The problem there is that I have to test if the user has logged on so I need to include the if statement?
there are 2 tests to do:
1. check to see whether the user is logged on already 2. check to see whether the user is trying to log on
Can the session_start not be called from within an if statement?
not really, well you can but I can't think of any reason that you would want to conditionally start the session.
> Does it really have to be the very first
thing in the script,
you have to call it before you use the session (i.e. data stored in it).
if so I imagine that this means a single script cannot be used to manage a complete website?
it can. maybe if I rewrite you code a little it will help you understand:
<?php
session_start(); // always start the session.
// you want something more secure as a login procedure!
if($_POST["username"]=="rory") {
// if user logs in as rory
// then mark the user as logged in
// in the session
$_SESSION['loggedin'] = "yes";
}if ($_SESSION['loggedin'] == "yes") {
header("Cache-control: private");
}
Chris W. Parker wrote:
rory walsh <mailto:rorywalsh@xxxxxx> on Wednesday, March 02, 2005 11:19 AM said:
<?php if($_POST["username"]=="rory"){//if user logs in as rory start session session_start(); header("Cache-control: private"); $_SESSION['loggedin'] = "yes"; }
Put session_start(); at the *very* beginning of your script. See if that helps.
Chris.
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