<?php
/*
If you enable register_globals, session_unregister() should be used since session
variables are registered as global variables when session data is deserialized.
http://www.php.net/manual/en/ref.session.php
*/
session_start();
function session_clear() {
// if session exists, unregister all variables that exist and destroy session
$exists = "no";
$session_array = explode(";",session_encode());
for ($x = 0; $x < count($session_array); $x++) {
$name = substr($session_array[$x], 0, strpos($session_array[$x],"|"));
if (session_is_registered($name)) {
session_unregister('$name');
$exists = "yes";
}
}
if ($exists != "no") {
session_destroy();
}
}
session_clear();
if(!session_is_registered(session_name())) {
echo"<h1>Logged out</h1>";
}else{
echo"<h1 style=\"color:red;\">NOT Logged Out</h1>";
echo"Please contact the system administrator.";
}
?>