恳请高手帮手把ASP代码改成PHP。万分感谢！

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent]
@="Googlebot/2.1"
"Compatible"="+http://www.baidu.com/search/spider.html"

请高手们帮帮小弟把以上代码改成PHP的。万分感谢！