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关于获取网站根目录的有关问题

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Release： 2016-06-13 12:11:58
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关于获取网站根目录的问题
域名访问：http://www.123.com
IP访问：http://123.123.123.123/hei

请问怎么不管用域名还是IP访问都能得到正确的根目录。$_SERVER['HTTP_HOST']用域名可以，但用ip就不对了
------解决思路----------------------

__DIR__
dirname($_SERVER['SCRIPT_FILENAME'])
getcwd
------解决思路----------------------
上传目录为接收上传的程序文件所在目录的相对路径即可

------解决思路----------------------
使用相对路径吧。
------解决思路----------------------
相对路径 字数补丁

Related labels：
dirname http server
source：php.cn
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