Neos\Flow\Core\Migrations\AbstractMigration::moveSettingsPaths PHP Метод

    protected function moveSettingsPaths($sourcePath, $destinationPath)
    {
        $this->processConfiguration(ConfigurationManager::CONFIGURATION_TYPE_SETTINGS, function (array &$configuration) use($sourcePath, $destinationPath) {
            $sourceConfigurationValue = Arrays::getValueByPath($configuration, $sourcePath);
            $destinationConfigurationValue = Arrays::getValueByPath($configuration, $destinationPath);
            if ($sourceConfigurationValue !== null) {
                // source exists, so we need to move source to destination.
                if ($destinationConfigurationValue !== null) {
                    // target exists as well; we need to MERGE source and target.
                    $destinationConfigurationValue = Arrays::arrayMergeRecursiveOverrule($sourceConfigurationValue, $destinationConfigurationValue);
                } else {
                    // target does NOT exist; we directly set target = source
                    $destinationConfigurationValue = $sourceConfigurationValue;
                }
                // set the config on the new path
                $configuration = Arrays::setValueByPath($configuration, $destinationPath, $destinationConfigurationValue);
                // Unset the old configuration
                $configuration = Arrays::unsetValueByPath($configuration, $sourcePath);
                // remove empty keys before our removed key (if it exists)
                $sourcePathExploded = explode('.', $sourcePath);
                for ($length = count($sourcePathExploded) - 1; $length > 0; $length--) {
                    $temporaryPath = array_slice($sourcePathExploded, 0, $length);
                    $valueAtPath = Arrays::getValueByPath($configuration, $temporaryPath);
                    if (empty($valueAtPath)) {
                        $configuration = Arrays::unsetValueByPath($configuration, $temporaryPath);
                    } else {
                        break;
                    }
                }
            }
        }, true);
    }