用php (curl)发送post json

$data = array(
  'name' => 'John Doe',
  'email' => 'john@example.com'
);
$jsonData = json_encode($data);

$curl = curl_init();
$url = 'https://api.example.com/endpoint';
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($curl, CURLOPT_POSTFIELDS, $jsonData);

$response = curl_exec($curl);
$responseCode = curl_getinfo($curl, CURLINFO_RESPONSE_CODE);

curl_close($curl);