function generateSSOUrl($base_url, $secret, $id)

{

    // dd($base_url, $secret, $id);

    $signature = hash_hmac('sha256', $base_url, $secret);

    $signature = $signature . '.' . $id;

    $sso_url = "{$base_url}?signature={$signature}";

​

    return $sso_url;

}