I need to pass 2 parameters in a query string but would like them to appear as a single parameter to the user. At a low level, how can I concatinate these two values and then later separate them? Both values are Base64 encoded.
?Name=abcyxz
where both abc and xyz are separate Base64 encoded strings.
You should either use some separator or store the length of the first item.
why don't you just do something like this
temp = base64_encode("var1=abc&var2=yxz")
and then call
?Name=temp
Later you can decode the whole string and split the vars. (sry for pseudo code :P)
Edit: a small quote from wikipedia
The current version of PEM (specified in RFC 1421) uses a 64-character alphabet consisting of upper- and lower-case Roman alphabet characters (A–Z, a–z), the numerals (0–9), and the "+" and "/" symbols. The "=" symbol is also used as a special suffix code. The original specification, RFC 989, additionally used the "*" symbol to delimit encoded but unencrypted data within the output stream.
First of all, I would be curious as to why you can't just pass two parameters. But with that as a given, just choose any character that's a valid character in a URL query string, but won't show up in your base64 encoding, such as ~