keyboard

        //inline tombol kolom
        $ar1 = array();
        $ar2 = array();
        $ar3 = array("text" => "ulala", "callback_data" => "asdasd");

        $tambahan = array("text" => "tambahan", "callback_data" => "tamboh");
        $tambahan2 = array("text" => "tambahan 2", "callback_data" => "tamboh");

        array_push($ar2,$tambahan);
        array_push($ar2,$ar3);
        array_push($ar1,$ar2);

        print_r(json_encode($ar1));


        // percobaan penambahan tombol dibaris
        $ar1 = array();
        $ar2 = array();
        $ar3 = array("text" => "ulala", "callback_data" => "asdasd");

        $tambahan = array("text" => "tambahan", "callback_data" => "tamboh");
        $tambahan2 = array("text" => "tambahan 2 gan", "callback_data" => "tamboh");

        //tombol baris
        array_push($ar1,$tambahan2);

        //tombol kesamping
        array_push($ar2,$tambahan);
        array_push($ar2,$ar3);
        array_push($ar1,$ar2);

        print_r(json_encode($ar1));