PHP获取真实IP地址（获取本地127.0.0.1真实地址）
PHP获取真实IP地址
public function get_real_ip(){
static $realip;
if(isset($_SERVER)){
if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])){
$realip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}else if(isset($_SERVER['HTTP_CLIENT_IP'])){
$realip=$_SERVER['HTTP_CLIENT_IP'];
}else{
$realip=$_SERVER['REMOTE_ADDR'];
}
}else{
if(getenv('HTTP_X_FORWARDED_FOR')){
$realip=getenv('HTTP_X_FORWARDED_FOR');
}else if(getenv('HTTP_CLIENT_IP')){
$realip=getenv('HTTP_CLIENT_IP');
}else{
$realip=getenv('REMOTE_ADDR');
}
}
return $realip;
}
public function get_real_ip__()
{
$ip=FALSE;
//客户端IP 或 NONE
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
//多重代理服务器下的客户端真实IP地址（可能伪造）,如果没有使用代理，此字段为空
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode(", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
for ($i = 0; $i <($ips); $i++) {
if (!eregi("^(10│172.16│192.168).", $ips[$i])) {
$ip = $ips[$i];
break;
}
}
}
//客户端IP 或 (最后一个)代理服务器 IP
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}
public function get_real_ip_(){
$ip=false;
if(!empty($_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(!preg_match ('/^(10│172.16│192.168)./', $ips[$i])){
$ip=$ips[$i];
break;
}
}
}
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}
public function getLocalIP() {
$preg = "/\A((([0-9]?[0-9])|(1[0-9]{2})|(2[0-4][0-9])|(25[0-5]))\.){3}(([0-9]?[0-9])|(1[0-9]{2})|(2[0-4][0-9])|(25[0-5]))\Z/";
//获取操作系统为win2000/xp、win7的本机IP真实地址
exec("ipconfig", $out, $stats);
if (!empty($out)) {
foreach ($out AS $row) {
if (strstr($row, "IP") && strstr($row, ":") && !strstr($row, "IPv6")) {
$tmpIp = explode(":", $row);
if (preg_match($preg, trim($tmpIp[1]))) {
return trim($tmpIp[1]);
}
}
}
}
//获取操作系统为linux类型的本机IP真实地址
exec("ifconfig", $out, $stats);
if (!empty($out)) {
if (isset($out[1]) && strstr($out[1], 'addr:')) {
$tmpArray = explode(":", $out[1]);
$tmpIp = explode(" ", $tmpArray[1]);
if (preg_match($preg, trim($tmpIp[0]))) {
return trim($tmpIp[0]);
}
}
}
return '127.0.0.1';
}
