注意:未定义的索引:HTTP_REFERER
$ http_referer = $ _SERVER ['HTTP_REFERER']
我在教程中使用了它.它看起来没问题
代码也是从包含文件调用它
我应该改变什么？
我添加了print_r($ _ SERVER); 现在页面给了我这个
Array ([UNIQUE_ID] => UoSxWa56310AAAwUckIAAAAA
[HTTP_HOST] => movafaghha.com
[HTTP_COOKIE] => __utma=210711305.58608218.1372977010.1372977010.1372977010.1; __utmz=210711305.1372977010.1.1.utmcsr=who.is|utmccn=(referral)|utmcmd=referral|utmcct=/whois/movafaghha.com; PHPSESSID=83eb0e2ae7ebe4b6c2eeb071d9f5de71
[HTTP_X_REAL_IP] => 109.109.41.81
[HTTP_X_FORWARDED_HOST] => movafaghha.com
[HTTP_X_FORWARDED_SERVER] => movafaghha.com
[HTTP_X_FORWARDED_FOR] => 109.109.41.81
[HTTP_CONNECTION] => close
[HTTP_CACHE_CONTROL] => max-age=0
[HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
[HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.48 Safari/537.36
[HTTP_ACCEPT_LANGUAGE] => en-US,en;q=0.8,fa;q=0.6
[PATH] => /sbin:/usr/sbin:/bin:/usr/bin
[SERVER_SIGNATURE] =>
[SERVER_SOFTWARE] => Apache
[SERVER_NAME] => movafaghha.com
[SERVER_ADDR] => 174.122.223.93
[SERVER_PORT] => 80 …