if($_SERVER['HTTP_CLIENT_IP']){
$onlineip=$_SERVER['HTTP_CLIENT_IP']; //获取用户的IP地址,需要底部的js方法文件 }elseif($_SERVER['HTTP_X_FORWARDED_FOR']){
$onlineip1=$_SERVER['HTTP_X_FORWARDED_FOR'];
}else{
$onlineip=$_SERVER['REMOTE_ADDR'];
} if($onlineip1 != '' && strlen($onlineip1)>15){
$var=explode(",",$onlineip1);
$onlineip=trim($var[1]);
}
$ipInfos = GetIpLookup($onlineip); //根据用户的IP获取地址 //结果集["country"]=> string(6) "中国" ["province"]=> string(6) "北京" ["city"]=> string(6) "北京" //根据用户IP获取其地址等信息 function GetIp(){
$realip = '';
$unknown = 'unknown'; if (isset($_SERVER)){ if(isset($_SERVER['HTTP_X_FORWARDED_FOR']) && !empty($_SERVER['HTTP_X_FORWARDED_FOR']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_FOR'], $unknown)){
$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
foreach($arr as $ip){
$ip = trim($ip); if ($ip != 'unknown'){
$realip = $ip; break;
}
}
}else if(isset($_SERVER['HTTP_CLIENT_IP']) && !empty($_SERVER['HTTP_CLIENT_IP']) && strcasecmp($_SERVER['HTTP_CLIENT_IP'], $unknown)){
$realip = $_SERVER['HTTP_CLIENT_IP'];
}else if(isset($_SERVER['REMOTE_ADDR']) && !empty($_SERVER['REMOTE_ADDR']) && strcasecmp($_SERVER['REMOTE_ADDR'], $unknown)){
$realip = $_SERVER['REMOTE_ADDR'];
}else{
$realip = $unknown;
}
}else{ if(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), $unknown)){
$realip = getenv("HTTP_X_FORWARDED_FOR");
}else if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), $unknown)){
$realip = getenv("HTTP_CLIENT_IP");
}else if(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), $unknown)){
$realip = getenv("REMOTE_ADDR");
}else{
$realip = $unknown;
}
}
$realip = preg_match("/[\d\.]{7,15}/", $realip, $matches) ? $matches[0] : $unknown; return $realip;
} function GetIpLookup($ip = ''){ if(empty($ip)){
$ip = GetIp();
}
$res = @file_get_contents('http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=' . $ip); if(empty($res)){ return false; }
$jsonMatches = array();
preg_match('#\{.+?\}#', $res, $jsonMatches); if(!isset($jsonMatches[0])){ return false; }
$json = json_decode($jsonMatches[0], true); if(isset($json['ret']) && $json['ret'] == 1){
$json['ip'] = $ip;
unset($json['ret']);
}else{ return false;
} return $json;
}
?>
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