function validate()
{
    include "wines.php";
    $username = $_REQUEST['username'];
    $password = $_REQUEST['password'];
    $obj = new wines();
    $obj->connect();
    $obj->validation($username, $password);
    if ($row = $obj->fetch()) {
        echo '{"status":1, "message":"User found"}';
    } else {
        echo '{"status":0, "message":"User not found"}';
    }
}