Re: [Q] session variables wouldn't keep contents.

>>>>> "YO" == Yasuo Ohgaki <yohgaki@hotmail.com> writes: YO> ----- Original Message ----- YO> From: "Chung Ha-Nyung" <alita@kldp.org> YO> To: <php-general@lists.php.net> YO> Sent: Tuesday, March 13, 2001 3:19 PM YO> Subject: [PHP] [Q] session variables wouldn't keep contents. > > Hi guys, > > Some php programs doesn't seem to work normally in a certain > server. Those wokred correctly in my Debian box. > Session is the problem. YO> The code seems wrong. Although, it can work. It depends on php.ini. > > It seems that the contents of session variables disappears after > reloading the php page. Here is the program. > > ---- test.php ---- > > > <?php > session_start(); YO> You must start session before output anything to browser, or you must use YO> buffering to do this, YO> or you must use URL mode for session. YO> i.e. This code sends "<html><body>" before starting session and YO> cookie header YO> must be sent before if session is cookie mode. YO> I recommend to write session_start() before programmers do anything. I modified that way. But no effect. still not work correctly. After reloading, session variables are emptied. ;( > if(!session_is_registered("name")) { > "; > session_register("name"); > $HTTP_SESSION_VARS["name"] = "test"; > "; > > $session_name = $HTTP_SESSION_VARS["name"]; > "; > echo "session_name = $session_name"; > > > > ---- test.php ---- > > Can I handle it with only php configuration file? Or Do I have to > modify my php programs? YO> I'm not sure what do you want to handle "it". Just *poor* english. ;P solving the above trouble. YO> Starting session can handle in php.ini and inside code. > > In addition to this, I have a few questions about the work of session > in php 4.0.4 > > Q1) Do I have to use session_start() explicitly although session.auto_start > is set to 1 in php.ini? YO> No. YO> Session will be started automatically, so programmer does not have to write it. YO> I recommend to write session_start(), though. YO> Also, session will be started implicitly if programmer uses session functions YO> even without setting session.auto_start to true. It should work, if programmer YO> didn't send any output to browser before. i.e. Programmer does not even have to YO> write session_start() even if session.auto_start is false. I don't recommend it, YO> though. > Q2) Do I have to use session_register("variable_name")? > In my Debian woody box, it seems to run well without it. YO> It seems works fine on my box without it when I use $HTTP_SESSION_VARS at least. YO> I think it will not work without $HTTP_SESSION_VARS. YO> (PHP4.0.4pl1/Apache/RedHat Linux7) I use only $HTTP_SESSION_VARS. ;) YO> Regards, YO> -- YO> Yasuo Ohgaki -- Chung Ha-Nyung <alita@kldp.org>