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Re: CGI::Session keeps re-using same session ID

by scorpio17 (Abbot)
on May 02, 2012 at 16:15 UTC ( #968477=note: print w/replies, xml ) Need Help??


in reply to CGI::Session keeps re-using same session ID

You need to look at using CGI::Cookie also. You're writing a cookie with the session ID in it, but you're not reading it back. Reading the session ID from the cookie is the first thing you should do. If there is no cookie/session ID, then you know it's a visitors first time - create a new session for them. If you DO find a session ID in the cookie, then they're a repeat visitor: use the ID to reload their session. Data in the session can be used to modify the page you display (i.e., if someone is logged in, display a "logout" button, else display a "login" button", etc.)
  • Comment on Re: CGI::Session keeps re-using same session ID

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Re^2: CGI::Session keeps re-using same session ID
by Anonymous Monk on May 03, 2012 at 05:47 UTC

    You're writing a cookie with the session ID in it, but you're not reading it back

    CGI::Session->new does the reading of the cookie

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[hippo]: That's equal parts clever and horrendous.
[Eily]: the overload version wouldn't return true with "$x" && !length $x though, I guess
[hippo]: The more I look at this code, the more $x is a plain old scalar and the more this condition will never be true. I'm calling it a bug at this point.
[hippo]: Thanks for your input which has soothed my sanity (a little)
[Corion]: Eily: Sure - if you force both things into stringy things, then you break that magic. But that would also mean that you changed the expression, as now $x = 0.00 will be true instead of false as it were before
[Corion]: Ah no, at least in my feeble experiments that doesn't change the meaning
[Corion]: We sell sanity in small packages ;)

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