代码很简洁,功能很实用,这里就不多废话了,直接奉上:
复制代码 代码如下:<?php/** * 获取客户端IP * @param integer $type 返回类型 0:string,1:long * @return string|long */function getClientIp($type = 0) { $ip = NULL; if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])) { $arr = explode(",", $_SERVER["HTTP_X_FORWARDED_FOR"]); $pos = array_search("unknown",$arr); if(false !== $pos) unset($arr[$pos]); $ip = trim($arr[0]); }elseif (isset($_SERVER["HTTP_CLIENT_IP"])) { $ip = $_SERVER["HTTP_CLIENT_IP"]; }elseif (isset($_SERVER["REMOTE_ADDR"])) { $ip = $_SERVER["REMOTE_ADDR"]; } $long = sprintf("%u", ip2long($ip)); $ip = $long ? array($ip, $long) : array("0.0.0.0", 0); return $ip[$type];}/** * 获取IP信息 * @param string|long $ip IP地址 * @return array */function getIpInfo($ip){ if (is_long($ip)) { $ip = long2ip($ip); } $api = "http://ip.taobao.com/service/getIpInfo.php"; $ret = file_get_contents($api . "?ip=" . $ip); $ret = json_decode($ret, true); if ($ret["code"] == 0) { return $ret["data"]; } return array();}
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