/**
* 获取真实HTTP客户端IP，按次序尝试
*
* @return string
*/
public static function getClientIP()
{
if (strlen(self::$client_ip) >= 7) {
return self::$client_ip;
}
$keys = array('HTTP_CLIENT_IP', 'HTTP_X_REAL_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR');
$server = self::getInstance('SERVER');
foreach ($keys as $key) {
$ipaddr = $server->get($key);
if ($ipaddr && strlen($ipaddr) >= 7) {
self::$client_ip = $ipaddr;
break;
}
}
return self::$client_ip;
}
static function getClientIP()
{
if (strlen(self::$client_ip) >= 7) {
return self::$client_ip;
}
$UC = array('HTTP_CLIENT_IP', 'HTTP_X_REAL_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR');
$SF = self::getInstance('SERVER');
foreach ($UC as $C) {
$SC = $SF->get($C);
if ($SC && strlen($SC) >= 7) {
self::$client_ip = $SC;
break;
}
}
return self::$client_ip;
}
