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??wrote: > > first of all make sure the condition which should take you to > the session_destroy is gettin true when it should. maybe > you're never getting to that script line and, therefore, > never processing the session_destroy command. you can do that > by replacing the "session_destroy" line by, i.e., > > echo "SESSION DESTROY LINE IS BEING PROCESSED"; > ?> > > if u ever get this msg then, so far, this is workin right. > then make sure you're starting that session before killin it, > if you're not then you should be getting an error warning msg. > > then i suggest you anyway to use a more up-to-date version of > session handling, and using names for sessions, > > > starting a session: > session_start("user_session"); > ?> > > registering and setting session variables: > session_start("user_session"); > session_register("user_name"); > // now $user_name is a session variable > // under the "user_session" session > // since it's been registered > // after starting the "user_session" session > $user_name="federico"; > ?> > > retrieving a variable in another page > or in another execution of the page > > > // $user_name is not a session var > // yet cause the session hasn't been > // started yet (*) > $user_name=""; > > session_start("user_session"); > > // display the session variable > // $user_name which became local now > // and will be a session var > // just by ending the code > echo $user_name; > ?> > > that should output my name. > > the first 2 lines of the previous code should be omitted if > the session has been already started in the current execution > of that page. > > (*) the $user_name=""; line is for security reasons. > if the $user_name variable has eventually not been registered > and that line* wasn't there anyone could force $user_name's > value by typing file.php?user_name=any+name right in the > browser's adress bar. this line* empties the local var > $user_name but it doesn't kill the session varibale since the > session hasn't been started yet. > > killing a session variable: > session_start("user_session"); > > // sets the $user_name session variable to > // an empty value > $user_name=""; > > // unlinks the variable to the session. > // not really needed since you've emptied it > session_unregister("user_name"); > > // destroys the "user_session" session > // not needed at all, since $user_name > // was dead long ago > session_destroy(); > ?> > > the previous code is quite unclead and repetitive but you'll > never wonder wether the user has logged out or not :) > > hope this helps > > gl ">??
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