php代码检查代理ip的有效性

本文实例为大家分享了检查代理ip有效性PHP代码，稳定性，如错误率和查询用时

rush:PHP;"> /** +----------------------------------------------------------------------------- * 检查代理ip信息有效性 +----------------------------------------------------------------------------- * @param string $proxy_ip [117.95.100.126:8998] * @param int $times 执行检查次数 * @return array * @author elinx <[e-mail]> 2016-07-29 +----------------------------------------------------------------------------- */ function check_proxy_ip_info($proxy_ip=false,$times=10) { $header = array( // "GET / HTTP/1.1",// "HOST: www.baidu.com","accept: application/json","accept-encoding: gzip,deflate","accept-language: en-US,en;q=0.8","content-type: application/json","user-agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/51.0.2704.106 Safari/537.36",); $url = 'http://www.baidu.com/'; $result['succeed_times'] = 0; //成功次数 $result['defeat_times'] = 0; //失败次数 $result['total_spen'] = 0; //总用时 for ($i=0; $i < $times; $i++) { $s = microtime(); $curl = curl_init(); curl_setopt($curl,CURLOPT_URL,$url); //设置传输的url curl_setopt($curl,CURLOPT_HTTPHEADER,$header); //发送http报头 curl_setopt($curl,CURLOPT_RETURNTRANSFER,1); curl_setopt($curl,CURLOPT_ENCODING,'gzip,deflate'); // 解码压缩文件 curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,false); //不验证证SSL书 curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,false); //不验证SSL证书

if (@$proxy_ip != false) { //使用代理ip
  curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($curl,array (
    'Client_Ip: '.mt_rand(0,255).'.'.mt_rand(0,255),));
  curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($curl,array (
    'X-Forwarded-For: '.mt_rand(0,CURLOPT_PROXYTYPE,CURLPROXY_HTTP);
  curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($curl,CURLOPT_PROXY,$proxy_ip);
}

curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($curl,CURLOPT_COOKIEFILE,dirname(__FILE__).'/cookie.txt');
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($curl,CURLOPT_COOKIEJAR,CURLOPT_TIMEOUT,30); // 设置超时限制防止死循环
// $response_header = curl_getinfo($curl); // <a href="https://www.jb51.cc/tag/huoqu/" target="_blank" class="keywords">获取</a>返回response报头
$content = curl_exec($curl);
if (strstr($content,'<a href="https://www.jb51.cc/tag/baidu/" target="_blank" class="keywords">百度</a>一下，你就知道')) {
  $result['list'][$i]['status'] = 1;
  $result['succeed_times'] += 1;
} else {
  $result['list'][$i]['status'] = 0;
  $result['defeat_times'] += 1;
}
$e = microtime();
$result['total_spen']     += abs($e-$s);
$result['list'][$i]['spen']  = abs($e-$s);
$result['list'][$i]['content'] = json_encode($content,true);
// $result['list'][$i]['response_header'] = $response_header;

}
$result['precent'] = (number_format($result['succeed_times']/$times,4)*100).'%';
$result['average_spen'] = number_format($result['total_spen']/$times,4);
return $result;
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持编程之家。