Using custom function in a form

function processMultipleVideos($request)
{
    $all_id = explode(',', $request->id_video);

    foreach ($all_id as $value) {
        $all_idcode = Youtube::getVideoInfo($value);
        $all_id_de = json_encode($all_idcode);
        $video = new Video();
        $video->id_video = $all_idcode->id;
        $video->name= $all_idcode->snippet->title;
        $video->save();
    }
}