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取得用户IP地址的PHP代码

  1. function getRealIpAddr()
  3. {
  4. if (!empty($_SERVER['HTTP_CLIENT_IP'])) //check ip from share internet
  5. {
  6. $ip=$_SERVER['HTTP_CLIENT_IP'];
  7. }
  8. elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) //to check ip is pass from proxy
  9. {
  10. $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
  11. }
  12. else
  13. {
  14. $ip=$_SERVER['REMOTE_ADDR'];
  15. }
  16. return $ip;
  17. }

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