php接入图灵机器人

$data = ‘{
    "reqType":0,
    "perception": {
        "inputText": {
            "text": "你是我"
        },      
        
        
    },
    "userInfo": {
        "apiKey": "你的秘钥",
        "userId": "用户id"
    }
}‘;
$url = "http://openapi.tuling123.com/openapi/api/v2";

$res = http_request($url, $data);
$json=json_decode($res);
$res1=$json->results;
$res2=$res1[0]->values->text;
var_dump($res2);

//HTTP请求（支持HTTP/HTTPS，支持GET/POST）
function http_request($url, $data = null)
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
    if (!empty($data)){
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    }
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
    $output = curl_exec($curl);
    curl_close($curl);
    return $output;
}