diff --git a/apps/files_encryption/lib/crypt.php b/apps/files_encryption/lib/crypt.php
index a4f7bd3549..7d86eb72ed 100755
--- a/apps/files_encryption/lib/crypt.php
+++ b/apps/files_encryption/lib/crypt.php
@@ -254,7 +254,7 @@ class Crypt {
 	 * @brief Concatenate encrypted data with its IV and padding
 	 * @param string $content content to be concatenated
 	 * @param string $iv IV to be concatenated
-	 * @returns string concatenated content
+	 * @return string concatenated content
 	 */
 	private static function concatIv($content, $iv) {
 
@@ -267,7 +267,7 @@ class Crypt {
 	/**
 	 * @brief Split concatenated data and IV into respective parts
 	 * @param string $catFile concatenated data to be split
-	 * @returns array keys: encrypted, iv
+	 * @return array keys: encrypted, iv
 	 */
 	private static function splitIv($catFile) {
 
@@ -330,7 +330,7 @@ class Crypt {
 	 * @internal param string $source
 	 * @internal param string $target
 	 * @internal param string $key the decryption key
-	 * @returns string decrypted content
+	 * @return string decrypted content
 	 *
 	 * This function decrypts a file
 	 */
@@ -362,7 +362,7 @@ class Crypt {
 	 * @brief Decrypt private key and check if the result is a valid keyfile
 	 * @param string $encryptedKey encrypted keyfile
 	 * @param string $passphrase to decrypt keyfile
-	 * @returns encrypted private key or false
+	 * @return encrypted private key or false
 	 *
 	 * This function decrypts a file
 	 */
@@ -389,7 +389,7 @@ class Crypt {
 	 * @brief Create asymmetrically encrypted keyfile content using a generated key
 	 * @param string $plainContent content to be encrypted
 	 * @param array $publicKeys array keys must be the userId of corresponding user
-	 * @returns array keys: keys (array, key = userId), data
+	 * @return array keys: keys (array, key = userId), data
 	 * @note symmetricDecryptFileContent() can decrypt files created using this method
 	 */
 	public static function multiKeyEncrypt($plainContent, array $publicKeys) {
@@ -440,7 +440,7 @@ class Crypt {
 	 * @param $privateKey
 	 * @return false|string
 	 * @internal param string $plainContent content to be encrypted
-	 * @returns string $plainContent decrypted string
+	 * @return string $plainContent decrypted string
 	 * @note symmetricDecryptFileContent() can be used to decrypt files created using this method
 	 *
 	 * This function decrypts a file
@@ -498,7 +498,7 @@ class Crypt {
 
 	/**
 	 * @brief Generate a pseudo random 256-bit ASCII key, used as file key
-	 * @returns $key Generated key
+	 * @return $key Generated key
 	 */
 	public static function generateKey() {
 
diff --git a/apps/files_encryption/lib/session.php b/apps/files_encryption/lib/session.php
index 19b669a27f..dea27d7a18 100644
--- a/apps/files_encryption/lib/session.php
+++ b/apps/files_encryption/lib/session.php
@@ -145,7 +145,7 @@ class Session {
 
 	/**
 	 * @brief Gets status if we already tried to initialize the encryption app
-	 * @returns init status INIT_SUCCESSFUL, INIT_EXECUTED, NOT_INOITIALIZED
+	 * @return init status INIT_SUCCESSFUL, INIT_EXECUTED, NOT_INOITIALIZED
 	 *
 	 * @note this doesn not indicate of the init was successful, we just remeber the try!
 	 */
@@ -159,7 +159,7 @@ class Session {
 
 	/**
 	 * @brief Gets user or public share private key from session
-	 * @returns string $privateKey The user's plaintext private key
+	 * @return string $privateKey The user's plaintext private key
 	 *
 	 */
 	public function getPrivateKey() {
@@ -190,7 +190,7 @@ class Session {
 
 	/**
 	 * @brief Gets public share private key from session
-	 * @returns string $privateKey
+	 * @return string $privateKey
 	 *
 	 */
 	public function getPublicSharePrivateKey() {
@@ -217,7 +217,7 @@ class Session {
 
 	/**
 	 * @brief Gets user legacy key from session
-	 * @returns string $legacyKey The user's plaintext legacy key
+	 * @return string $legacyKey The user's plaintext legacy key
 	 *
 	 */
 	public function getLegacyKey() {
diff --git a/apps/files_sharing/lib/api.php b/apps/files_sharing/lib/api.php
index 438d3cc4ba..d554d68c6b 100644
--- a/apps/files_sharing/lib/api.php
+++ b/apps/files_sharing/lib/api.php
@@ -196,7 +196,7 @@ class Api {
 	}
 
 	/**
-	 * @breif create a new share
+	 * @brief create a new share
 	 * @param array $params
 	 * @return \OC_OCS_Result
 	 */
diff --git a/apps/files_sharing/lib/sharedstorage.php b/apps/files_sharing/lib/sharedstorage.php
index d4a817fca3..d1ca60ff6a 100644
--- a/apps/files_sharing/lib/sharedstorage.php
+++ b/apps/files_sharing/lib/sharedstorage.php
@@ -36,7 +36,7 @@ class Shared extends \OC\Files\Storage\Common {
 	}
 
 	/**
-	 * @breif get id of the mount point
+	 * @brief get id of the mount point
 	 * @return string
 	 */
 	public function getId() {
@@ -44,7 +44,7 @@ class Shared extends \OC\Files\Storage\Common {
 	}
 
 	/**
-	 * @breif get file cache of the shared item source
+	 * @brief get file cache of the shared item source
 	 * @return string
 	 */
 	public function getSourceId() {
diff --git a/apps/files_versions/lib/versions.php b/apps/files_versions/lib/versions.php
index 67acd5369a..e97510dead 100644
--- a/apps/files_versions/lib/versions.php
+++ b/apps/files_versions/lib/versions.php
@@ -265,7 +265,7 @@ class Storage {
 	 * @param string $uid user id from the owner of the file
 	 * @param string $filename file to find versions of, relative to the user files dir
 	 * @param string $userFullPath
-	 * @returns array versions newest version first
+	 * @return array versions newest version first
 	 */
 	public static function getVersions($uid, $filename, $userFullPath = '') {
 		$versions = array();
diff --git a/lib/base.php b/lib/base.php
index be613706e6..f3a15e0355 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -175,7 +175,7 @@ class OC {
 			OC::$SERVERROOT . '/lib/private' . PATH_SEPARATOR .
 			OC::$SERVERROOT . '/config' . PATH_SEPARATOR .
 			OC::$THIRDPARTYROOT . '/3rdparty' . PATH_SEPARATOR .
-			implode($paths, PATH_SEPARATOR) . PATH_SEPARATOR .
+			implode(PATH_SEPARATOR, $paths) . PATH_SEPARATOR .
 			get_include_path() . PATH_SEPARATOR .
 			OC::$SERVERROOT
 		);
diff --git a/lib/private/app.php b/lib/private/app.php
index 2f55b54b32..a35248f255 100644
--- a/lib/private/app.php
+++ b/lib/private/app.php
@@ -307,7 +307,7 @@ class OC_App{
 	/**
 	 * @brief Get the navigation entries for the $app
 	 * @param string $app app
-	 * @return array of the $data added with addNavigationEntry
+	 * @return array an array of the $data added with addNavigationEntry
 	 *
 	 * Warning: destroys the existing entries
 	 */
@@ -660,7 +660,7 @@ class OC_App{
 
 	/**
 	 * @brief: get a list of all apps in the apps folder
-	 * @return array or app names (string IDs)
+	 * @return array an array of app names (string IDs)
 	 * @todo: change the name of this method to getInstalledApps, which is more accurate
 	 */
 	public static function getAllApps() {
diff --git a/lib/private/appconfig.php b/lib/private/appconfig.php
index 0cd6b3bc35..5fba7514de 100644
--- a/lib/private/appconfig.php
+++ b/lib/private/appconfig.php
@@ -90,7 +90,7 @@ class AppConfig implements \OCP\IAppConfig {
 
 	/**
 	 * @brief Get all apps using the config
-	 * @return array with app ids
+	 * @return array an array of app ids
 	 *
 	 * This function returns a list of all apps that have at least one
 	 * entry in the appconfig table.
@@ -109,7 +109,7 @@ class AppConfig implements \OCP\IAppConfig {
 	/**
 	 * @brief Get the available keys for an app
 	 * @param string $app the app we are looking for
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function gets all keys of an app. Please note that the values are
 	 * not returned.
diff --git a/lib/private/appframework/dependencyinjection/dicontainer.php b/lib/private/appframework/dependencyinjection/dicontainer.php
index 97a6569a0f..ee492b8a9e 100644
--- a/lib/private/appframework/dependencyinjection/dicontainer.php
+++ b/lib/private/appframework/dependencyinjection/dicontainer.php
@@ -190,8 +190,8 @@ class DIContainer extends SimpleContainer implements IAppContainer{
 	}
 
 	/**
-	 * @param $message
-	 * @param $level
+	 * @param string $message
+	 * @param string $level
 	 * @return mixed
 	 */
 	function log($message, $level) {
diff --git a/lib/private/appframework/http.php b/lib/private/appframework/http.php
index d09e1d3ce2..2b1387af71 100644
--- a/lib/private/appframework/http.php
+++ b/lib/private/appframework/http.php
@@ -33,7 +33,7 @@ class Http extends BaseHttp {
 	protected $headers;
 
 	/**
-	 * @param $_SERVER $server
+	 * @param array $server $_SERVER
 	 * @param string $protocolVersion the http version to use defaults to HTTP/1.1
 	 */
 	public function __construct($server, $protocolVersion='HTTP/1.1') {
diff --git a/lib/private/appframework/routing/routeconfig.php b/lib/private/appframework/routing/routeconfig.php
index a3bbde6af5..91ea7778d0 100644
--- a/lib/private/appframework/routing/routeconfig.php
+++ b/lib/private/appframework/routing/routeconfig.php
@@ -61,7 +61,7 @@ class RouteConfig {
 
 	/**
 	 * Creates one route base on the give configuration
-	 * @param $routes
+	 * @param array $routes
 	 * @throws \UnexpectedValueException
 	 */
 	private function processSimpleRoutes($routes)
@@ -105,7 +105,7 @@ class RouteConfig {
 	 *  - update
 	 *  - destroy
 	 *
-	 * @param $routes
+	 * @param array $routes
 	 */
 	private function processResources($routes)
 	{
@@ -151,7 +151,7 @@ class RouteConfig {
 
 	/**
 	 * Based on a given route name the controller name is generated
-	 * @param $controller
+	 * @param string $controller
 	 * @return string
 	 */
 	private function buildControllerName($controller)
@@ -161,7 +161,7 @@ class RouteConfig {
 
 	/**
 	 * Based on the action part of the route name the controller method name is generated
-	 * @param $action
+	 * @param string $action
 	 * @return string
 	 */
 	private function buildActionName($action) {
@@ -170,7 +170,7 @@ class RouteConfig {
 
 	/**
 	 * Generates the id used in the url part o the route url
-	 * @param $resource
+	 * @param string $resource
 	 * @return string
 	 */
 	private function buildResourceId($resource) {
@@ -179,7 +179,7 @@ class RouteConfig {
 
 	/**
 	 * Underscored strings are converted to camel case strings
-	 * @param $str string
+	 * @param string $str
 	 * @return string
 	 */
 	private function underScoreToCamelCase($str) {
diff --git a/lib/private/archive/tar.php b/lib/private/archive/tar.php
index cbdb565ba3..21a995d9e5 100644
--- a/lib/private/archive/tar.php
+++ b/lib/private/archive/tar.php
@@ -154,7 +154,7 @@ class OC_Archive_TAR extends OC_Archive{
 	}
 	/**
 	 * get the last modified time of a file in the archive
-	 * @param string path
+	 * @param string $path
 	 * @return int
 	 */
 	function mtime($path) {
diff --git a/lib/private/avatar.php b/lib/private/avatar.php
index e97f55eeca..4595979847 100644
--- a/lib/private/avatar.php
+++ b/lib/private/avatar.php
@@ -16,7 +16,7 @@ class OC_Avatar implements \OCP\IAvatar {
 
 	/**
 	 * @brief constructor
-	 * @param $user string user to do avatar-management with
+	 * @param string $user user to do avatar-management with
 	*/
 	public function __construct ($user) {
 		$this->view = new \OC\Files\View('/'.$user);
@@ -24,7 +24,7 @@ class OC_Avatar implements \OCP\IAvatar {
 
 	/**
 	 * @brief get the users avatar
-	 * @param $size integer size in px of the avatar, avatars are square, defaults to 64
+	 * @param int $size size in px of the avatar, avatars are square, defaults to 64
 	 * @return boolean|\OC_Image containing the avatar or false if there's no image
 	*/
 	public function get ($size = 64) {
@@ -44,7 +44,7 @@ class OC_Avatar implements \OCP\IAvatar {
 
 	/**
 	 * @brief sets the users avatar
-	 * @param $data mixed OC_Image, imagedata or path to set a new avatar
+	 * @param \OC_Image|resource|string $data OC_Image, imagedata or path to set a new avatar
 	 * @throws Exception if the provided file is not a jpg or png image
 	 * @throws Exception if the provided image is not valid
 	 * @throws \OC\NotSquareException if the image is not square
diff --git a/lib/private/avatarmanager.php b/lib/private/avatarmanager.php
index 3ca46868ea..f462e6ac5f 100644
--- a/lib/private/avatarmanager.php
+++ b/lib/private/avatarmanager.php
@@ -17,7 +17,7 @@ class AvatarManager implements IAvatarManager {
 	/**
 	 * @brief return a user specific instance of \OCP\IAvatar
 	 * @see \OCP\IAvatar
-	 * @param $user string the ownCloud user id
+	 * @param string $user the ownCloud user id
 	 * @return \OCP\IAvatar
 	 */
 	function getAvatar($user) {
diff --git a/lib/private/backgroundjob/joblist.php b/lib/private/backgroundjob/joblist.php
index 26c9026934..9fa13c2585 100644
--- a/lib/private/backgroundjob/joblist.php
+++ b/lib/private/backgroundjob/joblist.php
@@ -31,7 +31,7 @@ class JobList implements IJobList {
 	}
 
 	/**
-	 * @param \Test\BackgroundJob\TestJob $job
+	 * @param Job|string $job
 	 * @param mixed $argument
 	 */
 	public function add($job, $argument = null) {
@@ -48,7 +48,7 @@ class JobList implements IJobList {
 	}
 
 	/**
-	 * @param Job $job
+	 * @param Job|string $job
 	 * @param mixed $argument
 	 */
 	public function remove($job, $argument = null) {
@@ -70,7 +70,7 @@ class JobList implements IJobList {
 	/**
 	 * check if a job is in the list
 	 *
-	 * @param $job
+	 * @param Job|string $job
 	 * @param mixed $argument
 	 * @return bool
 	 */
@@ -126,7 +126,7 @@ class JobList implements IJobList {
 
 	/**
 	 * @param int $id
-	 * @return Job
+	 * @return Job|null
 	 */
 	public function getById($id) {
 		$query = $this->conn->prepare('SELECT `id`, `class`, `last_run`, `argument` FROM `*PREFIX*jobs` WHERE `id` = ?');
diff --git a/lib/private/cache/file.php b/lib/private/cache/file.php
index feee9cc32b..4e7c065678 100644
--- a/lib/private/cache/file.php
+++ b/lib/private/cache/file.php
@@ -48,7 +48,7 @@ class File {
 	/**
 	 * Returns the size of the stored/cached data
 	 *
-	 * @param $key
+	 * @param string $key
 	 * @return int
 	 */
 	public function size($key) {
diff --git a/lib/private/config.php b/lib/private/config.php
index 6701ca0532..4242682af3 100644
--- a/lib/private/config.php
+++ b/lib/private/config.php
@@ -65,7 +65,7 @@ class Config {
 
 	/**
 	 * @brief Lists all available config keys
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function returns all keys saved in config.php. Please note that it
 	 * does not return the values.
@@ -77,8 +77,8 @@ class Config {
 	/**
 	 * @brief Gets a value from config.php
 	 * @param string $key key
-	 * @param array|bool|string|null $default = null default value
-	 * @return string the value or $default
+	 * @param mixed $default = null default value
+	 * @return mixed the value or $default
 	 *
 	 * This function gets the value from config.php. If it does not exist,
 	 * $default will be returned.
@@ -94,7 +94,7 @@ class Config {
 	/**
 	 * @brief Sets a value
 	 * @param string $key key
-	 * @param string $value value
+	 * @param mixed $value value
 	 *
 	 * This function sets the value and writes the config.php.
 	 *
diff --git a/lib/private/connector/sabre/auth.php b/lib/private/connector/sabre/auth.php
index 5577273df8..9ebf5fc05c 100644
--- a/lib/private/connector/sabre/auth.php
+++ b/lib/private/connector/sabre/auth.php
@@ -69,6 +69,8 @@ class OC_Connector_Sabre_Auth extends Sabre_DAV_Auth_Backend_AbstractBasic {
 	  * even if there are no HTTP Basic Auth headers.
 	  * In other case, just fallback to the parent implementation.
 	  *
+	  * @param Sabre_DAV_Server $server
+	  * @param $realm
 	  * @return bool
 	  */
 	public function authenticate(Sabre_DAV_Server $server, $realm) {
diff --git a/lib/private/connector/sabre/file.php b/lib/private/connector/sabre/file.php
index 66b50a8755..ab9d3e47d0 100644
--- a/lib/private/connector/sabre/file.php
+++ b/lib/private/connector/sabre/file.php
@@ -123,7 +123,7 @@ class OC_Connector_Sabre_File extends OC_Connector_Sabre_Node implements Sabre_D
 	/**
 	 * Returns the data
 	 *
-	 * @return string | resource
+	 * @return string|resource
 	 */
 	public function get() {
 
diff --git a/lib/private/connector/sabre/filesplugin.php b/lib/private/connector/sabre/filesplugin.php
index 65231040fb..f8495b4052 100644
--- a/lib/private/connector/sabre/filesplugin.php
+++ b/lib/private/connector/sabre/filesplugin.php
@@ -73,7 +73,7 @@ class OC_Connector_Sabre_FilesPlugin extends Sabre_DAV_ServerPlugin
 	}
 
 	/**
-	 * @param $filePath
+	 * @param string $filePath
 	 * @param Sabre_DAV_INode $node
 	 * @throws Sabre_DAV_Exception_BadRequest
 	 */
diff --git a/lib/private/connector/sabre/quotaplugin.php b/lib/private/connector/sabre/quotaplugin.php
index 1e73e1645c..c9b8336b57 100644
--- a/lib/private/connector/sabre/quotaplugin.php
+++ b/lib/private/connector/sabre/quotaplugin.php
@@ -97,7 +97,7 @@ class OC_Connector_Sabre_QuotaPlugin extends Sabre_DAV_ServerPlugin {
 	}
 
 	/**
-	 * @param $parentUri
+	 * @param string $parentUri
 	 * @return mixed
 	 */
 	public function getFreeSpace($parentUri) {
diff --git a/lib/private/contactsmanager.php b/lib/private/contactsmanager.php
index 4299d88017..26264d4e98 100644
--- a/lib/private/contactsmanager.php
+++ b/lib/private/contactsmanager.php
@@ -31,7 +31,7 @@ namespace OC {
 		 * @param string $pattern which should match within the $searchProperties
 		 * @param array $searchProperties defines the properties within the query pattern should match
 		 * @param array $options - for future use. One should always have options!
-		 * @return array of contacts which are arrays of key-value-pairs
+		 * @return array an array of contacts which are arrays of key-value-pairs
 		 */
 		public function search($pattern, $searchProperties = array(), $options = array()) {
 			$result = array();
@@ -72,7 +72,7 @@ namespace OC {
 		 *
 		 * @param array $properties this array if key-value-pairs defines a contact
 		 * @param string $address_book_key identifier of the address book in which the contact shall be created or updated
-		 * @return array representing the contact just created or updated
+		 * @return array an array representing the contact just created or updated
 		 */
 		public function createOrUpdate($properties, $address_book_key) {
 
diff --git a/lib/private/db.php b/lib/private/db.php
index 322a13642a..52bf570d1d 100644
--- a/lib/private/db.php
+++ b/lib/private/db.php
@@ -401,7 +401,7 @@ class OC_DB {
 
 	/**
 	 * @brief replaces the ownCloud tables with a new set
-	 * @param $file string path to the MDB2 xml db export file
+	 * @param string $file path to the MDB2 xml db export file
 	 */
 	public static function replaceDB( $file ) {
 		$schemaManager = self::getMDB2SchemaManager();
diff --git a/lib/private/db/connectionwrapper.php b/lib/private/db/connectionwrapper.php
index c2cfc21d20..132e76666a 100644
--- a/lib/private/db/connectionwrapper.php
+++ b/lib/private/db/connectionwrapper.php
@@ -41,8 +41,8 @@ class ConnectionWrapper implements \OCP\IDBConnection {
 
 	/**
 	 * Insert a row if a matching row doesn't exists.
-	 * @param string The table name (will replace *PREFIX*) to perform the replace on.
-	 * @param array
+	 * @param string $table The table name (will replace *PREFIX*) to perform the replace on.
+	 * @param array $input
 	 *
 	 * The input array if in the form:
 	 *
diff --git a/lib/private/db/mdb2schemamanager.php b/lib/private/db/mdb2schemamanager.php
index aaf2ea543b..d98197445e 100644
--- a/lib/private/db/mdb2schemamanager.php
+++ b/lib/private/db/mdb2schemamanager.php
@@ -126,7 +126,7 @@ class MDB2SchemaManager {
 
 	/**
 	 * @brief replaces the ownCloud tables with a new set
-	 * @param $file string path to the MDB2 xml db export file
+	 * @param string $file path to the MDB2 xml db export file
 	 */
 	public function replaceDB( $file ) {
 		$apps = \OC_App::getAllApps();
diff --git a/lib/private/db/mdb2schemareader.php b/lib/private/db/mdb2schemareader.php
index 1c16d03eab..597650985f 100644
--- a/lib/private/db/mdb2schemareader.php
+++ b/lib/private/db/mdb2schemareader.php
@@ -66,7 +66,7 @@ class MDB2SchemaReader {
 	}
 
 	/**
-	 * @param\Doctrine\DBAL\Schema\Schema $schema
+	 * @param \Doctrine\DBAL\Schema\Schema $schema
 	 * @param \SimpleXMLElement $xml
 	 * @throws \DomainException
 	 */
@@ -303,7 +303,7 @@ class MDB2SchemaReader {
 	}
 
 	/**
-	 * @param \SimpleXMLElement | string $xml
+	 * @param \SimpleXMLElement|string $xml
 	 * @return bool
 	 */
 	private function asBool($xml) {
diff --git a/lib/private/db/statementwrapper.php b/lib/private/db/statementwrapper.php
index 492209b883..70d1f985a4 100644
--- a/lib/private/db/statementwrapper.php
+++ b/lib/private/db/statementwrapper.php
@@ -41,7 +41,7 @@ class OC_DB_StatementWrapper {
 	 * make execute return the result instead of a bool
 	 *
 	 * @param array $input
-	 * @return \OC_DB_StatementWrapper | int
+	 * @return \OC_DB_StatementWrapper|int
 	 */
 	public function execute($input=array()) {
 		if(OC_Config::getValue( "log_query", false)) {
diff --git a/lib/private/defaults.php b/lib/private/defaults.php
index fca798568c..663c327a3b 100644
--- a/lib/private/defaults.php
+++ b/lib/private/defaults.php
@@ -185,7 +185,7 @@ class OC_Defaults {
 
 	/**
 	 * Returns mail header color
-	 * @return mail header color
+	 * @return string
 	 */
 	public function getMailHeaderColor() {
 		if ($this->themeExist('getMailHeaderColor')) {
diff --git a/lib/private/fileproxy.php b/lib/private/fileproxy.php
index 88976c1b8e..2835e97464 100644
--- a/lib/private/fileproxy.php
+++ b/lib/private/fileproxy.php
@@ -47,7 +47,7 @@ class OC_FileProxy{
 	/**
 	 * fallback function when a proxy operation is not implemented
 	 * @param string $function the name of the proxy operation
-	 * @param mixed
+	 * @param mixed $arguments
 	 *
 	 * this implements a dummy proxy for all operations
 	 */
diff --git a/lib/private/files.php b/lib/private/files.php
index c435f8d168..7c437a16a9 100644
--- a/lib/private/files.php
+++ b/lib/private/files.php
@@ -225,7 +225,7 @@ class OC_Files {
 	 * checks if the selected files are within the size constraint. If not, outputs an error page.
 	 *
 	 * @param string $dir
-	 * @param array | string $files
+	 * @param array|string $files
 	 */
 	static function validateZipDownload($dir, $files) {
 		if (!OC_Config::getValue('allowZipDownload', true)) {
diff --git a/lib/private/files/cache/cache.php b/lib/private/files/cache/cache.php
index c4f03b4d9e..3e4f6dfb13 100644
--- a/lib/private/files/cache/cache.php
+++ b/lib/private/files/cache/cache.php
@@ -109,7 +109,7 @@ class Cache {
 	 * get the stored metadata of a file or folder
 	 *
 	 * @param string/int $file
-	 * @return array | false
+	 * @return array|false
 	 */
 	public function get($file) {
 		if (is_string($file) or $file == '') {
@@ -450,7 +450,7 @@ class Cache {
 	 * search for files matching $pattern
 	 *
 	 * @param string $pattern
-	 * @return array of file data
+	 * @return array an array of file data
 	 */
 	public function search($pattern) {
 
@@ -597,7 +597,7 @@ class Cache {
 	 * get the path of a file on this storage by it's id
 	 *
 	 * @param int $id
-	 * @return string | null
+	 * @return string|null
 	 */
 	public function getPathById($id) {
 		$sql = 'SELECT `path` FROM `*PREFIX*filecache` WHERE `fileid` = ? AND `storage` = ?';
@@ -640,7 +640,7 @@ class Cache {
 
 	/**
 	 * normalize the given path
-	 * @param $path
+	 * @param string $path
 	 * @return string
 	 */
 	public function normalize($path) {
diff --git a/lib/private/files/cache/scanner.php b/lib/private/files/cache/scanner.php
index c0bdde06a7..51454a7145 100644
--- a/lib/private/files/cache/scanner.php
+++ b/lib/private/files/cache/scanner.php
@@ -61,7 +61,7 @@ class Scanner extends BasicEmitter {
 	 * *
 	 *
 	 * @param string $path
-	 * @return array with metadata of the file
+	 * @return array an array of metadata of the file
 	 */
 	public function getData($path) {
 		if (!$this->storage->isReadable($path)) {
@@ -88,7 +88,7 @@ class Scanner extends BasicEmitter {
 	 * @param string $file
 	 * @param int $reuseExisting
 	 * @param bool $parentExistsInCache
-	 * @return array with metadata of the scanned file
+	 * @return array an array of metadata of the scanned file
 	 */
 	public function scanFile($file, $reuseExisting = 0, $parentExistsInCache = false) {
 		if (!self::isPartialFile($file)
@@ -174,7 +174,7 @@ class Scanner extends BasicEmitter {
 	 * @param string $path
 	 * @param bool $recursive
 	 * @param int $reuse
-	 * @return array with the meta data of the scanned file or folder
+	 * @return array an array of the meta data of the scanned file or folder
 	 */
 	public function scan($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1) {
 		if ($reuse === -1) {
@@ -273,7 +273,7 @@ class Scanner extends BasicEmitter {
 	 * @brief check if the file should be ignored when scanning
 	 * NOTE: files with a '.part' extension are ignored as well!
 	 *       prevents unfinished put requests to be scanned
-	 * @param String $file
+	 * @param string $file
 	 * @return boolean
 	 */
 	public static function isPartialFile($file) {
diff --git a/lib/private/files/cache/updater.php b/lib/private/files/cache/updater.php
index 199ce5dee7..95f77a81fa 100644
--- a/lib/private/files/cache/updater.php
+++ b/lib/private/files/cache/updater.php
@@ -17,7 +17,7 @@ class Updater {
 	 * resolve a path to a storage and internal path
 	 *
 	 * @param string $path the relative path
-	 * @return array consisting of the storage and the internal path
+	 * @return array an array consisting of the storage and the internal path
 	 */
 	static public function resolvePath($path) {
 		$view = \OC\Files\Filesystem::getView();
diff --git a/lib/private/files/cache/watcher.php b/lib/private/files/cache/watcher.php
index 48aa6f853c..599752a6ef 100644
--- a/lib/private/files/cache/watcher.php
+++ b/lib/private/files/cache/watcher.php
@@ -55,7 +55,7 @@ class Watcher {
 	 * check $path for updates
 	 *
 	 * @param string $path
-	 * @return boolean | array true if path was updated, otherwise the cached data is returned
+	 * @return boolean|array true if path was updated, otherwise the cached data is returned
 	 */
 	public function checkUpdate($path) {
 		if ($this->watchPolicy === self::CHECK_ALWAYS or ($this->watchPolicy === self::CHECK_ONCE and array_search($path, $this->checkedPaths) === false)) {
diff --git a/lib/private/files/fileinfo.php b/lib/private/files/fileinfo.php
index d6940f50bf..b64c5d4e11 100644
--- a/lib/private/files/fileinfo.php
+++ b/lib/private/files/fileinfo.php
@@ -147,7 +147,7 @@ class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
 	}
 
 	/**
-	 * @return \OCP\Files\FileInfo::TYPE_FILE | \OCP\Files\FileInfo::TYPE_FOLDER
+	 * @return \OCP\Files\FileInfo::TYPE_FILE|\OCP\Files\FileInfo::TYPE_FOLDER
 	 */
 	public function getType() {
 		if (isset($this->data['type'])) {
diff --git a/lib/private/files/filesystem.php b/lib/private/files/filesystem.php
index 52df1bec61..22d15840c3 100644
--- a/lib/private/files/filesystem.php
+++ b/lib/private/files/filesystem.php
@@ -245,7 +245,7 @@ class Filesystem {
 	}
 
 	/**
-	 * @param $id
+	 * @param string $id
 	 * @return Mount\Mount[]
 	 */
 	public static function getMountByStorageId($id) {
@@ -256,7 +256,7 @@ class Filesystem {
 	}
 
 	/**
-	 * @param $id
+	 * @param int $id
 	 * @return Mount\Mount[]
 	 */
 	public static function getMountByNumericId($id) {
@@ -270,7 +270,7 @@ class Filesystem {
 	 * resolve a path to a storage and internal path
 	 *
 	 * @param string $path
-	 * @return array consisting of the storage and the internal path
+	 * @return array an array consisting of the storage and the internal path
 	 */
 	static public function resolvePath($path) {
 		if (!self::$mounts) {
diff --git a/lib/private/files/mapper.php b/lib/private/files/mapper.php
index 833d4bd8d1..666719da12 100644
--- a/lib/private/files/mapper.php
+++ b/lib/private/files/mapper.php
@@ -97,8 +97,8 @@ class Mapper
 	}
 
 	/**
-	 * @param $path
-	 * @param $root
+	 * @param string $path
+	 * @param string $root
 	 * @return false|string
 	 */
 	public function stripRootFolder($path, $root) {
diff --git a/lib/private/files/mount/manager.php b/lib/private/files/mount/manager.php
index 91460b7273..db1f4600c7 100644
--- a/lib/private/files/mount/manager.php
+++ b/lib/private/files/mount/manager.php
@@ -33,7 +33,7 @@ class Manager {
 	/**
 	 * Find the mount for $path
 	 *
-	 * @param $path
+	 * @param string $path
 	 * @return Mount
 	 */
 	public function find($path) {
@@ -61,7 +61,7 @@ class Manager {
 	/**
 	 * Find all mounts in $path
 	 *
-	 * @param $path
+	 * @param string $path
 	 * @return Mount[]
 	 */
 	public function findIn($path) {
@@ -112,7 +112,7 @@ class Manager {
 	/**
 	 * Find mounts by numeric storage id
 	 *
-	 * @param string $id
+	 * @param int $id
 	 * @return Mount[]
 	 */
 	public function findByNumericId($id) {
diff --git a/lib/private/files/mount/mount.php b/lib/private/files/mount/mount.php
index 08d5ddf348..256630726d 100644
--- a/lib/private/files/mount/mount.php
+++ b/lib/private/files/mount/mount.php
@@ -28,7 +28,7 @@ class Mount {
 	private $loader;
 
 	/**
-	 * @param string | \OC\Files\Storage\Storage $storage
+	 * @param string|\OC\Files\Storage\Storage $storage
 	 * @param string $mountpoint
 	 * @param array $arguments (optional)\
 	 * @param \OC\Files\Storage\Loader $loader
diff --git a/lib/private/files/node/folder.php b/lib/private/files/node/folder.php
index d9e0ddc2d6..1af34fc2be 100644
--- a/lib/private/files/node/folder.php
+++ b/lib/private/files/node/folder.php
@@ -296,7 +296,7 @@ class Folder extends Node implements \OCP\Files\Folder {
 	}
 
 	/**
-	 * @param $id
+	 * @param int $id
 	 * @return \OC\Files\Node\Node[]
 	 */
 	public function getById($id) {
diff --git a/lib/private/files/storage/common.php b/lib/private/files/storage/common.php
index 8a263d4ce1..fef33cabd8 100644
--- a/lib/private/files/storage/common.php
+++ b/lib/private/files/storage/common.php
@@ -317,7 +317,7 @@ abstract class Common implements \OC\Files\Storage\Storage {
 	 * clean a path, i.e. remove all redundant '.' and '..'
 	 * making sure that it can't point to higher than '/'
 	 *
-	 * @param $path The path to clean
+	 * @param string $path The path to clean
 	 * @return string cleaned path
 	 */
 	public function cleanPath($path) {
@@ -347,7 +347,7 @@ abstract class Common implements \OC\Files\Storage\Storage {
 	/**
 	 * get the free space in the storage
 	 *
-	 * @param $path
+	 * @param string $path
 	 * @return int
 	 */
 	public function free_space($path) {
diff --git a/lib/private/files/storage/wrapper/quota.php b/lib/private/files/storage/wrapper/quota.php
index a878b2c5cf..c57c797f87 100644
--- a/lib/private/files/storage/wrapper/quota.php
+++ b/lib/private/files/storage/wrapper/quota.php
@@ -30,7 +30,7 @@ class Quota extends Wrapper {
 	}
 
 	/**
-	 * @return quota value
+	 * @return int quota value
 	 */
 	public function getQuota() {
 		return $this->quota;
diff --git a/lib/private/files/stream/oc.php b/lib/private/files/stream/oc.php
index 88e7e062df..c206b41f55 100644
--- a/lib/private/files/stream/oc.php
+++ b/lib/private/files/stream/oc.php
@@ -18,7 +18,15 @@ class OC {
 	static private $rootView;
 
 	private $path;
+
+	/**
+	 * @var resource
+	 */
 	private $dirSource;
+
+	/**
+	 * @var resource
+	 */
 	private $fileSource;
 	private $meta;
 
diff --git a/lib/private/files/type/templatemanager.php b/lib/private/files/type/templatemanager.php
index cd1536d273..e693e7079a 100644
--- a/lib/private/files/type/templatemanager.php
+++ b/lib/private/files/type/templatemanager.php
@@ -19,7 +19,7 @@ class TemplateManager {
 	 * get the path of the template for a mimetype
 	 *
 	 * @param string $mimetype
-	 * @return string | null
+	 * @return string|null
 	 */
 	public function getTemplatePath($mimetype) {
 		if (isset($this->templates[$mimetype])) {
diff --git a/lib/private/files/view.php b/lib/private/files/view.php
index 39c71cfc0b..3b99bd12b8 100644
--- a/lib/private/files/view.php
+++ b/lib/private/files/view.php
@@ -109,7 +109,7 @@ class View {
 	 * resolve a path to a storage and internal path
 	 *
 	 * @param string $path
-	 * @return array consisting of the storage and the internal path
+	 * @return array an array consisting of the storage and the internal path
 	 */
 	public function resolvePath($path) {
 		$a = $this->getAbsolutePath($path);
@@ -168,6 +168,10 @@ class View {
 		}
 	}
 
+	/**
+	 * @param string $path
+	 * @return resource
+	 */
 	public function opendir($path) {
 		return $this->basicOperation('opendir', $path, array('read'));
 	}
@@ -552,6 +556,11 @@ class View {
 		}
 	}
 
+	/**
+	 * @param string $path
+	 * @param string $mode
+	 * @return resource
+	 */
 	public function fopen($path, $mode) {
 		$hooks = array();
 		switch ($mode) {
@@ -796,7 +805,7 @@ class View {
 	 * @param string $path
 	 * @param boolean $includeMountPoints whether to add mountpoint sizes,
 	 * defaults to true
-	 * @return \OC\Files\FileInfo | false
+	 * @return \OC\Files\FileInfo|false
 	 */
 	public function getFileInfo($path, $includeMountPoints = true) {
 		$data = array();
@@ -991,7 +1000,7 @@ class View {
 	 * change file metadata
 	 *
 	 * @param string $path
-	 * @param array | \OCP\Files\FileInfo $data
+	 * @param array|\OCP\Files\FileInfo $data
 	 * @return int
 	 *
 	 * returns the fileid of the updated file
diff --git a/lib/private/geo.php b/lib/private/geo.php
index cd62511f0c..a0ad2b799a 100644
--- a/lib/private/geo.php
+++ b/lib/private/geo.php
@@ -8,8 +8,8 @@
 class OC_Geo{
 	/**
 	 * @brief returns the closest timezone to coordinates
-	 * @param $latitude
-	 * @param $longitude
+	 * @param float $latitude
+	 * @param float $longitude
 	 * @return mixed Closest timezone
 	 */
 	public static function timezone($latitude, $longitude) {
diff --git a/lib/private/group.php b/lib/private/group.php
index ea6384bae3..845b3655ba 100644
--- a/lib/private/group.php
+++ b/lib/private/group.php
@@ -58,7 +58,7 @@ class OC_Group {
 
 	/**
 	 * @brief set the group backend
-	 * @param  \OC_Group_Backend $backend  The backend to use for user managment
+	 * @param \OC_Group_Backend $backend  The backend to use for user managment
 	 * @return bool
 	 */
 	public static function useBackend($backend) {
@@ -179,7 +179,7 @@ class OC_Group {
 	/**
 	 * @brief Get all groups a user belongs to
 	 * @param string $uid Name of the user
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
@@ -203,7 +203,7 @@ class OC_Group {
 	 * @param string $search
 	 * @param int|null $limit
 	 * @param int|null $offset
-	 * @returns array with group names
+	 * @return array an array of group names
 	 *
 	 * Returns a list with all groups
 	 */
@@ -232,7 +232,7 @@ class OC_Group {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @returns array with user ids
+	 * @return array an array of user ids
 	 */
 	public static function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		$group = self::getManager()->get($gid);
@@ -254,7 +254,7 @@ class OC_Group {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with user ids
+	 * @return array an array of user ids
 	 */
 	public static function usersInGroups($gids, $search = '', $limit = -1, $offset = 0) {
 		$users = array();
@@ -271,7 +271,7 @@ class OC_Group {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @returns array with display names (value) and user ids(key)
+	 * @return array an array of display names (value) and user ids(key)
 	 */
 	public static function displayNamesInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		return self::getManager()->displayNamesInGroup($gid, $search, $limit, $offset);
@@ -283,7 +283,7 @@ class OC_Group {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with display names (Key) user ids (value)
+	 * @return array an array of display names (Key) user ids (value)
 	 */
 	public static function displayNamesInGroups($gids, $search = '', $limit = -1, $offset = 0) {
 		$displayNames = array();
diff --git a/lib/private/group/backend.php b/lib/private/group/backend.php
index cc61fce161..38522d0c43 100644
--- a/lib/private/group/backend.php
+++ b/lib/private/group/backend.php
@@ -69,7 +69,7 @@ abstract class OC_Group_Backend implements OC_Group_Interface {
 	/**
 	* @brief Check if backend implements actions
 	* @param int $actions bitwise-or'ed actions
-	* @return boolean
+	* @return bool
 	*
 	* Returns the supported actions as int to be
 	* compared with OC_GROUP_BACKEND_CREATE_GROUP etc.
@@ -93,7 +93,7 @@ abstract class OC_Group_Backend implements OC_Group_Interface {
 	/**
 	 * @brief Get all groups a user belongs to
 	 * @param string $uid Name of the user
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
@@ -107,7 +107,7 @@ abstract class OC_Group_Backend implements OC_Group_Interface {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * Returns a list with all groups
 	 */
@@ -131,7 +131,7 @@ abstract class OC_Group_Backend implements OC_Group_Interface {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with user ids
+	 * @return array an array of user ids
 	 */
 	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		return array();
diff --git a/lib/private/group/database.php b/lib/private/group/database.php
index df0d84d0d2..91baa3140c 100644
--- a/lib/private/group/database.php
+++ b/lib/private/group/database.php
@@ -140,7 +140,7 @@ class OC_Group_Database extends OC_Group_Backend {
 	/**
 	 * @brief Get all groups a user belongs to
 	 * @param string $uid Name of the user
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
@@ -163,7 +163,7 @@ class OC_Group_Database extends OC_Group_Backend {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * Returns a list with all groups
 	 */
@@ -197,7 +197,7 @@ class OC_Group_Database extends OC_Group_Backend {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with user ids
+	 * @return array an array of user ids
 	 */
 	public function usersInGroup($gid, $search = '', $limit = null, $offset = null) {
 		$stmt = OC_DB::prepare('SELECT `uid` FROM `*PREFIX*group_user` WHERE `gid` = ? AND `uid` LIKE ?',
@@ -215,9 +215,8 @@ class OC_Group_Database extends OC_Group_Backend {
 	 * @brief get the number of all users matching the search string in a group
 	 * @param string $gid
 	 * @param string $search
-	 * @param int $limit
-	 * @param int $offset
-	 * @return int | false
+	 * @return int|false
+	 * @throws DatabaseException
 	 */
 	public function countUsersInGroup($gid, $search = '') {
 		$stmt = OC_DB::prepare('SELECT COUNT(`uid`) AS `count` FROM `*PREFIX*group_user` WHERE `gid` = ? AND `uid` LIKE ?');
diff --git a/lib/private/group/dummy.php b/lib/private/group/dummy.php
index 94cbb607ad..75bab31a33 100644
--- a/lib/private/group/dummy.php
+++ b/lib/private/group/dummy.php
@@ -29,9 +29,9 @@ class OC_Group_Dummy extends OC_Group_Backend {
 	/**
 	 * @brief Try to create a new group
 	 * @param string $gid The name of the group to create
-	 * @returns true/false
+	 * @return bool
 	 *
-	 * Trys to create a new group. If the group name already exists, false will
+	 * Tries to create a new group. If the group name already exists, false will
 	 * be returned.
 	 */
 	public function createGroup($gid) {
@@ -45,8 +45,8 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief delete a group
-	 * @param $gid gid of the group to delete
-	 * @returns true/false
+	 * @param string $gid gid of the group to delete
+	 * @return bool
 	 *
 	 * Deletes a group and removes it from the group_user-table
 	 */
@@ -61,9 +61,9 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief is user in group?
-	 * @param $uid uid of the user
-	 * @param $gid gid of the group
-	 * @returns true/false
+	 * @param string $uid uid of the user
+	 * @param string $gid gid of the group
+	 * @return bool
 	 *
 	 * Checks whether the user is member of a group or not.
 	 */
@@ -77,9 +77,9 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief Add a user to a group
-	 * @param $uid Name of the user to add to group
-	 * @param $gid Name of the group in which add the user
-	 * @returns true/false
+	 * @param string $uid Name of the user to add to group
+	 * @param string $gid Name of the group in which add the user
+	 * @return bool
 	 *
 	 * Adds a user to a group.
 	 */
@@ -98,9 +98,9 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief Removes a user from a group
-	 * @param $uid NameUSER of the user to remove from group
-	 * @param $gid Name of the group from which remove the user
-	 * @returns true/false
+	 * @param string $uid Name of the user to remove from group
+	 * @param string $gid Name of the group from which remove the user
+	 * @return bool
 	 *
 	 * removes the user from a group.
 	 */
@@ -118,8 +118,8 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief Get all groups a user belongs to
-	 * @param $uid Name of the user
-	 * @returns array with group names
+	 * @param string $uid Name of the user
+	 * @return array an array of group names
 	 *
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
@@ -136,18 +136,23 @@ class OC_Group_Dummy extends OC_Group_Backend {
 	}
 
 	/**
-	 * @brief get a list of all groups
-	 * @returns array with group names
-	 *
-	 * Returns a list with all groups
+	 * @brief Get a list of all groups
+	 * @param string $search
+	 * @param int $limit
+	 * @param int $offset
+	 * @return array an array of group names
 	 */
 	public function getGroups($search = '', $limit = -1, $offset = 0) {
 		return array_keys($this->groups);
 	}
 
 	/**
-	 * @brief get a list of all users in a group
-	 * @returns array with user ids
+	 * @brief Get a list of all users in a group
+	 * @param string $gid
+	 * @param string $search
+	 * @param int $limit
+	 * @param int $offset
+	 * @return array an array of user IDs
 	 */
 	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		if(isset($this->groups[$gid])) {
@@ -159,7 +164,11 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief get the number of all users in a group
-	 * @returns int | bool
+	 * @param string $gid
+	 * @param string $search
+	 * @param int $limit
+	 * @param int $offset
+	 * @return int
 	 */
 	public function countUsersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		if(isset($this->groups[$gid])) {
diff --git a/lib/private/group/example.php b/lib/private/group/example.php
index 3519b9ed92..76c9ce2433 100644
--- a/lib/private/group/example.php
+++ b/lib/private/group/example.php
@@ -28,18 +28,18 @@
 abstract class OC_Group_Example {
 	/**
 	 * @brief Try to create a new group
-	 * @param $gid The name of the group to create
-	 * @returns true/false
+	 * @param string $gid The name of the group to create
+	 * @return bool
 	 *
-	 * Trys to create a new group. If the group name already exists, false will
+	 * Tries to create a new group. If the group name already exists, false will
 	 * be returned.
 	 */
 	abstract public static function createGroup($gid);
 
 	/**
 	 * @brief delete a group
-	 * @param $gid gid of the group to delete
-	 * @returns true/false
+	 * @param string $gid gid of the group to delete
+	 * @return bool
 	 *
 	 * Deletes a group and removes it from the group_user-table
 	 */
@@ -47,9 +47,9 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief is user in group?
-	 * @param $uid uid of the user
-	 * @param $gid gid of the group
-	 * @returns true/false
+	 * @param string $uid uid of the user
+	 * @param string $gid gid of the group
+	 * @return bool
 	 *
 	 * Checks whether the user is member of a group or not.
 	 */
@@ -57,9 +57,9 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief Add a user to a group
-	 * @param $uid Name of the user to add to group
-	 * @param $gid Name of the group in which add the user
-	 * @returns true/false
+	 * @param string $uid Name of the user to add to group
+	 * @param string $gid Name of the group in which add the user
+	 * @return bool
 	 *
 	 * Adds a user to a group.
 	 */
@@ -67,9 +67,9 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief Removes a user from a group
-	 * @param $uid NameUSER of the user to remove from group
-	 * @param $gid Name of the group from which remove the user
-	 * @returns true/false
+	 * @param string $uid Name of the user to remove from group
+	 * @param string $gid Name of the group from which remove the user
+	 * @return bool
 	 *
 	 * removes the user from a group.
 	 */
@@ -77,8 +77,8 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief Get all groups a user belongs to
-	 * @param $uid Name of the user
-	 * @returns array with group names
+	 * @param string $uid Name of the user
+	 * @return array an array of group names
 	 *
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
@@ -87,14 +87,15 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief get a list of all groups
-	 * @returns array with group names
-	 *
-	 * Returns a list with all groups
+	 * @param string $search
+	 * @param int $limit
+	 * @param int $offset
+	 * @return array an array of group names
 	 */
 	abstract public static function getGroups($search = '', $limit = -1, $offset = 0);
 
 	/**
-	 * check if a group exists
+	 * @brief Check if a group exists
 	 * @param string $gid
 	 * @return bool
 	 */
@@ -102,8 +103,11 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief get a list of all users in a group
-	 * @returns array with user ids
+	 * @param string $gid
+	 * @param string $search
+	 * @param int $limit
+	 * @param int $offset
+	 * @return array an array of user ids
 	 */
 	abstract public static function usersInGroup($gid, $search = '', $limit = -1, $offset = 0);
-
 }
diff --git a/lib/private/group/group.php b/lib/private/group/group.php
index 7593bb68d1..69641854dc 100644
--- a/lib/private/group/group.php
+++ b/lib/private/group/group.php
@@ -26,7 +26,7 @@ class Group {
 	private $usersLoaded;
 
 	/**
-	 * @var \OC_Group_Backend[] | \OC_Group_Database[] $backend
+	 * @var \OC_Group_Backend[]|\OC_Group_Database[] $backend
 	 */
 	private $backends;
 
@@ -184,7 +184,7 @@ class Group {
 	 * returns the number of users matching the search string
 	 *
 	 * @param string $search
-	 * @return int | bool
+	 * @return int|bool
 	 */
 	public function count($search) {
 		$users = false;
diff --git a/lib/private/group/interface.php b/lib/private/group/interface.php
index 4ef3663837..74d288d42c 100644
--- a/lib/private/group/interface.php
+++ b/lib/private/group/interface.php
@@ -45,7 +45,7 @@ interface OC_Group_Interface {
 	/**
 	 * @brief Get all groups a user belongs to
 	 * @param string $uid Name of the user
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * This function fetches all groups a user belongs to. It does not check
 	 * if the user exists at all.
@@ -57,7 +57,7 @@ interface OC_Group_Interface {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with group names
+	 * @return array an array of group names
 	 *
 	 * Returns a list with all groups
 	 */
@@ -76,7 +76,7 @@ interface OC_Group_Interface {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with user ids
+	 * @return array an array of user ids
 	 */
 	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0);
 
diff --git a/lib/private/group/manager.php b/lib/private/group/manager.php
index d31225e3c2..f03f700413 100644
--- a/lib/private/group/manager.php
+++ b/lib/private/group/manager.php
@@ -28,7 +28,7 @@ use OC\Hooks\PublicEmitter;
  */
 class Manager extends PublicEmitter {
 	/**
-	 * @var \OC_Group_Backend[] | \OC_Group_Database[] $backends
+	 * @var \OC_Group_Backend[]|\OC_Group_Database[] $backends
 	 */
 	private $backends = array();
 
@@ -165,7 +165,7 @@ class Manager extends PublicEmitter {
 	 * @param string $search
 	 * @param int $limit
 	 * @param int $offset
-	 * @return array with display names (value) and user ids (key)
+	 * @return array an array of display names (value) and user ids (key)
 	 */
 	public function displayNamesInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 		$group = $this->get($gid);
diff --git a/lib/private/helper.php b/lib/private/helper.php
index 6bc054bce8..12d82f6fb4 100644
--- a/lib/private/helper.php
+++ b/lib/private/helper.php
@@ -32,11 +32,11 @@ class OC_Helper {
 
 	/**
 	 * @brief Creates an url using a defined route
-	 * @param $route
+	 * @param string $route
 	 * @param array $parameters
 	 * @return
 	 * @internal param array $args with param=>value, will be appended to the returned url
-	 * @returns string the url
+	 * @return string the url
 	 *
 	 * Returns a url to the given app and file.
 	 */
@@ -495,7 +495,7 @@ class OC_Helper {
 	/**
 	 * detect if a given program is found in the search PATH
 	 *
-	 * @param $name
+	 * @param string $name
 	 * @param bool $path
 	 * @internal param string $program name
 	 * @internal param string $optional search path, defaults to $PATH
@@ -670,8 +670,8 @@ class OC_Helper {
 	/**
 	 * Adds a suffix to the name in case the file exists
 	 *
-	 * @param $path
-	 * @param $filename
+	 * @param string $path
+	 * @param string $filename
 	 * @return string
 	 */
 	public static function buildNotExistingFileName($path, $filename) {
@@ -682,8 +682,8 @@ class OC_Helper {
 	/**
 	 * Adds a suffix to the name in case the file exists
 	 *
-	 * @param $path
-	 * @param $filename
+	 * @param string $path
+	 * @param string $filename
 	 * @return string
 	 */
 	public static function buildNotExistingFileNameForView($path, $filename, \OC\Files\View $view) {
@@ -775,7 +775,7 @@ class OC_Helper {
 	/**
 	 * @brief replaces a copy of string delimited by the start and (optionally) length parameters with the string given in replacement.
 	 *
-	 * @param $string
+	 * @param string $string
 	 * @param string $replacement The replacement string.
 	 * @param int $start If start is positive, the replacing will begin at the start'th offset into string. If start is negative, the replacing will begin at the start'th character from the end of string.
 	 * @param int $length Length of the part to be replaced
diff --git a/lib/private/hook.php b/lib/private/hook.php
index 7ae6496f91..b715db2d16 100644
--- a/lib/private/hook.php
+++ b/lib/private/hook.php
@@ -45,7 +45,7 @@ class OC_Hook{
 	 * @brief emits a signal
 	 * @param string $signalclass class name of emitter
 	 * @param string $signalname name of signal
-	 * @param array $params default: array() array with additional data
+	 * @param mixed $params default: array() array with additional data
 	 * @return bool, true if slots exists or false if not
 	 *
 	 * Emits a signal. To get data from the slot use references!
diff --git a/lib/private/image.php b/lib/private/image.php
index 14aa64d12d..341bfaaf81 100644
--- a/lib/private/image.php
+++ b/lib/private/image.php
@@ -424,7 +424,7 @@ class OC_Image {
 	* @brief Loads an image from an open file handle.
 	* It is the responsibility of the caller to position the pointer at the correct place and to close the handle again.
 	* @param resource $handle
-	* @return An image resource or false on error
+	* @return resource|false An image resource or false on error
 	*/
 	public function loadFromFileHandle($handle) {
 		OC_Log::write('core', __METHOD__.'(): Trying', OC_Log::DEBUG);
diff --git a/lib/private/installer.php b/lib/private/installer.php
index 64e8e3a5e7..9417c32bc8 100644
--- a/lib/private/installer.php
+++ b/lib/private/installer.php
@@ -221,7 +221,7 @@ class OC_Installer{
 	/**
 	 * @brief checks whether or not an app is installed
 	 * @param string $app app
-	 * @returns true/false
+	 * @return bool
 	 *
 	 * Checks whether or not an app is installed, i.e. registered in apps table.
 	 */
@@ -313,7 +313,7 @@ class OC_Installer{
 	/**
 	 * @brief Removes an app
 	 * @param string $name name of the application to remove
-	 * @param $options array with options
+	 * @param array $options options
 	 * @return boolean|null
 	 *
 	 * This function removes an app. $options is an associative array. The
diff --git a/lib/private/l10n.php b/lib/private/l10n.php
index c1596a6416..c9d9e8131b 100644
--- a/lib/private/l10n.php
+++ b/lib/private/l10n.php
@@ -183,7 +183,7 @@ class OC_L10N implements \OCP\IL10N {
 	 *
 	 * Parts of the code is copied from Habari:
 	 * https://github.com/habari/system/blob/master/classes/locale.php
-	 * @param $string string
+	 * @param string $string
 	 * @return string
 	 */
 	protected function createPluralFormFunction($string){
@@ -278,7 +278,7 @@ class OC_L10N implements \OCP\IL10N {
 
 	/**
 	 * @brief getTranslations
-	 * @returns array Fetch all translations
+	 * @return array Fetch all translations
 	 *
 	 * Returns an associative array with all translations
 	 */
@@ -289,7 +289,7 @@ class OC_L10N implements \OCP\IL10N {
 
 	/**
 	 * @brief getPluralFormString
-	 * @returns string containing the gettext "Plural-Forms"-string
+	 * @return string containing the gettext "Plural-Forms"-string
 	 *
 	 * Returns a string like "nplurals=2; plural=(n != 1);"
 	 */
@@ -300,7 +300,7 @@ class OC_L10N implements \OCP\IL10N {
 
 	/**
 	 * @brief getPluralFormFunction
-	 * @returns string the plural form function
+	 * @return string the plural form function
 	 *
 	 * returned function accepts the argument $n
 	 */
@@ -314,7 +314,7 @@ class OC_L10N implements \OCP\IL10N {
 
 	/**
 	 * @brief get localizations
-	 * @returns array Fetch all localizations
+	 * @return array Fetch all localizations
 	 *
 	 * Returns an associative array with all localizations
 	 */
@@ -327,7 +327,7 @@ class OC_L10N implements \OCP\IL10N {
 	 * @brief Localization
 	 * @param string $type Type of localization
 	 * @param array|int|string $data parameters for this localization
-	 * @returns String or false
+	 * @return String or false
 	 *
 	 * Returns the localized data.
 	 *
@@ -381,7 +381,7 @@ class OC_L10N implements \OCP\IL10N {
 	/**
 	 * @brief Choose a language
 	 * @param array $text Associative Array with possible strings
-	 * @returns String
+	 * @return String
 	 *
 	 * $text is an array 'de' => 'hallo welt', 'en' => 'hello world', ...
 	 *
@@ -404,7 +404,7 @@ class OC_L10N implements \OCP\IL10N {
 	/**
 	 * @brief find the best language
 	 * @param array|string $app details below
-	 * @returns string language
+	 * @return string language
 	 *
 	 * If $app is an array, ownCloud assumes that these are the available
 	 * languages. Otherwise ownCloud tries to find the files in the l10n
@@ -477,7 +477,7 @@ class OC_L10N implements \OCP\IL10N {
 	/**
 	 * @brief find the l10n directory
 	 * @param string $app App that needs to be translated
-	 * @returns directory
+	 * @return directory
 	 */
 	protected static function findI18nDir($app) {
 		// find the i18n dir
@@ -497,7 +497,7 @@ class OC_L10N implements \OCP\IL10N {
 	/**
 	 * @brief find all available languages for an app
 	 * @param string $app App that needs to be translated
-	 * @returns array an array of available languages
+	 * @return array an array of available languages
 	 */
 	public static function findAvailableLanguages($app=null) {
 		$available=array('en');//english is always available
@@ -517,7 +517,7 @@ class OC_L10N implements \OCP\IL10N {
 	/**
 	 * @param string $app
 	 * @param string $lang
-	 * @returns bool
+	 * @return bool
 	 */
 	public static function languageExists($app, $lang) {
 		if ($lang == 'en') {//english is always available
diff --git a/lib/private/l10n/factory.php b/lib/private/l10n/factory.php
index 8c65f36817..d0c3799b9c 100644
--- a/lib/private/l10n/factory.php
+++ b/lib/private/l10n/factory.php
@@ -20,8 +20,8 @@ class Factory {
 
 	/**
 	 * get an L10N instance
-	 * @param $app string
-	 * @param $lang string|null
+	 * @param string $app
+	 * @param string|null $lang
 	 * @return \OC_L10N
 	 */
 	public function get($app) {
diff --git a/lib/private/legacy/appconfig.php b/lib/private/legacy/appconfig.php
index cb5cef7e35..209f42ffe3 100644
--- a/lib/private/legacy/appconfig.php
+++ b/lib/private/legacy/appconfig.php
@@ -35,7 +35,7 @@ class OC_Appconfig {
 
 	/**
 	 * @brief Get all apps using the config
-	 * @return array with app ids
+	 * @return array an array of app ids
 	 *
 	 * This function returns a list of all apps that have at least one
 	 * entry in the appconfig table.
@@ -47,7 +47,7 @@ class OC_Appconfig {
 	/**
 	 * @brief Get the available keys for an app
 	 * @param string $app the app we are looking for
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function gets all keys of an app. Please note that the values are
 	 * not returned.
diff --git a/lib/private/legacy/config.php b/lib/private/legacy/config.php
index 6c2103179a..76a53d3f62 100644
--- a/lib/private/legacy/config.php
+++ b/lib/private/legacy/config.php
@@ -51,7 +51,7 @@ class OC_Config {
 
 	/**
 	 * @brief Lists all available config keys
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function returns all keys saved in config.php. Please note that it
 	 * does not return the values.
diff --git a/lib/private/legacy/preferences.php b/lib/private/legacy/preferences.php
index fcde12796c..eed6730a52 100644
--- a/lib/private/legacy/preferences.php
+++ b/lib/private/legacy/preferences.php
@@ -29,7 +29,7 @@ class OC_Preferences{
 	public static $object;
 	/**
 	 * @brief Get all users using the preferences
-	 * @return array with user ids
+	 * @return array an array of user ids
 	 *
 	 * This function returns a list of all users that have at least one entry
 	 * in the preferences table.
@@ -54,7 +54,7 @@ class OC_Preferences{
 	 * @brief Get the available keys for an app
 	 * @param string $user user
 	 * @param string $app the app we are looking for
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function gets all keys of an app of an user. Please note that the
 	 * values are not returned.
diff --git a/lib/private/migrate.php b/lib/private/migrate.php
index 5bcc11b061..98c825aafd 100644
--- a/lib/private/migrate.php
+++ b/lib/private/migrate.php
@@ -333,7 +333,7 @@ class OC_Migrate{
 
 	/**
 	* @brief tries to extract the import zip
-	* @param $path string path to the zip
+	* @param string $path path to the zip
 	* @return string path to extract location (with a trailing slash) or false on failure
 	*/
 	static private function extractZip( $path ) {
@@ -536,9 +536,9 @@ class OC_Migrate{
 	/**
 	* @brief imports a new user
 	* @param string $db string path to migration.db
-	* @param $info object of migration info
+	* @param object $info object of migration info
 	* @param string|null|int $uid uid to use
-	* @return array of apps with import statuses, or false on failure.
+	* @return array an array of apps with import statuses, or false on failure.
 	*/
 	public static function importAppData( $db, $info, $uid=null ) {
 		// Check if the db exists
diff --git a/lib/private/migration/content.php b/lib/private/migration/content.php
index b0e7a4e952..d3b2fe836a 100644
--- a/lib/private/migration/content.php
+++ b/lib/private/migration/content.php
@@ -35,7 +35,7 @@ class OC_Migration_Content{
 	/**
 	* @brief sets up the
 	* @param ZipArchive $zip ZipArchive object
-	* @param $db a database object (required for exporttype user)
+	* @param object $db a database object (required for exporttype user)
 	* @return bool|null
 	*/
 	public function __construct( $zip, $db=null ) {
@@ -45,11 +45,9 @@ class OC_Migration_Content{
 
 	}
 
-	// @brief prepares the db
-	// @param $query the sql query to prepare
-
 	/**
-	 * @param string $query
+	 * @brief prepares the db
+	 * @param string $query the sql query to prepare
 	 */
 	public function prepare( $query ) {
 
@@ -88,7 +86,7 @@ class OC_Migration_Content{
 
 	/**
 	* @brief copys rows to migration.db from the main database
-	* @param $options array of options.
+	* @param array $options array of options.
 	* @return bool
 	*/
 	public function copyRows( $options ) {
@@ -131,7 +129,7 @@ class OC_Migration_Content{
 	/**
 	* @brief saves a sql data set into migration.db
 	* @param OC_DB_StatementWrapper $data a sql data set returned from self::prepare()->query()
-	* @param $options array of copyRows options
+	* @param array $options array of copyRows options
 	* @return void
 	*/
 	private function insertData( $data, $options ) {
@@ -170,8 +168,8 @@ class OC_Migration_Content{
 	/**
 	* @brief adds a directory to the zip object
 	* @param boolean|string $dir string path of the directory to add
-	* @param $recursive bool
-	* @param $internaldir string path of folder to add dir to in zip
+	* @param bool $recursive
+	* @param string $internaldir path of folder to add dir to in zip
 	* @return bool
 	*/
 	public function addDir( $dir, $recursive=true, $internaldir='' ) {
diff --git a/lib/private/navigationmanager.php b/lib/private/navigationmanager.php
index 1f657b9ad8..d7111af03c 100644
--- a/lib/private/navigationmanager.php
+++ b/lib/private/navigationmanager.php
@@ -30,7 +30,7 @@ class NavigationManager implements \OCP\INavigationManager {
 
 	/**
 	 * @brief returns all the added Menu entries
-	 * @return array of the added entries
+	 * @return array an array of the added entries
 	 */
 	public function getAll() {
 		return $this->entries;
diff --git a/lib/private/ocs.php b/lib/private/ocs.php
index 211e822214..aeb3d259b3 100644
--- a/lib/private/ocs.php
+++ b/lib/private/ocs.php
@@ -213,8 +213,8 @@ class OC_OCS {
 	}
 
 	/**
-	 * @param $writer
-	 * @param $data
+	 * @param resource $writer
+	 * @param array $data
 	 * @param string $node
 	 */
 	public static function toXml($writer, $data, $node) {
diff --git a/lib/private/ocs/cloud.php b/lib/private/ocs/cloud.php
index c8bb9425f1..3ced0af8ee 100644
--- a/lib/private/ocs/cloud.php
+++ b/lib/private/ocs/cloud.php
@@ -57,8 +57,8 @@ class OC_OCS_Cloud {
 	 *   </quota>
 	 * </data>
 	 *
-	 * @param $parameters object should contain parameter 'userid' which identifies
-	 *                           the user from whom the information will be returned
+	 * @param array $parameters should contain parameter 'userid' which identifies
+	 *                          the user from whom the information will be returned
 	 */
 	public static function getUser($parameters) {
 		$return  = array();
diff --git a/lib/private/ocs/result.php b/lib/private/ocs/result.php
index 0e3b85d590..567fe7f87f 100644
--- a/lib/private/ocs/result.php
+++ b/lib/private/ocs/result.php
@@ -26,7 +26,7 @@ class OC_OCS_Result{
 
 	/**
 	 * create the OCS_Result object
-	 * @param $data mixed the data to return
+	 * @param mixed $data the data to return
 	 */
 	public function __construct($data=null, $code=100, $message=null) {
 		if ($data === null) {
@@ -42,7 +42,7 @@ class OC_OCS_Result{
 
 	/**
 	 * optionally set the total number of items available
-	 * @param $items int
+	 * @param int $items
 	 */
 	public function setTotalItems(int $items) {
 		$this->items = $items;
@@ -50,7 +50,7 @@ class OC_OCS_Result{
 
 	/**
 	 * optionally set the the number of items per page
-	 * @param $items int
+	 * @param int $items
 	 */
 	public function setItemsPerPage(int $items) {
 		$this->perPage = $items;
diff --git a/lib/private/ocsclient.php b/lib/private/ocsclient.php
index b0480caf02..fb8282747e 100644
--- a/lib/private/ocsclient.php
+++ b/lib/private/ocsclient.php
@@ -30,7 +30,7 @@ class OC_OCSClient{
 
 	/**
 	 * @brief Get the url of the OCS AppStore server.
-	 * @returns string of the AppStore server
+	 * @return string of the AppStore server
 	 *
 	 * This function returns the url of the OCS AppStore server. It´s possible
 	 * to set it in the config file or it will fallback to the default
@@ -48,7 +48,7 @@ class OC_OCSClient{
 
 	/**
 	 * @brief Get the content of an OCS url call.
-	 * @returns string of the response
+	 * @return string of the response
 	 * This function calls an OCS server and returns the response. It also sets a sane timeout
 	* @param string $url
 	*/
@@ -59,7 +59,7 @@ class OC_OCSClient{
 
 	/**
 	 * @brief Get all the categories from the OCS server
-	 * @returns array with category ids
+	 * @return array an array of category ids
 	 * @note returns NULL if config value appstoreenabled is set to false
 	 * This function returns a list of all the application categories on the OCS server
 	 */
@@ -92,10 +92,10 @@ class OC_OCSClient{
 
 	/**
 	 * @brief Get all the applications from the OCS server
-	 * @returns array with application data
+	 * @return array an array of application data
 	 *
 	 * This function returns a list of all the applications on the OCS server
-	 * @param $categories
+	 * @param array|string $categories
 	 * @param int $page
 	 * @param string $filter
 	 */
@@ -150,7 +150,7 @@ class OC_OCSClient{
 	/**
 	 * @brief Get an the applications from the OCS server
 	 * @param string $id
-	 * @returns array with application data
+	 * @return array an array of application data
 	 *
 	 * This function returns an  applications from the OCS server
 	 */
@@ -192,7 +192,7 @@ class OC_OCSClient{
 
 	/**
 	 * @brief Get the download url for an application from the OCS server
-	 * @returns array with application data
+	 * @return array an array of application data
 	 *
 	 * This function returns an download url for an applications from the OCS server
 	 * @param string $id
diff --git a/lib/private/preferences.php b/lib/private/preferences.php
index d45e6e7708..3cadb6a2e9 100644
--- a/lib/private/preferences.php
+++ b/lib/private/preferences.php
@@ -69,7 +69,7 @@ class Preferences {
 
 	/**
 	 * @brief Get all users using the preferences
-	 * @return array with user ids
+	 * @return array an array of user ids
 	 *
 	 * This function returns a list of all users that have at least one entry
 	 * in the preferences table.
@@ -125,7 +125,7 @@ class Preferences {
 	 * @brief Get the available keys for an app
 	 * @param string $user user
 	 * @param string $app the app we are looking for
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function gets all keys of an app of an user. Please note that the
 	 * values are not returned.
diff --git a/lib/private/preview.php b/lib/private/preview.php
index 2964b83c50..eb932470a4 100755
--- a/lib/private/preview.php
+++ b/lib/private/preview.php
@@ -191,7 +191,7 @@ class Preview {
 	/**
 	 * @brief set the path of the file you want a thumbnail from
 	 * @param string $file
-	 * @return $this
+	 * @return \OC\Preview $this
 	 */
 	public function setFile($file) {
 		$this->file = $file;
@@ -217,7 +217,7 @@ class Preview {
 	 * @brief set the the max width of the preview
 	 * @param int $maxX
 	 * @throws \Exception
-	 * @return $this
+	 * @return \OC\Preview $this
 	 */
 	public function setMaxX($maxX = 1) {
 		if ($maxX <= 0) {
@@ -238,7 +238,7 @@ class Preview {
 	 * @brief set the the max height of the preview
 	 * @param int $maxY
 	 * @throws \Exception
-	 * @return $this
+	 * @return \OC\Preview $this
 	 */
 	public function setMaxY($maxY = 1) {
 		if ($maxY <= 0) {
@@ -258,7 +258,7 @@ class Preview {
 	/**
 	 * @brief set whether or not scalingup is enabled
 	 * @param bool $scalingUp
-	 * @return $this
+	 * @return \OC\Preview $this
 	 */
 	public function setScalingup($scalingUp) {
 		if ($this->getMaxScaleFactor() === 1) {
@@ -382,7 +382,7 @@ class Preview {
 	/**
 	 * @brief get possible bigger thumbnails of the given image
 	 * @param int $fileId fileId of the original image
-	 * @return array of paths to bigger thumbnails
+	 * @return array an array of paths to bigger thumbnails
 	*/
 	private function getPossibleThumbnails($fileId) {
 
@@ -750,7 +750,7 @@ class Preview {
 	}
 
 	/**
-	 * @param $fileId
+	 * @param int $fileId
 	 * @return string
 	 */
 	private function buildCachePath($fileId) {
diff --git a/lib/private/request.php b/lib/private/request.php
index 90f7488eea..cf9a316b85 100755
--- a/lib/private/request.php
+++ b/lib/private/request.php
@@ -18,7 +18,7 @@ class OC_Request {
 	/**
 	 * @brief Check overwrite condition
 	 * @param string $type
-	 * @returns bool
+	 * @return bool
 	 */
 	private static function isOverwriteCondition($type = '') {
 		$regex = '/' . OC_Config::getValue('overwritecondaddr', '')  . '/';
@@ -49,7 +49,7 @@ class OC_Request {
 	/**
 	 * @brief Returns the unverified server host from the headers without checking
 	 * whether it is a trusted domain
-	 * @returns string the server host
+	 * @return string the server host
 	 *
 	 * Returns the server host, even if the website uses one or more
 	 * reverse proxies
@@ -89,7 +89,7 @@ class OC_Request {
 	/**
 	 * @brief Returns the server host from the headers, or the first configured
 	 * trusted domain if the host isn't in the trusted list
-	 * @returns string the server host
+	 * @return string the server host
 	 *
 	 * Returns the server host, even if the website uses one or more
 	 * reverse proxies
@@ -121,7 +121,7 @@ class OC_Request {
 
 	/**
 	* @brief Returns the server protocol
-	* @returns string the server protocol
+	* @return string the server protocol
 	*
 	* Returns the server protocol. It respects reverse proxy servers and load balancers
 	*/
@@ -143,7 +143,7 @@ class OC_Request {
 
 	/**
 	 * @brief Returns the request uri
-	 * @returns string the request uri
+	 * @return string the request uri
 	 *
 	 * Returns the request uri, even if the website uses one or more
 	 * reverse proxies
diff --git a/lib/private/response.php b/lib/private/response.php
index 4905c0a787..f976925fb2 100644
--- a/lib/private/response.php
+++ b/lib/private/response.php
@@ -93,7 +93,7 @@ class OC_Response {
 
 	/**
 	* @brief Set reponse expire time
-	* @param $expires date-time when the response expires
+	* @param string|DateTime $expires date-time when the response expires
 	*  string for DateInterval from now
 	*  DateTime object when to expire response
 	*/
@@ -113,7 +113,7 @@ class OC_Response {
 	/**
 	* Checks and set ETag header, when the request matches sends a
 	* 'not modified' response
-	* @param $etag token to use for modification check
+	* @param string $etag token to use for modification check
 	*/
 	static public function setETagHeader($etag) {
 		if (empty($etag)) {
@@ -131,7 +131,7 @@ class OC_Response {
 	/**
 	* Checks and set Last-Modified header, when the request matches sends a
 	* 'not modified' response
-	* @param $lastModified time when the reponse was last modified
+	* @param int|DateTime|string $lastModified time when the reponse was last modified
 	*/
 	static public function setLastModifiedHeader($lastModified) {
 		if (empty($lastModified)) {
diff --git a/lib/private/route/route.php b/lib/private/route/route.php
index df80facf9c..87030ad785 100644
--- a/lib/private/route/route.php
+++ b/lib/private/route/route.php
@@ -124,7 +124,7 @@ class Route extends SymfonyRoute implements IRoute {
 	/**
 	 * The action to execute when this route matches, includes a file like
 	 * it is called directly
-	 * @param $file
+	 * @param string $file
 	 * @return void
 	 */
 	public function actionInclude($file) {
diff --git a/lib/private/route/router.php b/lib/private/route/router.php
index 44b0b94150..a72ac2bb3f 100644
--- a/lib/private/route/router.php
+++ b/lib/private/route/router.php
@@ -239,7 +239,7 @@ class Router implements IRouter {
 
 	/**
 	 * To isolate the variable scope used inside the $file it is required in it's own method
-	 * @param $file
+	 * @param string $file
 	 */
 	private function requireRouteFile($file) {
 		require_once $file;
diff --git a/lib/private/share/helper.php b/lib/private/share/helper.php
index 515ec85909..bc83d56984 100644
--- a/lib/private/share/helper.php
+++ b/lib/private/share/helper.php
@@ -25,13 +25,14 @@ class Helper extends \OC\Share\Constants {
 
 	/**
 	 * Generate a unique target for the item
-	 * @param string Item type
-	 * @param string Item source
-	 * @param int SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
-	 * @param string User or group the item is being shared with
-	 * @param string User that is the owner of shared item
-	 * @param string The suggested target originating from a reshare (optional)
-	 * @param int The id of the parent group share (optional)
+	 * @param string $itemType
+	 * @param string $itemSource
+	 * @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, or SHARE_TYPE_LINK
+	 * @param string $shareWith User or group the item is being shared with
+	 * @param string $uidOwner User that is the owner of shared item
+	 * @param string $suggestedTarget The suggested target originating from a reshare (optional)
+	 * @param int $groupParent The id of the parent group share (optional)
+	 * @throws \Exception
 	 * @return string Item target
 	 */
 	public static function generateTarget($itemType, $itemSource, $shareType, $shareWith, $uidOwner,
@@ -142,9 +143,9 @@ class Helper extends \OC\Share\Constants {
 
 	/**
 	 * Delete all reshares of an item
-	 * @param int Id of item to delete
-	 * @param bool If true, exclude the parent from the delete (optional)
-	 * @param string The user that the parent was shared with (optinal)
+	 * @param int $parent Id of item to delete
+	 * @param bool $excludeParent If true, exclude the parent from the delete (optional)
+	 * @param string $uidOwner The user that the parent was shared with (optional)
 	 */
 	public static function delete($parent, $excludeParent = false, $uidOwner = null) {
 		$ids = array($parent);
diff --git a/lib/private/share/hooks.php b/lib/private/share/hooks.php
index a33c71eedd..9ac64d888e 100644
--- a/lib/private/share/hooks.php
+++ b/lib/private/share/hooks.php
@@ -22,9 +22,9 @@
 namespace OC\Share;
 
 class Hooks extends \OC\Share\Constants {
-		/**
+	/**
 	 * Function that is called after a user is deleted. Cleans up the shares of that user.
-	 * @param array arguments
+	 * @param array $arguments
 	 */
 	public static function post_deleteUser($arguments) {
 		// Delete any items shared with the deleted user
@@ -42,7 +42,7 @@ class Hooks extends \OC\Share\Constants {
 	/**
 	 * Function that is called after a user is added to a group.
 	 * TODO what does it do?
-	 * @param array arguments
+	 * @param array $arguments
 	 */
 	public static function post_addToGroup($arguments) {
 		// Find the group shares and check if the user needs a unique target
@@ -76,7 +76,7 @@ class Hooks extends \OC\Share\Constants {
 
 	/**
 	 * Function that is called after a user is removed from a group. Shares are cleaned up.
-	 * @param array arguments
+	 * @param array $arguments
 	 */
 	public static function post_removeFromGroup($arguments) {
 		$sql = 'SELECT `id`, `share_type` FROM `*PREFIX*share`'
@@ -95,7 +95,7 @@ class Hooks extends \OC\Share\Constants {
 
 	/**
 	 * Function that is called after a group is removed. Cleans up the shares to that group.
-	 * @param array arguments
+	 * @param array $arguments
 	 */
 	public static function post_deleteGroup($arguments) {
 		$sql = 'SELECT `id` FROM `*PREFIX*share` WHERE `share_type` = ? AND `share_with` = ?';
diff --git a/lib/private/share/mailnotifications.php b/lib/private/share/mailnotifications.php
index 4799db5233..ca0dff6562 100644
--- a/lib/private/share/mailnotifications.php
+++ b/lib/private/share/mailnotifications.php
@@ -21,11 +21,30 @@
 
 namespace OC\Share;
 
+use DateTime;
+
 class MailNotifications {
 
-	private $senderId;    // sender userId
-	private $from;        // sender email address
+	/**
+	 * sender userId
+	 * @var null|string
+	 */
+	private $senderId;
+
+	/**
+	 * sender email address
+	 * @var string
+	 */
+	private $from;
+
+	/**
+	 * @var string
+	 */
 	private $senderDisplayName;
+
+	/**
+	 * @var \OC_L10N
+	 */
 	private $l;
 
 	/**
@@ -50,8 +69,8 @@ class MailNotifications {
 	 * @brief inform users if a file was shared with them
 	 *
 	 * @param array $recipientList list of recipients
-	 * @param type $itemSource shared item source
-	 * @param type $itemType shared item type
+	 * @param string $itemSource shared item source
+	 * @param string $itemType shared item type
 	 * @return array list of user to whom the mail send operation failed
 	 */
 	public function sendInternalShareMail($recipientList, $itemSource, $itemType) {
@@ -136,7 +155,7 @@ class MailNotifications {
 	 * @param string $filename the shared file
 	 * @param string $link link to the shared file
 	 * @param int $expiration expiration date (timestamp)
-	 * @return array with the html mail body and the plain text mail body
+	 * @return array an array of the html mail body and the plain text mail body
 	 */
 	private function createMailBody($filename, $link, $expiration) {
 
diff --git a/lib/private/share/searchresultsorter.php b/lib/private/share/searchresultsorter.php
index 76abbf3084..91709902ff 100644
--- a/lib/private/share/searchresultsorter.php
+++ b/lib/private/share/searchresultsorter.php
@@ -18,8 +18,8 @@ class SearchResultSorter {
 	 * @param string $search the search term as was given by the user
 	 * @param string $key the array key containing the value that should be compared
 	 * against
-	 * @param $encoding optional, encoding to use, defaults to UTF-8
-	 * @param $log optional, an \OC\Log instance
+	 * @param string $encoding optional, encoding to use, defaults to UTF-8
+	 * @param \OC\Log $log optional
 	 */
 	public function __construct($search, $key, \OC\Log $log = null, $encoding = 'UTF-8') {
 		$this->encoding = $encoding;
diff --git a/lib/private/share/share.php b/lib/private/share/share.php
index 6f8830e73f..a8537a916f 100644
--- a/lib/private/share/share.php
+++ b/lib/private/share/share.php
@@ -254,13 +254,13 @@ class Share extends \OC\Share\Constants {
 
 	/**
 	 * Get the items of item type shared with a user
-	 * @param string Item type
-	 * @param sting user id for which user we want the shares
-	 * @param int Format (optional) Format type must be defined by the backend
-	 * @param mixed Parameters (optional)
-	 * @param int Number of items to return (optional) Returns all by default
-	 * @param boolean include collections (optional)
-	 * @return Return depends on format
+	 * @param string $itemType
+	 * @param string $user id for which user we want the shares
+	 * @param int $format (optional) Format type must be defined by the backend
+	 * @param mixed $parameters (optional)
+	 * @param int $limit Number of items to return (optional) Returns all by default
+	 * @param boolean $includeCollections (optional)
+	 * @return mixed Return depends on format
 	 */
 	public static function getItemsSharedWithUser($itemType, $user, $format = self::FORMAT_NONE,
 		$parameters = null, $limit = -1, $includeCollections = false) {
@@ -352,7 +352,7 @@ class Share extends \OC\Share\Constants {
 	 * @param string $itemType
 	 * @param string $itemSource
 	 * @param string $uidOwner Owner of link
-	 * @return Item
+	 * @return array
 	 */
 	public static function getItemSharedWithByLink($itemType, $itemSource, $uidOwner) {
 		return self::getItems($itemType, $itemSource, self::SHARE_TYPE_LINK, null, $uidOwner, self::FORMAT_NONE,
@@ -362,7 +362,7 @@ class Share extends \OC\Share\Constants {
 	/**
 	 * Based on the given token the share information will be returned - password protected shares will be verified
 	 * @param string $token
-	 * @return array | boolean false will be returned in case the token is unknown or unauthorized
+	 * @return array|boolean false will be returned in case the token is unknown or unauthorized
 	 */
 	public static function getShareByToken($token, $checkPasswordProtection = true) {
 		$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*share` WHERE `token` = ?', 1);
@@ -388,8 +388,8 @@ class Share extends \OC\Share\Constants {
 
 	/**
 	 * resolves reshares down to the last real share
-	 * @param $linkItem
-	 * @return $fileOwner
+	 * @param array $linkItem
+	 * @return array file owner
 	 */
 	public static function resolveReShare($linkItem)
 	{
@@ -446,7 +446,7 @@ class Share extends \OC\Share\Constants {
 	 * @param string $uidOwner
 	 * @param boolean $includeCollections
 	 * @param boolean $checkExpireDate
-	 * @return Return array of users
+	 * @return array Return array of users
 	 */
 	public static function getUsersItemShared($itemType, $itemSource, $uidOwner, $includeCollections = false, $checkExpireDate = true) {
 
@@ -926,6 +926,7 @@ class Share extends \OC\Share\Constants {
 	/**
 	 * Get the backend class for the specified item type
 	 * @param string $itemType
+	 * @throws \Exception
 	 * @return \OCP\Share_Backend
 	 */
 	public static function getBackend($itemType) {
@@ -1000,10 +1001,10 @@ class Share extends \OC\Share\Constants {
 	/**
 	 * Get shared items from the database
 	 * @param string $itemType
-	 * @param string Item source or target (optional)
+	 * @param string $item Item source or target (optional)
 	 * @param int $shareType SHARE_TYPE_USER, SHARE_TYPE_GROUP, SHARE_TYPE_LINK, $shareTypeUserAndGroups, or $shareTypeGroupUserUnique
 	 * @param string $shareWith User or group the item is being shared with
-	 * @param string uidOwner User that is the owner of shared items (optional)
+	 * @param string $uidOwner User that is the owner of shared items (optional)
 	 * @param int $format Format to convert items to with formatItems() (optional)
 	 * @param mixed $parameters to pass to formatItems() (optional)
 	 * @param int $limit Number of items to return, -1 to return all matches (optional)
@@ -1353,6 +1354,7 @@ class Share extends \OC\Share\Constants {
 	 * @param boolean|array $parentFolder Parent folder target (optional)
 	 * @param string $token (optional)
 	 * @param string $itemSourceName name of the source item (optional)
+	 * @throws \Exception
 	 * @return boolean Returns true on success or false on failure
 	 */
 	private static function put($itemType, $itemSource, $shareType, $shareWith, $uidOwner,
@@ -1641,7 +1643,7 @@ class Share extends \OC\Share\Constants {
 	}
 
 	/**
-	 * @breif construct select statement
+	 * @brief construct select statement
 	 * @param int $format
 	 * @param boolean $fileDependent ist it a file/folder share or a generla share
 	 * @param string $uidOwner
diff --git a/lib/private/subadmin.php b/lib/private/subadmin.php
index 5b6072987a..3e8b73d55b 100644
--- a/lib/private/subadmin.php
+++ b/lib/private/subadmin.php
@@ -167,7 +167,7 @@ class OC_SubAdmin{
 
 	/**
 	 * @brief delete all SubAdmins by uid
-	 * @param $parameters
+	 * @param array $parameters
 	 * @return boolean
 	 */
 	public static function post_deleteUser($parameters) {
@@ -178,7 +178,7 @@ class OC_SubAdmin{
 
 	/**
 	 * @brief delete all SubAdmins by gid
-	 * @param $parameters
+	 * @param array $parameters
 	 * @return boolean
 	 */
 	public static function post_deleteGroup($parameters) {
diff --git a/lib/private/tags.php b/lib/private/tags.php
index 2e786e3fd7..0b62caf2dd 100644
--- a/lib/private/tags.php
+++ b/lib/private/tags.php
@@ -393,7 +393,7 @@ class Tags implements \OCP\ITags {
 	*
 	* For hooking up on post_deleteUser
 	*
-	* @param array
+	* @param array $arguments
 	*/
 	public static function post_deleteUser($arguments) {
 		// Find all objectid/tagId pairs.
diff --git a/lib/private/template/functions.php b/lib/private/template/functions.php
index 3c42d441ef..3f5312c0a7 100644
--- a/lib/private/template/functions.php
+++ b/lib/private/template/functions.php
@@ -70,8 +70,8 @@ function mimetype_icon( $mimetype ) {
 /**
  * @brief make preview_icon available as a simple function
  * Returns the path to the preview of the image.
- * @param $path path of file
- * @returns link to the preview
+ * @param string $path path of file
+ * @return link to the preview
  *
  * For further information have a look at OC_Helper::previewIcon
  */
diff --git a/lib/private/template/resourcelocator.php b/lib/private/template/resourcelocator.php
index 8a3dd5e7fa..900aa6a8f0 100644
--- a/lib/private/template/resourcelocator.php
+++ b/lib/private/template/resourcelocator.php
@@ -53,13 +53,9 @@ abstract class ResourceLocator {
 
 	/*
 	 * @brief append the $file resource if exist at $root
-	 * @param $root path to check
-	 * @param $file the filename
-	 * @param $web base for path, default map $root to $webroot
-	 */
-	/**
-	 * @param string $file
-	 * @param string|false $webroot
+	 * @param string $root path to check
+	 * @param string $file the filename
+	 * @param string|null $webroot base for path, default map $root to $webroot
 	 */
 	protected function appendIfExist($root, $file, $webroot = null) {
 		if (is_file($root.'/'.$file)) {
diff --git a/lib/private/templatelayout.php b/lib/private/templatelayout.php
index b7ac02a753..0672ffc4a3 100644
--- a/lib/private/templatelayout.php
+++ b/lib/private/templatelayout.php
@@ -98,7 +98,7 @@ class OC_TemplateLayout extends OC_Template {
 	}
 
 	/**
-	 * @param $styles
+	 * @param array $styles
 	 * @return array
 	 */
 	static public function findStylesheetFiles($styles) {
@@ -116,7 +116,7 @@ class OC_TemplateLayout extends OC_Template {
 	}
 
 	/**
-	 * @param $scripts
+	 * @param array $scripts
 	 * @return array
 	 */
 	static public function findJavascriptFiles($scripts) {
@@ -175,7 +175,7 @@ class OC_TemplateLayout extends OC_Template {
 	}
 
 	/**
-	 * @param $files
+	 * @param array $files
 	 * @return string
 	 */
 	private static function hashScriptNames($files)
diff --git a/lib/private/updater.php b/lib/private/updater.php
index 7b09f58017..d8694ac6ed 100644
--- a/lib/private/updater.php
+++ b/lib/private/updater.php
@@ -35,7 +35,7 @@ class Updater extends BasicEmitter {
 	/**
 	 * Check if a new version is available
 	 * @param string $updaterUrl the url to check, i.e. 'http://apps.owncloud.com/updater.php'
-	 * @return array | bool
+	 * @return array|bool
 	 */
 	public function check($updaterUrl) {
 
diff --git a/lib/private/urlgenerator.php b/lib/private/urlgenerator.php
index a56b0fe337..b37ef89d40 100644
--- a/lib/private/urlgenerator.php
+++ b/lib/private/urlgenerator.php
@@ -30,7 +30,7 @@ class URLGenerator implements IURLGenerator {
 
 	/**
 	 * @brief Creates an url using a defined route
-	 * @param $route
+	 * @param string $route
 	 * @param array $parameters
 	 * @internal param array $args with param=>value, will be appended to the returned url
 	 * @return string the url
diff --git a/lib/private/user.php b/lib/private/user.php
index 7106d664ac..90aac88cdc 100644
--- a/lib/private/user.php
+++ b/lib/private/user.php
@@ -77,7 +77,7 @@ class OC_User {
 	/**
 	 * @brief gets available backends
 	 * @deprecated
-	 * @returns array of backends
+	 * @return array an array of backends
 	 *
 	 * Returns the names of all backends.
 	 */
@@ -88,7 +88,7 @@ class OC_User {
 	/**
 	 * @brief gets used backends
 	 * @deprecated
-	 * @returns array of backends
+	 * @return array an array of backends
 	 *
 	 * Returns the names of all used backends.
 	 */
@@ -98,7 +98,7 @@ class OC_User {
 
 	/**
 	 * @brief Adds the backend to the list of used backends
-	 * @param string | OC_User_Backend $backend default: database The backend to use for user management
+	 * @param string|OC_User_Interface $backend default: database The backend to use for user management
 	 * @return bool
 	 *
 	 * Set the User Authentication Module
@@ -321,7 +321,7 @@ class OC_User {
 
 	/**
 	 * @brief Check if the user is logged in
-	 * @returns bool
+	 * @return bool
 	 *
 	 * Checks if the user is logged in
 	 */
@@ -517,7 +517,7 @@ class OC_User {
 
 	/**
 	 * @brief Get a list of all users
-	 * @returns array with all uids
+	 * @return array an array of all uids
 	 *
 	 * Get a list of all users.
 	 * @param string $search
diff --git a/lib/private/user/backend.php b/lib/private/user/backend.php
index f4e5618e04..8d2f0e935d 100644
--- a/lib/private/user/backend.php
+++ b/lib/private/user/backend.php
@@ -103,7 +103,7 @@ abstract class OC_User_Backend implements OC_User_Interface {
 
 	/**
 	* @brief Get a list of all users
-	* @returns array with all uids
+	* @return array an array of all uids
 	*
 	* Get a list of all users.
 	*/
@@ -140,7 +140,7 @@ abstract class OC_User_Backend implements OC_User_Interface {
 
 	/**
 	 * @brief Get a list of all display names
-	 * @returns array with  all displayNames (value) and the corresponding uids (key)
+	 * @return array an array of  all displayNames (value) and the corresponding uids (key)
 	 *
 	 * Get a list of all display names and user ids.
 	 */
diff --git a/lib/private/user/database.php b/lib/private/user/database.php
index dec38464f9..747895a8a9 100644
--- a/lib/private/user/database.php
+++ b/lib/private/user/database.php
@@ -57,9 +57,9 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Create a new user
-	 * @param $uid The username of the user to create
-	 * @param $password The password of the new user
-	 * @returns true/false
+	 * @param string $uid The username of the user to create
+	 * @param string $password The password of the new user
+	 * @return bool
 	 *
 	 * Creates a new user. Basic checking of username is done in OC_User
 	 * itself, not in its subclasses.
@@ -79,8 +79,8 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief delete a user
-	 * @param $uid The username of the user to delete
-	 * @returns true/false
+	 * @param string $uid The username of the user to delete
+	 * @return bool
 	 *
 	 * Deletes a user
 	 */
@@ -98,9 +98,9 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Set password
-	 * @param $uid The username
-	 * @param $password The new password
-	 * @returns true/false
+	 * @param string $uid The username
+	 * @param string $password The new password
+	 * @return bool
 	 *
 	 * Change the password of a user
 	 */
@@ -119,9 +119,9 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Set display name
-	 * @param $uid The username
-	 * @param $displayName The new display name
-	 * @returns true/false
+	 * @param string $uid The username
+	 * @param string $displayName The new display name
+	 * @return bool
 	 *
 	 * Change the display name of a user
 	 */
@@ -139,7 +139,7 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief get display name of the user
-	 * @param $uid user ID of the user
+	 * @param string $uid user ID of the user
 	 * @return string display name
 	 */
 	public function getDisplayName($uid) {
@@ -149,7 +149,7 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Get a list of all display names
-	 * @returns array with  all displayNames (value) and the correspondig uids (key)
+	 * @return array an array of  all displayNames (value) and the correspondig uids (key)
 	 *
 	 * Get a list of all display names and user ids.
 	 */
@@ -169,9 +169,9 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Check if the password is correct
-	 * @param $uid The username
-	 * @param $password The password
-	 * @returns string
+	 * @param string $uid The username
+	 * @param string $password The password
+	 * @return string
 	 *
 	 * Check if the password is correct without logging in the user
 	 * returns the user id or false
@@ -203,7 +203,7 @@ class OC_User_Database extends OC_User_Backend {
 	/**
 	 * @brief Load an user in the cache
 	 * @param string $uid the username
-	 * @returns boolean
+	 * @return boolean
 	 */
 	private function loadUser($uid) {
 		if (empty($this->cache[$uid])) {
@@ -226,7 +226,7 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Get a list of all users
-	 * @returns array with all uids
+	 * @return array an array of all uids
 	 *
 	 * Get a list of all users.
 	 */
@@ -273,7 +273,7 @@ class OC_User_Database extends OC_User_Backend {
 	/**
 	 * counts the users in the database
 	 *
-	 * @return int | bool
+	 * @return int|bool
 	 */
 	public function countUsers() {
 		$query = OC_DB::prepare('SELECT COUNT(*) FROM `*PREFIX*users`');
diff --git a/lib/private/user/dummy.php b/lib/private/user/dummy.php
index 2fb51d02de..d2ada37c80 100644
--- a/lib/private/user/dummy.php
+++ b/lib/private/user/dummy.php
@@ -127,7 +127,7 @@ class OC_User_Dummy extends OC_User_Backend {
 	/**
 	 * counts the users in the database
 	 *
-	 * @return int | bool
+	 * @return int|bool
 	 */
 	public function countUsers() {
 		return 0;
diff --git a/lib/private/user/example.php b/lib/private/user/example.php
index b2d0dc2541..4bf3652330 100644
--- a/lib/private/user/example.php
+++ b/lib/private/user/example.php
@@ -28,9 +28,9 @@
 abstract class OC_User_Example extends OC_User_Backend {
 	/**
 		* @brief Create a new user
-		* @param $uid The username of the user to create
-		* @param $password The password of the new user
-		* @returns true/false
+		* @param string $uid The username of the user to create
+		* @param string $password The password of the new user
+		* @return bool
 		*
 		* Creates a new user. Basic checking of username is done in OC_User
 		* itself, not in its subclasses.
@@ -39,9 +39,9 @@ abstract class OC_User_Example extends OC_User_Backend {
 
 	/**
 		* @brief Set password
-		* @param $uid The username
-		* @param $password The new password
-		* @returns true/false
+		* @param string $uid The username
+		* @param string $password The new password
+		* @return bool
 		*
 		* Change the password of a user
 		*/
@@ -49,9 +49,9 @@ abstract class OC_User_Example extends OC_User_Backend {
 
 	/**
 		* @brief Check if the password is correct
-		* @param $uid The username
-		* @param $password The password
-		* @returns string
+		* @param string $uid The username
+		* @param string $password The password
+		* @return string
 		*
 		* Check if the password is correct without logging in the user
 		* returns the user id or false
@@ -60,8 +60,8 @@ abstract class OC_User_Example extends OC_User_Backend {
 
 	/**
 		* @brief get the user's home directory
-		* @param $uid The username
-		* @returns string
+		* @param string $uid The username
+		* @return string
 		*
 		* get the user's home directory
 		* returns the path or false
diff --git a/lib/private/user/http.php b/lib/private/user/http.php
index a039452101..67f7156b49 100644
--- a/lib/private/user/http.php
+++ b/lib/private/user/http.php
@@ -27,7 +27,7 @@
 class OC_User_HTTP extends OC_User_Backend {
 	/**
 	 * split http://user@host/path into a user and url part
-	 * @param string path
+	 * @param string $url
 	 * @return array
 	 */
 	private function parseUrl($url) {
@@ -46,7 +46,7 @@ class OC_User_HTTP extends OC_User_Backend {
 
 	/**
 	 * check if an url is a valid login
-	 * @param string url
+	 * @param string $url
 	 * @return boolean
 	 */
 	private function matchUrl($url) {
@@ -55,9 +55,9 @@ class OC_User_HTTP extends OC_User_Backend {
 
 	/**
 	 * @brief Check if the password is correct
-	 * @param $uid The username
-	 * @param $password The password
-	 * @returns string
+	 * @param string $uid The username
+	 * @param string $password The password
+	 * @return string
 	 *
 	 * Check if the password is correct without logging in the user
 	 * returns the user id or false
diff --git a/lib/private/user/interface.php b/lib/private/user/interface.php
index cdcab3e5d0..e130e5b569 100644
--- a/lib/private/user/interface.php
+++ b/lib/private/user/interface.php
@@ -26,27 +26,23 @@ interface OC_User_Interface {
 	/**
 	* @brief Check if backend implements actions
 	* @param $actions bitwise-or'ed actions
-	* @returns boolean
+	* @return boolean
 	*
 	* Returns the supported actions as int to be
 	* compared with OC_USER_BACKEND_CREATE_USER etc.
-	* @return boolean
 	*/
 	public function implementsActions($actions);
 
 	/**
 	* @brief delete a user
-	* @param $uid The username of the user to delete
-	* @returns true/false
-	*
-	* Deletes a user
-	* @return boolean
+	* @param string $uid The username of the user to delete
+	* @return bool
 	*/
 	public function deleteUser($uid);
 
 	/**
 	* @brief Get a list of all users
-	* @returns array with all uids
+	* @return array an array of all uids
 	*
 	* Get a list of all users.
 	*/
@@ -61,14 +57,14 @@ interface OC_User_Interface {
 
 	/**
 	 * @brief get display name of the user
-	 * @param $uid user ID of the user
-	 * @return display name
+	 * @param string $uid user ID of the user
+	 * @return string display name
 	 */
 	public function getDisplayName($uid);
 
 	/**
 	 * @brief Get a list of all display names
-	 * @returns array with  all displayNames (value) and the corresponding uids (key)
+	 * @return array an array of  all displayNames (value) and the corresponding uids (key)
 	 *
 	 * Get a list of all display names and user ids.
 	 */
diff --git a/lib/private/user/manager.php b/lib/private/user/manager.php
index 6f6fd80a8e..0fcf1ceb6a 100644
--- a/lib/private/user/manager.php
+++ b/lib/private/user/manager.php
@@ -26,7 +26,7 @@ use OC\Hooks\PublicEmitter;
  */
 class Manager extends PublicEmitter {
 	/**
-	 * @var \OC_User_Backend[] $backends
+	 * @var \OC_User_Interface[] $backends
 	 */
 	private $backends = array();
 
@@ -57,7 +57,7 @@ class Manager extends PublicEmitter {
 	/**
 	 * register a user backend
 	 *
-	 * @param \OC_User_Backend $backend
+	 * @param \OC_User_Interface $backend
 	 */
 	public function registerBackend($backend) {
 		$this->backends[] = $backend;
@@ -66,7 +66,7 @@ class Manager extends PublicEmitter {
 	/**
 	 * remove a user backend
 	 *
-	 * @param \OC_User_Backend $backend
+	 * @param \OC_User_Interface $backend
 	 */
 	public function removeBackend($backend) {
 		$this->cachedUsers = array();
@@ -105,7 +105,7 @@ class Manager extends PublicEmitter {
 	 * get or construct the user object
 	 *
 	 * @param string $uid
-	 * @param \OC_User_Backend $backend
+	 * @param \OC_User_Interface $backend
 	 * @return \OC\User\User
 	 */
 	protected function getUserObject($uid, $backend) {
@@ -222,7 +222,7 @@ class Manager extends PublicEmitter {
 	 * @param string $uid
 	 * @param string $password
 	 * @throws \Exception
-	 * @return bool | \OC\User\User the created user of false
+	 * @return bool|\OC\User\User the created user of false
 	 */
 	public function createUser($uid, $password) {
 		$l = \OC_L10N::get('lib');
@@ -261,7 +261,7 @@ class Manager extends PublicEmitter {
 	/**
 	 * returns how many users per backend exist (if supported by backend)
 	 *
-	 * @return array with backend class as key and count number as value
+	 * @return array an array of backend class as key and count number as value
 	 */
 	public function countUsers() {
 		$userCountStatistics = array();
diff --git a/lib/private/user/session.php b/lib/private/user/session.php
index 1740bad5ab..3d10b134b8 100644
--- a/lib/private/user/session.php
+++ b/lib/private/user/session.php
@@ -82,7 +82,7 @@ class Session implements Emitter, \OCP\IUserSession {
 	/**
 	 * set the currently active user
 	 *
-	 * @param \OC\User\User $user
+	 * @param \OC\User\User|null $user
 	 */
 	public function setUser($user) {
 		if (is_null($user)) {
@@ -115,7 +115,7 @@ class Session implements Emitter, \OCP\IUserSession {
 	/**
 	 * set the login name
 	 *
-	 * @param string $loginName for the logged in user
+	 * @param string|null $loginName for the logged in user
 	 */
 	public function setLoginName($loginName) {
 		if (is_null($loginName)) {
@@ -191,7 +191,7 @@ class Session implements Emitter, \OCP\IUserSession {
 		$expires = time() + \OC_Config::getValue('remember_login_cookie_lifetime', 60 * 60 * 24 * 15);
 		setcookie("oc_username", $username, $expires, \OC::$WEBROOT, '', $secure_cookie);
 		setcookie("oc_token", $token, $expires, \OC::$WEBROOT, '', $secure_cookie, true);
-		setcookie("oc_remember_login", true, $expires, \OC::$WEBROOT, '', $secure_cookie);
+		setcookie("oc_remember_login", "1", $expires, \OC::$WEBROOT, '', $secure_cookie);
 	}
 
 	/**
diff --git a/lib/private/user/user.php b/lib/private/user/user.php
index ef5364cbf7..229cbf68ff 100644
--- a/lib/private/user/user.php
+++ b/lib/private/user/user.php
@@ -23,7 +23,7 @@ class User {
 	private $displayName;
 
 	/**
-	 * @var \OC_User_Backend $backend
+	 * @var \OC_User_Interface $backend
 	 */
 	private $backend;
 
@@ -33,7 +33,7 @@ class User {
 	private $enabled;
 
 	/**
-	 * @var Emitter | Manager $emitter
+	 * @var Emitter|Manager $emitter
 	 */
 	private $emitter;
 
@@ -49,7 +49,7 @@ class User {
 
 	/**
 	 * @param string $uid
-	 * @param \OC_User_Backend $backend
+	 * @param \OC_User_Interface $backend
 	 * @param \OC\Hooks\Emitter $emitter
 	 * @param \OC\AllConfig $config
 	 */
diff --git a/lib/private/util.php b/lib/private/util.php
index 96d80beb4d..f76ee7b338 100755
--- a/lib/private/util.php
+++ b/lib/private/util.php
@@ -818,8 +818,8 @@ class OC_Util {
 	 * This function is used to sanitize HTML and should be applied on any
 	 * string or array of strings before displaying it on a web page.
 	 *
-	 * @param string|array of strings
-	 * @return array with sanitized strings or a single sanitized string, depends on the input parameter.
+	 * @param string|array &$value
+	 * @return string|array an array of sanitized strings or a single sanitized string, depends on the input parameter.
 	 */
 	public static function sanitizeHTML( &$value ) {
 		if (is_array($value)) {
@@ -1028,8 +1028,8 @@ class OC_Util {
 
 	/**
 	 * @brief Generates a cryptographic secure pseudo-random string
-	 * @param Int $length of the random string
-	 * @return String
+	 * @param int $length of the random string
+	 * @return string
 	 * Please also update secureRNGAvailable if you change something here
 	 */
 	public static function generateRandomBytes($length = 30) {
@@ -1113,7 +1113,7 @@ class OC_Util {
 				curl_setopt($curl, CURLOPT_PROXYUSERPWD, OC_Config::getValue('proxyuserpwd'));
 			}
 
-			if (ini_get('open_basedir') === '' && ini_get('safe_mode' === 'Off')) {
+			if (ini_get('open_basedir') === '' && ini_get('safe_mode') === 'Off') {
 				curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
 				curl_setopt($curl, CURLOPT_MAXREDIRS, $max_redirects);
 				$data = curl_exec($curl);
@@ -1287,7 +1287,7 @@ class OC_Util {
 
 	/**
 	 * Returns whether the given file name is valid
-	 * @param $file string file name to check
+	 * @param string $file file name to check
 	 * @return bool true if the file name is valid, false otherwise
 	 */
 	public static function isValidFileName($file) {
diff --git a/lib/private/vobject.php b/lib/private/vobject.php
index a3e9f7ef79..e472429b23 100644
--- a/lib/private/vobject.php
+++ b/lib/private/vobject.php
@@ -25,28 +25,28 @@
  */
 class OC_VObject{
 	/** @var Sabre\VObject\Component */
-	protected $vobject;
+	protected $vObject;
 
 	/**
-	 * @returns Sabre\VObject\Component
+	 * @return Sabre\VObject\Component
 	 */
 	public function getVObject() {
-		return $this->vobject;
+		return $this->vObject;
 	}
 
 	/**
 	 * @brief Parses the VObject
 	 * @param string $data VObject as string
-	 * @returns Sabre\VObject\Reader|null
+	 * @return Sabre\VObject\Reader|null
 	 */
 	public static function parse($data) {
 		try {
 			Sabre\VObject\Property::$classMap['LAST-MODIFIED'] = 'Sabre\VObject\Property\DateTime';
-			$vobject = Sabre\VObject\Reader::read($data);
-			if ($vobject instanceof Sabre\VObject\Component) {
-				$vobject = new OC_VObject($vobject);
+			$vObject = Sabre\VObject\Reader::read($data);
+			if ($vObject instanceof Sabre\VObject\Component) {
+				$vObject = new OC_VObject($vObject);
 			}
-			return $vobject;
+			return $vObject;
 		} catch (Exception $e) {
 			OC_Log::write('vobject', $e->getMessage(), OC_Log::ERROR);
 			return null;
@@ -89,26 +89,26 @@ class OC_VObject{
 
 	/**
 	 * Constructor
-	 * @param Sabre\VObject\Component or string
+	 * @param Sabre\VObject\Component|string $vobject_or_name
 	 */
 	public function __construct($vobject_or_name) {
 		if (is_object($vobject_or_name)) {
-			$this->vobject = $vobject_or_name;
+			$this->vObject = $vobject_or_name;
 		} else {
-			$this->vobject = new Sabre\VObject\Component($vobject_or_name);
+			$this->vObject = new Sabre\VObject\Component($vobject_or_name);
 		}
 	}
 
 	/**
 	 * @todo Write documentation
-	 * @param $item
+	 * @param \OC_VObject|\Sabre\VObject\Component $item
 	 * @param null $itemValue
 	 */
 	public function add($item, $itemValue = null) {
 		if ($item instanceof OC_VObject) {
 			$item = $item->getVObject();
 		}
-		$this->vobject->add($item, $itemValue);
+		$this->vObject->add($item, $itemValue);
 	}
 
 	/**
@@ -116,7 +116,7 @@ class OC_VObject{
 	 * @param object $name of property
 	 * @param object $value of property
 	 * @param array|object $parameters of property
-	 * @returns Sabre\VObject\Property newly created
+	 * @return Sabre\VObject\Property newly created
 	 */
 	public function addProperty($name, $value, $parameters=array()) {
 		if(is_array($value)) {
@@ -127,26 +127,26 @@ class OC_VObject{
 			$property->parameters[] = new Sabre\VObject\Parameter($name, $value);
 		}
 
-		$this->vobject->add($property);
+		$this->vObject->add($property);
 		return $property;
 	}
 
 	public function setUID() {
 		$uid = substr(md5(rand().time()), 0, 10);
-		$this->vobject->add('UID', $uid);
+		$this->vObject->add('UID', $uid);
 	}
 
 	/**
 	 * @todo Write documentation
-	 * @param mixed  $name
+	 * @param mixed $name
 	 * @param string $string
 	 */
 	public function setString($name, $string) {
 		if ($string != '') {
 			$string = strtr($string, array("\r\n"=>"\n"));
-			$this->vobject->__set($name, $string);
+			$this->vObject->__set($name, $string);
 		}else{
-			$this->vobject->__unset($name);
+			$this->vObject->__unset($name);
 		}
 	}
 
@@ -167,31 +167,31 @@ class OC_VObject{
 		if ($datetime instanceof DateTime) {
 			$datetime_element = new Sabre\VObject\Property\DateTime($name);
 			$datetime_element->setDateTime($datetime, $dateType);
-			$this->vobject->__set($name, $datetime_element);
+			$this->vObject->__set($name, $datetime_element);
 		}else{
-			$this->vobject->__unset($name);
+			$this->vObject->__unset($name);
 		}
 	}
 
 	/**
 	 * @todo Write documentation
-	 * @param $name
+	 * @param string $name
 	 * @return string
 	 */
 	public function getAsString($name) {
-		return $this->vobject->__isset($name) ?
-			$this->vobject->__get($name)->value :
+		return $this->vObject->__isset($name) ?
+			$this->vObject->__get($name)->value :
 			'';
 	}
 
 	/**
 	 * @todo Write documentation
-	 * @param $name
+	 * @param string $name
 	 * @return array
 	 */
 	public function getAsArray($name) {
 		$values = array();
-		if ($this->vobject->__isset($name)) {
+		if ($this->vObject->__isset($name)) {
 			$values = explode(',', $this->getAsString($name));
 			$values = array_map('trim', $values);
 		}
@@ -200,14 +200,14 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param $name
+	 * @param string $name
 	 * @return array|OC_VObject|\Sabre\VObject\Property
 	 */
 	public function &__get($name) {
 		if ($name == 'children') {
-			return $this->vobject->children;
+			return $this->vObject->children;
 		}
-		$return = $this->vobject->__get($name);
+		$return = $this->vObject->__get($name);
 		if ($return instanceof Sabre\VObject\Component) {
 			$return = new OC_VObject($return);
 		}
@@ -220,7 +220,7 @@ class OC_VObject{
 	 * @param string $value
 	 */
 	public function __set($name, $value) {
-		return $this->vobject->__set($name, $value);
+		return $this->vObject->__set($name, $value);
 	}
 
 	/**
@@ -228,7 +228,7 @@ class OC_VObject{
 	 * @param string $name
 	 */
 	public function __unset($name) {
-		return $this->vobject->__unset($name);
+		return $this->vObject->__unset($name);
 	}
 
 	/**
@@ -237,16 +237,16 @@ class OC_VObject{
 	 * @return bool
 	 */
 	public function __isset($name) {
-		return $this->vobject->__isset($name);
+		return $this->vObject->__isset($name);
 	}
 
 	/**
 	 * @todo Write documentation
-	 * @param $function
-	 * @param $arguments
+	 * @param callable $function
+	 * @param array $arguments
 	 * @return mixed
 	 */
 	public function __call($function, $arguments) {
-		return call_user_func_array(array($this->vobject, $function), $arguments);
+		return call_user_func_array(array($this->vObject, $function), $arguments);
 	}
 }
diff --git a/lib/public/app.php b/lib/public/app.php
index 96162299ec..bef4e96ae0 100644
--- a/lib/public/app.php
+++ b/lib/public/app.php
@@ -36,7 +36,7 @@ namespace OCP;
 class App {
 	/**
 	 * Makes ownCloud aware of this app
-	 * @param array with all information
+	 * @param array $data with all information
 	 * @return boolean
 	 *
 	 * @deprecated This method is deprecated. Do not call it anymore.
@@ -49,7 +49,7 @@ class App {
 
 	/**
 	 * Adds an entry to the navigation
-	 * @param array containing the data
+	 * @param array $data containing the data
 	 * @return boolean
 	 *
 	 * This function adds a new entry to the navigation visible to users. $data
@@ -70,7 +70,7 @@ class App {
 
 	/**
 	 * Marks a navigation entry as active
-	 * @param string id of the entry
+	 * @param string $id id of the entry
 	 * @return boolean
 	 *
 	 * This function sets a navigation entry as active and removes the 'active'
@@ -83,8 +83,8 @@ class App {
 
 	/**
 	 * Register a Configuration Screen that should appear in the personal settings section.
-	 * @param $app string appid
-	 * @param $page string page to be included
+	 * @param string $app appid
+	 * @param string $page page to be included
 	 * @return void
 	*/
 	public static function registerPersonal( $app, $page ) {
diff --git a/lib/public/backgroundjob.php b/lib/public/backgroundjob.php
index 03b94403b4..562228e1e5 100644
--- a/lib/public/backgroundjob.php
+++ b/lib/public/backgroundjob.php
@@ -94,7 +94,7 @@ class BackgroundJob {
 	/**
 	 * @deprecated
 	 * gets all regular tasks
-	 * @return associative array
+	 * @return array
 	 *
 	 * key is string "$klass-$method", value is array( $klass, $method )
 	 */
@@ -115,7 +115,7 @@ class BackgroundJob {
 	 * @deprecated
 	 * Gets one queued task
 	 * @param int $id ID of the task
-	 * @return BackgroundJob\IJob array
+	 * @return BackgroundJob\IJob|null
 	 */
 	public static function findQueuedTask($id) {
 		$jobList = \OC::$server->getJobList();
@@ -125,7 +125,7 @@ class BackgroundJob {
 	/**
 	 * @deprecated
 	 * Gets all queued tasks
-	 * @return array with associative arrays
+	 * @return array an array of associative arrays
 	 */
 	public static function allQueuedTasks() {
 		$jobList = \OC::$server->getJobList();
@@ -145,7 +145,7 @@ class BackgroundJob {
 	 * @deprecated
 	 * Gets all queued tasks of a specific app
 	 * @param string $app app name
-	 * @return array with associative arrays
+	 * @return array an array of associative arrays
 	 */
 	public static function queuedTaskWhereAppIs($app) {
 		$jobList = \OC::$server->getJobList();
diff --git a/lib/public/backgroundjob/ijoblist.php b/lib/public/backgroundjob/ijoblist.php
index c9b546605b..366b0e3736 100644
--- a/lib/public/backgroundjob/ijoblist.php
+++ b/lib/public/backgroundjob/ijoblist.php
@@ -12,7 +12,7 @@ interface IJobList {
 	/**
 	 * Add a job to the list
 	 *
-	 * @param \OCP\BackgroundJob\IJob |string $job
+	 * @param \OCP\BackgroundJob\IJob|string $job
 	 * @param mixed $argument The argument to be passed to $job->run() when the job is exectured
 	 * @param string $job
 	 * @return void
@@ -22,7 +22,7 @@ interface IJobList {
 	/**
 	 * Remove a job from the list
 	 *
-	 * @param IJob $job
+	 * @param \OCP\BackgroundJob\IJob|string $job
 	 * @param mixed $argument
 	 * @return void
 	 */
@@ -31,7 +31,7 @@ interface IJobList {
 	/**
 	 * check if a job is in the list
 	 *
-	 * @param $job
+	 * @param \OCP\BackgroundJob\IJob|string $job
 	 * @param mixed $argument
 	 * @return bool
 	 */
diff --git a/lib/public/contacts.php b/lib/public/contacts.php
index 1b61d7aa4f..fb88c13bd1 100644
--- a/lib/public/contacts.php
+++ b/lib/public/contacts.php
@@ -87,7 +87,7 @@ namespace OCP {
 		 * @param string $pattern which should match within the $searchProperties
 		 * @param array $searchProperties defines the properties within the query pattern should match
 		 * @param array $options - for future use. One should always have options!
-		 * @return array of contacts which are arrays of key-value-pairs
+		 * @return array an array of contacts which are arrays of key-value-pairs
 		 */
 		public static function search($pattern, $searchProperties = array(), $options = array()) {
 			$cm = \OC::$server->getContactsManager();
@@ -98,7 +98,7 @@ namespace OCP {
 		 * This function can be used to delete the contact identified by the given id
 		 *
 		 * @param object $id the unique identifier to a contact
-		 * @param $address_book_key
+		 * @param string $address_book_key
 		 * @return bool successful or not
 		 */
 		public static function delete($id, $address_book_key) {
@@ -111,12 +111,12 @@ namespace OCP {
 		 * Otherwise the contact will be updated by replacing the entire data set.
 		 *
 		 * @param array $properties this array if key-value-pairs defines a contact
-		 * @param $address_book_key string to identify the address book in which the contact shall be created or updated
-		 * @return array representing the contact just created or updated
+		 * @param string $address_book_key identifier of the address book in which the contact shall be created or updated
+		 * @return array an array representing the contact just created or updated
 		 */
 		public static function createOrUpdate($properties, $address_book_key) {
 			$cm = \OC::$server->getContactsManager();
-			return $cm->search($properties, $address_book_key);
+			return $cm->createOrUpdate($properties, $address_book_key);
 		}
 
 		/**
diff --git a/lib/public/contacts/imanager.php b/lib/public/contacts/imanager.php
index 005b71f298..3255922009 100644
--- a/lib/public/contacts/imanager.php
+++ b/lib/public/contacts/imanager.php
@@ -88,7 +88,7 @@ namespace OCP\Contacts {
 		 * @param string $pattern which should match within the $searchProperties
 		 * @param array $searchProperties defines the properties within the query pattern should match
 		 * @param array $options - for future use. One should always have options!
-		 * @return array of contacts which are arrays of key-value-pairs
+		 * @return array an array of contacts which are arrays of key-value-pairs
 		 */
 		function search($pattern, $searchProperties = array(), $options = array());
 
@@ -107,7 +107,7 @@ namespace OCP\Contacts {
 		 *
 		 * @param array $properties this array if key-value-pairs defines a contact
 		 * @param string $address_book_key identifier of the address book in which the contact shall be created or updated
-		 * @return array representing the contact just created or updated
+		 * @return array an array representing the contact just created or updated
 		 */
 		function createOrUpdate($properties, $address_book_key);
 
diff --git a/lib/public/db.php b/lib/public/db.php
index cb876b4d1f..ba3a4724ce 100644
--- a/lib/public/db.php
+++ b/lib/public/db.php
@@ -50,7 +50,7 @@ class DB {
 	/**
 	 * Insert a row if a matching row doesn't exists.
 	 * @param string $table The optional table name (will replace *PREFIX*) and add sequence suffix
-	 * @param $input array
+	 * @param array $input
 	 *
 	 * The input array if in the form:
 	 *
diff --git a/lib/public/files/fileinfo.php b/lib/public/files/fileinfo.php
index 37162e0933..bf0c31918c 100644
--- a/lib/public/files/fileinfo.php
+++ b/lib/public/files/fileinfo.php
@@ -104,7 +104,7 @@ interface FileInfo {
 	/**
 	 * Check whether this is a file or a folder
 	 *
-	 * @return \OCP\Files\FileInfo::TYPE_FILE | \OCP\Files\FileInfo::TYPE_FOLDER
+	 * @return \OCP\Files\FileInfo::TYPE_FILE|\OCP\Files\FileInfo::TYPE_FOLDER
 	 */
 	public function getType();
 
diff --git a/lib/public/iaddressbook.php b/lib/public/iaddressbook.php
index dcfe08012e..70309e8c57 100644
--- a/lib/public/iaddressbook.php
+++ b/lib/public/iaddressbook.php
@@ -45,7 +45,7 @@ namespace OCP {
 		 * @param string $pattern which should match within the $searchProperties
 		 * @param array $searchProperties defines the properties within the query pattern should match
 		 * @param array $options - for future use. One should always have options!
-		 * @return array of contacts which are arrays of key-value-pairs
+		 * @return array an array of contacts which are arrays of key-value-pairs
 		 */
 		public function search($pattern, $searchProperties, $options);
 		//	// dummy results
@@ -56,7 +56,7 @@ namespace OCP {
 
 		/**
 		 * @param array $properties this array if key-value-pairs defines a contact
-		 * @return array representing the contact just created or updated
+		 * @return array an array representing the contact just created or updated
 		 */
 		public function createOrUpdate($properties);
 		//	// dummy
diff --git a/lib/public/iappconfig.php b/lib/public/iappconfig.php
index 2b014df2e4..16c0752f07 100644
--- a/lib/public/iappconfig.php
+++ b/lib/public/iappconfig.php
@@ -45,7 +45,7 @@ interface IAppConfig {
 	/**
 	 * @brief Get the available keys for an app
 	 * @param string $app the app we are looking for
-	 * @return array with key names
+	 * @return array an array of key names
 	 *
 	 * This function gets all keys of an app. Please note that the values are
 	 * not returned.
@@ -74,7 +74,7 @@ interface IAppConfig {
 
 	/**
 	 * @brief Get all apps using the config
-	 * @return array with app ids
+	 * @return array an array of app ids
 	 *
 	 * This function returns a list of all apps that have at least one
 	 * entry in the appconfig table.
diff --git a/lib/public/iavatar.php b/lib/public/iavatar.php
index 43fa32556d..fc7e8e79fe 100644
--- a/lib/public/iavatar.php
+++ b/lib/public/iavatar.php
@@ -15,7 +15,7 @@ interface IAvatar {
 
 	/**
 	 * @brief get the users avatar
-	 * @param $size integer size in px of the avatar, avatars are square, defaults to 64
+	 * @param int $size size in px of the avatar, avatars are square, defaults to 64
 	 * @return boolean|\OC_Image containing the avatar or false if there's no image
 	 */
 	function get($size = 64);
diff --git a/lib/public/iavatarmanager.php b/lib/public/iavatarmanager.php
index 9b185ae046..b09b456a0d 100644
--- a/lib/public/iavatarmanager.php
+++ b/lib/public/iavatarmanager.php
@@ -16,7 +16,7 @@ interface IAvatarManager {
 	/**
 	 * @brief return a user specific instance of \OCP\IAvatar
 	 * @see \OCP\IAvatar
-	 * @param $user string the ownCloud user id
+	 * @param string $user the ownCloud user id
 	 * @return \OCP\IAvatar
 	 */
 	function getAvatar($user);
diff --git a/lib/public/idbconnection.php b/lib/public/idbconnection.php
index 656b5e7e5b..3e6624e07e 100644
--- a/lib/public/idbconnection.php
+++ b/lib/public/idbconnection.php
@@ -52,8 +52,8 @@ interface IDBConnection {
 
 	/**
 	 * Insert a row if a matching row doesn't exists.
-	 * @param string The table name (will replace *PREFIX*) to perform the replace on.
-	 * @param array
+	 * @param string $table The table name (will replace *PREFIX*) to perform the replace on.
+	 * @param array $input
 	 *
 	 * The input array if in the form:
 	 *
diff --git a/lib/public/il10n.php b/lib/public/il10n.php
index 1388274c21..c228be6a0a 100644
--- a/lib/public/il10n.php
+++ b/lib/public/il10n.php
@@ -53,7 +53,7 @@ interface IL10N {
 	 * Localization
 	 * @param string $type Type of localization
 	 * @param array $data parameters for this localization
-	 * @return String or false
+	 * @return string|false
 	 *
 	 * Returns the localized data.
 	 *
diff --git a/lib/public/itags.php b/lib/public/itags.php
index f8ebaa668f..1cba07e9b5 100644
--- a/lib/public/itags.php
+++ b/lib/public/itags.php
@@ -62,7 +62,7 @@ interface ITags {
 	* 	['id' => 1, 'name' = 'Second tag'],
 	* ]
 	*
-	* @returns array
+	* @return array
 	*/
 	public function getTags();
 
diff --git a/lib/public/route/iroute.php b/lib/public/route/iroute.php
index d5610e762a..f511e7af72 100644
--- a/lib/public/route/iroute.php
+++ b/lib/public/route/iroute.php
@@ -26,7 +26,7 @@ interface IRoute {
 	 * The action to execute when this route matches, includes a file like
 	 * it is called directly
 	 *
-	 * @param $file
+	 * @param string $file
 	 * @return void
 	 */
 	public function actionInclude($file);
diff --git a/lib/public/share.php b/lib/public/share.php
index b21b3a7b96..33c5069ac5 100644
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -92,13 +92,13 @@ class Share extends \OC\Share\Constants {
 
 	/**
 	 * Get the items of item type shared with a user
-	 * @param string Item type
-	 * @param sting user id for which user we want the shares
-	 * @param int Format (optional) Format type must be defined by the backend
-	 * @param mixed Parameters (optional)
-	 * @param int Number of items to return (optional) Returns all by default
-	 * @param bool include collections (optional)
-	 * @return Return depends on format
+	 * @param string $itemType
+	 * @param string $user for which user we want the shares
+	 * @param int $format (optional) Format type must be defined by the backend
+	 * @param mixed $parameters (optional)
+	 * @param int $limit Number of items to return (optional) Returns all by default
+	 * @param bool $includeCollections (optional)
+	 * @return mixed Return depends on format
 	 */
 	public static function getItemsSharedWithUser($itemType, $user, $format = self::FORMAT_NONE,
 		$parameters = null, $limit = -1, $includeCollections = false) {
@@ -111,8 +111,8 @@ class Share extends \OC\Share\Constants {
 	 * @param string $itemType
 	 * @param string $itemTarget
 	 * @param int $format (optional) Format type must be defined by the backend
-	 * @param mixed Parameters (optional)
-	 * @param bool include collections (optional)
+	 * @param mixed $parameters (optional)
+	 * @param bool $includeCollections (optional)
 	 * @return mixed Return depends on format
 	 */
 	public static function getItemSharedWith($itemType, $itemTarget, $format = self::FORMAT_NONE,
@@ -160,7 +160,7 @@ class Share extends \OC\Share\Constants {
 	/**
 	 * Based on the given token the share information will be returned - password protected shares will be verified
 	 * @param string $token
-	 * @return array | bool false will be returned in case the token is unknown or unauthorized
+	 * @return array|bool false will be returned in case the token is unknown or unauthorized
 	 */
 	public static function getShareByToken($token, $checkPasswordProtection = true) {
 		return \OC\Share\Share::getShareByToken($token, $checkPasswordProtection);
@@ -168,8 +168,8 @@ class Share extends \OC\Share\Constants {
 
 	/**
 	 * resolves reshares down to the last real share
-	 * @param $linkItem
-	 * @return $fileOwner
+	 * @param array $linkItem
+	 * @return array file owner
 	 */
 	public static function resolveReShare($linkItem) {
 		return \OC\Share\Share::resolveReShare($linkItem);
@@ -213,7 +213,7 @@ class Share extends \OC\Share\Constants {
 	 * @param string $uidOwner
 	 * @param bool $includeCollections
 	 * @param bool $checkExpireDate
-	 * @return Return array of users
+	 * @return array Return array of users
 	 */
 	public static function getUsersItemShared($itemType, $itemSource, $uidOwner, $includeCollections = false, $checkExpireDate = true) {
 		return \OC\Share\Share::getUsersItemShared($itemType, $itemSource, $uidOwner, $includeCollections, $checkExpireDate);
diff --git a/lib/public/template.php b/lib/public/template.php
index 6cc984b12d..b1264e0c3a 100644
--- a/lib/public/template.php
+++ b/lib/public/template.php
@@ -33,8 +33,8 @@ namespace OCP;
 
 /**
  * Make OC_Helper::imagePath available as a simple function
- * @param string app
- * @param string image
+ * @param string $app
+ * @param string $image
  * @return string to the image
  *
  * @see OC_Helper::imagePath
@@ -46,7 +46,7 @@ function image_path( $app, $image ) {
 
 /**
  * Make OC_Helper::mimetypeIcon available as a simple function
- * @param string mimetype
+ * @param string $mimetype
  * @return string to the image of this file type.
  */
 function mimetype_icon( $mimetype ) {
@@ -55,7 +55,7 @@ function mimetype_icon( $mimetype ) {
 
 /**
  * Make preview_icon available as a simple function
- * @param string path of file
+ * @param string $path path to file
  * @return string to the preview of the image
  */
 function preview_icon( $path ) {
@@ -76,7 +76,7 @@ function publicPreview_icon ( $path, $token ) {
 /**
  * Make OC_Helper::humanFileSize available as a simple function
  * Example: 2048 to 2 kB.
- * @param int size in bytes
+ * @param int $size in bytes
  * @return string size as string
  */
 function human_file_size( $bytes ) {
@@ -86,8 +86,8 @@ function human_file_size( $bytes ) {
 
 /**
  * Return the relative date in relation to today. Returns something like "last hour" or "two month ago"
- * @param int unix timestamp
- * @param boolean date only
+ * @param int $timestamp unix timestamp
+ * @param boolean $dateOnly
  * @return OC_L10N_String human readable interpretation of the timestamp
  */
 function relative_modified_date( $timestamp, $dateOnly = false ) {
@@ -98,7 +98,7 @@ function relative_modified_date( $timestamp, $dateOnly = false ) {
 /**
  * Return a human readable outout for a file size.
  * @deprecated human_file_size() instead
- * @param integer size of a file in byte
+ * @param integer $bytes size of a file in byte
  * @return string human readable interpretation of a file size
  */
 function simple_file_size($bytes) {
@@ -108,9 +108,9 @@ function simple_file_size($bytes) {
 
 /**
  * Generate html code for an options block.
- * @param $options the options
- * @param $selected which one is selected?
- * @param array the parameters
+ * @param array $options the options
+ * @param mixed $selected which one is selected?
+ * @param array $params the parameters
  * @return string html options
  */
 function html_select_options($options, $selected, $params=array()) {
diff --git a/lib/public/user.php b/lib/public/user.php
index 7bac938b83..925410d37d 100644
--- a/lib/public/user.php
+++ b/lib/public/user.php
@@ -45,10 +45,10 @@ class User {
 
 	/**
 	 * Get a list of all users
-	 * @param string search pattern
-	 * @param integer $limit
-	 * @param integer $offset
-	 * @return array with all uids
+	 * @param string $search search pattern
+	 * @param int|null $limit
+	 * @param int|null $offset
+	 * @return array an array of all uids
 	 */
 	public static function getUsers( $search = '', $limit = null, $offset = null ) {
 		return \OC_User::getUsers( $search, $limit, $offset );
@@ -56,7 +56,7 @@ class User {
 
 	/**
 	 * Get the user display name of the user currently logged in.
-	 * @param string user id or null for current user
+	 * @param string|null $user user id or null for current user
 	 * @return string display name
 	 */
 	public static function getDisplayName( $user = null ) {
@@ -65,10 +65,10 @@ class User {
 
 	/**
 	 * Get a list of all display names and user ids.
-	 * @param string search pattern
-	 * @param int limit
-	 * @param int offset
-	 * @return array with all display names (value) and the correspondig uids (key)
+	 * @param string $search search pattern
+	 * @param int|null $limit
+	 * @param int|null $offset
+	 * @return array an array of all display names (value) and the correspondig uids (key)
 	 */
 	public static function getDisplayNames( $search = '', $limit = null, $offset = null ) {
 		return \OC_User::getDisplayNames( $search, $limit, $offset );
diff --git a/lib/public/util.php b/lib/public/util.php
index 3b0fc09f7e..8aeb03aef8 100644
--- a/lib/public/util.php
+++ b/lib/public/util.php
@@ -203,7 +203,7 @@ class Util {
 
 	/**
 	 * Creates an url using a defined route
-	 * @param $route
+	 * @param string $route
 	 * @param array $parameters
 	 * @internal param array $args with param=>value, will be appended to the returned url
 	 * @return string the url
@@ -293,7 +293,7 @@ class Util {
 
 	/**
 	 * Returns the script name, even if the website uses one or more reverse proxies
-	 * @returns string the script name
+	 * @return string the script name
 	 */
 	public static function getScriptName() {
 		return(\OC_Request::scriptName());
@@ -380,8 +380,8 @@ class Util {
 	 * This function is used to sanitize HTML and should be applied on any
 	 * string or array of strings before displaying it on a web page.
 	 *
-	 * @param string|array of strings
-	 * @return array with sanitized strings or a single sinitized string, depends on the input parameter.
+	 * @param string|array $value
+	 * @return string|array an array of sanitized strings or a single sinitized string, depends on the input parameter.
 	 */
 	public static function sanitizeHTML( $value ) {
 		return(\OC_Util::sanitizeHTML($value));
@@ -458,7 +458,7 @@ class Util {
 	 *
 	 * @param string $dir the current folder where the user currently operates
 	 * @param int $free the number of bytes free on the storage holding $dir, if not set this will be received from the storage directly
-	 * @return number of bytes representing
+	 * @return int number of bytes representing
 	 */
 	public static function maxUploadFilesize($dir, $free = null) {
 		return \OC_Helper::maxUploadFilesize($dir, $free);
@@ -476,7 +476,7 @@ class Util {
 	/**
 	 * Calculate PHP upload limit
 	 *
-	 * @return number of bytes representing
+	 * @return int number of bytes representing
 	 */
 	public static function uploadLimit() {
 		return \OC_Helper::uploadLimit();
@@ -484,7 +484,7 @@ class Util {
 
 	/**
 	 * Returns whether the given file name is valid
-	 * @param $file string file name to check
+	 * @param string $file file name to check
 	 * @return bool true if the file name is valid, false otherwise
 	 */
 	public static function isValidFileName($file) {
@@ -493,8 +493,8 @@ class Util {
 
 	/**
 	 * @brief Generates a cryptographic secure pseudo-random string
-	 * @param Int $length of the random string
-	 * @return String
+	 * @param int $length of the random string
+	 * @return string
 	 */
 	public static function generateRandomBytes($length = 30) {
 		return \OC_Util::generateRandomBytes($length);
diff --git a/tests/lib/group/group.php b/tests/lib/group/group.php
index 990f8ecc1d..4d15999a82 100644
--- a/tests/lib/group/group.php
+++ b/tests/lib/group/group.php
@@ -17,9 +17,10 @@ class Group extends \PHPUnit_Framework_TestCase {
 	 */
 	protected function getUserManager() {
 		$userManager = $this->getMock('\OC\User\Manager');
-		$user1 = new User('user1', null);
-		$user2 = new User('user2', null);
-		$user3 = new User('user3', null);
+		$backend = $this->getMock('\OC_User_Backend');
+		$user1 = new User('user1', $backend);
+		$user2 = new User('user2', $backend);
+		$user3 = new User('user3', $backend);
 		$userManager->expects($this->any())
 			->method('get')
 			->will($this->returnValueMap(array(
@@ -79,6 +80,7 @@ class Group extends \PHPUnit_Framework_TestCase {
 	public function testInGroupSingleBackend() {
 		$backend = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend), $userManager);
 
 		$backend->expects($this->once())
@@ -86,13 +88,14 @@ class Group extends \PHPUnit_Framework_TestCase {
 			->with('user1', 'group1')
 			->will($this->returnValue(true));
 
-		$this->assertTrue($group->inGroup(new User('user1', null)));
+		$this->assertTrue($group->inGroup(new User('user1', $userBackend)));
 	}
 
 	public function testInGroupMultipleBackends() {
 		$backend1 = $this->getMock('OC_Group_Database');
 		$backend2 = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend1, $backend2), $userManager);
 
 		$backend1->expects($this->once())
@@ -105,12 +108,13 @@ class Group extends \PHPUnit_Framework_TestCase {
 			->with('user1', 'group1')
 			->will($this->returnValue(true));
 
-		$this->assertTrue($group->inGroup(new User('user1', null)));
+		$this->assertTrue($group->inGroup(new User('user1', $userBackend)));
 	}
 
 	public function testAddUser() {
 		$backend = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend), $userManager);
 
 		$backend->expects($this->once())
@@ -125,12 +129,13 @@ class Group extends \PHPUnit_Framework_TestCase {
 			->method('addToGroup')
 			->with('user1', 'group1');
 
-		$group->addUser(new User('user1', null));
+		$group->addUser(new User('user1', $userBackend));
 	}
 
 	public function testAddUserAlreadyInGroup() {
 		$backend = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend), $userManager);
 
 		$backend->expects($this->once())
@@ -144,12 +149,13 @@ class Group extends \PHPUnit_Framework_TestCase {
 		$backend->expects($this->never())
 			->method('addToGroup');
 
-		$group->addUser(new User('user1', null));
+		$group->addUser(new User('user1', $userBackend));
 	}
 
 	public function testRemoveUser() {
 		$backend = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend), $userManager);
 
 		$backend->expects($this->once())
@@ -164,12 +170,13 @@ class Group extends \PHPUnit_Framework_TestCase {
 			->method('removeFromGroup')
 			->with('user1', 'group1');
 
-		$group->removeUser(new User('user1', null));
+		$group->removeUser(new User('user1', $userBackend));
 	}
 
 	public function testRemoveUserNotInGroup() {
 		$backend = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend), $userManager);
 
 		$backend->expects($this->once())
@@ -183,13 +190,14 @@ class Group extends \PHPUnit_Framework_TestCase {
 		$backend->expects($this->never())
 			->method('removeFromGroup');
 
-		$group->removeUser(new User('user1', null));
+		$group->removeUser(new User('user1', $userBackend));
 	}
 
 	public function testRemoveUserMultipleBackends() {
 		$backend1 = $this->getMock('OC_Group_Database');
 		$backend2 = $this->getMock('OC_Group_Database');
 		$userManager = $this->getUserManager();
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$group = new \OC\Group\Group('group1', array($backend1, $backend2), $userManager);
 
 		$backend1->expects($this->once())
@@ -216,7 +224,7 @@ class Group extends \PHPUnit_Framework_TestCase {
 			->method('removeFromGroup')
 			->with('user1', 'group1');
 
-		$group->removeUser(new User('user1', null));
+		$group->removeUser(new User('user1', $userBackend));
 	}
 
 	public function testSearchUsers() {
diff --git a/tests/lib/group/manager.php b/tests/lib/group/manager.php
index 9d1f175c10..061c9e7ea3 100644
--- a/tests/lib/group/manager.php
+++ b/tests/lib/group/manager.php
@@ -294,10 +294,11 @@ class Manager extends \PHPUnit_Framework_TestCase {
 		 * @var \OC\User\Manager $userManager
 		 */
 		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$manager = new \OC\Group\Manager($userManager);
 		$manager->addBackend($backend);
 
-		$groups = $manager->getUserGroups(new User('user1', null));
+		$groups = $manager->getUserGroups(new User('user1', $userBackend));
 		$this->assertEquals(1, count($groups));
 		$group1 = $groups[0];
 		$this->assertEquals('group1', $group1->getGID());
@@ -332,11 +333,12 @@ class Manager extends \PHPUnit_Framework_TestCase {
 		 * @var \OC\User\Manager $userManager
 		 */
 		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$manager = new \OC\Group\Manager($userManager);
 		$manager->addBackend($backend1);
 		$manager->addBackend($backend2);
 
-		$groups = $manager->getUserGroups(new User('user1', null));
+		$groups = $manager->getUserGroups(new User('user1', $userBackend));
 		$this->assertEquals(2, count($groups));
 		$group1 = $groups[0];
 		$group2 = $groups[1];
@@ -345,10 +347,12 @@ class Manager extends \PHPUnit_Framework_TestCase {
 	}
 
 	public function testDisplayNamesInGroupMultipleUserBackends() {
-		$user1 = new User('user1', null);
-		$user2 = new User('user2', null);
-		$user3 = new User('user3', null);
-		$user4 = new User('user33', null);
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$user1 = new User('user1', $userBackend);
+		$user2 = new User('user2', $userBackend);
+		$user3 = new User('user3', $userBackend);
+		$user4 = new User('user33', $userBackend);
 
 		/**
 		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC_Group_Backend $backend1
@@ -368,6 +372,7 @@ class Manager extends \PHPUnit_Framework_TestCase {
 		 * @var \OC\User\Manager $userManager
 		 */
 		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
 		$userManager->expects($this->once())
 			->method('search')
 			->with('user3')
@@ -375,12 +380,12 @@ class Manager extends \PHPUnit_Framework_TestCase {
 
 		$userManager->expects($this->any())
 			->method('get')
-			->will($this->returnCallback(function($uid) {
+			->will($this->returnCallback(function($uid) use ($userBackend) {
 				switch($uid) {
-					case 'user1' : return new User('user1', null);
-					case 'user2' : return new User('user2', null);
-					case 'user3' : return new User('user3', null);
-					case 'user33': return new User('user33', null);
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
 					default:
 						return null;
 				}