RE: [PHP] $_SESSION

You can store the variables you expect to erase in a sub-array. $_SESSION['temp']['xx1'] = ... $_SESSION['temp']['xx2'] = ... $_SESSION['var'] = ... Then, to get rid of the "temp" vars, you can use: unset($_SESSION['temp']); ---John Holmes... > -----Original Message----- > From: Paonarong Buachaiyo [mailto:pao@chiangmaicar.com] > Sent: Wednesday, October 16, 2002 4:04 AM > To: php-general@lists.php.net > Subject: Re: [PHP] $_SESSION > > Please, I' also have some question about $_SESSION. > > Simple, how can we earse all $SESSION variable except one or two > variables. > > Beacuse i want to show some error message in my login form when login > failed. i want to destroy all other $_SESSION variable (about 10) except > $_SESSION['errmsg'] and $_SESSION['errcount']. > > Any way to do it except > > unset($_SESSION['xx1']); > unset($_SESSION['xx2']); > unset($_SESSION['xx3']); > . > unset($_SESSION['xx10']); > > Please, > Pao > > "John W. Holmes" <holmes072000@charter.net> wrote in message > news:000501c274a4$ed28ae40$7c02a8c0@coconut... > > > Hi All, > > > still trying to update old code. Am I using $_SESSION properly? > > > > > > <snip> > > > if (mysql_num_rows($res) ==1){ > > > /* If correct start session*/ > > > session_start(); > > > $_SESSION['SESSION_UNAME']; > > > $SESSION_UNAME = $user; > > > > > > header("Location: welcome.php"); > > > mysql_free_result ($res); > > > </snip> > > > > Nope. Just use $_SESSION['SESSION_UNAME'] = $user; > > > > You can treat $_SESSION just as you would any other array. > > > > $_SESSION['something'] = "whatever"; > > > > etc... Then, on any page with session_start(), you have the whole > > session array available to you, no matter what page the variable was > > initially created on. > > > > FYI: use unset($_SESSION['SESSION_UNAME']); to erase a session variable. > > > > ---John Holmes... > > > > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php