获取访问者的客户端IP地址

/**

* 获取访问者的 客户端的ip地址

*/

echo $ip = getIP();

function getIP() {
if ($_SERVER['HTTP_X_FORWARDED_FOR']){
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}elseif ($_SERVER['HTTP_CLIENT_IP']){
$ip = $_SERVER['HTTP_CLIENT_IP'];
}elseif ($_SERVER['REMOTE_ADDR']){
$ip = $_SERVER['REMOTE_ADDR'];
}elseif (getenv('HTTP_X_FORWARDED_FOR')){
$ip = getenv('HTTP_X_FORWARDED_FOR');
}elseif (getenv('HTTP_CLIENT_IP')){
$ip = getenv('HTTP_CLIENT_IP');
}elseif (getenv('REMOTE_ADDR')){
$ip = getenv('REMOTE_ADDR');
}else{
$ip = '';
}
return $ip;
}

以上就介绍了获取访问者的 客户端IP地址，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。