index.php

<?php
$CONFIG_FILE = (is_readable('lms.ini')) ? 'lms.ini' : DIRECTORY_SEPARATOR . 'etc' . DIRECTORY_SEPARATOR . 'lms' . DIRECTORY_SEPARATOR . 'lms.ini';

// REPLACE THIS WITH PATH TO YOUR CONFIG FILE

$CONFIG_FILE = (is_readable('lms.ini')) ? 'lms.ini' : DIRECTORY_SEPARATOR . 'etc' . DIRECTORY_SEPARATOR . 'lms' . DIRECTORY_SEPARATOR . 'lms.ini';

// PLEASE DO NOT MODIFY ANYTHING BELOW THIS LINE UNLESS YOU KNOW
// *EXACTLY* WHAT ARE YOU DOING!!!
// *******************************************************************

ini_set('session.name', 'LMSSESSIONID');
ini_set('error_reporting', E_ALL & ~E_NOTICE);

// find alternative config files:
if (is_readable('lms.ini')) {
	$CONFIG_FILE = 'lms.ini';
} elseif (is_readable(DIRECTORY_SEPARATOR . 'etc' . DIRECTORY_SEPARATOR . 'lms' . DIRECTORY_SEPARATOR . 'lms-' . $_SERVER['HTTP_HOST'] . '.ini')) {
	$CONFIG_FILE = DIRECTORY_SEPARATOR . 'etc' . DIRECTORY_SEPARATOR . 'lms' . DIRECTORY_SEPARATOR . 'lms-' . $_SERVER['HTTP_HOST'] . '.ini';
} elseif (is_readable('..' . DIRECTORY_SEPARATOR . 'lms.ini')) {
	$CONFIG_FILE = '..' . DIRECTORY_SEPARATOR . 'lms.ini';
} elseif (!is_readable($CONFIG_FILE)) {
	die('Unable to read configuration file [' . $CONFIG_FILE . ']!');
}

define('CONFIG_FILE', $CONFIG_FILE);

// Parse configuration file
$CONFIG = (array)parse_ini_file($CONFIG_FILE, true);

// Check for configuration vars and set default values
$CONFIG['directories']['sys_dir'] = (!isset($CONFIG['directories']['sys_dir']) ? getcwd() : $CONFIG['directories']['sys_dir']);
$CONFIG['directories']['lib_dir'] = (!isset($CONFIG['directories']['lib_dir']) ? $CONFIG['directories']['sys_dir'] . DIRECTORY_SEPARATOR . 'lib' : $CONFIG['directories']['lib_dir']);
$CONFIG['directories']['userpanel_dir'] = (!isset($CONFIG['directories']['userpanel_dir']) ? getcwd() : $CONFIG['directories']['userpanel_dir']);
$CONFIG['directories']['modules_dir'] = (!isset($CONFIG['directories']['modules_dir']) ? $CONFIG['directories']['sys_dir'] . DIRECTORY_SEPARATOR . 'modules' : $CONFIG['directories']['modules_dir']);
$CONFIG['directories']['smarty_compile_dir'] = $CONFIG['directories']['userpanel_dir'] . DIRECTORY_SEPARATOR . 'templates_c';
$CONFIG['directories']['plugin_dir'] = (!isset($CONFIG['directories']['plugin_dir']) ? $CONFIG['directories']['sys_dir'] . DIRECTORY_SEPARATOR . 'plugins' : $CONFIG['directories']['plugin_dir']);
$CONFIG['directories']['plugins_dir'] = $CONFIG['directories']['plugin_dir'];
$CONFIG['directories']['doc_dir'] = (!isset($CONFIG['directories']['doc_dir']) ? $CONFIG['directories']['sys_dir'] . DIRECTORY_SEPARATOR . 'documents' : $CONFIG['directories']['doc_dir']);
$CONFIG['directories']['vendor_dir'] = (!isset($CONFIG['directories']['vendor_dir']) ? $CONFIG['directories']['sys_dir'] . DIRECTORY_SEPARATOR . 'vendor' : $CONFIG['directories']['vendor_dir']);

define('SYS_DIR', $CONFIG['directories']['sys_dir']);
define('LIB_DIR', $CONFIG['directories']['lib_dir']);
define('DOC_DIR', $CONFIG['directories']['doc_dir']);
define('MODULES_DIR', $CONFIG['directories']['modules_dir']);
define('SMARTY_COMPILE_DIR', $CONFIG['directories']['smarty_compile_dir']);
define('PLUGIN_DIR', $CONFIG['directories']['plugin_dir']);
define('PLUGINS_DIR', $CONFIG['directories']['plugin_dir']);
define('VENDOR_DIR', $CONFIG['directories']['vendor_dir']);

define('K_TCPDF_EXTERNAL_CONFIG', true);

// include required files

// Load autoloader
$composer_autoload_path = VENDOR_DIR . DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($composer_autoload_path)) {
	require_once $composer_autoload_path;
} else {
	die("Composer autoload not found. Run 'composer install' command from LMS directory and try again. More informations at https://getcomposer.org/");
}

// Initialize database

$DB = null;

try {
	$DB = LMSDB::getInstance();
} catch (Exception $ex) {
	trigger_error($ex->getMessage(), E_USER_WARNING);
	// can't working without database
	die("Fatal error: cannot connect to database!<BR>");
}

$_SERVER['REMOTE_ADDR'] = str_replace("::ffff:", "", $_SERVER['REMOTE_ADDR']);

$AUTH = null;
$SYSLOG = SYSLOG::getInstance();
if ($SYSLOG) {
	$SYSLOG->NewTransaction('userpanel');
}

$LMS = new LMS($DB, $AUTH, $SYSLOG);

// Include required files (including sequence is important)
require_once(LIB_DIR . DIRECTORY_SEPARATOR . 'common.php');
require_once(LIB_DIR . DIRECTORY_SEPARATOR . 'language.php');
include_once(LIB_DIR . DIRECTORY_SEPARATOR . 'definitions.php');