PHP 文件记录访问者IP实例代码

php 文件记录访问者IP实例代码 ,代码很少，在PHP环境里可以运行，希望可以帮助有需要的人。

2. $fp = fopen("log.txt","a ");
3. fwrite($fp,date("Y-m-d H:i:s"));
4. fwrite($fp," ");
5. fwrite($fp,$_SERVER[REMOTE_ADDR]);
6. fwrite($fp," ");
7. fwrite($fp,$_SERVER[HTTP_X_REWRITE_URL]);
8. fwrite($fp," ");
9. fwrite($fp,$_SERVER[HTTP_USER_AGENT]);
10. fwrite($fp," ");
11. fwrite($fp,$_SERVER["HTTP_REFERER"]);
12. fwrite($fp," ");
13. fclose($fp);
14. ?>