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检查代理ip的有效性,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 $times 执行检查次数 * @return array * @author elinx <[email protected]> 2016-07-29 +----------------------------------------------------------------------------- */ function check_proxy_ip_info($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($curl,array ( 'Client_Ip: '.mt_rand(0,255).'.'.mt_rand(0,255),)); curl_setopt($curl,array ( 'X-Forwarded-For: '.mt_rand(0,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,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; }
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