FluidTYPO3\Vhs\Service\AssetService::mergeArrays PHP Метод

    protected function mergeArrays($array1, $array2)
    {
        if (6.2 <= (double) substr(TYPO3_version, 0, 3)) {
            ArrayUtility::mergeRecursiveWithOverrule($array1, $array2);
            return $array1;
        } else {
            return GeneralUtility::array_merge_recursive_overrule($array1, $array2);
        }
    }