Twitch API Usage

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.twitch.tv/kraken/user");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");

$headers = array();
$headers[] = "Accept: application/vnd.twitchtv.v5+json";
$headers[] = "Client-ID: " . TWITCH_API_KEY;
$headers[] = "Authorization: OAuth " . $_GET['code'];
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$result = json_decode(curl_exec($ch));
if (curl_errno($ch)) {
    echo 'Error:' . curl_error($ch);
}
curl_close ($ch);