php - 我想用代理创建 curl 在 php 中查找 ip 基本示例

Question

我想用代理创建一个 curl 并找到代理基本示例的 Ip

我写的代码属于follow

<?php
$proxy_ip = '76.27.149.203';
$proxy_port = '8080';
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "http://automation.whatismyip.com/n09230945.asp");
    curl_setopt($ch, CURLOPT_USERAGENT, $agent);
    curl_setopt ($ch, CURLOPT_HTTPHEADER, Array("Content-Type: application/x-www-form-urlencoded","Accept: */*"));
    curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_PROXYPORT, $proxy_port);
    curl_setopt($ch, CURLOPT_PROXY, $proxy_ip);
    curl_setopt( $ch, CURLOPT_AUTOREFERER, 1);
    $head = curl_exec($ch);
    var_dump($head);
    //var_dump(curl_getinfo($ch));
?>