Neos\Flow\Http\Request::untangleFilesArray PHP Метод

    protected function untangleFilesArray(array $convolutedFiles)
    {
        $untangledFiles = [];
        $fieldPaths = [];
        foreach ($convolutedFiles as $firstLevelFieldName => $fieldInformation) {
            if (!is_array($fieldInformation['error'])) {
                $fieldPaths[] = [$firstLevelFieldName];
            } else {
                $newFieldPaths = $this->calculateFieldPaths($fieldInformation['error'], $firstLevelFieldName);
                array_walk($newFieldPaths, function (&$value) {
                    $value = explode('/', $value);
                });
                $fieldPaths = array_merge($fieldPaths, $newFieldPaths);
            }
        }
        foreach ($fieldPaths as $fieldPath) {
            if (count($fieldPath) === 1) {
                $fileInformation = $convolutedFiles[$fieldPath[0]];
            } else {
                $fileInformation = [];
                foreach ($convolutedFiles[$fieldPath[0]] as $key => $subStructure) {
                    $fileInformation[$key] = Arrays::getValueByPath($subStructure, array_slice($fieldPath, 1));
                }
            }
            if (isset($fileInformation['error']) && $fileInformation['error'] !== \UPLOAD_ERR_NO_FILE) {
                $untangledFiles = Arrays::setValueByPath($untangledFiles, $fieldPath, $fileInformation);
            }
        }
        return $untangledFiles;
    }