PHP获取客户端IP地址函数（兼容多种情况）

function get_client_ip() { if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) $ip = getenv("HTTP_CLIENT_IP"); else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) $ip = getenv("HTTP_X_FORWARDED_FOR"); else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) $ip = getenv("REMOTE_ADDR"); else if (isset($_SERVER ['REMOTE_ADDR']) && $_SERVER ['REMOTE_ADDR'] && strcasecmp($_SERVER ['REMOTE_ADDR'], "unknown")) $ip = $_SERVER ['REMOTE_ADDR']; else $ip = "unknown"; return ($ip);}

• 0
• 0
• 0
• 0
• 0