}

 }

 // Don't do security check if on Yabbse

 if (!isset($modSettings['smfVersion']))

 	$disable_security = true;

 // This only exists if we're on SMF ;)

 if (isset($modSettings['smfVersion']))

 {

 $upcontext['right_to_left'] = isset($txt['lang_rtl']) ? $txt['lang_rtl'] : false;

 if ($command_line)

 	cmdStep0();

 	$upcontext['sub_template'] = 'welcome_message';

 	// Check for some key files - one template, one language, and a new and an old source file.

 		&& @file_exists($sourcedir . '/QueryString.php')

 		&& @file_exists($sourcedir . '/Subs-Db-' . $db_type . '.php')

 		&& @file_exists(dirname(__FILE__) . '/upgrade_2-1_' . $db_type . '.sql');

 	if (!file_exists($cachedir_temp))

 		return throw_error('The cache directory could not be found.<br /><br />Please make sure you have a directory called &quot;cache&quot; in your forum directory before continuing.');

 		return throw_error('The upgrader was unable to find language files for the language specified in Settings.php.<br />SMF will not work without the primary language files installed.<br /><br />Please either install them, or <a href="' . $upgradeurl . '?step=0;lang=english">use english instead</a>.');

 	elseif (!isset($_GET['skiplang']))

 	{

 		preg_match('~(?://|/\*)\s*Version:\s+(.+?);\s*index(?:[\s]{2}|\*/)~i', $temp, $match);

 		if (empty($match[1]) || $match[1] != SMF_LANG_VERSION)

 	}

 	// This needs to exist!

 		return throw_error('The upgrader could not find the &quot;Install&quot; language file for the forum default language, ' . $upcontext['language'] . '.<br /><br />Please make certain you uploaded all the files included in the package, even the theme and language files for the default theme.<br />&nbsp;&nbsp;&nbsp;[<a href="' . $upgradeurl . '?lang=english">Try English</a>]');

 	else

 	if (!makeFilesWritable($writable_files))

 		return false;

 			$upcontext['upgrade_status']['pass'] = $upcontext['user']['pass'];

 			// Set the language to that of the user?

 			{

 				$user_language = basename($user_language, '.lng');

 				preg_match('~(?://|/\*)\s*Version:\s+(.+?);\s*index(?:[\s]{2}|\*/)~i', $temp, $match);

 				if (empty($match[1]) || $match[1] != SMF_LANG_VERSION)

 					$upcontext['upgrade_options_warning'] = 'The language files for your selected language, ' . $user_language . ', have not been updated to the latest version. Upgrade will continue with the forum default, ' . $upcontext['language'] . '.';

 					$upcontext['upgrade_options_warning'] = 'The language files for your selected language, ' . $user_language . ', have not been uploaded/updated as the "Install" language file is missing. Upgrade will continue with the forum default, ' . $upcontext['language'] . '.';

 				else

 				{

 					$upcontext['upgrade_status']['lang'] = $upcontext['language'];

 					// Include the file.

 				}

 			}

 	$changes = array();

 	// If we're overriding the language follow it through.

 		$changes['language'] = '\'' . $_GET['lang'] . '\'';

 	if (!empty($_POST['maint']))

 			$is_debug = true;

 		elseif ($arg == '--backup')

 			$_POST['backup'] = 1;

 			$_GET['conv'] = 1;

 		elseif ($i != 0)

 		{

 	if (!empty($databases[$db_type]['alter_support']) && $smcFunc['db_query']('alter_boards', 'ALTER TABLE {db_prefix}boards ORDER BY id_board', array()) === false)

 		print_error('Error: The ' . $databases[$db_type]['name'] . ' account in Settings.php does not have sufficient privileges.', true);

 		&& @file_exists($sourcedir . '/QueryString.php')

 		&& @file_exists($sourcedir . '/ManageBoards.php');

 	if (!$check && !isset($modSettings['smfVersion']))

 	}

 	// Make sure Themes is writable.

 		print_error('Error: Unable to obtain write access to "Themes".');

 	// Make sure cache directory exists and is writable!

 	if (!is_writable($cachedir_temp))

 		print_error('Error: Unable to obtain write access to "cache".', true);

 		print_error('Error: Unable to find language files!', true);

 	else

 	{

 		preg_match('~(?://|/\*)\s*Version:\s+(.+?);\s*index(?:[\s]{2}|\*/)~i', $temp, $match);

 		if (empty($match[1]) || $match[1] != SMF_LANG_VERSION)

 			print_error('Error: Language files out of date.', true);

 			print_error('Error: Install language is missing for selected language.', true);

 		// Otherwise include it!

 	}

 	// Make sure we skip the HTML for login.

 	<div id="header"><div class="frame">

 		<div id="top_section">

 			<h1 class="forumtitle">', $txt['upgrade_upgrade_utility'], '</h1>

 		</div>

 		<div id="upper_section" class="middletext flow_hidden">

 			<div class="user"></div>

 					theCheck.disabled = true;

 				}

 			// ]]></script>

 	echo '<br />

 			If you had any problems with this upgrade, or have any problems using SMF, please don\'t hesitate to <a href="http://www.simplemachines.org/community/index.php">look to us for assistance</a>.<br />