TYPO3 / TYPO3.CMS

        // get all files and folders we are going to move, to have a map for updating later.

        $filesAndFolders = $this->retrieveFileAndFoldersInPath($sourcePath, true);

        $result = rename($sourcePath, $targetPath);

        if ($result === false) {

            throw new \RuntimeException('Moving folder ' . $sourcePath . ' to ' . $targetPath . ' failed.', 1320711817);

        }

        // Create a mapping from old to new identifiers

        $identifierMap = $this->createIdentifierMap($filesAndFolders, $sourceFolderIdentifier, $relativeTargetPath);

        return $identifierMap;

        $sourcePath = $this->getAbsolutePath($fileIdentifier);

        $targetPath = $this->getAbsolutePath($newIdentifier);

        $result = rename($sourcePath, $targetPath);

        if ($result === false) {

            throw new \RuntimeException('Renaming file ' . $sourcePath . ' to ' . $targetPath . ' failed.', 1320375115);

        }

        return $newIdentifier;

    }