diff --git a/inc/User/mod_auth.php b/inc/User/mod_auth.php
index 0f44a6fb97..2ca03cee30 100755
--- a/inc/User/mod_auth.php
+++ b/inc/User/mod_auth.php
@@ -22,6 +22,7 @@
 */
 
 
+
 /**
  * Class for usermanagement in a SQL Database
  * eg mysql, sqlite
@@ -29,42 +30,44 @@
 class OC_USER_MOD_AUTH extends OC_USER {
 	
 	/**
-	* check if the login button is pressed and logg the user in
-	*
-	*/
-	public static function loginLisener(){
-		return('');
+	 * check if the login button is pressed and logg the user in
+	 *
+	 */
+	public static function loginLisener() {
+		return '';
 	}
 	
 	
 	/**
-	* try to create a new user
-	*
-	*/
-	public static function createUser($username,$password){
+	 * try to create a new user
+	 *
+	 */
+	public static function createUser($username, $password) {
 		return false;
 	}
 	
 	/**
-	* try to login a user
-	*
-	*/
-	public static function login($username,$password){
-		if (isset($_SERVER["PHP_AUTH_USER"]) && $_SERVER["PHP_AUTH_USER"] != "") {
-			$_SESSION['user_id']= $_SERVER["PHP_AUTH_USER"];
-			$_SESSION['username']= $_SERVER["PHP_AUTH_USER"];
-			$_SESSION['username_clean']= $_SERVER["PHP_AUTH_USER"];
+	 * try to login a user
+	 *
+	 */
+	public static function login($username, $password) {
+		if ( isset($_SERVER['PHP_AUTH_USER']) AND ('' !== $_SERVER['PHP_AUTH_USER']) ) {
+			$_SESSION['user_id'] = $_SERVER['PHP_AUTH_USER'];
+			$_SESSION['username'] = $_SERVER['PHP_AUTH_USER'];
+			$_SESSION['username_clean'] = $_SERVER['PHP_AUTH_USER'];
+
 			return true;
 		}
+
 		return false;
 	}
 	
 	/**
-	* check if the logout button is pressed and logout the user
-	*
-	*/
-	public static function logoutLisener(){
-		if(isset($_GET['logoutbutton']) && isset($_SESSION['username'])){
+	 * check if the logout button is pressed and logout the user
+	 *
+	 */
+	public static function logoutLisener() {
+		if( isset($_GET['logoutbutton']) AND isset($_SESSION['username']) ) {
 			header('WWW-Authenticate: Basic realm="ownCloud"');
 			header('HTTP/1.0 401 Unauthorized');
 			die('401 Unauthorized');
@@ -72,108 +75,107 @@ class OC_USER_MOD_AUTH extends OC_USER {
 	}
 	
 	/**
-	* check if a user is logged in
-	*
-	*/
-	public static function isLoggedIn(){
-		if (isset($_SESSION['user_id']) && $_SESSION['user_id']) {
+	 * check if a user is logged in
+	 *
+	 */
+	public static function isLoggedIn() {
+		if ( isset($_SESSION['user_id']) AND $_SESSION['user_id'] ) {
 			return true;
-		}
-		else {
-			if (isset($_SERVER["PHP_AUTH_USER"]) && $_SERVER["PHP_AUTH_USER"] != "") {
-				$_SESSION['user_id']= $_SERVER["PHP_AUTH_USER"];
-				$_SESSION['username']= $_SERVER["PHP_AUTH_USER"];
-				$_SESSION['username_clean']= $_SERVER["PHP_AUTH_USER"];
+		} else {
+			if ( isset($_SERVER['PHP_AUTH_USER']) AND ('' !== $_SERVER['PHP_AUTH_USER']) ) {
+				$_SESSION['user_id'] = $_SERVER['PHP_AUTH_USER'];
+				$_SESSION['username'] = $_SERVER['PHP_AUTH_USER'];
+				$_SESSION['username_clean'] = $_SERVER['PHP_AUTH_USER'];
+
 				return true;;
 			}
 		}
+
 		return false;
 	}
 	
 	/**
-	* try to create a new group
-	*
-	*/
-	public static function createGroup($groupname){
+	 * try to create a new group
+	 *
+	 */
+	public static function createGroup($groupname) {
 		// does not work with MOD_AUTH (only or some modules)
 		return false;
 	}
 	
 	/**
-	* get the id of a user
-	*
-	*/
-	public static function getUserId($username,$nocache=false){
+	 * get the id of a user
+	 *
+	 */
+	public static function getUserId($username, $nocache=false) {
 		// does not work with MOD_AUTH (only or some modules)
 		return 0;
 	}
 	
 	/**
-	* get the id of a group
-	*
-	*/
-	public static function getGroupId($groupname,$nocache=false){
+	 * get the id of a group
+	 *
+	 */
+	public static function getGroupId($groupname, $nocache=false) {
 		// does not work with MOD_AUTH (only or some modules)
 		return 0;
 	}
 	
 	/**
-	* get the name of a group
-	*
-	*/
-	public static function getGroupName($groupid,$nocache=false){
+	 * get the name of a group
+	 *
+	 */
+	public static function getGroupName($groupid, $nocache=false) {
 		// does not work with MOD_AUTH (only or some modules)
 		return 0;
 	}
 	
 	/**
-	* check if a user belongs to a group
-	*
-	*/
-	public static function inGroup($username,$groupname){
+	 * check if a user belongs to a group
+	 *
+	 */
+	public static function inGroup($username, $groupname) {
 		// does not work with MOD_AUTH (only or some modules)
 		return false;
 	}
 	
 	/**
-	* add a user to a group
-	*
-	*/
-	public static function addToGroup($username,$groupname){
+	 * add a user to a group
+	 *
+	 */
+	public static function addToGroup($username, $groupname) {
 		// does not work with MOD_AUTH (only or some modules)
 		return false;
 	}
 	
-	public static function generatePassword(){
+	public static function generatePassword() {
 		return uniqid();
 	}
 	
 	/**
-	* get all groups the user belongs to
-	*
-	*/
-	public static function getUserGroups($username){
+	 * get all groups the user belongs to
+	 *
+	 */
+	public static function getUserGroups($username) {
 		// does not work with MOD_AUTH (only or some modules)
-		$groups=array();
+		$groups = array();
 		return $groups;
 	}
 	
 	/**
-	* set the password of a user
-	*
-	*/
-	public static function setPassword($username,$password){
+	 * set the password of a user
+	 *
+	 */
+	public static function setPassword($username, $password) {
 		return false;
 	}
 	
 	/**
-	* check the password of a user
-	*
-	*/
-	public static function checkPassword($username,$password){
+	 * check the password of a user
+	 *
+	 */
+	public static function checkPassword($username, $password) {
 		// does not work with MOD_AUTH (only or some modules)
 		return false;
 	}
 }
-
-?>
\ No newline at end of file
diff --git a/inc/lib_user.php b/inc/lib_user.php
index 902c999f0a..f1cc874a45 100755
--- a/inc/lib_user.php
+++ b/inc/lib_user.php
@@ -21,175 +21,180 @@
 * 
 */
 
-if(!$CONFIG_INSTALLED){
-	$_SESSION['user_id']=false;
-	$_SESSION['username']='';
-	$_SESSION['username_clean']='';
+
+
+if( !$CONFIG_INSTALLED ) {
+	$_SESSION['user_id'] = false;
+	$_SESSION['username'] = '';
+	$_SESSION['username_clean'] = '';
 }
 
 //cache the userid's an groupid's
-if(!isset($_SESSION['user_id_cache'])){
-	$_SESSION['user_id_cache']=array();
+if( !isset($_SESSION['user_id_cache']) ) {
+	$_SESSION['user_id_cache'] = array();
 }
-if(!isset($_SESSION['group_id_cache'])){
-	$_SESSION['group_id_cache']=array();
+if( !isset($_SESSION['group_id_cache']) ) {
+	$_SESSION['group_id_cache'] = array();
 }
 
+
+
 /**
  * Class for usermanagement
  *
  */
 class OC_USER {
 	
-	public static $class_type;
+	public static $classType;
 	
 	/**
-	* check if the login button is pressed and logg the user in
-	*
-	*/
-	public static function loginLisener(){
-		return self::$class_type->loginLisener();
+	 * check if the login button is pressed and logg the user in
+	 *
+	 */
+	public static function loginLisener() {
+		return self::classType->loginLisener();
 	}
 	
 	
 	/**
-	* try to create a new user
-	*
-	*/
-	public static function createUser($username,$password){
-		return self::$class_type->createUser($username,$password);
+	 * try to create a new user
+	 *
+	 */
+	public static function createUser($username, $password) {
+		return self::classType->createUser($username, $password);
 	}
 	
 	/**
-	* try to login a user
-	*
-	*/
-	public static function login($username,$password){
-		return self::$class_type->login($username,$password);
+	 * try to login a user
+	 *
+	 */
+	public static function login($username, $password) {
+		return self::classType->login($username, $password);
 	}
 	
 	/**
-	* check if the logout button is pressed and logout the user
-	*
-	*/
-	public static function logoutLisener(){
-		return self::$class_type->logoutLisener();
+	 * check if the logout button is pressed and logout the user
+	 *
+	 */
+	public static function logoutLisener() {
+		return self::classType->logoutLisener();
 	}
 	
 	/**
-	* check if a user is logged in
-	*
-	*/
-	public static function isLoggedIn(){
-		return self::$class_type->isLoggedIn();
+	 * check if a user is logged in
+	 *
+	 */
+	public static function isLoggedIn() {
+		return self::classType->isLoggedIn();
 	}
 	
 	/**
-	* try to create a new group
-	*
-	*/
-	public static function createGroup($groupname){
-		return self::$class_type->createGroup($groupname);
+	 * try to create a new group
+	 *
+	 */
+	public static function createGroup($groupname) {
+		return self::classType->createGroup($groupname);
 	}
 	
 	/**
-	* get the id of a user
-	*
-	*/
-	public static function getUserId($username,$nocache=false){
-		return self::$class_type->getUserId($username,$nocache=false);
+	 * get the id of a user
+	 *
+	 */
+	public static function getUserId($username, $nocache=false) {
+		return self::classType->getUserId($username, $nocache=false);
 	}
 	
 	/**
-	* get the id of a group
-	*
-	*/
-	public static function getGroupId($groupname,$nocache=false){
-		return self::$class_type->getGroupId($groupname,$nocache=false);
+	 * get the id of a group
+	 *
+	 */
+	public static function getGroupId($groupname, $nocache=false) {
+		return self::classType->getGroupId($groupname, $nocache=false);
 	}
 	
 	/**
-	* get the name of a group
-	*
-	*/
-	public static function getGroupName($groupid,$nocache=false){
-		return self::$class_type->getGroupName($groupid,$nocache=false);
+	 * get the name of a group
+	 *
+	 */
+	public static function getGroupName($groupid, $nocache=false) {
+		return self::classType->getGroupName($groupid, $nocache=false);
 	}
 	
 	/**
-	* check if a user belongs to a group
-	*
-	*/
-	public static function inGroup($username,$groupname){
-		return self::$class_type->inGroup($username,$groupname);
+	 * check if a user belongs to a group
+	 *
+	 */
+	public static function inGroup($username, $groupname) {
+		return self::classType->inGroup($username, $groupname);
 	}
 	
 	/**
-	* add a user to a group
-	*
-	*/
-	public static function addToGroup($username,$groupname){
-		return self::$class_type->addToGroup($username,$groupname);
+	 * add a user to a group
+	 *
+	 */
+	public static function addToGroup($username, $groupname) {
+		return self::classType->addToGroup($username, $groupname);
 	}
 	
-	public static function generatePassword(){
+	public static function generatePassword() {
 		return uniqid();
 	}
 	
 	/**
-	* get all groups the user belongs to
-	*
-	*/
-	public static function getUserGroups($username){
-		return self::$class_type->getUserGroups($username);
+	 * get all groups the user belongs to
+	 *
+	 */
+	public static function getUserGroups($username) {
+		return self::classType->getUserGroups($username);
 	}
 	
 	/**
-	* set the password of a user
-	*
-	*/
-	public static function setPassword($username,$password){
-		return self::$class_type->setPassword($username,$password);
+	 * set the password of a user
+	 *
+	 */
+	public static function setPassword($username, $password) {
+		return self::classType->setPassword($username, $password);
 	}
 	
 	/**
-	* check the password of a user
-	*
-	*/
-	public static function checkPassword($username,$password){
-		return self::$class_type->checkPassword($username,$password);
+	 * check the password of a user
+	 *
+	 */
+	public static function checkPassword($username, $password) {
+		return self::classType->checkPassword($username, $password);
 	}
 }
 
-/*
+
+
+/**
  * Funtion to set the User Authentication Module
  */
 function set_OC_USER() {
 	global $CONFIG_BACKEND;
-	if (isset($CONFIG_BACKEND)) {
-		switch($CONFIG_BACKEND) {
-			case "mysql":
+
+	if ( isset($CONFIG_BACKEND) ) {
+		switch( $CONFIG_BACKEND ) {
+			case 'mysql':
+			case 'sqlite':
 				require_once 'User/database.php';
-				OC_USER::$class_type = new OC_USER_Database();
-			break;
-			case "sqlite":
-				require_once 'User/database.php';
-				OC_USER::$class_type = new OC_USER_Database();
-			break;
-			case "ldap":
+				self::classType = new OC_USER_Database();
+				break;
+			case 'ldap':
 				require_once 'User/ldap.php';
-				OC_USER::$class_type = new OC_USER_LDAP();
-			break;
+				self::classType = new OC_USER_LDAP();
+				break;
 			default:
 				require_once 'User/database.php';
-				OC_USER::$class_type = new OC_USER_Database();
-			break;
+				self::classType = new OC_USER_Database();
+				break;
 		}
-	}
-	else {
+	} else {
 		require_once 'User/database.php';
-		OC_USER::$class_type = new OC_USER_Database();
+		self::classType = new OC_USER_Database();
 	}
 }
+
+
+
 set_OC_USER();
-?>
\ No newline at end of file