$data = array(
    "xxx" => 'xxx'
  );
  $data_string = json_encode($data);
  $ch = curl_init($api);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
  curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_HTTPHEADER, array(
      'Content-Type: application/json',
      'Content-Length: ' . strlen($data_string))
  );
  curl_setopt($ch, CURLOPT_TIMEOUT, 5);
  curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
  $result = curl_exec($ch);
  curl_close($ch);
  $data = json_decode($result);


foreach ($data->orders as $order) {
}

假設這樣我利用foreach印出所有數據
如何做出分頁？
或是對方需要怎麼處理這隻API呢？才能讓我用分頁？