PHP：带有Unicode文件名的file_put_contents（）

I want to save some data in files with file names which would have unicode characters in it (like chinese, cyrillic, arabic, ...) with PHP's file_put_contents() functions. I don't want to encode them separately with something like urlencode() because no human would be able to read the file names if they contained only non-latin chars. The 3 biggest OSes Windows, MacOS / OS X and Linux support UTF-8 or UTF-16 chars in file names and can display them without problems but it seems that it's not that easy as just calling something like that:I want to save some data in files with file nam