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5. Backend request

STRING, read-only.

Available inpassmissfetch

The file extension portion ofbereq.url. Ifmultiple file extensions are present, only the last extension is used. Forexample, given the path/foo.bar.txt,bereq.url.ext would betxt. If nofile extension is present, the value will be an empty string.

This variable is updated any timebereq.url isset.