What encoding does ZipArchive use to store file names inside the created archive?

I'm using the php ZipArchive class in order to generate a zip archive. I use the second parameter of the addFile method in order to set th开发者_StackOverflow社区e name of the file in the archive (since the real file on disk has a different name). Some of the names must contain french accents (such as é). When I download the archive, the accents aren't correctly displayed in the file name. What encoding should I use for the file names ? (the application uses UTF-8)

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It is php bug #53948, see official bug report.

Suggested workaround (worked for me):

$zip->addFile($file, iconv("UTF-8", "CP852", $local_name));

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Use DOS encoding. My file names has cyrillic characters, so I'm encoding the file names from cp1251 (Windows) to cp866 (DOS), upon passing the filename to $zip->addFile().

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Zip files don't have a specified encoding; the archive tool must guess (or assume) the encoding used. Try CP1252 first, then go from there.

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Depends on the Windows system e.g French, internal zip of Windows use IBM850 as encoding.