<?php
    require_once "class.php";
    $conn = new db_class();
    if(ISSET($_POST['signup'])){
            $username =   $_POST['username'];
            $password = $_POST['password'];
        //$username = mysql_real_escape_string($_POST['username']);
        //$password = mysql_real_escape_string($_POST['password']);
        $firstname = $_POST['firstname'];
        $lastname = $_POST['lastname'];
        $conn->save($username, $password, $firstname, $lastname);
        echo '<script>alert("Successfully saved!")</script>';
        echo '<script>window.location= "index.php"</script>';
    }
?>