检查返回值函数从php在其他文件中

Question

你好我有问题，从php中的其他类/文件检查返回值函数。

此文件fungsi.php

function pendaftaranUser($iduser,$nrp,$pas){
    global $koneksi;

    $hasil = '';

    //melakukan pengecekan nrp dan password
    $querycekAuth = mysql_query("select nrp from user_login where nrp ='$nrp' and password='$pas' ");
    $cekAuth = mysql_num_rows($querycekAuth);
    if($cekAuth != 0)
    {
        //melakukan pengecekan apakah id Telegram sudah terdaftar atau belum
        $querycekUser = mysql_query("select nrp from userbot where idTelegram = '$iduser'");
        $cekUser = mysql_num_rows($querycekUser);
        if($cekUser == 0)
        {
            $queryTambah = mysql_query("insert into userbot(idTelegram,nrp) values($iduser,$nrp)");
            $hasil .= " Selamat NRP $nrp berhasil didaftar.";

        }
        else
        {
            while($row = mysql_fetch_array($querycekUser))
            {
                $hasil .= " ID Telegram anda telah terdaftar sebagai ".$row['nrp'];
                $hasil .= "\n 1 ID hanya dapat mendaftarkan 1 User saja.";
            }
        }
    }
    else 
    {
        $hasil .= "⛔️ Gagal!\n\n NRP dan Password tidak sesuai.";
    }

    return $hasil;
}

我想在proses.php

中显示值之前检查值return $ hasil

                 case 'daftar':
                    sendApiAction($idchat);
                    if(isset($pecah[1]) && isset($pecah[2])){
                        $nrp = $pecah[1];
                        $pas = $pecah[2];
                        $text = pendaftaranUser($iduser,$nrp,$pas);

                        //if $text value is '⛔️ Gagal...' i want the sendApiMsg is called.
                        if(pendaftaranUser($iduser,$nrp,$pas) === '⛔️ Gagal!\n\n NRP dan Password tidak sesuai.'){
                            sendApiMsg($idchat, $text);
                        }
                        //this condition if $text value is ' Selamat NRP....' and called funtion apiRequestJson  
                        else {
                        apiRequestJson("sendMessage", array('chat_id' => $idchat, "text" => $text, 'reply_markup'=>$keyboard_full));
                        }


                    } else {
                        $text = "Pendaftaran akun Anda Gagal.\n\n";
                        $text .= "Contoh: daftar [NRP] [Kata Sandi]";
                        sendMessage($idpesan, $idchat, $text);
                    } 
                    break;

我为电报机器人创建了这个代码。如果我得到$ text是'Gagal ..'的错误条件我不会显示键盘，但如果$ text是成功键盘显示。如何在使用php调用sendMessage或apiRequestJson for telegram bot之前先检查这个条件？