Replace wrong PHPDocs

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

40 files changed, 132 insertions, 110 deletions

diff --git a/lib/private/Files/Storage/Common.php b/lib/private/Files/Storage/Common.php
index 5a57532f71c..b842d86f6a7 100644
--- a/lib/private/Files/Storage/Common.php
+++ b/lib/private/Files/Storage/Common.php
@@ -52,6 +52,7 @@ use OCP\Files\InvalidDirectoryException;
 use OCP\Files\InvalidPathException;
 use OCP\Files\ReservedWordException;
 use OCP\Files\Storage\ILockingStorage;
+use OCP\Files\Storage\IStorage;
 use OCP\Lock\ILockingProvider;
 use OCP\Lock\LockedException;
 
@@ -578,13 +579,13 @@ abstract class Common implements Storage, ILockingStorage {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @param bool $preserveMtime
 	 * @return bool
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $targetInternalPath);
 		}
@@ -625,12 +626,12 @@ abstract class Common implements Storage, ILockingStorage {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			return $this->rename($sourceInternalPath, $targetInternalPath);
 		}
diff --git a/lib/private/Files/Storage/FailedStorage.php b/lib/private/Files/Storage/FailedStorage.php
index f717c798c5a..d2aae33bb21 100644
--- a/lib/private/Files/Storage/FailedStorage.php
+++ b/lib/private/Files/Storage/FailedStorage.php
@@ -25,6 +25,7 @@
 namespace OC\Files\Storage;
 
 use OC\Files\Cache\FailedCache;
+use OCP\Files\Storage\IStorage;
 use \OCP\Lock\ILockingProvider;
 use \OCP\Files\StorageNotAvailableException;
 
@@ -183,11 +184,11 @@ class FailedStorage extends Common {
 		return true;
 	}
 
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		throw new StorageNotAvailableException($this->e->getMessage(), $this->e->getCode(), $this->e);
 	}
 
diff --git a/lib/private/Files/Storage/Local.php b/lib/private/Files/Storage/Local.php
index 70cb2e0ccc4..c19427e5f9b 100644
--- a/lib/private/Files/Storage/Local.php
+++ b/lib/private/Files/Storage/Local.php
@@ -37,6 +37,7 @@ namespace OC\Files\Storage;
 
 use OC\Files\Storage\Wrapper\Jail;
 use OCP\Files\ForbiddenException;
+use OCP\Files\Storage\IStorage;
 
 /**
  * for local filestore, we only have to map the paths
@@ -404,12 +405,12 @@ class Local extends \OC\Files\Storage\Common {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
 		if ($sourceStorage->instanceOfStorage('\OC\Files\Storage\Local')) {
 			/**
 			 * @var \OC\Files\Storage\Local $sourceStorage
@@ -422,12 +423,12 @@ class Local extends \OC\Files\Storage\Common {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage->instanceOfStorage(Local::class)) {
 			if ($sourceStorage->instanceOfStorage(Jail::class)) {
 				/**
diff --git a/lib/private/Files/Storage/Wrapper/Availability.php b/lib/private/Files/Storage/Wrapper/Availability.php
index 2a44a3a17d5..1fd38b5d6b7 100644
--- a/lib/private/Files/Storage/Wrapper/Availability.php
+++ b/lib/private/Files/Storage/Wrapper/Availability.php
@@ -22,6 +22,8 @@
  */
 namespace OC\Files\Storage\Wrapper;
 
+use OCP\Files\Storage\IStorage;
+
 /**
  * Availability checker for storages
  *
@@ -432,7 +434,7 @@ class Availability extends Wrapper {
 	}
 
 	/** {@inheritdoc} */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		$this->checkAvailability();
 		try {
 			return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
@@ -443,7 +445,7 @@ class Availability extends Wrapper {
 	}
 
 	/** {@inheritdoc} */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		$this->checkAvailability();
 		try {
 			return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
diff --git a/lib/private/Files/Storage/Wrapper/Encoding.php b/lib/private/Files/Storage/Wrapper/Encoding.php
index 389da06f7b7..240a1f3e049 100644
--- a/lib/private/Files/Storage/Wrapper/Encoding.php
+++ b/lib/private/Files/Storage/Wrapper/Encoding.php
@@ -22,6 +22,7 @@
 
 namespace OC\Files\Storage\Wrapper;
 
+use OCP\Files\Storage\IStorage;
 use OCP\ICache;
 use OC\Cache\CappedMemoryCache;
 
@@ -483,12 +484,12 @@ class Encoding extends Wrapper {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $this->findPathToUse($targetInternalPath));
 		}
@@ -501,12 +502,12 @@ class Encoding extends Wrapper {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			$result = $this->rename($sourceInternalPath, $this->findPathToUse($targetInternalPath));
 			if ($result) {
diff --git a/lib/private/Files/Storage/Wrapper/Encryption.php b/lib/private/Files/Storage/Wrapper/Encryption.php
index 793849914d7..e359e86319c 100644
--- a/lib/private/Files/Storage/Wrapper/Encryption.php
+++ b/lib/private/Files/Storage/Wrapper/Encryption.php
@@ -590,13 +590,13 @@ class Encryption extends Wrapper {
 	}
 
 	/**
-	 * @param Storage $sourceStorage
+	 * @param Storage\IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @param bool $preserveMtime
 	 * @return bool
 	 */
-	public function moveFromStorage(Storage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = true) {
+	public function moveFromStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = true) {
 		if ($sourceStorage === $this) {
 			return $this->rename($sourceInternalPath, $targetInternalPath);
 		}
@@ -624,14 +624,14 @@ class Encryption extends Wrapper {
 
 
 	/**
-	 * @param Storage $sourceStorage
+	 * @param Storage\IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @param bool $preserveMtime
 	 * @param bool $isRename
 	 * @return bool
 	 */
-	public function copyFromStorage(Storage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false, $isRename = false) {
+	public function copyFromStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false, $isRename = false) {
 
 		// TODO clean this up once the underlying moveFromStorage in OC\Files\Storage\Wrapper\Common is fixed:
 		// - call $this->storage->copyFromStorage() instead of $this->copyBetweenStorage
@@ -645,12 +645,12 @@ class Encryption extends Wrapper {
 	/**
 	 * Update the encrypted cache version in the database
 	 *
-	 * @param Storage $sourceStorage
+	 * @param Storage\IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @param bool $isRename
 	 */
-	private function updateEncryptedVersion(Storage $sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename) {
+	private function updateEncryptedVersion(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename) {
 		$isEncrypted = $this->encryptionManager->isEnabled() && $this->shouldEncrypt($targetInternalPath) ? 1 : 0;
 		$cacheInformation = [
 			'encrypted' => (bool)$isEncrypted,
@@ -682,7 +682,7 @@ class Encryption extends Wrapper {
 	/**
 	 * copy file between two storages
 	 *
-	 * @param Storage $sourceStorage
+	 * @param Storage\IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @param bool $preserveMtime
@@ -690,7 +690,7 @@ class Encryption extends Wrapper {
 	 * @return bool
 	 * @throws \Exception
 	 */
-	private function copyBetweenStorage(Storage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename) {
+	private function copyBetweenStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename) {
 
 		// for versions we have nothing to do, because versions should always use the
 		// key from the original file. Just create a 1:1 copy and done
diff --git a/lib/private/Files/Storage/Wrapper/Jail.php b/lib/private/Files/Storage/Wrapper/Jail.php
index 4fa2428c968..d30563341cb 100644
--- a/lib/private/Files/Storage/Wrapper/Jail.php
+++ b/lib/private/Files/Storage/Wrapper/Jail.php
@@ -26,6 +26,7 @@ namespace OC\Files\Storage\Wrapper;
 
 use OC\Files\Cache\Wrapper\CacheJail;
 use OC\Files\Cache\Wrapper\JailPropagator;
+use OCP\Files\Storage\IStorage;
 use OCP\Lock\ILockingProvider;
 
 /**
@@ -465,12 +466,12 @@ class Jail extends Wrapper {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $targetInternalPath);
 		}
@@ -478,12 +479,12 @@ class Jail extends Wrapper {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			return $this->rename($sourceInternalPath, $targetInternalPath);
 		}
diff --git a/lib/private/Files/Storage/Wrapper/Quota.php b/lib/private/Files/Storage/Wrapper/Quota.php
index 7312ed61dcc..e89a8d08de7 100644
--- a/lib/private/Files/Storage/Wrapper/Quota.php
+++ b/lib/private/Files/Storage/Wrapper/Quota.php
@@ -27,6 +27,7 @@
 namespace OC\Files\Storage\Wrapper;
 
 use OCP\Files\Cache\ICacheEntry;
+use OCP\Files\Storage\IStorage;
 
 class Quota extends Wrapper {
 
@@ -170,12 +171,12 @@ class Quota extends Wrapper {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		$free = $this->free_space('');
 		if ($free < 0 or $this->getSize($sourceInternalPath, $sourceStorage) < $free) {
 			return $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
@@ -185,12 +186,12 @@ class Quota extends Wrapper {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		$free = $this->free_space('');
 		if ($free < 0 or $this->getSize($sourceInternalPath, $sourceStorage) < $free) {
 			return $this->storage->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
diff --git a/lib/private/Files/Storage/Wrapper/Wrapper.php b/lib/private/Files/Storage/Wrapper/Wrapper.php
index d7cd4b729db..847a714f7dd 100644
--- a/lib/private/Files/Storage/Wrapper/Wrapper.php
+++ b/lib/private/Files/Storage/Wrapper/Wrapper.php
@@ -28,6 +28,7 @@ namespace OC\Files\Storage\Wrapper;
 
 use OCP\Files\InvalidPathException;
 use OCP\Files\Storage\ILockingStorage;
+use OCP\Files\Storage\IStorage;
 use OCP\Lock\ILockingProvider;
 
 class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage {
@@ -542,12 +543,12 @@ class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			return $this->copy($sourceInternalPath, $targetInternalPath);
 		}
@@ -556,12 +557,12 @@ class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage {
 	}
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		if ($sourceStorage === $this) {
 			return $this->rename($sourceInternalPath, $targetInternalPath);
 		}
diff --git a/lib/private/Lockdown/Filesystem/NullStorage.php b/lib/private/Lockdown/Filesystem/NullStorage.php
index ea911b90064..831d8a8b2a0 100644
--- a/lib/private/Lockdown/Filesystem/NullStorage.php
+++ b/lib/private/Lockdown/Filesystem/NullStorage.php
@@ -22,6 +22,7 @@ namespace OC\Lockdown\Filesystem;
 use Icewind\Streams\IteratorDirectory;
 use OC\Files\FileInfo;
 use OC\Files\Storage\Common;
+use OCP\Files\Storage\IStorage;
 
 class NullStorage extends Common {
 	public function __construct($parameters) {
@@ -156,11 +157,11 @@ class NullStorage extends Common {
 		return false;
 	}
 
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		throw new \OC\ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
 		throw new \OC\ForbiddenException('This request is not allowed to access the filesystem');
 	}
 
diff --git a/lib/private/Security/CSRF/CsrfToken.php b/lib/private/Security/CSRF/CsrfToken.php
index e9bdf5b5204..09195fcc3b7 100644
--- a/lib/private/Security/CSRF/CsrfToken.php
+++ b/lib/private/Security/CSRF/CsrfToken.php
@@ -62,7 +62,7 @@ class CsrfToken {
 	 * The unencrypted value of the token. Used for decrypting an already
 	 * encrypted token.
 	 *
-	 * @return int
+	 * @return string
 	 */
 	public function getDecryptedValue() {
 		$token = explode(':', $this->value);
diff --git a/lib/private/legacy/response.php b/lib/private/legacy/response.php
index fa73f3d6d0d..e45fe616e49 100644
--- a/lib/private/legacy/response.php
+++ b/lib/private/legacy/response.php
@@ -116,11 +116,11 @@ class OC_Response {
 	}
 
 	/**
-	* Set response expire time
-	* @param string|DateTime $expires date-time when the response expires
-	*  string for DateInterval from now
-	*  DateTime object when to expire response
-	*/
+	 * Set response expire time
+	 * @param string|DateTime|int $expires date-time when the response expires
+	 * string for DateInterval from now
+	 * DateTime object when to expire response
+	 */
 	static public function setExpiresHeader($expires) {
 		if (is_string($expires) && $expires[0] == 'P') {
 			$interval = $expires;
diff --git a/lib/private/legacy/template.php b/lib/private/legacy/template.php
index 08ee0abaafe..8c6185cd556 100644
--- a/lib/private/legacy/template.php
+++ b/lib/private/legacy/template.php
@@ -291,10 +291,11 @@ class OC_Template extends \OC\Template\Base {
 	}
 
 	/**
-		* Print a fatal error page and terminates the script
-		* @param string $error_msg The error message to show
-		* @param string $hint An optional hint message - needs to be properly escaped
-		*/
+	 * Print a fatal error page and terminates the script
+	 * @param string $error_msg The error message to show
+	 * @param string $hint An optional hint message - needs to be properly escape
+	 * @suppress PhanAccessMethodInternal
+	 */
 	public static function printErrorPage( $error_msg, $hint = '' ) {
 		if (\OC_App::isEnabled('theming') && !\OC_App::isAppLoaded('theming')) {
 			\OC_App::loadApp('theming');
@@ -328,6 +329,7 @@ class OC_Template extends \OC\Template\Base {
 	 * @param Exception|Throwable $exception
 	 * @param bool $fetchPage
 	 * @return bool|string
+	 * @suppress PhanAccessMethodInternal
 	 */
 	public static function printExceptionErrorPage($exception, $fetchPage = false) {
 		try {
diff --git a/lib/private/legacy/template/functions.php b/lib/private/legacy/template/functions.php
index d1818a9a072..bca16b48c1a 100644
--- a/lib/private/legacy/template/functions.php
+++ b/lib/private/legacy/template/functions.php
@@ -57,7 +57,7 @@ function emit_css_tag($href, $opts = '') {
 
 /**
  * Prints all tags for CSS loading
- * @param hash $obj all the script information from template
+ * @param array $obj all the script information from template
 */
 function emit_css_loading_tags($obj) {
 	foreach($obj['cssfiles'] as $css) {
@@ -72,7 +72,6 @@ function emit_css_loading_tags($obj) {
  * Prints a <script> tag with nonce and defer depending on config
  * @param string $src the source URL, ignored when empty
  * @param string $script_content the inline script content, ignored when empty
- * @param bool $defer_flag deferred loading or not
 */
 function emit_script_tag($src, $script_content='') {
 	$defer_str=' defer';
@@ -93,7 +92,7 @@ function emit_script_tag($src, $script_content='') {
 
 /**
  * Print all <script> tags for loading JS
- * @param hash $obj all the script information from template
+ * @param array $obj all the script information from template
 */
 function emit_script_loading_tags($obj) {
 	foreach($obj['jsfiles'] as $jsfile) {
diff --git a/lib/private/legacy/user.php b/lib/private/legacy/user.php
index feed6f836ca..fee913f956c 100644
--- a/lib/private/legacy/user.php
+++ b/lib/private/legacy/user.php
@@ -78,6 +78,7 @@ class OC_User {
 	 * @return bool
 	 *
 	 * Set the User Authentication Module
+	 * @suppress PhanDeprecatedFunction
 	 */
 	public static function useBackend($backend = 'database') {
 		if ($backend instanceof \OCP\UserInterface) {
@@ -123,6 +124,7 @@ class OC_User {
 
 	/**
 	 * setup the configured backends in config.php
+	 * @suppress PhanDeprecatedFunction
 	 */
 	public static function setupBackends() {
 		OC_App::loadApps(['prelogin']);
@@ -347,7 +349,7 @@ class OC_User {
 	 * get the display name of the user currently logged in.
 	 *
 	 * @param string $uid
-	 * @return string uid or false
+	 * @return string|bool uid or false
 	 */
 	public static function getDisplayName($uid = null) {
 		if ($uid) {
diff --git a/lib/private/legacy/util.php b/lib/private/legacy/util.php
index 8fc880667e4..d61088169ae 100644
--- a/lib/private/legacy/util.php
+++ b/lib/private/legacy/util.php
@@ -91,6 +91,7 @@ class OC_Util {
 	 * TODO make home storage aware of this and use the object storage instead of local disk access
 	 *
 	 * @param array $config containing 'class' and optional 'arguments'
+	 * @suppress PhanDeprecatedFunction
 	 */
 	private static function initObjectStoreRootFS($config) {
 		// check misconfiguration
@@ -124,6 +125,7 @@ class OC_Util {
 	 * necessity of a data folder being present.
 	 *
 	 * @param array $config containing 'class' and optional 'arguments'
+	 * @suppress PhanDeprecatedFunction
 	 */
 	private static function initObjectStoreMultibucketRootFS($config) {
 		// check misconfiguration
@@ -165,6 +167,9 @@ class OC_Util {
 	 * @param string $user
 	 * @return boolean
 	 * @description configure the initial filesystem based on the configuration
+	 * @suppress PhanDeprecatedFunction
+	 * @suppress PhanAccessMethodInternal
+	 * @suppress PhanUndeclaredMethod
 	 */
 	public static function setupFS($user = '') {
 		//setting up the filesystem twice can only lead to trouble
@@ -289,6 +294,7 @@ class OC_Util {
 	 * check if a password is required for each public link
 	 *
 	 * @return boolean
+	 * @suppress PhanDeprecatedFunction
 	 */
 	public static function isPublicLinkPasswordRequired() {
 		$appConfig = \OC::$server->getAppConfig();
@@ -329,6 +335,7 @@ class OC_Util {
 	 * check if share API enforces a default expire date
 	 *
 	 * @return boolean
+	 * @suppress PhanDeprecatedFunction
 	 */
 	public static function isDefaultExpireDateEnforced() {
 		$isDefaultExpireDateEnabled = \OCP\Config::getAppValue('core', 'shareapi_default_expire_date', 'no');
@@ -345,7 +352,7 @@ class OC_Util {
 	 * Get the quota of a user
 	 *
 	 * @param string $userId
-	 * @return int Quota bytes
+	 * @return float Quota bytes
 	 */
 	public static function getUserQuota($userId) {
 		$user = \OC::$server->getUserManager()->get($userId);
@@ -365,6 +372,7 @@ class OC_Util {
 	 * @param String $userId
 	 * @param \OCP\Files\Folder $userDirectory
 	 * @throws \RuntimeException
+	 * @suppress PhanDeprecatedFunction
 	 */
 	public static function copySkeleton($userId, \OCP\Files\Folder $userDirectory) {
 
@@ -431,6 +439,7 @@ class OC_Util {
 
 	/**
 	 * @return void
+	 * @suppress PhanUndeclaredMethod
 	 */
 	public static function tearDownFS() {
 		\OC\Files\Filesystem::tearDown();
@@ -487,6 +496,7 @@ class OC_Util {
 
 	/**
 	 * @description load the version.php into the session as cache
+	 * @suppress PhanUndeclaredVariable
 	 */
 	private static function loadVersion() {
 		if (self::$versionCache !== null) {
@@ -563,8 +573,8 @@ class OC_Util {
 	 * add a translation JS file
 	 *
 	 * @param string $application application id
-	 * @param string $languageCode language code, defaults to the current language
-	 * @param bool $prepend prepend the Script to the beginning of the list
+	 * @param string|null $languageCode language code, defaults to the current language
+	 * @param bool|null $prepend prepend the Script to the beginning of the list
 	 */
 	public static function addTranslations($application, $languageCode = null, $prepend = false) {
 		if (is_null($languageCode)) {
@@ -1068,6 +1078,7 @@ class OC_Util {
 	 * the apps visible for the current user
 	 *
 	 * @return string URL
+	 * @suppress PhanDeprecatedFunction
 	 */
 	public static function getDefaultPageUrl() {
 		$urlGenerator = \OC::$server->getURLGenerator();
@@ -1347,6 +1358,8 @@ class OC_Util {
 	 * in case the opcode cache does not re-validate files
 	 *
 	 * @return void
+	 * @suppress PhanDeprecatedFunction
+	 * @suppress PhanUndeclaredConstant
 	 */
 	public static function clearOpcodeCache() {
 		// APC
diff --git a/lib/public/App/ManagerEvent.php b/lib/public/App/ManagerEvent.php
index b25ea55aee6..c983114fe75 100644
--- a/lib/public/App/ManagerEvent.php
+++ b/lib/public/App/ManagerEvent.php
@@ -45,7 +45,7 @@ class ManagerEvent extends Event {
 	protected $event;
 	/** @var string */
 	protected $appID;
-	/** @var \OCP\IGroup[] */
+	/** @var \OCP\IGroup[]|null */
 	protected $groups;
 
 	/**
@@ -53,7 +53,7 @@ class ManagerEvent extends Event {
 	 *
 	 * @param string $event
 	 * @param $appID
-	 * @param \OCP\IGroup[] $groups
+	 * @param \OCP\IGroup[]|null $groups
 	 * @since 9.0.0
 	 */
 	public function __construct($event, $appID, array $groups = null) {
diff --git a/lib/public/AppFramework/ApiController.php b/lib/public/AppFramework/ApiController.php
index 857cb19101a..243ab1846ba 100644
--- a/lib/public/AppFramework/ApiController.php
+++ b/lib/public/AppFramework/ApiController.php
@@ -88,7 +88,7 @@ abstract class ApiController extends Controller {
         $response = new Response();
         $response->addHeader('Access-Control-Allow-Origin', $origin);
         $response->addHeader('Access-Control-Allow-Methods', $this->corsMethods);
-        $response->addHeader('Access-Control-Max-Age', $this->corsMaxAge);
+        $response->addHeader('Access-Control-Max-Age', (string)$this->corsMaxAge);
         $response->addHeader('Access-Control-Allow-Headers', $this->corsAllowedHeaders);
         $response->addHeader('Access-Control-Allow-Credentials', 'false');
         return $response;
diff --git a/lib/public/AppFramework/Http/OCSResponse.php b/lib/public/AppFramework/Http/OCSResponse.php
index cfda8ea4f75..8614e76805f 100644
--- a/lib/public/AppFramework/Http/OCSResponse.php
+++ b/lib/public/AppFramework/Http/OCSResponse.php
@@ -80,6 +80,7 @@ class OCSResponse extends Response {
 	 * @return string
 	 * @since 8.1.0
 	 * @deprecated 9.2.0 To implement an OCS endpoint extend the OCSController
+	 * @suppress PhanDeprecatedClass
 	 */
 	public function render() {
 		$r = new \OC_OCS_Result($this->data, $this->statuscode, $this->message);
diff --git a/lib/public/AppFramework/Http/Response.php b/lib/public/AppFramework/Http/Response.php
index 087522386be..c3b81d2baf7 100644
--- a/lib/public/AppFramework/Http/Response.php
+++ b/lib/public/AppFramework/Http/Response.php
@@ -228,7 +228,7 @@ class Response {
 
 	/**
 	 * By default renders no output
-	 * @return null
+	 * @return string|null
 	 * @since 6.0.0
 	 */
 	public function render() {
diff --git a/lib/public/Comments/ICommentsManager.php b/lib/public/Comments/ICommentsManager.php
index f088ad9f70d..61633af95cd 100644
--- a/lib/public/Comments/ICommentsManager.php
+++ b/lib/public/Comments/ICommentsManager.php
@@ -104,7 +104,7 @@ interface ICommentsManager {
 	 * @param int $limit optional, number of maximum comments to be returned. if
 	 * not specified, all comments are returned.
 	 * @param int $offset optional, starting point
-	 * @param \DateTime $notOlderThan optional, timestamp of the oldest comments
+	 * @param \DateTime|null $notOlderThan optional, timestamp of the oldest comments
 	 * that may be returned
 	 * @return IComment[]
 	 * @since 9.0.0
@@ -120,7 +120,7 @@ interface ICommentsManager {
 	/**
 	 * @param $objectType string the object type, e.g. 'files'
 	 * @param $objectId string the id of the object
-	 * @param \DateTime $notOlderThan optional, timestamp of the oldest comments
+	 * @param \DateTime|null $notOlderThan optional, timestamp of the oldest comments
 	 * that may be returned
 	 * @return Int
 	 * @since 9.0.0
diff --git a/lib/public/DB.php b/lib/public/DB.php
index 5018392f650..645f77076db 100644
--- a/lib/public/DB.php
+++ b/lib/public/DB.php
@@ -90,7 +90,7 @@ class DB {
 	 * @since 4.5.0
 	 */
 	public static function insertid($table=null) {
-		return \OC::$server->getDatabaseConnection()->lastInsertId($table);
+		return (string)\OC::$server->getDatabaseConnection()->lastInsertId($table);
 	}
 
 	/**
diff --git a/lib/public/Diagnostics/IQueryLogger.php b/lib/public/Diagnostics/IQueryLogger.php
index 32723a56cb9..4e45fa33d9d 100644
--- a/lib/public/Diagnostics/IQueryLogger.php
+++ b/lib/public/Diagnostics/IQueryLogger.php
@@ -39,8 +39,8 @@ interface IQueryLogger extends SQLLogger {
 	 * query is finished finalized with stopQuery() method. 
 	 * 
 	 * @param string $sql
-	 * @param array $params
-	 * @param array $types
+	 * @param array|null $params
+	 * @param array|null $types
 	 * @since 8.0.0
 	 */
 	public function startQuery($sql, array $params = null, array $types = null);
diff --git a/lib/public/Encryption/Exceptions/GenericEncryptionException.php b/lib/public/Encryption/Exceptions/GenericEncryptionException.php
index ac880c43067..7515d9c368d 100644
--- a/lib/public/Encryption/Exceptions/GenericEncryptionException.php
+++ b/lib/public/Encryption/Exceptions/GenericEncryptionException.php
@@ -39,7 +39,7 @@ class GenericEncryptionException extends HintException {
 	 * @param string $message
 	 * @param string $hint
 	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 8.1.0
 	 */
 	public function __construct($message = '', $hint = '', $code = 0, \Exception $previous = null) {
diff --git a/lib/public/Files/ForbiddenException.php b/lib/public/Files/ForbiddenException.php
index 5492b8538b4..7a7c011691b 100644
--- a/lib/public/Files/ForbiddenException.php
+++ b/lib/public/Files/ForbiddenException.php
@@ -38,7 +38,7 @@ class ForbiddenException extends \Exception {
 	/**
 	 * @param string $message
 	 * @param bool $retry
-	 * @param \Exception $previous previous exception for cascading
+	 * @param \Exception|null $previous previous exception for cascading
 	 * @since 9.0.0
 	 */
 	public function __construct($message, $retry, \Exception $previous = null) {
diff --git a/lib/public/Files/Storage.php b/lib/public/Files/Storage.php
index 213bbc0e549..ee89b9fd205 100644
--- a/lib/public/Files/Storage.php
+++ b/lib/public/Files/Storage.php
@@ -395,22 +395,22 @@ interface Storage extends IStorage {
 	public function verifyPath($path, $fileName);
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 * @since 8.1.0
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
 
 	/**
-	 * @param \OCP\Files\Storage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 * @since 8.1.0
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
 
 	/**
 	 * @param string $path The path of the file to acquire the lock for
diff --git a/lib/public/Files/Storage/IStorage.php b/lib/public/Files/Storage/IStorage.php
index 27b8f1d0697..d5176aab463 100644
--- a/lib/public/Files/Storage/IStorage.php
+++ b/lib/public/Files/Storage/IStorage.php
@@ -383,22 +383,22 @@ interface IStorage {
 	public function verifyPath($path, $fileName);
 
 	/**
-	 * @param \OCP\Files\Storage|\OCP\Files\Storage\IStorage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 * @since 9.0.0
 	 */
-	public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
 
 	/**
-	 * @param \OCP\Files\Storage|\OCP\Files\Storage\IStorage $sourceStorage
+	 * @param IStorage $sourceStorage
 	 * @param string $sourceInternalPath
 	 * @param string $targetInternalPath
 	 * @return bool
 	 * @since 9.0.0
 	 */
-	public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
 
 	/**
 	 * Test a storage for availability
diff --git a/lib/public/Files/StorageAuthException.php b/lib/public/Files/StorageAuthException.php
index f73915df9d9..8a04a2c70f4 100644
--- a/lib/public/Files/StorageAuthException.php
+++ b/lib/public/Files/StorageAuthException.php
@@ -31,12 +31,11 @@ class StorageAuthException extends StorageNotAvailableException {
 	 * StorageAuthException constructor.
 	 *
 	 * @param string $message
-	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 9.0.0
 	 */
 	public function __construct($message = '', \Exception $previous = null) {
 		$l = \OC::$server->getL10N('core');
-		parent::__construct($l->t('Storage unauthorized. %s', $message), self::STATUS_UNAUTHORIZED, $previous);
+		parent::__construct($l->t('Storage unauthorized. %s', [$message]), self::STATUS_UNAUTHORIZED, $previous);
 	}
 }
diff --git a/lib/public/Files/StorageBadConfigException.php b/lib/public/Files/StorageBadConfigException.php
index a3a96a80dc1..d6ee6a267e7 100644
--- a/lib/public/Files/StorageBadConfigException.php
+++ b/lib/public/Files/StorageBadConfigException.php
@@ -31,13 +31,12 @@ class StorageBadConfigException extends StorageNotAvailableException {
 	 * ExtStorageBadConfigException constructor.
 	 *
 	 * @param string $message
-	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 9.0.0
 	 */
 	public function __construct($message = '', \Exception $previous = null) {
 		$l = \OC::$server->getL10N('core');
-		parent::__construct($l->t('Storage incomplete configuration. %s', $message), self::STATUS_INCOMPLETE_CONF, $previous);
+		parent::__construct($l->t('Storage incomplete configuration. %s', [$message]), self::STATUS_INCOMPLETE_CONF, $previous);
 	}
 
 }
diff --git a/lib/public/Files/StorageConnectionException.php b/lib/public/Files/StorageConnectionException.php
index 7a5381aef73..f12c84653b7 100644
--- a/lib/public/Files/StorageConnectionException.php
+++ b/lib/public/Files/StorageConnectionException.php
@@ -31,12 +31,11 @@ class StorageConnectionException extends StorageNotAvailableException {
 	 * StorageConnectionException constructor.
 	 *
 	 * @param string $message
-	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 9.0.0
 	 */
 	public function __construct($message = '', \Exception $previous = null) {
 		$l = \OC::$server->getL10N('core');
-		parent::__construct($l->t('Storage connection error. %s', $message), self::STATUS_NETWORK_ERROR, $previous);
+		parent::__construct($l->t('Storage connection error. %s', [$message]), self::STATUS_NETWORK_ERROR, $previous);
 	}
 }
diff --git a/lib/public/Files/StorageNotAvailableException.php b/lib/public/Files/StorageNotAvailableException.php
index b6a5a70718a..b3f6e1a6b76 100644
--- a/lib/public/Files/StorageNotAvailableException.php
+++ b/lib/public/Files/StorageNotAvailableException.php
@@ -53,7 +53,7 @@ class StorageNotAvailableException extends HintException {
 	 *
 	 * @param string $message
 	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 6.0.0
 	 */
 	public function __construct($message = '', $code = self::STATUS_ERROR, \Exception $previous = null) {
diff --git a/lib/public/Files/StorageTimeoutException.php b/lib/public/Files/StorageTimeoutException.php
index 16675710dff..b5566ada9b5 100644
--- a/lib/public/Files/StorageTimeoutException.php
+++ b/lib/public/Files/StorageTimeoutException.php
@@ -31,12 +31,11 @@ class StorageTimeoutException extends StorageNotAvailableException {
 	 * StorageTimeoutException constructor.
 	 *
 	 * @param string $message
-	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 9.0.0
 	 */
 	public function __construct($message = '', \Exception $previous = null) {
 		$l = \OC::$server->getL10N('core');
-		parent::__construct($l->t('Storage connection timeout. %s', $message), self::STATUS_TIMEOUT, $previous);
+		parent::__construct($l->t('Storage connection timeout. %s', [$message]), self::STATUS_TIMEOUT, $previous);
 	}
 }
diff --git a/lib/public/IDateTimeFormatter.php b/lib/public/IDateTimeFormatter.php
index 20b01467e29..a97eca2860e 100644
--- a/lib/public/IDateTimeFormatter.php
+++ b/lib/public/IDateTimeFormatter.php
@@ -40,8 +40,8 @@ interface IDateTimeFormatter {
 	 * 				medium:	e.g. 'MMM d, y'			=> 'Aug 20, 2014'
 	 * 				short:	e.g. 'M/d/yy'			=> '8/20/14'
 	 * 				The exact format is dependent on the language
-	 * @param \DateTimeZone	$timeZone	The timezone to use
-	 * @param \OCP\IL10N	$l			The locale to use
+	 * @param \DateTimeZone|null	$timeZone	The timezone to use
+	 * @param \OCP\IL10N|null	$l			The locale to use
 	 * @return string Formatted date string
 	 * @since 8.0.0
 	 */
@@ -58,8 +58,8 @@ interface IDateTimeFormatter {
 	 * 				short:	e.g. 'M/d/yy'			=> '8/20/14'
 	 * 				The exact format is dependent on the language
 	 * 					Uses 'Today', 'Yesterday' and 'Tomorrow' when applicable
-	 * @param \DateTimeZone	$timeZone	The timezone to use
-	 * @param \OCP\IL10N	$l			The locale to use
+	 * @param \DateTimeZone|null	$timeZone	The timezone to use
+	 * @param \OCP\IL10N|null	$l			The locale to use
 	 * @return string Formatted relative date string
 	 * @since 8.0.0
 	 */
@@ -70,13 +70,12 @@ interface IDateTimeFormatter {
 	 * Only works for past dates
 	 *
 	 * @param int|\DateTime	$timestamp
-	 * @param int|\DateTime	$baseTimestamp	Timestamp to compare $timestamp against, defaults to current time
+	 * @param int|\DateTime|null	$baseTimestamp	Timestamp to compare $timestamp against, defaults to current time
+	 * @param \OCP\IL10N|null		$l			The locale to use
 	 * @return string	Dates returned are:
 	 * 				<  1 month	=> Today, Yesterday, n days ago
 	 * 				< 13 month	=> last month, n months ago
 	 * 				>= 13 month	=> last year, n years ago
-	 * @param \OCP\IL10N		$l			The locale to use
-	 * @return string Formatted date span
 	 * @since 8.0.0
 	 */
 	public function formatDateSpan($timestamp, $baseTimestamp = null, \OCP\IL10N $l = null);
@@ -91,8 +90,8 @@ interface IDateTimeFormatter {
 	 * 				medium:	e.g. 'h:mm:ss a'		=> '11:42:13 AM'
 	 * 				short:	e.g. 'h:mm a'			=> '11:42 AM'
 	 * 				The exact format is dependent on the language
-	 * @param \DateTimeZone	$timeZone	The timezone to use
-	 * @param \OCP\IL10N		$l			The locale to use
+	 * @param \DateTimeZone|null	$timeZone	The timezone to use
+	 * @param \OCP\IL10N|null		$l			The locale to use
 	 * @return string Formatted time string
 	 * @since 8.0.0
 	 */
@@ -102,7 +101,8 @@ interface IDateTimeFormatter {
 	 * Gives the relative past time of the timestamp
 	 *
 	 * @param int|\DateTime	$timestamp
-	 * @param int|\DateTime	$baseTimestamp	Timestamp to compare $timestamp against, defaults to current time
+	 * @param int|\DateTime|null	$baseTimestamp	Timestamp to compare $timestamp against, defaults to current time
+	 * @param \OCP\IL10N|null		$l			The locale to use
 	 * @return string	Dates returned are:
 	 * 				< 60 sec	=> seconds ago
 	 * 				<  1 hour	=> n minutes ago
@@ -110,8 +110,6 @@ interface IDateTimeFormatter {
 	 * 				<  1 month	=> Yesterday, n days ago
 	 * 				< 13 month	=> last month, n months ago
 	 * 				>= 13 month	=> last year, n years ago
-	 * @param \OCP\IL10N		$l			The locale to use
-	 * @return string Formatted time span
 	 * @since 8.0.0
 	 */
 	public function formatTimeSpan($timestamp, $baseTimestamp = null, \OCP\IL10N $l = null);
@@ -122,8 +120,8 @@ interface IDateTimeFormatter {
 	 * @param int|\DateTime $timestamp
 	 * @param string	$formatDate		See formatDate() for description
 	 * @param string	$formatTime		See formatTime() for description
-	 * @param \DateTimeZone	$timeZone	The timezone to use
-	 * @param \OCP\IL10N		$l			The locale to use
+	 * @param \DateTimeZone|null	$timeZone	The timezone to use
+	 * @param \OCP\IL10N|null		$l			The locale to use
 	 * @return string Formatted date and time string
 	 * @since 8.0.0
 	 */
@@ -136,8 +134,8 @@ interface IDateTimeFormatter {
 	 * @param string	$formatDate		See formatDate() for description
 	 * 					Uses 'Today', 'Yesterday' and 'Tomorrow' when applicable
 	 * @param string	$formatTime		See formatTime() for description
-	 * @param \DateTimeZone	$timeZone	The timezone to use
-	 * @param \OCP\IL10N		$l			The locale to use
+	 * @param \DateTimeZone|null	$timeZone	The timezone to use
+	 * @param \OCP\IL10N|null		$l			The locale to use
 	 * @return string Formatted relative date and time string
 	 * @since 8.0.0
 	 */
diff --git a/lib/public/Lock/LockedException.php b/lib/public/Lock/LockedException.php
index 87ae4511ac9..c371c6c56b0 100644
--- a/lib/public/Lock/LockedException.php
+++ b/lib/public/Lock/LockedException.php
@@ -43,7 +43,7 @@ class LockedException extends \Exception {
 	 * LockedException constructor.
 	 *
 	 * @param string $path locked path
-	 * @param \Exception $previous previous exception for cascading
+	 * @param \Exception|null $previous previous exception for cascading
 	 *
 	 * @since 8.1.0
 	 */
diff --git a/lib/public/Response.php b/lib/public/Response.php
index b68da644352..dd029e12dbf 100644
--- a/lib/public/Response.php
+++ b/lib/public/Response.php
@@ -109,6 +109,7 @@ class Response {
 	 * @param string $filepath of file to send
 	 * @since 4.0.0
 	 * @deprecated 8.1.0 - Use \OCP\AppFramework\Http\StreamResponse or another AppFramework controller instead
+	 * @suppress PhanDeprecatedFunction
 	 */
 	static public function sendFile( $filepath ) {
 		\OC_Response::sendFile( $filepath );
diff --git a/lib/public/Search/PagedProvider.php b/lib/public/Search/PagedProvider.php
index 3bd5b75cc2d..b1294fa6dc4 100644
--- a/lib/public/Search/PagedProvider.php
+++ b/lib/public/Search/PagedProvider.php
@@ -53,7 +53,7 @@ abstract class PagedProvider extends Provider {
 	 */
 	public function search($query) {
 		// old apps might assume they get all results, so we use SIZE_ALL
-		$this->searchPaged($query, 1, self::SIZE_ALL);
+		return $this->searchPaged($query, 1, self::SIZE_ALL);
 	}
 
 	/**
diff --git a/lib/public/Share.php b/lib/public/Share.php
index ec3a7c8db1b..f3a0b53efec 100644
--- a/lib/public/Share.php
+++ b/lib/public/Share.php
@@ -265,8 +265,8 @@ class Share extends \OC\Share\Constants {
 	 * @param string $shareWith User or group the item is being shared with
 	 * @param int $permissions CRUDS
 	 * @param string $itemSourceName
-	 * @param \DateTime $expirationDate
-	 * @param bool $passwordChanged
+	 * @param \DateTime|null $expirationDate
+	 * @param bool|null $passwordChanged
 	 * @return bool|string Returns true on success or false on failure, Returns token on success for links
 	 * @throws \OC\HintException when the share type is remote and the shareWith is invalid
 	 * @throws \Exception
diff --git a/lib/public/Share/Exceptions/GenericShareException.php b/lib/public/Share/Exceptions/GenericShareException.php
index 8410a2d0037..21a3b2caa5b 100644
--- a/lib/public/Share/Exceptions/GenericShareException.php
+++ b/lib/public/Share/Exceptions/GenericShareException.php
@@ -35,7 +35,7 @@ class GenericShareException extends HintException {
 	 * @param string $message
 	 * @param string $hint
 	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @since 9.0.0
 	 */
 	public function __construct($message = '', $hint = '', $code = 0, \Exception $previous = null) {
diff --git a/lib/public/SystemTag/ManagerEvent.php b/lib/public/SystemTag/ManagerEvent.php
index 85e7863492e..f7a9b8d6da7 100644
--- a/lib/public/SystemTag/ManagerEvent.php
+++ b/lib/public/SystemTag/ManagerEvent.php
@@ -48,7 +48,7 @@ class ManagerEvent extends Event {
 	 *
 	 * @param string $event
 	 * @param ISystemTag $tag
-	 * @param ISystemTag $beforeTag
+	 * @param ISystemTag|null $beforeTag
 	 * @since 9.0.0
 	 */
 	public function __construct($event, ISystemTag $tag, ISystemTag $beforeTag = null) {
diff --git a/lib/public/SystemTag/TagNotFoundException.php b/lib/public/SystemTag/TagNotFoundException.php
index c983e2afc80..49008d1adde 100644
--- a/lib/public/SystemTag/TagNotFoundException.php
+++ b/lib/public/SystemTag/TagNotFoundException.php
@@ -38,7 +38,7 @@ class TagNotFoundException extends \RuntimeException {
 	 *
 	 * @param string $message
 	 * @param int $code
-	 * @param \Exception $previous
+	 * @param \Exception|null $previous
 	 * @param string[] $tags
 	 * @since 9.0.0
 	 */