<?php
// 设置IP，格式  ip:port
$proxyServer = "ip:port";

$ch = curl_init();
// 设置请求地址
curl_setopt($ch, CURLOPT_URL, "https://api.ip.cc");
// 设置IP，格式  http://ip:port
curl_setopt($ch, CURLOPT_PROXY, "http://$proxyServer");
// https请求 不验证证书和hosts
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

$output = curl_exec($ch);
if ($output === FALSE) {
    echo "CURL Error:" . curl_error($ch);
} else {
    echo $output;
}
curl_close($ch);