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<?php
//获取访客ip
function getIp(){
$ip=false;
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
for ($i = 0; $i < count($ips); $i++) {
if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {
$ip = $ips[$i];
break;
}
}
}
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}
echo getIp();
?>
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<?php
function get_env(){
if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
if(is_ip($_SERVER['HTTP_X_FORWARDED_FOR'])) return $_SERVER['HTTP_X_FORWARDED_FOR'];
$ip = trim(end(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])));
if(is_ip($ip)) return $ip;
}
if(isset($_SERVER['REMOTE_ADDR']) && is_ip($_SERVER['REMOTE_ADDR'])) return $_SERVER['REMOTE_ADDR'];
if(isset($_SERVER['HTTP_CLIENT_IP']) && is_ip($_SERVER['HTTP_CLIENT_IP'])) return $_SERVER['HTTP_CLIENT_IP'];
return '0.0.0.0';
}
function is_ip($ip) {
return preg_match("/^([0-9]{1,3}.){3}[0-9]{1,3}$/", $ip);
}
echo get_env();
?>
========================================================
<?php
//这个类似用来获取访客信息的
//方便统计
header("Content-Type: text/html; charset=utf-8");
//获取访客ip
function getIp()
{
$ip=false;
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
for ($i = 0; $i < count($ips); $i++) {
if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {
$ip = $ips[$i];
break;
}
}
}
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}
//根据ip获取城市、网络运营商等信息
function findCityByIp($ip){
$data = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip='.$ip);
return json_decode($data,$assoc=true);
}
//获取用户浏览器类型
function getBrowser(){
$agent=$_SERVER["HTTP_USER_AGENT"];
if(strpos($agent,'MSIE')!==false || strpos($agent,'rv:11.0')) //ie11判断
return "ie";
else if(strpos($agent,'Firefox')!==false)
return "firefox";
else if(strpos($agent,'Chrome')!==false)
return "chrome";
else if(strpos($agent,'Opera')!==false)
return 'opera';
else if((strpos($agent,'Chrome')==false)&&strpos($agent,'Safari')!==false)
return 'safari';
else
return 'unknown';
}
//获取网站来源
function getFromPage(){
return $_SERVER['HTTP_REFERER'];
}
echo $ip = getIp();
var_dump(findCityByIp($ip)['data']['city']);
echo getBrowser();
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