如何编写securetrading.com支付网关的php curl请求

<?php
$url = "https://securetrading.com/payment";
$merchantSiteID = "YOUR_MERCHANT_SITE_ID";
$merchantPassword = "YOUR_MERCHANT_PASSWORD";

$data = array(
    "merchant" => $merchantSiteID,
    "password" => $merchantPassword,
    // 其他请求参数
);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 忽略SSL证书验证（仅用于开发环境）

$response = curl_exec($ch);
if ($response === false) {
    echo "CURL Error: " . curl_error($ch);
} else {
    // 处理响应数据
    echo $response;
}

curl_close($ch);