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
/** +----------------------------------------------------------------------------- * 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, $url）; //设置传输的urlcurl_setopt（$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ipcurl_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;}
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脚本之家。