>I have a 5-step (5 page) process in which users must answer various 
>questions. Each page passes along the data to the next page, at the same 
>time capturing the data from the previous page and passing that along too.
>To capture all the data submitted previously, I have the following code:
>$a = "?";
>$url = "";
>while(list($key, $value) = each($HTTP_POST_VARS)) 
>$url .= "$a$key=" . htmlspecialchars(addslashes($value));

These should be http://php.net/URLEncode, not

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