owncloud / core

		$differenceArray = [];

		foreach($differences as $filename => $hash) {

			// Check if file should not exist in the new signature table

			if(!array_key_exists($filename, $expectedHashes)) {

				$differenceArray['EXTRA_FILE'][$filename]['expected'] = '';

				$differenceArray['EXTRA_FILE'][$filename]['current'] = $hash;

				continue;

			}

			// Check if file is missing

			if(!array_key_exists($filename, $currentInstanceHashes)) {

			}

			// Check if file is missing

			if(!array_key_exists($filename, $currentInstanceHashes)) {

				$differenceArray['FILE_MISSING'][$filename]['expected'] = $expectedHashes[$filename];

				$differenceArray['FILE_MISSING'][$filename]['current'] = '';

				continue;

			}

			// Check if hash does mismatch

			if($expectedHashes[$filename] !== $currentInstanceHashes[$filename]) {