+ if ( $this->isWindows && version_compare( PHP_VERSION, '7.1', 'lt' ) ) {
+ // PHP before 7.1 used 8-bit code page for filesystem paths on Windows;
+ // See http://php.net/manual/en/migration71.windows-support.php
+ return 0;
+ } else {
+ return FileBackend::ATTR_UNICODE_PATHS;
+ }