thêm chức năng nghe nhạc cho chatfuel

nghe nhạc.php

<?php
$query = $_GET["song"];
$url = 'https://www.nhaccuatui.com/tim-kiem/bai-hat?q=' . urlencode($query); 
$result = file_get_contents($url);
$step = explode('<a href="https://www.nhaccuatui.com/bai-hat/', $result)[1];

$idbaihat =explode(".",$step)[1];

if ($idbaihat != "") {
$token = gettoken();
if ($token != "") {
$data = getlink($idbaihat, $token);

$linkplay = $data->data->{7};
$link128 = $data->data->{11};
$thumbnail = $data->data->{8};
$tenbaihat = $data->data->{2};
$casy = $data->data->{3};
if ($tenbaihat != "") {

$messages[] = array(
'text' => "Bài " . $tenbaihat . " của ca sĩ " . $casy . " phải không?"
);
$messages[] = array(
'attachment' => array(
'type' => 'audio',
'payload' => array(
'url' => $linkplay
)
)
);
$msg = array(
'messages' => $messages
);

echo json_encode($msg);
} else {
echo '{"messages": [{"text": "Không tìm được bài này"}]}';
}
} else {
echo '{"messages": [{"text": "Không tìm được bài này"}]}';
}
} else {
echo '{"messages": [{"text": "Không tìm được bài này"}]}';
}
function gettoken()
{
$headers = array();
$headers[] = 'Content-Type: application/x-www-form-urlencoded';
$headers[] = 'Host: graph.nhaccuatui.com';
$headers[] = 'Connection: Keep-Alive';


$c = curl_init();
curl_setopt($c, CURLOPT_URL, "https://graph.nhaccuatui.com/v1/commons/token");
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($c, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
curl_setopt($c, CURLOPT_HTTPHEADER, $headers);
curl_setopt($c, CURLOPT_POST, 1);
curl_setopt($c, CURLOPT_POSTFIELDS, "deviceinfo=%7B%22DeviceID%22%3A%22dd03852ada21ec149103d02f76eb0a04%22%2C%22DeviceName%22%3A%22AppTroLyBeDieu%22%2C%22OsName%22%3A%22WINDOWS%22%2C%22OsVersion%22%3A%228.0%22%2C%22AppName%22%3A%22NCTTablet%22%2C%22AppTroLyBeDieu%22%3A%221.3.0%22%2C%22UserName%22%3A%220%22%2C%22QualityPlay%22%3A%22128%22%2C%22QualityDownload%22%3A%22128%22%2C%22QualityCloud%22%3A%22128%22%2C%22Network%22%3A%22WIFI%22%2C%22Provider%22%3A%22NCTCorp%22%7D&md5=ebd547335f855f3e4f7136f92ccc6955&timestamp=1499177482892");


$page = curl_exec($c);
curl_close($c);

$infotoken = json_decode($page);
$token = $infotoken->data->accessToken;
return $token;
}


function getlink($idbaihat, $token)
{
$linklist = 'https://graph.nhaccuatui.com/v1/songs/' . $idbaihat . '?access_token=' . $token;
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $linklist);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($c, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);

$page = curl_exec($c);
curl_close($c);

$data = json_decode($page);
return $data;
}