session_destroy();

Posted on 16th Feb 2014 07:03 pm by admin

new to php
I have a simple login and am trying to write a logout.
I set a $_SESSION var to 1 if they are logged in:

if(isset($_POST['logname']))
{
$UserArr = chk_lgn($_POST['logname'],$_POST['passwd']);
$_SESSION['iden'] = $UserArr['UserId'];
$_SESSION['logname'] = $UserArr['logname'];
}

if($_SESSION['iden'] !=0)
{
$_SESSION['auth'] = 1;
header('location:../UserPage/index.php');
}

elseif($_SESSION['iden'] == 0)
{
$_SESSION['auth'] = 0;
if($_POST){echo "Try Again.";}
}

In a include file I have this function:

function log_out()
{
if($_GET[auth==0])
{
session_unset();
session_destroy();
}
}

At the top(of index) I call the function, fallowed this in the html:

<p><a href="../index.php?auth=0">LogOut</a></p>

When I click logout I am still able to navigate to member pages.
Shouldn't auth=0 in the url be stored in $_GET and be available for logout?
Thanks

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