这里有新鲜出炉的 PHP 教程,程序狗速度看过来!
PHP(外文名: Hypertext Preprocessor,中文名:"超文本预处理器")是一种通用开源脚本语言。语法吸收了 C 语言、Java 和 Perl 的特点,入门门槛较低,易于学习,使用广泛,主要适用于 web 开发领域。PHP 的文件后缀名为 php。
这篇文章主要为大家详细介绍了 php 检查代理 ip 有效性的代码,具有一定的实用价值,感兴趣的小伙伴们可以参考一下
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
- /**
- +-----------------------------------------------------------------------------
- * 检查代理ip信息有效性
- +-----------------------------------------------------------------------------
- * @param string $proxy_ip [117.95.100.126:8998]
- * @param int $times 执行检查次数
- * @return array
- * @author elinx <654753115@qq.com> 2016-07-29
- +-----------------------------------------------------------------------------
- */
- function check_proxy_ip_info($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_setopt($curl, CURLOPT_HTTPHEADER, array (
- 'Client_Ip: '.mt_rand(0, 255).'.'.mt_rand(0, 255).'.'.mt_rand(0, 255).'.'.mt_rand(0, 255),
- ));
- curl_setopt($curl, CURLOPT_HTTPHEADER, array (
- 'X-Forwarded-For: '.mt_rand(0, 255).'.'.mt_rand(0, 255).'.'.mt_rand(0, 255).'.'.mt_rand(0, 255),
- ));
- curl_setopt($curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
- curl_setopt($curl, CURLOPT_PROXY, $proxy_ip);
- }
- curl_setopt($curl, CURLOPT_COOKIEFILE, dirname(__FILE__).'/cookie.txt');
- curl_setopt($curl, CURLOPT_COOKIEJAR, dirname(__FILE__).'/cookie.txt');
- curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
- // $response_header = curl_getinfo($curl); // 获取返回response报头
- $content = curl_exec($curl);
- if (strstr($content, '百度一下,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;
- }
来源: http://www.phperz.com/article/17/0731/342981.html