Method writeAtomic

src/FileRise/Domain/UserModel.php:63–81

(string $path, string $data)

    }

    private static function writeAtomic(string $path, string $data): bool
    {
        $dir = dirname($path);
        $tmp = $path . '.tmp.' . bin2hex(random_bytes(6));
        if (!is_dir($dir)) {
            return false;
        }
        if (file_put_contents($tmp, $data, LOCK_EX) === false) {
            if (is_file($tmp)) {
                @unlink($tmp);
            }
            return false;
        }
        if (!@rename($tmp, $path)) {
            @unlink($tmp);
            return false;
        }
        return true;
    }

    private static function mergePermissionsMostRestrictive($base, $incoming): array
    {