Description:
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My PECL extension is at
C:\Program Files\PHP\ext\php_uploadprogress.dll

I want the files written by the extension to be written at
D:\tmp\upt_%s.txt

Reproduce code:
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So, my php.ini contains :
extension=php_uploadprogress.dll
uploadprogress.file.contents_template = "D:\tmp\upload_contents_%s"
uploadprogress.file.filename_template = "D:\tmp\upt_%s.txt"

And to be sure, I set all rights on all users on D:\tmp\

Expected result:
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full uploadprogress_get_info()

Actual result:
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The result is an empty uploadprogress_get_info() and no file created in  the D:\tmp and no error in any log file.