![PHP如何获取IPv6地址及$_SERVER[‘REMOTE_ADDR’]是否可靠？](https://img.php.cn/upload/article/001/246/273/173296964571923.jpg "PHP如何获取IPv6地址及$_SERVER[‘REMOTE_ADDR’]是否可靠？")
php 获取 ipv6 地址
如何使用 php 获取 ipv6 地址？$_server[‘remote_addr’] 是否可用？
答案
要获取 ipv6 地址，需要考虑以下脚本：
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if (isset($_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;
