Maybe you want to follow the Anonymous Monk's link to "serialization"? To undo serialization would mean to reverse the process of serializing data.

Maybe you can explain to us what overarching problem you're trying to solve? Saving requests to a file is a measure I've only used for debugging CGI scripts.

In reply to Re^11: Save form data with decoded URL chars by Corion
in thread Save form data with decoded URL chars by SerZKO

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