server/settings/personal.php

<?php
/**
 * Copyright (c) 2011, Robin Appelman <icewind1991@gmail.com>
 * This file is licensed under the Affero General Public License version 3 or later.
 * See the COPYING-README file.
 */

OC_Util::checkLoggedIn();
OC_App::loadApps();

// Highlight navigation entry
OC_Util::addScript( 'settings', 'personal' );
OC_Util::addStyle( 'settings', 'settings' );
OC_Util::addScript( '3rdparty', 'chosen/chosen.jquery.min' );
OC_Util::addStyle( '3rdparty', 'chosen' );
OC_App::setActiveNavigationEntry( 'personal' );

// calculate the disc space
$rootInfo=\OC\Files\Filesystem::getFileInfo('');
$sharedInfo=\OC\Files\Filesystem::getFileInfo('/Shared');
$used=$rootInfo['size'];
if($used<0) $used=0;
$free=\OC\Files\Filesystem::free_space();
$total=$free+$used;
if($total==0) $total=1;  // prevent division by zero
$relative=round(($used/$total)*10000)/100;

$email=OC_Preferences::getValue(OC_User::getUser(), 'settings', 'email', '');

$lang=OC_Preferences::getValue( OC_User::getUser(), 'core', 'lang', OC_L10N::findLanguage() );
$languageCodes=OC_L10N::findAvailableLanguages();
sort ($languageCodes);

//put the current language in the front
unset($languageCodes[array_search($lang, $languageCodes)]);
array_unshift($languageCodes, $lang);

$languageNames=include 'languageCodes.php';
$languages=array();
foreach($languageCodes as $lang) {
	$l=OC_L10N::get('settings', $lang);
	if(substr($l->t('__language_name__'), 0, 1)!='_') {//first check if the language name is in the translation file
		$languages[]=array('code'=>$lang, 'name'=>$l->t('__language_name__'));
	}elseif(isset($languageNames[$lang])) {
		$languages[]=array('code'=>$lang, 'name'=>$languageNames[$lang]);
	}else{//fallback to language code
		$languages[]=array('code'=>$lang, 'name'=>$lang);
	}
}

// Return template
$tmpl = new OC_Template( 'settings', 'personal', 'user');
$tmpl->assign('usage', OC_Helper::humanFileSize($used));
$tmpl->assign('total_space', OC_Helper::humanFileSize($total));
$tmpl->assign('usage_relative', $relative);
$tmpl->assign('email', $email);
$tmpl->assign('languages', $languages);

$forms=OC_App::getForms('personal');
$tmpl->assign('forms', array());
foreach($forms as $form) {
	$tmpl->append('forms', $form);
}
$tmpl->printPage();