Re: playing with sessions... (fwd)

This was with PHP 4.1.0RC3? All this should be fixed in HEAD. _IF_ I understood the problem correctly. --Jani On Mon, 26 Nov 2001, Derick Rethans wrote: >Forwarding to PHP DEV... > >(Oh, php 4.1.0 is already packed, and will be announced later today by >Zeev iirc). > >Derick > >---------- Forwarded message ---------- >Date: Mon, 26 Nov 2001 10:13:54 +0000 >From: Hellekin O. Wolf <hellekin@php.net> >To: php-qa@lists.php.net >Subject: [PHP-QA] playing with sessions... > >Hello, > >an overview of sessions in 4.1.0RC3 (compiled with --enable-trans-sid) > >-> register_globals = off > >session_is_registered() will return true but $_SESSION and >$HTTP_SESSION_VARS are empty. >This is unusable. > >-> register_globals = on + session.use_cookie = off > >Loose session when used on multiple pages. Single page works OK. >This configuration requires setting "?".session_name()."=".session_id() on >links for multiple pages sessions. > >-> register_globals = on + session.use_cookie = on > >Works well with both single and multiple pages (if the client accepts cookies). >Warning for those used to register_globals = off : > *ALL* session variables should be registered just after session_start(). > If you don't do that, you may set a global $var that will OVERRIDE >$_SESSION['var'] > which is not true with register_globals = off. > >Example : > ><?php > >session_start(); >if (!session_is_registered('count')) session_register('count'); >if (!session_is_registered('test')) session_register('test'); > >$count = NULL; // Will override $_SESSION['count'] !!! >// Instead you have to do : >$test = $_SESSION['test']; // which is empty by default, overriding any >globals sent by client. > >echo ++$count.":".++$test; >?> > >or you can use : > ><?php > >/* this was adapted from the manual */ >function session_init_var($var,$val) { > if (!session_is_registered($var)) { > global $var; > $var = $val; > return session_register($var); > } >} > >?> > >hellekin > > >