Esta esta mas completa
Código PHP:
Ver originalif(isset($_POST['submit'])){ $dbHost = "localhost"; // servidor
$dbUser = "username"; // usuario de base de datos
$dbPass = "password"; // pass de base de datos de usuario
$dbDatabase = "db_name"; // nombre de la base de datos
$db = mysql_connect($dbHost,$dbUser,$dbPass)or
die("Error connecting to database."); // contectar a la base de datos
// seleccionar base de datos
"SELECT * FROM users_table
WHERE username='$usr' AND
password='$pas'
LIMIT 1"
);
$_SESSION['username'] = $row['username'];
$_SESSION['fname'] = $row['first_name'];
$_SESSION['lname'] = $row['last_name'];
$_SESSION['logged'] = TRUE;
header("Location: users_page.php"); } else {
header("Location: login_page.php"); }
} else {
header("Location: index.php"); }