سلام، curlFile اگر روی سرور فعال هست استفاده کنید :
کد:
$token='bot93735019:AAHjnEyT614C5nXDxWpiouLZQ1B1sxbpzO4';
$ch = curl_init('https://api.telegram.org/'.$token.'/SendAudio');
$cfile = new CURLFile(realpath('Test.mp3'),'audio/mpeg3','Test.mp3');
$data = array('chat_id' => '108432389', 'audio' => $cfile );
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$result=curl_exec($ch);
$obj=json_decode($result);
$fileID=$obj->result->audio->file_id;
file_put_contents('FileID.txt',$fileID);