The content of this article is about PHP getting the real IP of the visitor. Now I share it with everyone. Friends in need can take a look
/**
* 获取来访者的真实IP
*
*/
function getRealIp() {
static $realip = null;
if($realip !== null) {
return $realip;
}
if(getenv('REMOTE_ADDR')) {
$realip = getenv('REMOTE_ADDR');
} else if(getenv('HTTP_CLIENT_IP')) {
$realip = getenv('HTTP_CLIENT_IP');
} else if (getenv('HTTP_X_FROWARD_FOR')) {
$realip = getenv('HTTP_X_FROWARD_FOR');
}
return $realip;
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