root/trunk/index.php

<?php

/**
 * Package: Spam Board 5
 * File: index.php
 * Description: wrapper file calling all the others directly or indirectly
 *
 * Copyright (C) 2007, 2008 Hannes Schueller
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program (see LICENCE). If not,
 * see <http://www.gnu.org/licenses/>.
 **/

// disable output of error messages and warnings
ini_set('display_errors', 'Off');

// if install script is present, redirect there
if (is_file('install.php')) {
    header('Location: install.php');
}

// load classes on demand; in spite of being spread over two directories, class names obviously have to be unique
function __autoload($class) {
    if (is_file('classes/pages/' . $class . '.php')) {
        require_once('classes/pages/' . $class . '.php');
    } elseif (is_file('classes/misc/' . $class . '.php')) {
        require_once('classes/misc/' . $class . '.php');
    } else { die('Class ' . $class . ' not found.'); }
}

// global settings file
require_once('includes/config/settings.php');

// import version number
require_once('includes/config/version.php');

// bots definition
require_once('includes/config/bots.php');

// get memberstages
require_once('includes/config/memberstages.php');

// cryptography module
require_once('includes/config/crypt.php');

// load formatting functions
$F = new Format();

// language file
require('includes/lang/' . $SETTINGS['language'] . '.php');

// input validation
require_once('includes/input.php');

// open SQL connection
$C = new Connection();

// initialize session
require_once('includes/session.php');

// check if too many failed login attempts
require_once('includes/checklogin.php');

// override global language setting with user preference if present
if ($_SESSION['lang'] != '') {
    include('includes/lang/' . $_SESSION['lang'] . '.php');
    $LANGUAGE = $_SESSION['lang'];
} else {
    $LANGUAGE = $SETTINGS['language'];
}

// construct requested page
$inc = ucfirst($INPUT['show']);
$page = new $inc($INPUT['id']);

/* send output to browser;
 * NOTHING is sent before apart from header data. The complete XML tree is only constructed in memory before to ensure it will be well-formed. Obviously, such a guarantee can't be given if it's sent 'on the fly'. */
$page->out();

// close database connection
$C = NULL;

// destroy global formatting object
unset($F);

// everything done - page object no longer needed
unset($page);

?>