---
title: "Breaking: #62416 - Removal of deprecated code in sysext core"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:breaking-62416"
source: "Changelog/7.0/Breaking-62416-DeprecatedCodeRemovalInCoreSysext.rst"
typo3-version: "7.0"
typo3-major: 7
type: "breaking"
issue: 62416
forge: "https://forge.typo3.org/issues/62416"
tags: ["PHP-API"]
rendered: "2026-10-02T15:05:01+00:00"
---

# Breaking: #62416 - Removal of deprecated code in sysext core {#breaking-62416}

See [forge#62416](https://forge.typo3.org/issues/62416)

## Description {#description}

### DataHandler {#datahandler}

`DataHandler::clear_cache()` has been removed. Use `->clear_cacheCmd()` instead. Alternatively you can
call `->registerPageCacheClearing()` from a hook to not immediately clear the cache but register clearing after DataHandler operation finishes.

`DataHandler::internal_clearPageCache()` has been removed, please use the cache manager directly.

The hook \['t3lib/class.t3lib_tcemain.php'\]\['clearAllCache_additionalTables'\] has been removed, use the caching framework with database backend instead.

### DatabaseConnection {#databaseconnection}

All connection parameters (host, username, password, db) for methods sql_connect(), sql_select_db() and  connectDB() have been removed.

### PackageManager {#packagemanager}

The globally defined REQUIRED_EXTENSIONS constant has been removed.

### ExtensionManagementUtility {#extensionmanagementutility}

Parameter classPath of insertModuleFunction() is now unused. Leverage autoloading instead.

### Removed PHP classes {#removed-php-classes}

-   TYPO3CMSCoreResourceServiceIndexerService has been removed without replacement. Indexing is done internally.
-   TYPO3CMSCoreCompatibilityGlobalObjectDeprecationDecorator has been removed without replacement.
    Do not use $GLOBALS\['typo3CacheManager'\] and $GLOBALS\['typo3CacheFactory'\] anymore, use GeneralUtility::makeInstance() instead.

### Removed PHP class members {#removed-php-class-members}

-   AbstractUserAuthentication::$cookieId has been removed. Use isCookieSet() instead.

### Removed PHP methods {#removed-php-methods}

-   GeneralUtility::array_merge_recursive_overrule() has been removed. Use ArrayUtility::mergeRecursiveWithOverrule() instead.
    WARNING: The new method changed its signature and does not return the first parameter anymore.
-   GeneralUtility::htmlspecialchars_decode() has been removed in favor of the native PHP htmlspecialchars_decode() function.
-   CategoryRegistry::get() has been removed. Use isRegistered() instead.
-   CategoryRegistry::applyTca() has been removed. The functionality is obsolete.
-   DataHandler::clear_cache() has been removed. Use ->clear_cacheCmd instead. Alternatively you can
    call ->registerPageCacheClearing() from a hook to not immediately clear the cache but register clearing after DataHandler operation finishes.
-   DataHandler::internal_clearPageCache() has been removed, use the cache manager directly.
-   FileRepository::findByUid() has been removed without replacement.
-   FileRepository::addToIndex() has been removed without replacement. Indexing is done transparently.
-   FileRepository::getFileIndexRecordsForFolder() has been removed. Use FileIndexRepository::findByFolder() instead.
-   FileRepository::getFileIndexRecord() has been removed. Use FileIndexRepository::findOneByFileObject() instead.
-   FileRepository::findBySha1Hash() has been removed. Use FileIndexRepository::findByContentHash() instead.
-   FileRepository::update() has been removed. Use FileIndexRepository::update() instead.
-   ResourceStorage::getFolderByIdentifier() is replaced by getFolder().
-   ResourceStorage::getFileByIdentifier() is replaced by getFileInfoByIdentifier().
-   ResourceStorage::getFileList() is replaced by getFilesInFolder().
-   ResourceStorage::getFolderList() has been removed. Use getFoldersInFolder() instead.
-   ResourceStorage::fetchFolderListFromDriver() has been removed. Use getFoldersInFolder() instead.
-   BasicFileUtility::getTotalFileInfo() has been removed. Use ResourceStorage instead via $GLOBALS\['BE_USER'\]->getFileStorages()
-   BasicFileUtility::checkFileNameLen() has been removed. Use ResourceStorage instead via $GLOBALS\['BE_USER'\]->getFileStorages()
-   BasicFileUtility::isPathValid() has been removed in favor of GeneralUtility::validPathStr().
-   BasicFileUtility::blindPath() has been removed without replacement.
-   BasicFileUtility::findTempFolder() has been removed without replacement.
-   BasicFileUtility::rmDoubleSlash() has been removed without replacement.
-   BasicFileUtility::cleanDirectoryName() has been removed. Use PathUtility::getCanonicalPath() instead.
-   ExtendedFileUtility::init_actionPerms() is replaced with setActionPermissions().
-   ExtendedFileUtility::printLogErrorMessages() is replaced with pushErrorMessagesToFlashMessageQueue().
-   ExtendedFileUtility::findRecycler() has been removed. Use ResourceStorage instead.
-   RteHtmlParser::rteImageStorageDir() and SelectImage::getRTEImageStorageDir() are removed.
    Use $fileFactory->getFolderObjectFromCombinedIdentifier($GLOBALS\['TYPO3_CONF_VARS'\]\['BE'\]\['RTE_imageStorageDir'\]); instead.
-   Locales::getTerLocales() has been removed without replacement.
-   Locales::getTerLocaleDependencies() has been removed without replacement.
-   ExtensionManagementUtility::getRequiredExtensionListArray() has been removed without replacement.
-   ExtensionManagementUtility::writeNewExtensionList() has been removed without replacement.
-   PhpOptionsUtility::isSqlSafeModeEnabled() has been removed without replacement.
-   ClassLoader::getAliasForClassName() is replaced with getAliasesForClassName().

## Impact {#impact}

A call to any of the aforementioned methods by third party code will result in a fatal PHP error.

## Affected installations {#affected-installations}

Any installation which contains third party code still using these deprecated methods.

## Migration {#migration}

Replace the calls with the suggestions outlined above.