php 怎么获取到当前访问的域名
php 如何获取到当前访问的域名
我有个a域名，解析到了b域名，然后访问a，我想用php获取a域名，但是打印出来的$_SERVER['HTTP_HOST']却是b域名，php有方法能直接获取到a域名吗
echo '<pre class="brush:php;toolbar:false">';<br /> print_r($_SERVER);<br /> exit;
结果如下图：
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a域名如何解析到b域名？
如果可以容忍js，就用location.href跳转到b
然后在b网站的$_SERVER['HTTP_REFERER']就能找到a的url
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我是说在a网站用js跳转
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302重定向不知道怎么捕捉
如果是js的跳转，有referer可以看到
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你的所谓 a域名解析到b域名 是怎么弄的
域名只能解析到ip
------解决思路----------------------
用了代理嗎？
------解决思路----------------------
我有个a域名，解析到了b域名?
不理解
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