if ($cmd == "auth") {
    $return = auth_login();
}
//
if ($auth) {
    $subcmd = substr($cmd, strlen($cmd) - 4);
    if ($subcmd == "_lst" || $subcmd == "_str" || $subcmd == "_upd" || $subcmd == "_del" || $subcmd == "_new") {
        $return = process_table();
    } else {
        if ($cmd == "text_anl") {
            $return = text_analyser();
        }
        if ($cmd == "dic_upl") {
            $return = dic_upload();

/**
 * @description router app
 * @param $uri
 */
function router($uri)
{
    $uri = explode('?', $uri);
    $uri = ltrim($uri[0], '/');
    $page = !empty($_GET['page']) ? $_GET['page'] : null;
    $id = !empty($_GET['id']) ? $_GET['id'] : null;
    $method = strtolower($_SERVER["REQUEST_METHOD"]);
    /**
     * @method POST
     */
    if ($method == 'post') {
        switch ($uri) {
            case 'login':
                post_login_controller();
                break;
            case 'post/store':
                store_post_controller();
                break;
            case "post/{$id}" && isset($_POST['_method']) && $_POST['_method'] == 'PUT':
                update_post_controller($id);
                break;
            case "post/{$id}" && isset($_POST['_method']) && $_POST['_method'] == 'DELETE':
                destroy_post_controller($id);
                break;
            default:
                throw new RuntimeException('routing error');
        }
    }
    /**
     * @method GET
     */
    if ($method == 'get') {
        switch ($uri) {
            case '':
                home_controller();
                break;
            case "single/{$id}":
                show_controller($id);
                break;
            case "category/{$id}":
                show_post_by_category_controller($id);
                break;
            case 'login':
                login_controller();
                break;
            case "post/{$id}/edit":
                edit_post_controller($id);
                break;
            case preg_match('/dashboard/', $uri) ? true : false:
                index_post_controller($page);
                break;
            case 'post/create':
                create_post_controller();
                break;
            case 'logout':
                auth_logout();
                redirect('/');
                break;
            default:
                throw new RuntimeException('routing error');
        }
    }
}