chore(apps): Apply new rector configuration to autouse classes

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

17 files changed, 56 insertions, 44 deletions

diff --git a/apps/user_ldap/lib/Access.php b/apps/user_ldap/lib/Access.php
index e0c396a2cad..ba62239138d 100644
--- a/apps/user_ldap/lib/Access.php
+++ b/apps/user_ldap/lib/Access.php
@@ -21,6 +21,7 @@ use OCP\IAppConfig;
 use OCP\IConfig;
 use OCP\IUserManager;
 use OCP\User\Events\UserIdAssignedEvent;
+use OCP\Util;
 use Psr\Log\LoggerInterface;
 use function strlen;
 use function substr;
@@ -260,7 +261,7 @@ class Access extends LDAPUtility {
 			return false;
 		}
 		//LDAP attributes are not case sensitive
-		$result = \OCP\Util::mb_array_change_key_case(
+		$result = Util::mb_array_change_key_case(
 			$this->invokeLDAPMethod('getAttributes', $er), MB_CASE_LOWER, 'UTF-8');
 
 		return $result;
@@ -341,7 +342,7 @@ class Access extends LDAPUtility {
 			return @$this->invokeLDAPMethod('exopPasswd', $userDN, '', $password) ||
 				@$this->invokeLDAPMethod('modReplace', $userDN, $password);
 		} catch (ConstraintViolationException $e) {
-			throw new HintException('Password change rejected.', \OCP\Util::getL10N('user_ldap')->t('Password change rejected. Hint: ') . $e->getMessage(), (int)$e->getCode());
+			throw new HintException('Password change rejected.', Util::getL10N('user_ldap')->t('Password change rejected. Hint: ') . $e->getMessage(), (int)$e->getCode());
 		}
 	}
 
@@ -1329,7 +1330,7 @@ class Access extends LDAPUtility {
 				if (!is_array($item)) {
 					continue;
 				}
-				$item = \OCP\Util::mb_array_change_key_case($item, MB_CASE_LOWER, 'UTF-8');
+				$item = Util::mb_array_change_key_case($item, MB_CASE_LOWER, 'UTF-8');
 				foreach ($attr as $key) {
 					if (isset($item[$key])) {
 						if (is_array($item[$key]) && isset($item[$key]['count'])) {
diff --git a/apps/user_ldap/lib/AppInfo/Application.php b/apps/user_ldap/lib/AppInfo/Application.php
index ae6092ae101..3c1cb5daa12 100644
--- a/apps/user_ldap/lib/AppInfo/Application.php
+++ b/apps/user_ldap/lib/AppInfo/Application.php
@@ -40,6 +40,7 @@ use OCP\IUserManager;
 use OCP\Notification\IManager as INotificationManager;
 use OCP\Share\IManager as IShareManager;
 use OCP\User\Events\PostLoginEvent;
+use OCP\Util;
 use Psr\Container\ContainerInterface;
 use Psr\Log\LoggerInterface;
 
@@ -129,7 +130,7 @@ class Application extends App implements IBootstrap {
 
 		$context->injectFn(Closure::fromCallable([$this, 'registerBackendDependents']));
 
-		\OCP\Util::connectHook(
+		Util::connectHook(
 			'\OCA\Files_Sharing\API\Server2Server',
 			'preLoginNameUsedAsUserName',
 			'\OCA\User_LDAP\Helper',
diff --git a/apps/user_ldap/lib/Configuration.php b/apps/user_ldap/lib/Configuration.php
index 989d0bd3929..658ade62f5d 100644
--- a/apps/user_ldap/lib/Configuration.php
+++ b/apps/user_ldap/lib/Configuration.php
@@ -7,6 +7,7 @@
  */
 namespace OCA\User_LDAP;
 
+use OCP\Server;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -673,7 +674,7 @@ class Configuration {
 			return [strtolower($attribute)];
 		}
 		if ($value !== self::AVATAR_PREFIX_DEFAULT) {
-			\OCP\Server::get(LoggerInterface::class)->warning('Invalid config value to ldapUserAvatarRule; falling back to default.');
+			Server::get(LoggerInterface::class)->warning('Invalid config value to ldapUserAvatarRule; falling back to default.');
 		}
 		return $defaultAttributes;
 	}
diff --git a/apps/user_ldap/lib/FilesystemHelper.php b/apps/user_ldap/lib/FilesystemHelper.php
index 2a17282361a..eea7ec62ad8 100644
--- a/apps/user_ldap/lib/FilesystemHelper.php
+++ b/apps/user_ldap/lib/FilesystemHelper.php
@@ -7,6 +7,8 @@
  */
 namespace OCA\User_LDAP;
 
+use OC\Files\Filesystem;
+
 /**
  * @brief wraps around static Nextcloud core methods
  */
@@ -17,7 +19,7 @@ class FilesystemHelper {
 	 * @return bool
 	 */
 	public function isLoaded() {
-		return \OC\Files\Filesystem::$loaded;
+		return Filesystem::$loaded;
 	}
 
 	/**
diff --git a/apps/user_ldap/lib/GroupPluginManager.php b/apps/user_ldap/lib/GroupPluginManager.php
index 37622a53480..6bdb5559a02 100644
--- a/apps/user_ldap/lib/GroupPluginManager.php
+++ b/apps/user_ldap/lib/GroupPluginManager.php
@@ -6,6 +6,7 @@
 namespace OCA\User_LDAP;
 
 use OCP\GroupInterface;
+use OCP\Server;
 use Psr\Log\LoggerInterface;
 
 class GroupPluginManager {
@@ -41,7 +42,7 @@ class GroupPluginManager {
 		foreach ($this->which as $action => $v) {
 			if ((bool)($respondToActions & $action)) {
 				$this->which[$action] = $plugin;
-				\OCP\Server::get(LoggerInterface::class)->debug('Registered action ' . $action . ' to plugin ' . get_class($plugin), ['app' => 'user_ldap']);
+				Server::get(LoggerInterface::class)->debug('Registered action ' . $action . ' to plugin ' . get_class($plugin), ['app' => 'user_ldap']);
 			}
 		}
 	}
diff --git a/apps/user_ldap/lib/Group_Proxy.php b/apps/user_ldap/lib/Group_Proxy.php
index 1a78a65e61e..931ad7d181a 100644
--- a/apps/user_ldap/lib/Group_Proxy.php
+++ b/apps/user_ldap/lib/Group_Proxy.php
@@ -18,7 +18,7 @@ use OCP\GroupInterface;
 use OCP\IConfig;
 use OCP\IUserManager;
 
-class Group_Proxy extends Proxy implements \OCP\GroupInterface, IGroupLDAP, IGetDisplayNameBackend, INamedBackend, IDeleteGroupBackend, IBatchMethodsBackend, IIsAdminBackend {
+class Group_Proxy extends Proxy implements GroupInterface, IGroupLDAP, IGetDisplayNameBackend, INamedBackend, IDeleteGroupBackend, IBatchMethodsBackend, IIsAdminBackend {
 	private $backends = [];
 	private ?Group_LDAP $refBackend = null;
 	private Helper $helper;
diff --git a/apps/user_ldap/lib/Jobs/CleanUp.php b/apps/user_ldap/lib/Jobs/CleanUp.php
index 088a563dc27..12dcc1673d6 100644
--- a/apps/user_ldap/lib/Jobs/CleanUp.php
+++ b/apps/user_ldap/lib/Jobs/CleanUp.php
@@ -14,6 +14,7 @@ use OCA\User_LDAP\User_LDAP;
 use OCA\User_LDAP\User_Proxy;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\BackgroundJob\TimedJob;
+use OCP\Server;
 
 /**
  * Class CleanUp
@@ -95,7 +96,7 @@ class CleanUp extends TimedJob {
 		if (isset($arguments['mapping'])) {
 			$this->mapping = $arguments['mapping'];
 		} else {
-			$this->mapping = \OCP\Server::get(UserMapping::class);
+			$this->mapping = Server::get(UserMapping::class);
 		}
 
 		if (isset($arguments['deletedUsersIndex'])) {
diff --git a/apps/user_ldap/lib/LDAP.php b/apps/user_ldap/lib/LDAP.php
index b57cae72436..5e801dec720 100644
--- a/apps/user_ldap/lib/LDAP.php
+++ b/apps/user_ldap/lib/LDAP.php
@@ -12,6 +12,7 @@ use OCA\User_LDAP\DataCollector\LdapDataCollector;
 use OCA\User_LDAP\Exceptions\ConstraintViolationException;
 use OCP\IConfig;
 use OCP\Profiler\IProfiler;
+use OCP\Server;
 use Psr\Log\LoggerInterface;
 
 class LDAP implements ILDAPWrapper {
@@ -31,7 +32,7 @@ class LDAP implements ILDAPWrapper {
 			$profiler->add($this->dataCollector);
 		}
 
-		$this->logger = \OCP\Server::get(LoggerInterface::class);
+		$this->logger = Server::get(LoggerInterface::class);
 	}
 
 	/**
diff --git a/apps/user_ldap/lib/Mapping/AbstractMapping.php b/apps/user_ldap/lib/Mapping/AbstractMapping.php
index 94ac3c985ca..a8f0cf84d76 100644
--- a/apps/user_ldap/lib/Mapping/AbstractMapping.php
+++ b/apps/user_ldap/lib/Mapping/AbstractMapping.php
@@ -11,6 +11,7 @@ use Doctrine\DBAL\Exception;
 use OCP\DB\IPreparedStatement;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\IDBConnection;
+use OCP\Server;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -34,7 +35,7 @@ abstract class AbstractMapping {
 	/**
 	 * @param \OCP\IDBConnection $dbc
 	 */
-	public function __construct(\OCP\IDBConnection $dbc) {
+	public function __construct(IDBConnection $dbc) {
 		$this->dbc = $dbc;
 	}
 
@@ -333,7 +334,7 @@ abstract class AbstractMapping {
 	 */
 	public function map($fdn, $name, $uuid) {
 		if (mb_strlen($fdn) > 4000) {
-			\OCP\Server::get(LoggerInterface::class)->error(
+			Server::get(LoggerInterface::class)->error(
 				'Cannot map, because the DN exceeds 4000 characters: {dn}',
 				[
 					'app' => 'user_ldap',
diff --git a/apps/user_ldap/lib/Notification/Notifier.php b/apps/user_ldap/lib/Notification/Notifier.php
index 23ad77f75f2..8858bc33f80 100644
--- a/apps/user_ldap/lib/Notification/Notifier.php
+++ b/apps/user_ldap/lib/Notification/Notifier.php
@@ -18,7 +18,7 @@ class Notifier implements INotifier {
 	/**
 	 * @param IFactory $l10nFactory
 	 */
-	public function __construct(\OCP\L10N\IFactory $l10nFactory) {
+	public function __construct(IFactory $l10nFactory) {
 		$this->l10nFactory = $l10nFactory;
 	}
 
diff --git a/apps/user_ldap/lib/User/Manager.php b/apps/user_ldap/lib/User/Manager.php
index 5d5ad8b2658..7b03483200d 100644
--- a/apps/user_ldap/lib/User/Manager.php
+++ b/apps/user_ldap/lib/User/Manager.php
@@ -77,7 +77,7 @@ class Manager {
 	 * property array
 	 * @param string $dn the DN of the user
 	 * @param string $uid the internal (owncloud) username
-	 * @return \OCA\User_LDAP\User\User
+	 * @return User
 	 */
 	private function createAndCache($dn, $uid) {
 		$this->checkAccess();
@@ -188,7 +188,7 @@ class Manager {
 	/**
 	 * creates and returns an instance of OfflineUser for the specified user
 	 * @param string $id
-	 * @return \OCA\User_LDAP\User\OfflineUser
+	 * @return OfflineUser
 	 */
 	public function getDeletedUser($id) {
 		return new OfflineUser(
@@ -202,7 +202,7 @@ class Manager {
 	/**
 	 * @brief returns a User object by its Nextcloud username
 	 * @param string $id the DN or username of the user
-	 * @return \OCA\User_LDAP\User\User|\OCA\User_LDAP\User\OfflineUser|null
+	 * @return User|OfflineUser|null
 	 */
 	protected function createInstancyByUserName($id) {
 		//most likely a uid. Check whether it is a deleted user
@@ -219,7 +219,7 @@ class Manager {
 	/**
 	 * @brief returns a User object by its DN or Nextcloud username
 	 * @param string $id the DN or username of the user
-	 * @return \OCA\User_LDAP\User\User|\OCA\User_LDAP\User\OfflineUser|null
+	 * @return User|OfflineUser|null
 	 * @throws \Exception when connection could not be established
 	 */
 	public function get($id) {
diff --git a/apps/user_ldap/lib/User/OfflineUser.php b/apps/user_ldap/lib/User/OfflineUser.php
index eed715ccc1c..873bd597df8 100644
--- a/apps/user_ldap/lib/User/OfflineUser.php
+++ b/apps/user_ldap/lib/User/OfflineUser.php
@@ -60,7 +60,7 @@ class OfflineUser {
 	 */
 	protected $db;
 	/**
-	 * @var \OCA\User_LDAP\Mapping\UserMapping
+	 * @var UserMapping
 	 */
 	protected $mapping;
 	/** @var IManager */
diff --git a/apps/user_ldap/lib/User/User.php b/apps/user_ldap/lib/User/User.php
index 4a5f2442c9b..0a310f57012 100644
--- a/apps/user_ldap/lib/User/User.php
+++ b/apps/user_ldap/lib/User/User.php
@@ -23,6 +23,7 @@ use OCP\IUser;
 use OCP\IUserManager;
 use OCP\Notification\IManager as INotificationManager;
 use OCP\Server;
+use OCP\Util;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -121,7 +122,7 @@ class User {
 		$this->notificationManager = $notificationManager;
 		$this->birthdateParser = new BirthdateParserService();
 
-		\OCP\Util::connectHook('OC_User', 'post_login', $this, 'handlePasswordExpiry');
+		Util::connectHook('OC_User', 'post_login', $this, 'handlePasswordExpiry');
 	}
 
 	/**
@@ -228,7 +229,7 @@ class User {
 			//User Profile Field - Phone number
 			$attr = strtolower($this->connection->ldapAttributePhone);
 			if (!empty($attr)) { // attribute configured
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_PHONE]
+				$profileValues[IAccountManager::PROPERTY_PHONE]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			//User Profile Field - website
@@ -237,57 +238,57 @@ class User {
 				$cutPosition = strpos($ldapEntry[$attr][0], ' ');
 				if ($cutPosition) {
 					// drop appended label
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_WEBSITE]
+					$profileValues[IAccountManager::PROPERTY_WEBSITE]
 						= substr($ldapEntry[$attr][0], 0, $cutPosition);
 				} else {
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_WEBSITE]
+					$profileValues[IAccountManager::PROPERTY_WEBSITE]
 						= $ldapEntry[$attr][0];
 				}
 			} elseif (!empty($attr)) {	// configured, but not defined
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_WEBSITE] = '';
+				$profileValues[IAccountManager::PROPERTY_WEBSITE] = '';
 			}
 			//User Profile Field - Address
 			$attr = strtolower($this->connection->ldapAttributeAddress);
 			if (isset($ldapEntry[$attr])) {
 				if (str_contains($ldapEntry[$attr][0], '$')) {
 					// basic format conversion from postalAddress syntax to commata delimited
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_ADDRESS]
+					$profileValues[IAccountManager::PROPERTY_ADDRESS]
 						= str_replace('$', ', ', $ldapEntry[$attr][0]);
 				} else {
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_ADDRESS]
+					$profileValues[IAccountManager::PROPERTY_ADDRESS]
 						= $ldapEntry[$attr][0];
 				}
 			} elseif (!empty($attr)) {	// configured, but not defined
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_ADDRESS] = '';
+				$profileValues[IAccountManager::PROPERTY_ADDRESS] = '';
 			}
 			//User Profile Field - Twitter
 			$attr = strtolower($this->connection->ldapAttributeTwitter);
 			if (!empty($attr)) {
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_TWITTER]
+				$profileValues[IAccountManager::PROPERTY_TWITTER]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			//User Profile Field - fediverse
 			$attr = strtolower($this->connection->ldapAttributeFediverse);
 			if (!empty($attr)) {
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_FEDIVERSE]
+				$profileValues[IAccountManager::PROPERTY_FEDIVERSE]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			//User Profile Field - organisation
 			$attr = strtolower($this->connection->ldapAttributeOrganisation);
 			if (!empty($attr)) {
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_ORGANISATION]
+				$profileValues[IAccountManager::PROPERTY_ORGANISATION]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			//User Profile Field - role
 			$attr = strtolower($this->connection->ldapAttributeRole);
 			if (!empty($attr)) {
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_ROLE]
+				$profileValues[IAccountManager::PROPERTY_ROLE]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			//User Profile Field - headline
 			$attr = strtolower($this->connection->ldapAttributeHeadline);
 			if (!empty($attr)) {
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_HEADLINE]
+				$profileValues[IAccountManager::PROPERTY_HEADLINE]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			//User Profile Field - biography
@@ -295,14 +296,14 @@ class User {
 			if (isset($ldapEntry[$attr])) {
 				if (str_contains($ldapEntry[$attr][0], '\r')) {
 					// convert line endings
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_BIOGRAPHY]
+					$profileValues[IAccountManager::PROPERTY_BIOGRAPHY]
 						= str_replace(["\r\n","\r"], "\n", $ldapEntry[$attr][0]);
 				} else {
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_BIOGRAPHY]
+					$profileValues[IAccountManager::PROPERTY_BIOGRAPHY]
 						= $ldapEntry[$attr][0];
 				}
 			} elseif (!empty($attr)) {	// configured, but not defined
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_BIOGRAPHY] = '';
+				$profileValues[IAccountManager::PROPERTY_BIOGRAPHY] = '';
 			}
 			//User Profile Field - birthday
 			$attr = strtolower($this->connection->ldapAttributeBirthDate);
@@ -310,7 +311,7 @@ class User {
 				$value = $ldapEntry[$attr][0];
 				try {
 					$birthdate = $this->birthdateParser->parseBirthdate($value);
-					$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_BIRTHDATE]
+					$profileValues[IAccountManager::PROPERTY_BIRTHDATE]
 						= $birthdate->format('Y-m-d');
 				} catch (InvalidArgumentException $e) {
 					// Invalid date -> just skip the property
@@ -323,7 +324,7 @@ class User {
 			//User Profile Field - pronouns
 			$attr = strtolower($this->connection->ldapAttributePronouns);
 			if (!empty($attr)) {
-				$profileValues[\OCP\Accounts\IAccountManager::PROPERTY_PRONOUNS]
+				$profileValues[IAccountManager::PROPERTY_PRONOUNS]
 					= $ldapEntry[$attr][0] ?? '';
 			}
 			// check for changed data and cache just for TTL checking
@@ -354,7 +355,7 @@ class User {
 				// system must be postponed after the login. It is to ensure
 				// external mounts are mounted properly (e.g. with login
 				// credentials from the session).
-				\OCP\Util::connectHook('OC_User', 'post_login', $this, 'updateAvatarPostLogin');
+				Util::connectHook('OC_User', 'post_login', $this, 'updateAvatarPostLogin');
 				break;
 			}
 		}
diff --git a/apps/user_ldap/lib/UserPluginManager.php b/apps/user_ldap/lib/UserPluginManager.php
index 7c51dc70f83..bbcf4157016 100644
--- a/apps/user_ldap/lib/UserPluginManager.php
+++ b/apps/user_ldap/lib/UserPluginManager.php
@@ -6,6 +6,7 @@
 namespace OCA\User_LDAP;
 
 use OC\User\Backend;
+use OCP\Server;
 use Psr\Log\LoggerInterface;
 
 class UserPluginManager {
@@ -43,12 +44,12 @@ class UserPluginManager {
 		foreach ($this->which as $action => $v) {
 			if (is_int($action) && (bool)($respondToActions & $action)) {
 				$this->which[$action] = $plugin;
-				\OCP\Server::get(LoggerInterface::class)->debug('Registered action ' . $action . ' to plugin ' . get_class($plugin), ['app' => 'user_ldap']);
+				Server::get(LoggerInterface::class)->debug('Registered action ' . $action . ' to plugin ' . get_class($plugin), ['app' => 'user_ldap']);
 			}
 		}
 		if (method_exists($plugin, 'deleteUser')) {
 			$this->which['deleteUser'] = $plugin;
-			\OCP\Server::get(LoggerInterface::class)->debug('Registered action deleteUser to plugin ' . get_class($plugin), ['app' => 'user_ldap']);
+			Server::get(LoggerInterface::class)->debug('Registered action deleteUser to plugin ' . get_class($plugin), ['app' => 'user_ldap']);
 		}
 	}
 
diff --git a/apps/user_ldap/lib/User_LDAP.php b/apps/user_ldap/lib/User_LDAP.php
index bd1a65f4d42..85ed69195b6 100644
--- a/apps/user_ldap/lib/User_LDAP.php
+++ b/apps/user_ldap/lib/User_LDAP.php
@@ -258,8 +258,8 @@ class User_LDAP extends BackendUtility implements IUserBackend, UserInterface, I
 	/**
 	 * checks whether a user is still available on LDAP
 	 *
-	 * @param string|\OCA\User_LDAP\User\User $user either the Nextcloud user
-	 *                                              name or an instance of that user
+	 * @param string|User $user either the Nextcloud user
+	 *                          name or an instance of that user
 	 * @throws \Exception
 	 * @throws \OC\ServerNotAvailableException
 	 */
diff --git a/apps/user_ldap/lib/User_Proxy.php b/apps/user_ldap/lib/User_Proxy.php
index 0c00771aa67..3abaae741d8 100644
--- a/apps/user_ldap/lib/User_Proxy.php
+++ b/apps/user_ldap/lib/User_Proxy.php
@@ -220,8 +220,8 @@ class User_Proxy extends Proxy implements IUserBackend, UserInterface, IUserLDAP
 	/**
 	 * check if a user exists on LDAP
 	 *
-	 * @param string|\OCA\User_LDAP\User\User $user either the Nextcloud user
-	 *                                              name or an instance of that user
+	 * @param string|User $user either the Nextcloud user
+	 *                          name or an instance of that user
 	 */
 	public function userExistsOnLDAP($user, bool $ignoreCache = false): bool {
 		$id = ($user instanceof User) ? $user->getUsername() : $user;
diff --git a/apps/user_ldap/lib/Wizard.php b/apps/user_ldap/lib/Wizard.php
index 87f0d04f497..262777c5022 100644
--- a/apps/user_ldap/lib/Wizard.php
+++ b/apps/user_ldap/lib/Wizard.php
@@ -11,6 +11,7 @@ namespace OCA\User_LDAP;
 use OC\ServerNotAvailableException;
 use OCP\IL10N;
 use OCP\L10N\IFactory as IL10NFactory;
+use OCP\Util;
 use Psr\Log\LoggerInterface;
 
 class Wizard extends LDAPUtility {
@@ -1253,7 +1254,7 @@ class Wizard extends LDAPUtility {
 		}
 
 		// strtolower on all keys for proper comparison
-		$result = \OCP\Util::mb_array_change_key_case($result);
+		$result = Util::mb_array_change_key_case($result);
 		$attribute = strtolower($attribute);
 		if (isset($result[$attribute])) {
 			foreach ($result[$attribute] as $key => $val) {