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
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/**
+-----------------------------------------------------------------------------
* 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;
}
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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服务器之家。