<?php
// connection to MySQL server
mysql_connect('localhost','root','');
mysql_select_db('administration');
 
 
if (isset($_POST['username'])) {
  $loginUsername=$_POST['username'];
  $loginPassword=$_POST['password']; 
  $MM_redirectLoginSuccess = "validated.php";
  $MM_redirectLoginFailed = "admin.php";
  $MM_redirecttoReferrer = true;
 
  $errors = array();
 
	 if(empty($_POST['username'])) {
		$errors[] = 'You think whom going to fill up the USERNAME for you?';
	 }	
	 if(empty($_POST['password'])) {
		$errors[] = 'You think whom going to fill up the PASSWORD for you?';
	 }	
	if (empty($errors)) {
 
  $loginUsername = get_magic_quotes_gpc() ? $loginUsername : addslashes($loginUsername);
  $password = get_magic_quotes_gpc() ? $password : addslashes($password);
  $LoginRS_query = "SELECT username, password FROM adminprofile WHERE username='$loginUsername' AND password='$loginPassword'";
  $LoginRS = mysql_query($LoginRS_query) or die(mysql_error());
  $loginFoundUser = mysql_num_rows($LoginRS);
 
  if ($loginFoundUser) {
 
	session_name ('YourVisitID');
	session_start();
	$_SESSION['user_id'] = $loginFoundUser[0];
	$_SESSION['first_name'] = $loginFoundUser[1];
	$_SESSION['agent'] = md5($_SERVER['HTTP_USER_AGENT']);
 
    echo "<script type='text/javascript'>location.href='$MM_redirectLoginSuccess';</script>";
	exit();
	}
  else {
 
    echo "<script type='text/javascript'>location.href='$MM_redirectLoginFailed';</script>";
}
}
mysql_close();
}
 
?>

<?php
 
session_name ('YourVisitID');
session_start(); // Start the session.
$MM_redirectLoginFailed = "admin.php";
$MM_redirecttoReferrer = true;
 
// If no session value is present, redirect the user.
if (!isset($_SESSION['agent']) OR ($_SESSION['agent'] != md5($_SERVER['HTTP_USER_AGENT'])) ) {
 
	echo "<script type='text/javascript'>location.href='$MM_redirectLoginSuccess';</script>";
	exit(); // Quit the script.
}
 
?>

<?php //page1.php
session_start();
$_SESSION['name']="test";
header("location: page2.php");
?>

<?php
session_start();
print_r($_SESSION);
?>