curl 连接失败 连接被拒绝

Question

我正在尝试在安装了 wamp 的服务器上连接 curl，但连接被拒绝 Failed to connect to centrala.ratt.ro port 47654: Connection refused我不知道为什么。如果我在浏览器中访问链接它可以工作，使用 php curl 它不工作。这是我的代码：

$url = "http://centrala.ratt.ro:47654/webhook/coordonate.php"; 



$ch = curl_init();
curl_setopt($ch, CURLOPT_PORT, 47654);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode ($result));
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER, 0);

// This should be the default Content-type for POST requests
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-type: application/json"));

$rezult = curl_exec($ch);
echo $rezult;
if(curl_exec($ch) === false)
{
    echo 'Curl error: ' . curl_error($ch);
}
else
{
    echo 'Operation completed without any errors';
}

curl_close($ch);

Answer 1

看了https://gustavostraube.wordpress.com/2016/08/31/debugging-requests-with-curl/;

/*
 * We're going to use the output buffer to store the debug info.
 */
ob_start();
$out = fopen('php://output', 'w');

$handler = curl_init($url);

/*
 * Here we set the library verbosity and redirect the error output to the 
 * output buffer.
 */
curl_setopt($handler, CURLOPT_VERBOSE, true);
curl_setopt($handler, CURLOPT_STDERR, $out);
curl_setopt($handler, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($handler);
fclose($out);
/*
 * Joining debug info and response body.
 */
$data = ob_get_clean();
$data .= PHP_EOL . $response . PHP_EOL;
echo $data;

查看/发布 $out 的输出以确定后续步骤；如果可以，您应该尝试在命令提示符下使用“-vvv”选项运行 curl 以获得类似的输出。