Fix all PHPDoc types and variable names, in /lib

61 files changed, 198 insertions, 206 deletions

diff --git a/lib/private/appframework/dependencyinjection/dicontainer.php b/lib/private/appframework/dependencyinjection/dicontainer.php
index 97a6569a0f6..ee492b8a9e5 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 d09e1d3ce2e..2b1387af715 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 a3bbde6af53..91ea7778d08 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 cbdb565ba35..21a995d9e50 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 e97f55eecaf..45959798476 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 3ca46868ea6..f462e6ac5fd 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 26c90269349..9fa13c25851 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 feee9cc32b6..4e7c065678e 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/connector/sabre/auth.php b/lib/private/connector/sabre/auth.php
index 5577273df8c..9ebf5fc05cf 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/filesplugin.php b/lib/private/connector/sabre/filesplugin.php
index 65231040fb5..f8495b40524 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 1e73e1645c3..c9b8336b57b 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/db.php b/lib/private/db.php
index 322a13642ae..52bf570d1d0 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 c2cfc21d204..132e76666ab 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 aaf2ea543b9..d98197445e9 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 0923b6cf1a9..597650985fa 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
 	 */
diff --git a/lib/private/defaults.php b/lib/private/defaults.php
index fca798568c5..663c327a3b0 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 88976c1b8e5..2835e974642 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/cache/cache.php b/lib/private/files/cache/cache.php
index 6aab2173da7..3e4f6dfb132 100644
--- a/lib/private/files/cache/cache.php
+++ b/lib/private/files/cache/cache.php
@@ -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 8c2ec057ca7..51454a71458 100644
--- a/lib/private/files/cache/scanner.php
+++ b/lib/private/files/cache/scanner.php
@@ -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/filesystem.php b/lib/private/files/filesystem.php
index a4994e4dfb6..22d15840c32 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) {
diff --git a/lib/private/files/mapper.php b/lib/private/files/mapper.php
index 833d4bd8d1c..666719da12d 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 91460b72730..db1f4600c74 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/node/folder.php b/lib/private/files/node/folder.php
index d9e0ddc2d61..1af34fc2be6 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 8a263d4ce1e..fef33cabd87 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 a878b2c5cf6..c57c797f87a 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/geo.php b/lib/private/geo.php
index cd62511f0c1..a0ad2b799ab 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 5b291d7f2f6..845b3655bab 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) {
diff --git a/lib/private/group/dummy.php b/lib/private/group/dummy.php
index 7a766a6b35d..553aae54291 100644
--- a/lib/private/group/dummy.php
+++ b/lib/private/group/dummy.php
@@ -29,7 +29,7 @@ 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
-	 * @return true/false
+	 * @return bool
 	 *
 	 * Trys to create a new group. If the group name already exists, false will
 	 * be returned.
@@ -45,8 +45,8 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief delete a group
-	 * @param $gid gid of the group to delete
-	 * @return 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
-	 * @return 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
-	 * @return 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
-	 * @return 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.
 	 */
@@ -118,7 +118,7 @@ class OC_Group_Dummy extends OC_Group_Backend {
 
 	/**
 	 * @brief Get all groups a user belongs to
-	 * @param $uid Name of the user
+	 * @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
diff --git a/lib/private/group/example.php b/lib/private/group/example.php
index 12be5421c1c..cfcc0d245d1 100644
--- a/lib/private/group/example.php
+++ b/lib/private/group/example.php
@@ -28,8 +28,8 @@
 abstract class OC_Group_Example {
 	/**
 	 * @brief Try to create a new group
-	 * @param $gid The name of the group to create
-	 * @return 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
 	 * be returned.
@@ -38,8 +38,8 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief delete a group
-	 * @param $gid gid of the group to delete
-	 * @return 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
-	 * @return 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
-	 * @return 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
-	 * @return 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.
 	 */
@@ -77,7 +77,7 @@ abstract class OC_Group_Example {
 
 	/**
 	 * @brief Get all groups a user belongs to
-	 * @param $uid Name of the user
+	 * @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
diff --git a/lib/private/helper.php b/lib/private/helper.php
index ae957846082..12d82f6fb45 100644
--- a/lib/private/helper.php
+++ b/lib/private/helper.php
@@ -32,7 +32,7 @@ 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
@@ -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/image.php b/lib/private/image.php
index 14aa64d12da..341bfaaf818 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 d7d43779d92..9417c32bc89 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
-	 * @return 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 9ab60e871d0..c9d9e8131b1 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){
diff --git a/lib/private/l10n/factory.php b/lib/private/l10n/factory.php
index 8c65f368171..d0c3799b9c2 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/migrate.php b/lib/private/migrate.php
index 2ec9a0978ad..98c825aafd8 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 ) {
@@ -536,7 +536,7 @@ 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 an array of apps with import statuses, or false on failure.
 	*/
diff --git a/lib/private/migration/content.php b/lib/private/migration/content.php
index b0e7a4e9528..d3b2fe836a4 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/ocs.php b/lib/private/ocs.php
index 211e8222145..aeb3d259b30 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 c8bb9425f1a..3ced0af8ee1 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 0e3b85d5905..567fe7f87fe 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 8b8930df937..fb8282747eb 100644
--- a/lib/private/ocsclient.php
+++ b/lib/private/ocsclient.php
@@ -95,7 +95,7 @@ class OC_OCSClient{
 	 * @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
 	 */
diff --git a/lib/private/preview.php b/lib/private/preview.php
index 941f9f26c6a..bf8c04e0998 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 object $this
 	 */
 	public function setFile($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) {
@@ -750,7 +750,7 @@ class Preview {
 	}
 
 	/**
-	 * @param $fileId
+	 * @param int $fileId
 	 * @return string
 	 */
 	private function buildCachePath($fileId) {
diff --git a/lib/private/response.php b/lib/private/response.php
index 4905c0a787b..f976925fb2e 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 df80facf9c1..87030ad7853 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 44b0b941508..a72ac2bb3f1 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 515ec85909a..68f4a35af19 100644
--- a/lib/private/share/helper.php
+++ b/lib/private/share/helper.php
@@ -25,13 +25,13 @@ 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 $groupParent The id of the parent group share (optional)
 	 * @return string Item target
 	 */
 	public static function generateTarget($itemType, $itemSource, $shareType, $shareWith, $uidOwner,
@@ -142,9 +142,9 @@ 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 $uidOwner The user that the parent was shared with (optinal)
 	 */
 	public static function delete($parent, $excludeParent = false, $uidOwner = null) {
 		$ids = array($parent);
diff --git a/lib/private/share/hooks.php b/lib/private/share/hooks.php
index a33c71eedd2..9ac64d888ea 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 5110df0e571..0cd36e97d54 100644
--- a/lib/private/share/mailnotifications.php
+++ b/lib/private/share/mailnotifications.php
@@ -50,8 +50,8 @@ 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) {
diff --git a/lib/private/share/searchresultsorter.php b/lib/private/share/searchresultsorter.php
index 76abbf30846..91709902fff 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 211c7e7cb1c..98275a59a6f 100644
--- a/lib/private/share/share.php
+++ b/lib/private/share/share.php
@@ -254,12 +254,12 @@ 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)
+	 * @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 $includeCollections (optional)
 	 * @return Return depends on format
 	 */
 	public static function getItemsSharedWithUser($itemType, $user, $format = self::FORMAT_NONE,
@@ -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) {
 
@@ -1000,10 +1000,10 @@ 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)
diff --git a/lib/private/subadmin.php b/lib/private/subadmin.php
index 5b6072987ad..3e8b73d55b0 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 2e786e3fd7b..0b62caf2dd8 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 0a32dc48f22..3f5312c0a7b 100644
--- a/lib/private/template/functions.php
+++ b/lib/private/template/functions.php
@@ -70,7 +70,7 @@ 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
+ * @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 8a3dd5e7fa9..900aa6a8f08 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 b7ac02a753d..0672ffc4a3d 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/urlgenerator.php b/lib/private/urlgenerator.php
index a56b0fe3378..b37ef89d40d 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/database.php b/lib/private/user/database.php
index 284b3582598..747895a8a95 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
-	 * @return 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
-	 * @return 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
-	 * @return 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
-	 * @return 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) {
@@ -169,8 +169,8 @@ class OC_User_Database extends OC_User_Backend {
 
 	/**
 	 * @brief Check if the password is correct
-	 * @param $uid The username
-	 * @param $password The password
+	 * @param string $uid The username
+	 * @param string $password The password
 	 * @return string
 	 *
 	 * Check if the password is correct without logging in the user
diff --git a/lib/private/user/example.php b/lib/private/user/example.php
index e6e2744b405..4bf3652330e 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
-		* @return 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
-		* @return true/false
+		* @param string $uid The username
+		* @param string $password The new password
+		* @return bool
 		*
 		* Change the password of a user
 		*/
@@ -49,8 +49,8 @@ abstract class OC_User_Example extends OC_User_Backend {
 
 	/**
 		* @brief Check if the password is correct
-		* @param $uid The username
-		* @param $password The password
+		* @param string $uid The username
+		* @param string $password The password
 		* @return string
 		*
 		* Check if the password is correct without logging in the user
@@ -60,7 +60,7 @@ abstract class OC_User_Example extends OC_User_Backend {
 
 	/**
 		* @brief get the user's home directory
-		* @param $uid The username
+		* @param string $uid The username
 		* @return string
 		*
 		* get the user's home directory
diff --git a/lib/private/user/http.php b/lib/private/user/http.php
index 806378a7c2c..67f7156b498 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) {
@@ -55,8 +55,8 @@ class OC_User_HTTP extends OC_User_Backend {
 
 	/**
 	 * @brief Check if the password is correct
-	 * @param $uid The username
-	 * @param $password The password
+	 * @param string $uid The username
+	 * @param string $password The password
 	 * @return string
 	 *
 	 * Check if the password is correct without logging in the user
diff --git a/lib/private/user/interface.php b/lib/private/user/interface.php
index 80da765cd9f..e130e5b569c 100644
--- a/lib/private/user/interface.php
+++ b/lib/private/user/interface.php
@@ -30,17 +30,13 @@ interface OC_User_Interface {
 	*
 	* Returns the supported actions as int to be
 	* compared with OC_USER_BACKEND_CREATE_USER etc.
-	* @return boolean
 	*/
 	public function implementsActions($actions);
 
 	/**
 	* @brief delete a user
-	* @param $uid The username of the user to delete
-	* @return true/false
-	*
-	* Deletes a user
-	* @return boolean
+	* @param string $uid The username of the user to delete
+	* @return bool
 	*/
 	public function deleteUser($uid);
 
@@ -61,8 +57,8 @@ 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);
 
diff --git a/lib/private/util.php b/lib/private/util.php
index f3fa7b1f220..1c3177af435 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 an array of 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) {
@@ -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 20cacd926ba..cb556e07c9e 100644
--- a/lib/private/vobject.php
+++ b/lib/private/vobject.php
@@ -89,7 +89,7 @@ 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)) {
@@ -101,7 +101,7 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param $item
+	 * @param \OC_VObject|\Sabre\VObject\Component $item
 	 * @param null $itemValue
 	 */
 	public function add($item, $itemValue = null) {
@@ -138,7 +138,7 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param mixed  $name
+	 * @param mixed $name
 	 * @param string $string
 	 */
 	public function setString($name, $string) {
@@ -175,7 +175,7 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param $name
+	 * @param string $name
 	 * @return string
 	 */
 	public function getAsString($name) {
@@ -186,7 +186,7 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param $name
+	 * @param string $name
 	 * @return array
 	 */
 	public function getAsArray($name) {
@@ -200,7 +200,7 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param $name
+	 * @param string $name
 	 * @return array|OC_VObject|\Sabre\VObject\Property
 	 */
 	public function &__get($name) {
@@ -242,8 +242,8 @@ class OC_VObject{
 
 	/**
 	 * @todo Write documentation
-	 * @param $function
-	 * @param $arguments
+	 * @param callable $function
+	 * @param array $arguments
 	 * @return mixed
 	 */
 	public function __call($function, $arguments) {