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Posted by Jochem Maas on 09/29/05 19:33
Graham Anderson wrote:
>
> What is the best way to decrypt a query string back into variables ?
>
>
> $root = "http://www.myserver.com/script.php";
> $queryString = "?test=mytest&color=red";
> myEncrypt($queryString); //add mCrypt encryption
> $finalURL = $root.$encryptedQueryString;
>
> what is the proper what to decrypt the GET variables on the other side ?
>
>
> Do you need to decrypt the query string first ?
yes - if you have a query string like
4509134534068953534875104584437043134081743
or whatever then php won't turn it into a $_GET var.
although your query string could contain &'s and/or ?'s and/or ='s
in which case you might have cruft in the $_GET array which you would
want to clean out before extracting your decrypted string into
$_GET ..
> decrypt($_SERVER['QUERY_STRING']);
>
> Once you have decrypted it, can you pass it along to a $_GET as you
> would with an unencrypted query string ?
> $test = $_GET['test'];
>
> Or, do you need to parse the string to extract variables?
yes you do, but this being php - there is a function that will do it for you :-)
http://php.net/parse_str
>
> many thanks
>
> g
>
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