diff --git a/appinfo/app.php b/appinfo/app.php
index 3a6d7de..998e3fc 100644
--- a/appinfo/app.php
+++ b/appinfo/app.php
@@ -24,7 +24,7 @@ require_once __DIR__ . '/../3rdparty/vendor/autoload.php';
 // If we run in CLI mode do not setup the app as it can fail the OCC execution
 // since the URLGenerator isn't accessible.
 $cli = false;
-if(OC::$CLI) {
+if (OC::$CLI) {
 	$cli = true;
 }
 try {
@@ -70,7 +70,7 @@ $params = [];
 // Setting up the one login config may fail, if so, do not catch the requests later.
 $returnScript = false;
 $type = '';
-switch($config->getAppValue('user_saml', 'type')) {
+switch ($config->getAppValue('user_saml', 'type')) {
 	case 'saml':
 		try {
 			$oneLoginSettings = new \OneLogin\Saml2\Settings($samlSettings->getOneLoginSettingsArray(1));
@@ -96,7 +96,7 @@ if ($type === 'environment-variable') {
 	OC_User::handleApacheAuth();
 }
 
-if($returnScript === true) {
+if ($returnScript === true) {
 	return;
 }
 
@@ -122,7 +122,7 @@ if ($user !== null) {
 
 // All requests that are not authenticated and match against the "/login" route are
 // redirected to the SAML login endpoint
-if(!$cli &&
+if (!$cli &&
 	!$userSession->isLoggedIn() &&
 	\OC::$server->getRequest()->getPathInfo() === '/login' &&
 	$type !== '') {
@@ -145,10 +145,10 @@ if(!$cli &&
 // UX (users don't have to reauthenticate) we default to disallow the access via
 // SAML at the moment.
 $useSamlForDesktopClients = $config->getAppValue('user_saml', 'general-use_saml_auth_for_desktop', '0');
-if($useSamlForDesktopClients === '1') {
+if ($useSamlForDesktopClients === '1') {
 	$currentUrl = substr(explode('?',$request->getRequestUri(), 2)[0], strlen(\OC::$WEBROOT));
-	if(substr($currentUrl, 0, 12) === '/remote.php/' || substr($currentUrl, 0, 5) === '/ocs/') {
-		if(!$userSession->isLoggedIn() && $request->isUserAgent([\OCP\IRequest::USER_AGENT_CLIENT_DESKTOP])) {
+	if (substr($currentUrl, 0, 12) === '/remote.php/' || substr($currentUrl, 0, 5) === '/ocs/') {
+		if (!$userSession->isLoggedIn() && $request->isUserAgent([\OCP\IRequest::USER_AGENT_CLIENT_DESKTOP])) {
 			$redirectSituation = true;
 
 			if (preg_match('/^.*\/(\d+\.\d+\.\d+).*$/', $request->getHeader('USER_AGENT'), $matches) === 1) {
@@ -173,7 +173,7 @@ if ($redirectSituation === true && $showLoginOptions) {
 		// ignore exception when PUT is called since getParams cannot parse parameters in that case
 	}
 	$redirectUrl = '';
-	if(isset($params['redirect_url'])) {
+	if (isset($params['redirect_url'])) {
 		$redirectUrl = $params['redirect_url'];
 	}
 
@@ -185,17 +185,16 @@ if ($redirectSituation === true && $showLoginOptions) {
 	);
 	header('Location: '.$targetUrl);
 	exit();
-
 }
 
-if($redirectSituation === true) {
+if ($redirectSituation === true) {
 	try {
 		$params = $request->getParams();
 	} catch (\LogicException $e) {
 		// ignore exception when PUT is called since getParams cannot parse parameters in that case
 	}
 	$originalUrl = '';
-	if(isset($params['redirect_url'])) {
+	if (isset($params['redirect_url'])) {
 		$originalUrl = $urlGenerator->getAbsoluteURL($params['redirect_url']);
 	}
 
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index a56671e..975a095 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -28,7 +28,7 @@ use OCP\AppFramework\IAppContainer;
 use OCP\SabrePluginEvent;
 
 class Application extends App {
-	public function __construct(array $urlParams = array()) {
+	public function __construct(array $urlParams = []) {
 		parent::__construct('user_saml', $urlParams);
 		$container = $this->getContainer();
 
@@ -57,7 +57,6 @@ class Application extends App {
 	}
 
 	public function registerDavAuth() {
-
 		$container = $this->getContainer();
 
 		$dispatcher = $container->getServer()->getEventDispatcher();
@@ -74,7 +73,7 @@ class Application extends App {
 		$config = $container->getServer()->getConfig();
 
 		$dispatcher = $container->getServer()->getEventDispatcher();
-		$dispatcher->addListener('OCA\Files::loadAdditionalScripts', function() use ($session, $config, $userSession) {
+		$dispatcher->addListener('OCA\Files::loadAdditionalScripts', function () use ($session, $config, $userSession) {
 			if (!$userSession->isLoggedIn()) {
 				return;
 			}
diff --git a/lib/Controller/SAMLController.php b/lib/Controller/SAMLController.php
index 33be675..d3f8573 100644
--- a/lib/Controller/SAMLController.php
+++ b/lib/Controller/SAMLController.php
@@ -38,8 +38,6 @@ use OCP\ILogger;
 use OCP\IRequest;
 use OCP\ISession;
 use OCP\IURLGenerator;
-use OCP\IUser;
-use OCP\IUserManager;
 use OCP\IUserSession;
 use OCP\Security\ICrypto;
 use OneLogin\Saml2\Auth;
@@ -120,7 +118,7 @@ class SAMLController extends Controller {
 	private function autoprovisionIfPossible() {
 		$auth = $this->userData->getAttributes();
 
-		if(!$this->userData->hasUidMappingAttribute()) {
+		if (!$this->userData->hasUidMappingAttribute()) {
 			throw new NoUserFoundException('IDP parameter for the UID not found. Possible parameters are: ' . json_encode(array_keys($auth)));
 		}
 
@@ -142,17 +140,17 @@ class SAMLController extends Controller {
 			return;
 		}
 		$autoProvisioningAllowed = $this->userBackend->autoprovisionAllowed();
-		if($userExists) {
-			if($autoProvisioningAllowed) {
+		if ($userExists) {
+			if ($autoProvisioningAllowed) {
 				$this->userBackend->updateAttributes($uid, $auth);
 			}
 			return;
 		}
 		$uid = $this->userData->getOriginalUid();
 		$uid = $this->userData->testEncodedObjectGUID($uid);
-		if(!$userExists && !$autoProvisioningAllowed) {
+		if (!$userExists && !$autoProvisioningAllowed) {
 			throw new NoUserFoundException('Auto provisioning not allowed and user ' . $uid . ' does not exist');
-		} elseif(!$userExists && $autoProvisioningAllowed) {
+		} elseif (!$userExists && $autoProvisioningAllowed) {
 			$this->userBackend->createUserIfNotExists($uid, $auth);
 			$this->userBackend->updateAttributes($uid, $auth);
 			return;
@@ -171,7 +169,7 @@ class SAMLController extends Controller {
 	 */
 	public function login($idp) {
 		$type = $this->config->getAppValue($this->appName, 'type');
-		switch($type) {
+		switch ($type) {
 			case 'saml':
 				$auth = new Auth($this->SAMLSettings->getOneLoginSettingsArray($idp));
 				$ssoUrl = $auth->login(null, [], false, false, true);
@@ -182,7 +180,7 @@ class SAMLController extends Controller {
 
 				if ($this->session->get(ClientFlowLoginController::STATE_NAME) !== null) {
 					$flowData['cf1'] = $this->session->get(ClientFlowLoginController::STATE_NAME);
-				} else if ($this->session->get(ClientFlowLoginV2Controller::TOKEN_NAME) !== null) {
+				} elseif ($this->session->get(ClientFlowLoginV2Controller::TOKEN_NAME) !== null) {
 					$flowData['cf2'] = [
 						'token' => $this->session->get(ClientFlowLoginV2Controller::TOKEN_NAME),
 						'state' => $this->session->get(ClientFlowLoginV2Controller::STATE_NAME),
@@ -291,18 +289,17 @@ class SAMLController extends Controller {
 		if (isset($data['flow'])) {
 			if (isset($data['flow']['cf1'])) {
 				$this->session->set(ClientFlowLoginController::STATE_NAME, $data['flow']['cf1']);
-			} else if (isset($data['flow']['cf2'])) {
+			} elseif (isset($data['flow']['cf2'])) {
 				$this->session->set(ClientFlowLoginV2Controller::TOKEN_NAME, $data['flow']['cf2']['token']);
 				$this->session->set(ClientFlowLoginV2Controller::STATE_NAME, $data['flow']['cf2']['state']);
 			}
-
 		}
 
 		$AuthNRequestID = $data['AuthNRequestID'];
 		$idp = $data['Idp'];
 		// need to keep the IdP config ID during session lifetime (SAMLSettings::getPrefix)
 		$this->session->set('user_saml.Idp', $idp);
-		if(is_null($AuthNRequestID) || $AuthNRequestID === '' || is_null($idp)) {
+		if (is_null($AuthNRequestID) || $AuthNRequestID === '' || is_null($idp)) {
 			$this->logger->debug('Invalid auth payload', ['app' => 'user_saml']);
 			return new Http\RedirectResponse($this->urlGenerator->getAbsoluteURL('/'));
 		}
@@ -315,7 +312,7 @@ class SAMLController extends Controller {
 		$errors = $auth->getErrors();
 
 		if (!empty($errors)) {
-			foreach($errors as $error) {
+			foreach ($errors as $error) {
 				$this->logger->error($error, ['app' => $this->appName]);
 			}
 			$this->logger->error($auth->getLastErrorReason(), ['app' => $this->appName]);
@@ -363,14 +360,14 @@ class SAMLController extends Controller {
 		}
 
 		$originalUrl = $data['OriginalUrl'];
-		if($originalUrl !== null && $originalUrl !== '') {
+		if ($originalUrl !== null && $originalUrl !== '') {
 			$response = new Http\RedirectResponse($originalUrl);
 		} else {
 			$response = new Http\RedirectResponse(\OC::$server->getURLGenerator()->getAbsoluteURL('/'));
 		}
 		// The Nextcloud desktop client expects a cookie with the key of "_shibsession"
 		// to be there.
-		if($this->request->isUserAgent(['/^.*(mirall|csyncoC)\/.*$/'])) {
+		if ($this->request->isUserAgent(['/^.*(mirall|csyncoC)\/.*$/'])) {
 			$response->addCookie('_shibsession_', 'authenticated');
 		}
 
@@ -392,17 +389,17 @@ class SAMLController extends Controller {
 
 		// Some IDPs send the SLO request via POST, but OneLogin php-saml only handles GET.
 		// To hack around this issue we copy the request from _POST to _GET.
-		if(!empty($_POST['SAMLRequest'])) {
+		if (!empty($_POST['SAMLRequest'])) {
 			$_GET['SAMLRequest'] = $_POST['SAMLRequest'];
 		}
 
 		$isFromIDP = !$isFromGS && !empty($_GET['SAMLRequest']);
 
-		if($isFromIDP) {
+		if ($isFromIDP) {
 			// requests comes from the IDP so let it manage the logout
 			// (or raise Error if request is invalid)
-			$pass = True ;
-		} elseif($isFromGS) {
+			$pass = true ;
+		} elseif ($isFromGS) {
 			// Request is from master GlobalScale
 			// Request validity is check via a JSON Web Token
 			$jwt = $this->request->getParam('jwt', '');
@@ -412,7 +409,7 @@ class SAMLController extends Controller {
 			$pass = $this->request->passesCSRFCheck();
 		}
 
-		if($pass) {
+		if ($pass) {
 			$idp = $this->session->get('user_saml.Idp');
 			$auth = new Auth($this->SAMLSettings->getOneLoginSettingsArray($idp));
 			$stay = true ; // $auth will return the redirect URL but won't perform the redirect himself
@@ -428,14 +425,14 @@ class SAMLController extends Controller {
 
 				$errors = $auth->getErrors();
 				if (!empty($errors)) {
-					foreach($errors as $error) {
+					foreach ($errors as $error) {
 						$this->logger->error($error, ['app' => $this->appName]);
 					}
 					$this->logger->error($auth->getLastErrorReason(), ['app' => $this->appName]);
 				}
 			} else {
 				// If request is not from IDP, we send the logout request to the IDP
-				$parameters = array();
+				$parameters = [];
 				$nameId = $this->session->get('user_saml.samlNameId');
 				$nameIdFormat = $this->session->get('user_saml.samlNameIdFormat');
 				$nameIdNameQualifier = $this->session->get('user_saml.samlNameIdNameQualifier');
@@ -448,11 +445,11 @@ class SAMLController extends Controller {
 					$this->userSession->logout();
 				}
 			}
-			if(!empty($targetUrl) && !$auth->getLastErrorReason()){
+			if (!empty($targetUrl) && !$auth->getLastErrorReason()) {
 				$this->userSession->logout();
 			}
 		}
-		if(empty($targetUrl)){
+		if (empty($targetUrl)) {
 			$targetUrl = $this->urlGenerator->getAbsoluteURL('/');
 		}
 
@@ -491,7 +488,6 @@ class SAMLController extends Controller {
 	 * @return Http\TemplateResponse
 	 */
 	public function selectUserBackEnd($redirectUrl) {
-
 		$attributes = ['loginUrls' => []];
 
 		if ($this->SAMLSettings->allowMultipleUserBackEnds()) {
@@ -543,9 +539,8 @@ class SAMLController extends Controller {
 	 * @return string
 	 */
 	private function getSSOUrl($redirectUrl, $idp) {
-
 		$originalUrl = '';
-		if(!empty($redirectUrl)) {
+		if (!empty($redirectUrl)) {
 			$originalUrl = $this->urlGenerator->getAbsoluteURL($redirectUrl);
 		}
 
@@ -561,7 +556,6 @@ class SAMLController extends Controller {
 		);
 
 		return $ssoUrl;
-
 	}
 
 	/**
@@ -612,5 +606,4 @@ class SAMLController extends Controller {
 		$message = $this->l->t('This page should not be visited directly.');
 		return new Http\TemplateResponse($this->appName, 'error', ['message' => $message], 'guest');
 	}
-
 }
diff --git a/lib/Controller/SettingsController.php b/lib/Controller/SettingsController.php
index fb76ef5..58f2361 100644
--- a/lib/Controller/SettingsController.php
+++ b/lib/Controller/SettingsController.php
@@ -116,5 +116,4 @@ class SettingsController extends Controller {
 		}
 		return new Response();
 	}
-
 }
diff --git a/lib/Controller/TimezoneController.php b/lib/Controller/TimezoneController.php
index 46218c7..cadafe1 100644
--- a/lib/Controller/TimezoneController.php
+++ b/lib/Controller/TimezoneController.php
@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 /**
  * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
diff --git a/lib/DavPlugin.php b/lib/DavPlugin.php
index 5340760..59285c4 100644
--- a/lib/DavPlugin.php
+++ b/lib/DavPlugin.php
@@ -24,11 +24,8 @@ namespace OCA\User_SAML;
 use OCA\DAV\Connector\Sabre\Auth;
 use OCP\IConfig;
 use OCP\ISession;
-use Sabre\DAV\CorePlugin;
-use Sabre\DAV\FS\Directory;
 use Sabre\DAV\Server;
 use Sabre\DAV\ServerPlugin;
-use Sabre\DAV\Tree;
 use Sabre\HTTP\RequestInterface;
 use Sabre\HTTP\ResponseInterface;
 
diff --git a/lib/Middleware/OnlyLoggedInMiddleware.php b/lib/Middleware/OnlyLoggedInMiddleware.php
index 6a3bfdf..d46c03a 100644
--- a/lib/Middleware/OnlyLoggedInMiddleware.php
+++ b/lib/Middleware/OnlyLoggedInMiddleware.php
@@ -21,7 +21,6 @@
 
 namespace OCA\User_SAML\Middleware;
 
-use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Middleware;
 use OCP\AppFramework\Utility\IControllerMethodReflector;
@@ -61,8 +60,8 @@ class OnlyLoggedInMiddleware extends Middleware {
 	 * @param string $methodName
 	 * @throws \Exception
 	 */
-	public function beforeController($controller, $methodName){
-		if($this->reflector->hasAnnotation('OnlyUnauthenticatedUsers') && $this->userSession->isLoggedIn()) {
+	public function beforeController($controller, $methodName) {
+		if ($this->reflector->hasAnnotation('OnlyUnauthenticatedUsers') && $this->userSession->isLoggedIn()) {
 			throw new \Exception('User is already logged-in');
 		}
 	}
@@ -75,7 +74,7 @@ class OnlyLoggedInMiddleware extends Middleware {
 	 * @throws \Exception
 	 */
 	public function afterException($controller, $methodName, \Exception $exception) {
-		if($exception->getMessage() === 'User is already logged-in') {
+		if ($exception->getMessage() === 'User is already logged-in') {
 			return new RedirectResponse($this->urlGenerator->getAbsoluteURL('/'));
 		}
 
diff --git a/lib/SAMLSettings.php b/lib/SAMLSettings.php
index 29a6839..efc35bb 100644
--- a/lib/SAMLSettings.php
+++ b/lib/SAMLSettings.php
@@ -21,7 +21,6 @@
 
 namespace OCA\User_SAML;
 
-use OCP\AppFramework\Http;
 use OCP\IConfig;
 use OCP\IRequest;
 use OCP\ISession;
@@ -99,7 +98,6 @@ class SAMLSettings {
 	 * @return array
 	 */
 	public function getOneLoginSettingsArray($idp) {
-
 		$prefix = '';
 		if ($idp > 1) {
 			$prefix = $idp . '-';
@@ -142,20 +140,20 @@ class SAMLSettings {
 
 		$spx509cert = $this->config->getAppValue('user_saml', $prefix . 'sp-x509cert', '');
 		$spxprivateKey = $this->config->getAppValue('user_saml', $prefix . 'sp-privateKey', '');
-		if($spx509cert !== '') {
+		if ($spx509cert !== '') {
 			$settings['sp']['x509cert'] = $spx509cert;
 		}
-		if($spxprivateKey !== '') {
+		if ($spxprivateKey !== '') {
 			$settings['sp']['privateKey'] = $spxprivateKey;
 		}
 
 		$idpx509cert = $this->config->getAppValue('user_saml', $prefix . 'idp-x509cert', '');
-		if($idpx509cert !== '') {
+		if ($idpx509cert !== '') {
 			$settings['idp']['x509cert'] = $idpx509cert;
 		}
 
 		$slo = $this->config->getAppValue('user_saml', $prefix . 'idp-singleLogoutService.url', '');
-		if($slo !== '') {
+		if ($slo !== '') {
 			$settings['idp']['singleLogoutService'] = [
 				'url' => $this->config->getAppValue('user_saml', $prefix . 'idp-singleLogoutService.url', ''),
 			];
@@ -164,7 +162,7 @@ class SAMLSettings {
 			];
 
 			$sloResponseUrl = $this->config->getAppValue('user_saml', $prefix . 'idp-singleLogoutService.responseUrl', '');
-			if($sloResponseUrl !== '') {
+			if ($sloResponseUrl !== '') {
 				$settings['idp']['singleLogoutService']['responseUrl'] = $sloResponseUrl;
 			}
 		}
@@ -179,7 +177,6 @@ class SAMLSettings {
 	 * @return string
 	 */
 	public function getPrefix($setting = '') {
-
 		$prefix = '';
 		if (!empty($setting) && in_array($setting, $this->globalSettings)) {
 			return $prefix;
@@ -192,5 +189,4 @@ class SAMLSettings {
 
 		return $prefix;
 	}
-
 }
diff --git a/lib/Settings/Admin.php b/lib/Settings/Admin.php
index 5ed13dc..9423ad0 100644
--- a/lib/Settings/Admin.php
+++ b/lib/Settings/Admin.php
@@ -64,7 +64,7 @@ class Admin implements ISettings {
 			$providers[] = [
 				'id' => $id,
 				'name' => $name === '' ? $this->l10n->t('Provider ') . $id : $name
-				];
+			];
 		}
 		$serviceProviderFields = [
 			'x509cert' => $this->l10n->t('X.509 certificate of the Service Provider'),
@@ -86,7 +86,7 @@ class Admin implements ISettings {
 			'wantXMLValidation' => $this->l10n->t('Indicates if the SP will validate all received XML.'),
 		];
 		$securityGeneral = [
-			'lowercaseUrlencoding' =>  $this->l10n->t('ADFS URL-Encodes SAML data as lowercase, and the toolkit by default uses uppercase. Enable for ADFS compatibility on signature verification.'),
+			'lowercaseUrlencoding' => $this->l10n->t('ADFS URL-Encodes SAML data as lowercase, and the toolkit by default uses uppercase. Enable for ADFS compatibility on signature verification.'),
 			'signatureAlgorithm' => [
 				'type' => 'line',
 				'text' => $this->l10n->t('Algorithm that the toolkit will use on signing process.')
@@ -175,7 +175,7 @@ class Admin implements ISettings {
 		];
 
 		$type = $this->config->getAppValue('user_saml', 'type');
-		if($type === 'saml') {
+		if ($type === 'saml') {
 			$generalSettings['use_saml_auth_for_desktop'] = [
 				'text' => $this->l10n->t('Use SAML auth for the %s desktop clients (requires user re-authentication)', [$this->defaults->getName()]),
 				'type' => 'checkbox',
@@ -226,5 +226,4 @@ class Admin implements ISettings {
 	public function getPriority() {
 		return 0;
 	}
-
 }
diff --git a/lib/UserBackend.php b/lib/UserBackend.php
index c33fac2..d7c1f3a 100644
--- a/lib/UserBackend.php
+++ b/lib/UserBackend.php
@@ -35,7 +35,6 @@ use OCP\IConfig;
 use OCP\IURLGenerator;
 use OCP\ISession;
 use Symfony\Component\EventDispatcher\GenericEvent;
-use function base64_decode;
 
 class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	/** @var IConfig */
@@ -108,8 +107,8 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @param string $uid
 	 * @param array $attributes
 	 */
-	public function createUserIfNotExists($uid, array $attributes = array()) {
-		if(!$this->userExistsInDatabase($uid)) {
+	public function createUserIfNotExists($uid, array $attributes = []) {
+		if (!$this->userExistsInDatabase($uid)) {
 			$values = [
 				'uid' => $uid,
 			];
@@ -124,12 +123,12 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 			if ($home !== '') {
 				//if attribute's value is an absolute path take this, otherwise append it to data dir
 				//check for / at the beginning or pattern c:\ resp. c:/
-				if(   '/' !== $home[0]
+				if ('/' !== $home[0]
 				   && !(3 < strlen($home) && ctype_alpha($home[0])
 					   && $home[1] === ':' && ('\\' === $home[2] || '/' === $home[2]))
 				) {
 					$home = $this->config->getSystemValue('datadirectory',
-							\OC::$SERVERROOT.'/data' ) . '/' . $home;
+							\OC::$SERVERROOT.'/data') . '/' . $home;
 				}
 
 				$values['home'] = $home;
@@ -138,13 +137,12 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 			/* @var $qb IQueryBuilder */
 			$qb = $this->db->getQueryBuilder();
 			$qb->insert('user_saml_users');
-			foreach($values as $column => $value) {
+			foreach ($values as $column => $value) {
 				$qb->setValue($column, $qb->createNamedParameter($value));
 			}
 			$qb->execute();
 
 			$this->initializeHomeDir($uid);
-
 		}
 	}
 
@@ -204,8 +202,8 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 		$data = $result->fetchAll();
 		$result->closeCursor();
 
-		foreach($data as $passwords) {
-			if(password_verify($password, $passwords['token'])) {
+		foreach ($data as $passwords) {
+			if (password_verify($password, $passwords['token'])) {
 				return $uid;
 			}
 		}
@@ -220,7 +218,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @since 4.5.0
 	 */
 	public function deleteUser($uid) {
-		if($this->userExistsInDatabase($uid)) {
+		if ($this->userExistsInDatabase($uid)) {
 			/* @var $qb IQueryBuilder */
 			$qb = $this->db->getQueryBuilder();
 			$qb->delete('user_saml_users')
@@ -238,7 +236,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @return string
 	 */
 	public function getHome($uid) {
-		if($this->userExistsInDatabase($uid)) {
+		if ($this->userExistsInDatabase($uid)) {
 			$qb = $this->db->getQueryBuilder();
 			$qb->select('home')
 				->from('user_saml_users')
@@ -278,7 +276,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @since 4.5.0
 	 */
 	public function userExists($uid) {
-		if($backend = $this->getActualUserBackend($uid)) {
+		if ($backend = $this->getActualUserBackend($uid)) {
 			return $backend->userExists($uid);
 		} else {
 			return $this->userExistsInDatabase($uid);
@@ -286,7 +284,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	}
 
 	public function setDisplayName($uid, $displayName) {
-		if($backend = $this->getActualUserBackend($uid)) {
+		if ($backend = $this->getActualUserBackend($uid)) {
 			return $backend->setDisplayName($uid, $displayName);
 		}
 
@@ -310,10 +308,10 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @since 4.5.0
 	 */
 	public function getDisplayName($uid) {
-		if($backend = $this->getActualUserBackend($uid)) {
+		if ($backend = $this->getActualUserBackend($uid)) {
 			return $backend->getDisplayName($uid);
 		} else {
-			if($this->userExistsInDatabase($uid)) {
+			if ($this->userExistsInDatabase($uid)) {
 				$qb = $this->db->getQueryBuilder();
 				$qb->select('displayname')
 					->from('user_saml_users')
@@ -375,7 +373,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @since 4.5.0
 	 */
 	public function hasUserListings() {
-		if($this->autoprovisionAllowed()) {
+		if ($this->autoprovisionAllowed()) {
 			return true;
 		}
 
@@ -398,7 +396,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	public function getLogoutUrl() {
 		$prefix = $this->settings->getPrefix();
 		$slo = $this->config->getAppValue('user_saml', $prefix . 'idp-singleLogoutService.url', '');
-		if($slo === '') {
+		if ($slo === '') {
 			return '';
 		}
 
@@ -486,14 +484,14 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	public function getCurrentUserId() {
 		$user = \OC::$server->getUserSession()->getUser();
 
-		if($user instanceof IUser && $this->session->get('user_saml.samlUserData')) {
+		if ($user instanceof IUser && $this->session->get('user_saml.samlUserData')) {
 			$uid = $user->getUID();
 		} else {
 			$this->userData->setAttributes($this->session->get('user_saml.samlUserData') ?? []);
 			$uid = $this->userData->getEffectiveUid();
 		}
 
-		if($uid !== '' && $this->userExists($uid)) {
+		if ($uid !== '' && $this->userExists($uid)) {
 			$this->session->set('last-password-confirm', strtotime('+4 year', time()));
 			return $uid;
 		}
@@ -526,8 +524,8 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	 * @return null|UserInterface
 	 */
 	public function getActualUserBackend($uid) {
-		foreach(self::$backends as $backend) {
-			if($backend->userExists($uid)) {
+		foreach (self::$backends as $backend) {
+			if ($backend->userExists($uid)) {
 				return $backend;
 			}
 		}
@@ -545,8 +543,7 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 		self::$backends = $backends;
 	}
 
-	private function getAttributeKeys($name)
-	{
+	private function getAttributeKeys($name) {
 		$prefix = $this->settings->getPrefix($name);
 		$keys = explode(' ', $this->config->getAppValue('user_saml', $prefix . $name, ''));
 
@@ -560,17 +557,17 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 		$keys = $this->getAttributeKeys($name);
 
 		$value = '';
-		foreach($keys as $key) {
+		foreach ($keys as $key) {
 			if (isset($attributes[$key])) {
 				if (is_array($attributes[$key])) {
 					foreach ($attributes[$key] as $attribute_part_value) {
-						if($value !== '') {
+						if ($value !== '') {
 							$value .= ' ';
 						}
 						$value .= $attribute_part_value;
 					}
 				} else {
-					if($value !== '') {
+					if ($value !== '') {
 						$value .= ' ';
 					}
 					$value .= $attributes[$key];
@@ -584,8 +581,8 @@ class UserBackend implements IApacheBackend, UserInterface, IUserBackend {
 	private function getAttributeArrayValue($name, array $attributes) {
 		$keys = $this->getAttributeKeys($name);
 
-		$value = array();
-		foreach($keys as $key) {
+		$value = [];
+		foreach ($keys as $key) {
 			if (isset($attributes[$key])) {
 				if (is_array($attributes[$key])) {
 					$value = array_merge($value, array_values($attributes[$key]));
diff --git a/lib/UserData.php b/lib/UserData.php
index 098a9be..01613c4 100644
--- a/lib/UserData.php
+++ b/lib/UserData.php
@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 /**
  * @copyright Copyright (c) 2020 Arthur Schiwon <blizzz@arthur-schiwon.de>
@@ -67,7 +68,7 @@ class UserData {
 	}
 
 	public function getEffectiveUid(): string {
-		if($this->uid !== null) {
+		if ($this->uid !== null) {
 			return $this->uid;
 		}
 		$this->assertIsInitialized();
@@ -85,7 +86,7 @@ class UserData {
 	protected function extractSamlUserId(): string {
 		$prefix = $this->samlSettings->getPrefix();
 		$uidMapping = $this->config->getAppValue('user_saml', $prefix . 'general-uid_mapping');
-		if(isset($this->attributes[$uidMapping])) {
+		if (isset($this->attributes[$uidMapping])) {
 			if (is_array($this->attributes[$uidMapping])) {
 				return trim($this->attributes[$uidMapping][0]);
 			} else {
@@ -107,13 +108,13 @@ class UserData {
 		}
 
 		$candidate = base64_decode($uid, true);
-		if($candidate === false) {
+		if ($candidate === false) {
 			return $uid;
 		}
 		$candidate = $this->convertObjectGUID2Str($candidate);
 		// the regex only matches the structure of the UUID, not its semantic
 		// (i.e. version or variant) simply to be future compatible
-		if(preg_match('/^[a-f0-9]{8}(-[a-f0-9]{4}){4}[a-f0-9]{8}$/i', $candidate) === 1) {
+		if (preg_match('/^[a-f0-9]{8}(-[a-f0-9]{4}){4}[a-f0-9]{8}$/i', $candidate) === 1) {
 			$uid = $candidate;
 		}
 		return $uid;
@@ -125,15 +126,15 @@ class UserData {
 	protected function convertObjectGUID2Str($oguid): string {
 		$hex_guid = bin2hex($oguid);
 		$hex_guid_to_guid_str = '';
-		for($k = 1; $k <= 4; ++$k) {
+		for ($k = 1; $k <= 4; ++$k) {
 			$hex_guid_to_guid_str .= substr($hex_guid, 8 - 2 * $k, 2);
 		}
 		$hex_guid_to_guid_str .= '-';
-		for($k = 1; $k <= 2; ++$k) {
+		for ($k = 1; $k <= 2; ++$k) {
 			$hex_guid_to_guid_str .= substr($hex_guid, 12 - 2 * $k, 2);
 		}
 		$hex_guid_to_guid_str .= '-';
-		for($k = 1; $k <= 2; ++$k) {
+		for ($k = 1; $k <= 2; ++$k) {
 			$hex_guid_to_guid_str .= substr($hex_guid, 16 - 2 * $k, 2);
 		}
 		$hex_guid_to_guid_str .= '-' . substr($hex_guid, 16, 4);
@@ -143,7 +144,7 @@ class UserData {
 	}
 
 	protected function assertIsInitialized() {
-		if($this->attributes === null) {
+		if ($this->attributes === null) {
 			throw new \LogicException('UserData have to be initialized with setAttributes first');
 		}
 	}
diff --git a/lib/UserResolver.php b/lib/UserResolver.php
index 8a0c43b..d65daa1 100644
--- a/lib/UserResolver.php
+++ b/lib/UserResolver.php
@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 /**
  * @copyright Copyright (c) 2020 Arthur Schiwon <blizzz@arthur-schiwon.de>
@@ -40,18 +41,18 @@ class UserResolver {
 	 * @throws NoUserFoundException
 	 */
 	public function findExistingUserId(string $rawUidCandidate, bool $force = false): string {
-		if($force) {
+		if ($force) {
 			$this->ensureUser($rawUidCandidate);
 		}
-		if($this->userManager->userExists($rawUidCandidate)) {
+		if ($this->userManager->userExists($rawUidCandidate)) {
 			return $rawUidCandidate;
 		}
 		try {
 			$sanitized = $this->sanitizeUserIdCandidate($rawUidCandidate);
-		} catch(\InvalidArgumentException $e) {
+		} catch (\InvalidArgumentException $e) {
 			$sanitized = '';
 		}
-		if($this->userManager->userExists($sanitized)) {
+		if ($this->userManager->userExists($sanitized)) {
 			return $sanitized;
 		}
 		throw new NoUserFoundException('User' . $rawUidCandidate . ' not valid or not found');
@@ -63,7 +64,7 @@ class UserResolver {
 	public function findExistingUser(string $rawUidCandidate): IUser {
 		$uid = $this->findExistingUserId($rawUidCandidate);
 		$user = $this->userManager->get($uid);
-		if($user === null) {
+		if ($user === null) {
 			throw new NoUserFoundException('User' . $rawUidCandidate . ' not valid or not found');
 		}
 		return $user;
@@ -73,7 +74,7 @@ class UserResolver {
 		try {
 			$this->findExistingUserId($uid, $force);
 			return true;
-		} catch(NoUserFoundException $e) {
+		} catch (NoUserFoundException $e) {
 			return false;
 		}
 	}
@@ -91,7 +92,7 @@ class UserResolver {
 
 		// Transliteration to ASCII
 		$transliterated = @iconv('UTF-8', 'ASCII//TRANSLIT', $sanitized);
-		if($transliterated !== false) {
+		if ($transliterated !== false) {
 			// depending on system config iconv can work or not
 			$sanitized = $transliterated;
 		}
@@ -102,7 +103,7 @@ class UserResolver {
 		// Every remaining disallowed characters will be removed
 		$sanitized = preg_replace('/[^a-zA-Z0-9_.@-]/u', '', $sanitized);
 
-		if($sanitized === '') {
+		if ($sanitized === '') {
 			throw new \InvalidArgumentException('provided name template for username does not contain any allowed characters');
 		}
 
diff --git a/templates/admin.php b/templates/admin.php
index 6d1b754..4d03984 100644
--- a/templates/admin.php
+++ b/templates/admin.php
@@ -52,15 +52,15 @@ style('user_saml', 'admin');
 
 	<div id="user-saml-global" class="hidden">
 		<h3><?php p($l->t('Global settings')) ?></h3>
-		<?php foreach($_['general'] as $key => $attribute): ?>
-			<?php if($attribute['type'] === 'checkbox' && $attribute['global']): ?>
+		<?php foreach ($_['general'] as $key => $attribute): ?>
+			<?php if ($attribute['type'] === 'checkbox' && $attribute['global']): ?>
 				<p>
 					<input type="checkbox" data-key="<?php p($key)?>" id="user-saml-general-<?php p($key)?>" name="<?php p($key)?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'general-'.$key, '0')) ?>">
 					<label for="user-saml-general-<?php p($key)?>"><?php p($attribute['text']) ?></label><br/>
 				</p>
-			<?php elseif($attribute['type'] === 'line' && isset($attribute['global'])): ?>
+			<?php elseif ($attribute['type'] === 'line' && isset($attribute['global'])): ?>
 				<p>
-					<input data-key="<?php p($key)?>" name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'general-'.$key, '')) ?>" type="text" <?php if(isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="<?php p($attribute['text']) ?>"/>
+					<input data-key="<?php p($key)?>" name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'general-'.$key, '')) ?>" type="text" <?php if (isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="<?php p($attribute['text']) ?>"/>
 				</p>
 			<?php endif; ?>
 		<?php endforeach; ?>
@@ -82,15 +82,15 @@ style('user_saml', 'admin');
 			<h3>
 				<?php p($l->t('General')) ?>
 			</h3>
-			<?php foreach($_['general'] as $key => $attribute): ?>
-				<?php if($attribute['type'] === 'checkbox' && !$attribute['global']): ?>
+			<?php foreach ($_['general'] as $key => $attribute): ?>
+				<?php if ($attribute['type'] === 'checkbox' && !$attribute['global']): ?>
 					<p>
 						<input type="checkbox" data-key="<?php p($key)?>" id="user-saml-general-<?php p($key)?>" name="<?php p($key)?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'general-'.$key, '0')) ?>">
 						<label for="user-saml-general-<?php p($key)?>"><?php p($attribute['text']) ?></label><br/>
 					</p>
-				<?php elseif($attribute['type'] === 'line' && !isset($attribute['global'])): ?>
+				<?php elseif ($attribute['type'] === 'line' && !isset($attribute['global'])): ?>
 					<p>
-						<input data-key="<?php p($key)?>" name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'general-'.$key, '')) ?>" type="text" <?php if(isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="<?php p($attribute['text']) ?>"/>
+						<input data-key="<?php p($key)?>" name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'general-'.$key, '')) ?>" type="text" <?php if (isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="<?php p($attribute['text']) ?>"/>
 					</p>
 				<?php endif; ?>
 			<?php endforeach; ?>
@@ -109,12 +109,14 @@ style('user_saml', 'admin');
 				<label for="user-saml-nameidformat"><?php p($l->t('Name ID format')) ?></label><br/>
 				<select id="user-saml-nameidformat"
 						name="name-id-format">
-					<?php foreach($_['name-id-formats'] as $key => $value): ?>
+					<?php foreach ($_['name-id-formats'] as $key => $value): ?>
 					<option value="<?php p($key) ?>"
-						<?php if ($value['selected'] ?? false) { p("selected"); } ?> ><?php p($value['label']) ?></option>
+						<?php if ($value['selected'] ?? false) {
+			p("selected");
+		} ?> ><?php p($value['label']) ?></option>
 					<?php endforeach; ?>
 				</select>
-				<?php foreach($_['sp'] as $key => $text): ?>
+				<?php foreach ($_['sp'] as $key => $text): ?>
 					<p>
 						<textarea name="<?php p($key) ?>" placeholder="<?php p($text) ?>"><?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'sp-'.$key, '')) ?></textarea>
 					</p>
@@ -145,11 +147,11 @@ style('user_saml', 'admin');
 			</p>
 
 			<div class="hidden">
-				<?php foreach($_['attribute-mapping'] as $key => $attribute): ?>
+				<?php foreach ($_['attribute-mapping'] as $key => $attribute): ?>
 					<?php
-					if($attribute['type'] === 'line'): ?>
+					if ($attribute['type'] === 'line'): ?>
 					<p>
-						<input name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'saml-attribute-mapping-'.$key, '')) ?>" type="text" <?php if(isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="<?php p($attribute['text']) ?>"/>
+						<input name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'saml-attribute-mapping-'.$key, '')) ?>" type="text" <?php if (isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="<?php p($attribute['text']) ?>"/>
 					</p>
 					<?php endif; ?>
 				<?php endforeach; ?>
@@ -164,26 +166,26 @@ style('user_saml', 'admin');
 			</p>
 			<div class="indent hidden">
 				<h4><?php p($l->t('Signatures and encryption offered')) ?></h4>
-				<?php foreach($_['security-offer'] as $key => $text): ?>
+				<?php foreach ($_['security-offer'] as $key => $text): ?>
 					<p>
 						<input type="checkbox" id="user-saml-<?php p($key)?>" name="<?php p($key)?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'security-'.$key, '0')) ?>" class="checkbox">
 						<label for="user-saml-<?php p($key)?>"><?php p($text) ?></label><br/>
 					</p>
 				<?php endforeach; ?>
 				<h4><?php p($l->t('Signatures and encryption required')) ?></h4>
-				<?php foreach($_['security-required'] as $key => $text): ?>
+				<?php foreach ($_['security-required'] as $key => $text): ?>
 					<p>
 						<input type="checkbox" id="user-saml-<?php p($key)?>" name="<?php p($key)?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'security-'.$key, '0')) ?>" class="checkbox">
 						<label for="user-saml-<?php p($key)?>"><?php p($text) ?></label>
 					</p>
 				<?php endforeach; ?>
 				<h4><?php p($l->t('General')) ?></h4>
-				<?php foreach($_['security-general'] as $key => $attribute): ?>
+				<?php foreach ($_['security-general'] as $key => $attribute): ?>
 					<?php if (is_array($attribute) && $attribute['type'] === 'line') { ?>
 						<?php $text = $attribute['text'] ?>
 						<p>
 							<label><?php p($attribute['text']) ?></label><br />
-							<input data-key="<?php p($key)?>" name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'security-'.$key, '')) ?>" type="text" <?php if(isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
+							<input data-key="<?php p($key)?>" name="<?php p($key) ?>" value="<?php p(\OC::$server->getConfig()->getAppValue('user_saml', 'security-'.$key, '')) ?>" type="text" <?php if (isset($attribute['required']) && $attribute['required'] === true): ?>class="required"<?php endif;?> placeholder="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
 						</p>
 					<?php } else { ?>
 						<?php $text = $attribute ?>
diff --git a/templates/selectUserBackEnd.php b/templates/selectUserBackEnd.php
index 7d29002..3a2c143 100644
--- a/templates/selectUserBackEnd.php
+++ b/templates/selectUserBackEnd.php
@@ -10,21 +10,21 @@ script('user_saml', 'selectUserBackEnd');
 
 <h1><?php p($l->t('Login options:')); ?></h1>
 
-	<?php if($_['useCombobox']) { ?>
+	<?php if ($_['useCombobox']) { ?>
 
 		<select class="login-chose-saml-idp" id="av_mode" name="avMode">
 			<option value=""><?php p($l->t('Choose a authentication provider')); ?></option>
 			<?php foreach ($_['loginUrls']['ssoLogin'] as $idp) { ?>
 				<option value="<?php p($idp['url']); ?>"><?php p($idp['display-name']); ?></option>
 			<?php } ?>
-			<?php if(isset($_['loginUrls']['directLogin'])) : ?>
+			<?php if (isset($_['loginUrls']['directLogin'])) : ?>
 				<option value="<?php p($_['loginUrls']['directLogin']['url']); ?>"><?php p($_['loginUrls']['directLogin']['display-name']); ?></option>
 			<?php endif; ?>
 		</select>
 
 	<?php } else { ?>
 
-		<?php if(isset($_['loginUrls']['directLogin'])) : ?>
+		<?php if (isset($_['loginUrls']['directLogin'])) : ?>
 			<div class="login-option">
 				<a href="<?php p($_['loginUrls']['directLogin']['url']); ?>"><?php p($_['loginUrls']['directLogin']['display-name']); ?></a>
 			</div>
diff --git a/tests/integration/features/bootstrap/FeatureContext.php b/tests/integration/features/bootstrap/FeatureContext.php
index 20b975e..b7e9f0f 100644
--- a/tests/integration/features/bootstrap/FeatureContext.php
+++ b/tests/integration/features/bootstrap/FeatureContext.php
@@ -41,12 +41,10 @@ class FeatureContext implements Context {
 			'cookies' => $jar,
 			'verify' => false,
 			'allow_redirects' => [
-				'referer'         => true,
+				'referer' => true,
 				'track_redirects' => true,
 			],
 		]);
-
-
 	}
 
 	/** @AfterScenario */
@@ -55,7 +53,7 @@ class FeatureContext implements Context {
 			'student1',
 		];
 
-		foreach($users as $user) {
+		foreach ($users as $user) {
 			shell_exec(
 				sprintf(
 					'sudo -u apache %s %s user:delete %s',
@@ -66,7 +64,7 @@ class FeatureContext implements Context {
 			);
 		}
 
-		foreach($this->changedSettings as $setting) {
+		foreach ($this->changedSettings as $setting) {
 			shell_exec(
 				sprintf(
 					'sudo -u apache %s %s config:app:delete user_saml %s',
@@ -135,10 +133,10 @@ class FeatureContext implements Context {
 		];
 
 		// Remove everything after a comma in the URL since cookies are passed there
-		list($url['path'])=explode(';', $url['path']);
+		[$url['path']] = explode(';', $url['path']);
 
-		foreach($paramsToCheck as $param) {
-			if($targetUrl[$param] !== $url[$param]) {
+		foreach ($paramsToCheck as $param) {
+			if ($targetUrl[$param] !== $url[$param]) {
 				throw new InvalidArgumentException(
 					sprintf(
 						'Expected %s for parameter %s, got %s',
@@ -181,10 +179,9 @@ class FeatureContext implements Context {
 		$inputElements = $xpath->query('//input');
 		if (is_object($inputElements)) {
 			/** @var DOMElement $node */
-			foreach($inputElements as $node) {
-				$postData[$node->getAttribute('name')] =  $node->getAttribute('value');
+			foreach ($inputElements as $node) {
+				$postData[$node->getAttribute('name')] = $node->getAttribute('value');
 			}
-
 		}
 
 		$this->response = $this->client->request(
@@ -203,7 +200,7 @@ class FeatureContext implements Context {
 	 * @param string $value
 	 * @throws UnexpectedValueException
 	 */
-	public function thUserValueShouldBe($key, $value)  {
+	public function thUserValueShouldBe($key, $value) {
 		$this->response = $this->client->request(
 			'GET',
 			'http://localhost/ocs/v1.php/cloud/user',
@@ -223,7 +220,7 @@ class FeatureContext implements Context {
 		}
 		$actualValue = $responseArray['data'][$key];
 
-		if($actualValue !== $value) {
+		if ($actualValue !== $value) {
 			throw new UnexpectedValueException(
 				sprintf(
 					'Expected %s as value but got %s',
@@ -267,7 +264,7 @@ class FeatureContext implements Context {
 
 		$response = trim($response);
 		$expectedStringStart = "$uid`s last login: ";
-		if(substr($response, 0, strlen($expectedStringStart)) !== $expectedStringStart) {
+		if (substr($response, 0, strlen($expectedStringStart)) !== $expectedStringStart) {
 			throw new UnexpectedValueException("Expected last login message, found instead '$response'");
 		}
 	}
@@ -275,7 +272,7 @@ class FeatureContext implements Context {
 	/**
 	 * @Given The environment variable :key is set to :value
 	 */
-	public function theEnvironmentVariableIsSetTo($key, $value)  {
+	public function theEnvironmentVariableIsSetTo($key, $value) {
 		file_put_contents(__DIR__ . '/../../../../../../.htaccess', "\nSetEnv $key $value\n", FILE_APPEND);
 	}
 }
diff --git a/tests/unit/AppInfo/ApplicationTest.php b/tests/unit/AppInfo/ApplicationTest.php
index 27fba0a..672223d 100644
--- a/tests/unit/AppInfo/ApplicationTest.php
+++ b/tests/unit/AppInfo/ApplicationTest.php
@@ -25,10 +25,9 @@
 namespace OCA\User_SAML\Tests\AppInfo;
 
 use OCA\User_SAML\AppInfo\Application;
-use OCA\User_SAML\Controller\SAMLController;
 use OCA\User_SAML\Middleware\OnlyLoggedInMiddleware;
 
-class ApplicationTest extends \Test\TestCase  {
+class ApplicationTest extends \Test\TestCase {
 	/** @var Application */
 	protected $app;
 	/** @var \OCP\AppFramework\IAppContainer */
@@ -49,7 +48,6 @@ class ApplicationTest extends \Test\TestCase  {
 		return [
 			['OnlyLoggedInMiddleware', OnlyLoggedInMiddleware::class],
 		];
-
 	}
 
 	/**
diff --git a/tests/unit/AppInfo/RoutesTest.php b/tests/unit/AppInfo/RoutesTest.php
index 3207acb..a72c7f9 100644
--- a/tests/unit/AppInfo/RoutesTest.php
+++ b/tests/unit/AppInfo/RoutesTest.php
@@ -23,9 +23,9 @@ namespace OCA\User_SAML\Tests\AppInfo;
 
 use Test\TestCase;
 
-class Test extends TestCase  {
+class Test extends TestCase {
 	public function testFile() {
-		$dir =__DIR__;
+		$dir = __DIR__;
 		$routes = require_once __DIR__ . '/../../../appinfo/routes.php';
 
 		$expected = [
diff --git a/tests/unit/Command/GetMetadataTest.php b/tests/unit/Command/GetMetadataTest.php
index 2ab745c..14ee71f 100644
--- a/tests/unit/Command/GetMetadataTest.php
+++ b/tests/unit/Command/GetMetadataTest.php
@@ -30,73 +30,72 @@ use OCP\IRequest;
 use OCP\ISession;
 use OCP\IURLGenerator;
 
-
 class GetMetadataTest extends \Test\TestCase {
 
-    /** @var GetMetadata|\PHPUnit_Framework_MockObject_MockObject*/
-    protected $GetMetadata;
-    /** @var IRequest|\PHPUnit_Framework_MockObject_MockObject */
-    private $request;
-    /** @var ISession|\PHPUnit_Framework_MockObject_MockObject */
-    private $session;
-    /** @var SAMLSettings|\PHPUnit_Framework_MockObject_MockObject*/
-    private $samlSettings;
-    /** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
-    private $config;
-    /** @var IURLGenerator|\PHPUnit_Framework_MockObject_MockObject */
-    private $urlGenerator;
+	/** @var GetMetadata|\PHPUnit_Framework_MockObject_MockObject*/
+	protected $GetMetadata;
+	/** @var IRequest|\PHPUnit_Framework_MockObject_MockObject */
+	private $request;
+	/** @var ISession|\PHPUnit_Framework_MockObject_MockObject */
+	private $session;
+	/** @var SAMLSettings|\PHPUnit_Framework_MockObject_MockObject*/
+	private $samlSettings;
+	/** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	private $config;
+	/** @var IURLGenerator|\PHPUnit_Framework_MockObject_MockObject */
+	private $urlGenerator;
 
 
-    protected function setUp(): void {
-        $this->urlGenerator = $this->createMock(IURLGenerator::class);
-        $this->config = $this->createMock(IConfig::class);
-        $this->request = $this->createMock(IRequest::class);
-        $this->session = $this->createMock(ISession::class);
+	protected function setUp(): void {
+		$this->urlGenerator = $this->createMock(IURLGenerator::class);
+		$this->config = $this->createMock(IConfig::class);
+		$this->request = $this->createMock(IRequest::class);
+		$this->session = $this->createMock(ISession::class);
 
-        $this->samlSettings = new SAMLSettings($this->urlGenerator,
-                                $this->config,
-                                $this->request,
-                                $this->session);
-        $this->GetMetadata = new GetMetadata($this->samlSettings);
+		$this->samlSettings = new SAMLSettings($this->urlGenerator,
+								$this->config,
+								$this->request,
+								$this->session);
+		$this->GetMetadata = new GetMetadata($this->samlSettings);
 
-        parent::setUp();
-    }
+		parent::setUp();
+	}
 
-    public function testGetMetadata(){
-          $inputInterface = $this->createMock(InputInterface::class);
-          $outputInterface = $this->createMock(OutputInterface::class);
-          $this->urlGenerator
-            ->expects($this->at(0))
-            ->method('linkToRouteAbsolute')
-            ->with('user_saml.SAML.base')
-            ->willReturn('https://nextcloud.com/base/');
-          $this->urlGenerator
-            ->expects($this->at(1))
-            ->method('linkToRouteAbsolute')
-            ->with('user_saml.SAML.getMetadata')
-            ->willReturn('https://nextcloud.com/metadata/');
-          $this->urlGenerator
-            ->expects($this->at(2))
-            ->method('linkToRouteAbsolute')
-            ->with('user_saml.SAML.assertionConsumerService')
-            ->willReturn('https://nextcloud.com/acs/');
-          $this->config->expects($this->any())->method('getAppValue')
-             ->willReturnCallback(function($app, $key, $default) {
-                 if ($key == 'idp-entityId') {
-                     return "dummy";
-                 }
-                 if ($key == 'idp-singleSignOnService.url') {
-                     return "https://example.com/sso";
-                 }
-                 if ($key == 'idp-x509cert') {
-                     return "DUMMY CERTIFICATE";
-                 }
-                 return $default;
-             });
+	public function testGetMetadata() {
+		$inputInterface = $this->createMock(InputInterface::class);
+		$outputInterface = $this->createMock(OutputInterface::class);
+		$this->urlGenerator
+			->expects($this->at(0))
+			->method('linkToRouteAbsolute')
+			->with('user_saml.SAML.base')
+			->willReturn('https://nextcloud.com/base/');
+		$this->urlGenerator
+			->expects($this->at(1))
+			->method('linkToRouteAbsolute')
+			->with('user_saml.SAML.getMetadata')
+			->willReturn('https://nextcloud.com/metadata/');
+		$this->urlGenerator
+			->expects($this->at(2))
+			->method('linkToRouteAbsolute')
+			->with('user_saml.SAML.assertionConsumerService')
+			->willReturn('https://nextcloud.com/acs/');
+		$this->config->expects($this->any())->method('getAppValue')
+			 ->willReturnCallback(function ($app, $key, $default) {
+			 	if ($key == 'idp-entityId') {
+			 		return "dummy";
+			 	}
+			 	if ($key == 'idp-singleSignOnService.url') {
+			 		return "https://example.com/sso";
+			 	}
+			 	if ($key == 'idp-x509cert') {
+			 		return "DUMMY CERTIFICATE";
+			 	}
+			 	return $default;
+			 });
 
-          $outputInterface->expects($this->once())->method('writeln')
-              ->with($this->stringContains('md:EntityDescriptor'));
+		$outputInterface->expects($this->once())->method('writeln')
+			  ->with($this->stringContains('md:EntityDescriptor'));
 
-          $this->invokePrivate($this->GetMetadata, 'execute', [$inputInterface, $outputInterface]);
-    }
+		$this->invokePrivate($this->GetMetadata, 'execute', [$inputInterface, $outputInterface]);
+	}
 }
diff --git a/tests/unit/Controller/SAMLControllerTest.php b/tests/unit/Controller/SAMLControllerTest.php
index 7700ab5..57d75dc 100644
--- a/tests/unit/Controller/SAMLControllerTest.php
+++ b/tests/unit/Controller/SAMLControllerTest.php
@@ -42,7 +42,7 @@ use PHPUnit\Framework\MockObject\MockObject;
 use OCP\Security\ICrypto;
 use Test\TestCase;
 
-class SAMLControllerTest extends TestCase  {
+class SAMLControllerTest extends TestCase {
 	/** @var UserResolver|\PHPUnit\Framework\MockObject\MockObject */
 	protected $userResolver;
 	/** @var UserData|\PHPUnit\Framework\MockObject\MockObject */
@@ -87,15 +87,15 @@ class SAMLControllerTest extends TestCase  {
 		$this->crypto = $this->createMock(ICrypto::class);
 
 		$this->l->expects($this->any())->method('t')->willReturnCallback(
-			function($param) {
+			function ($param) {
 				return $param;
 			}
 		);
 
 		$this->config->expects($this->any())->method('getSystemValue')
-			->willReturnCallback(function($key, $default) {
-			return $default;
-		});
+			->willReturnCallback(function ($key, $default) {
+				return $default;
+			});
 
 		$this->samlController = new SAMLController(
 			'user_saml',
@@ -112,7 +112,6 @@ class SAMLControllerTest extends TestCase  {
 			$this->userData,
 			$this->crypto
 		);
-
 	}
 
 	public function testLoginWithInvalidAppValue() {
@@ -217,11 +216,11 @@ class SAMLControllerTest extends TestCase  {
 		$this->config->expects($this->any())
 			->method('getAppValue')
 			->willReturnCallback(function (string $app, string $key) {
-				if($app === 'user_saml') {
-					if($key === 'type') {
+				if ($app === 'user_saml') {
+					if ($key === 'type') {
 						return 'environment-variable';
 					}
-					if($key === 'general-uid_mapping') {
+					if ($key === 'general-uid_mapping') {
 						return 'uid';
 					}
 				}
@@ -261,7 +260,7 @@ class SAMLControllerTest extends TestCase  {
 			->method('getEffectiveUid')
 			->willReturn($userState > 0 ? 'MyUid' : '');
 
-		if(strpos($redirect, 'notProvisioned') !== false) {
+		if (strpos($redirect, 'notProvisioned') !== false) {
 			$this->urlGenerator
 				->expects($this->once())
 				->method('linkToRouteAbsolute')
@@ -280,14 +279,14 @@ class SAMLControllerTest extends TestCase  {
 			->with('MyUid')
 			->willReturn($userState === 1);
 
-		if(isset($samlUserData['uid']) && !($userState === 0 && $autoProvision === 0)) {
+		if (isset($samlUserData['uid']) && !($userState === 0 && $autoProvision === 0)) {
 			/** @var IUser|MockObject $user */
 			$user = $this->createMock(IUser::class);
 			$im = $this->userResolver
 				->expects($this->once())
 				->method('findExistingUser')
 				->with('MyUid');
-			if($autoProvision < 2) {
+			if ($autoProvision < 2) {
 				$im->willReturn($user);
 			} else {
 				$im->willThrowException(new NoUserFoundException());
@@ -297,13 +296,13 @@ class SAMLControllerTest extends TestCase  {
 				->expects($this->exactly((int)($autoProvision < 2)))
 				->method('updateLastLoginTimestamp');
 
-			if($userState === 0) {
+			if ($userState === 0) {
 				$this->userResolver
 					->expects($this->any())
 					->method('findExistingUserId')
 					->with('MyUid', true)
 					->willThrowException(new NoUserFoundException());
-			} else if($userState === 2) {
+			} elseif ($userState === 2) {
 				$this->userResolver
 					->expects($this->any())
 					->method('findExistingUserId')
diff --git a/tests/unit/Middleware/OnlyLoggedInMiddlewareTest.php b/tests/unit/Middleware/OnlyLoggedInMiddlewareTest.php
index 9927cd9..15bea5b 100644
--- a/tests/unit/Middleware/OnlyLoggedInMiddlewareTest.php
+++ b/tests/unit/Middleware/OnlyLoggedInMiddlewareTest.php
@@ -24,13 +24,12 @@ namespace OCA\User_SAML\Tests\Middleware;
 use Exception;
 use OCA\User_SAML\Middleware\OnlyLoggedInMiddleware;
 use OCP\AppFramework\Controller;
-use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Utility\IControllerMethodReflector;
 use OCP\IURLGenerator;
 use OCP\IUserSession;
 
-class OnlyLoggedInMiddlewareTest extends \Test\TestCase  {
+class OnlyLoggedInMiddlewareTest extends \Test\TestCase {
 	/** @var IURLGenerator|\PHPUnit\Framework\MockObject\MockObject */
 	protected $urlGenerator;
 	/** @var IControllerMethodReflector|\PHPUnit_Framework_MockObject_MockObject */
diff --git a/tests/unit/Settings/AdminTest.php b/tests/unit/Settings/AdminTest.php
index 7a97eb8..03d1df2 100644
--- a/tests/unit/Settings/AdminTest.php
+++ b/tests/unit/Settings/AdminTest.php
@@ -27,7 +27,7 @@ use OCP\IConfig;
 use OCP\IL10N;
 use OneLogin\Saml2\Constants;
 
-class AdminTest extends \Test\TestCase  {
+class AdminTest extends \Test\TestCase {
 	/** @var \OCA\User_SAML\Settings\Admin */
 	private $admin;
 	/** @var IL10N|\PHPUnit_Framework_MockObject_MockObject */
@@ -55,7 +55,7 @@ class AdminTest extends \Test\TestCase  {
 		$this->l10n
 			->expects($this->any())
 			->method('t')
-			->will($this->returnCallback(function($text, $parameters = array()) {
+			->will($this->returnCallback(function ($text, $parameters = []) {
 				return vsprintf($text, $parameters);
 			}));
 
diff --git a/tests/unit/Settings/SectionTest.php b/tests/unit/Settings/SectionTest.php
index e0253ce..e049d71 100644
--- a/tests/unit/Settings/SectionTest.php
+++ b/tests/unit/Settings/SectionTest.php
@@ -24,7 +24,7 @@ namespace OCA\User_SAML\Tests\Settings;
 use OCP\IL10N;
 use OCP\IURLGenerator;
 
-class SectionTest extends \Test\TestCase  {
+class SectionTest extends \Test\TestCase {
 	/** @var \OCA\User_SAML\Settings\Section */
 	private $section;
 	/** @var IL10N|\PHPUnit_Framework_MockObject_MockObject */
diff --git a/tests/unit/UserBackendTest.php b/tests/unit/UserBackendTest.php
index 3bc4f50..8fdc89e 100644
--- a/tests/unit/UserBackendTest.php
+++ b/tests/unit/UserBackendTest.php
@@ -35,7 +35,7 @@ use OCP\IUser;
 use OCP\IUserManager;
 use Test\TestCase;
 
-class UserBackendTest extends TestCase   {
+class UserBackendTest extends TestCase {
 	/** @var UserData|\PHPUnit\Framework\MockObject\MockObject */
 	private $userData;
 	/** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
@@ -72,7 +72,7 @@ class UserBackendTest extends TestCase   {
 	}
 
 	public function getMockedBuilder(array $mockedFunctions = []) {
-		if($mockedFunctions !== []) {
+		if ($mockedFunctions !== []) {
 			$this->userBackend = $this->getMockBuilder(UserBackend::class)
 				->setConstructorArgs([
 					$this->config,
@@ -307,5 +307,4 @@ class UserBackendTest extends TestCase   {
 			->with('ExistingUser', 'New Displayname');
 		$this->userBackend->updateAttributes('ExistingUser', ['email' => 'new@example.com', 'displayname' => 'New Displayname', 'quota' => '']);
 	}
-
 }
diff --git a/tests/unit/UserDataTest.php b/tests/unit/UserDataTest.php
index a27f6b2..6e0f434 100644
--- a/tests/unit/UserDataTest.php
+++ b/tests/unit/UserDataTest.php
@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 /**
  * @copyright Copyright (c) 2020 Arthur Schiwon <blizzz@arthur-schiwon.de>
diff --git a/tests/unit/bootstrap.php b/tests/unit/bootstrap.php
index 3ee3cf5..263f672 100644
--- a/tests/unit/bootstrap.php
+++ b/tests/unit/bootstrap.php
@@ -25,7 +25,7 @@ if (!defined('PHPUNIT_RUN')) {
 require_once __DIR__.'/../../../../lib/base.php';
 \OC::$loader->addValidRoot(\OC::$SERVERROOT . '/tests');
 \OC_App::loadApp('user_saml');
-if(!class_exists('\PHPUnit\Framework\TestCase')) {
+if (!class_exists('\PHPUnit\Framework\TestCase')) {
 	require_once('PHPUnit/Autoload.php');
 }
 OC_Hook::clear();