.. include:: /Includes.rst.txt .. _deprecation-63603-1668719172: ============================================================================ Deprecation: #63603 - ExtendedFileUtility::$dontCheckForUnique is deprecated ============================================================================ See :issue:`63603` Description =========== The ExtendedFileUtility `$dontCheckForUnique` flag has been marked as deprecated and replaced by `$fileUtility->setExistingFileConflictMode()` with the possible options of the `\TYPO3\CMS\Core\Resource\DuplicationBehavior` enumeration. Impact ====== Extensions still using `ExtendedFileUtility::$dontCheckForUnique` will throw a deprecation warning. Affected Installations ====================== All installations with extensions that use `ExtendedFileUtility::$dontCheckForUnique`. Migration ========= Change the `$fileUtility->dontCheckForUnique = TRUE` to `$fileUtility->setExistingFileConflictMode(DuplicationBehavior::REPLACE)`. .. index:: PHP-API, FAL