query("SELECT 'email' , 'password' FROM users WHERE 'email' = '$email' AND 'password' = '$passwor'") or die("ќшибка rfgasf" . mysqli_error($link));
$user = $result->fetch_assoc();
if((count($user)) == 0)
{
    echo md5("123456");
    exit();
} else if((count($user)) > 0) {
    echo "salam brat";
    exit();
}

setcookie('user', $user['nickname'], time() + 3600, "/");
mysqli_close($link);
?>