PHP中获取当前页面完整url

在这里插入代码片

//获`echo $_SERVER[‘HTTP_HOST’].\”
\”; #localhost

//获取网页地址
echo $_SERVER[‘PHP_SELF’].\”
\”; #/blog/testurl.php

//获取网址参数
echo $_SERVER[“QUERY_STRING”].\”
\”; #id=5

//获取用户代理
echo $_SERVER[‘HTTP_REFERER’].\”
\”;

//获取完整的url
echo ‘http://’.SERVER[′HTTPHOST′]._SERVER[\’HTTP_HOST\’].S​ERVER[′HTTPH​OST′]._SERVER[‘REQUEST_URI’];
echo ‘http://’.SERVER[′HTTPHOST′]._SERVER[\’HTTP_HOST\’].S​ERVER[′HTTPH​OST′]._SERVER[‘PHP_SELF’].’?’.$_SERVER[‘QUERY_STRING’];
#http://localhost/blog/testurl.php?id=5

//包含端口号的完整url
echo ‘http://’.SERVER[′SERVERNAME′].′:′._SERVER[\’SERVER_NAME\’].\’:\’.S​ERVER[′SERVERN​AME′].′:′._SERVER[“SERVER_PORT”].$_SERVER[“REQUEST_URI”];
#http://localhost:80/blog/testurl.php?id=5

//只取路径
url=′http://′.url=\’http://\’.url=′http://′._SERVER[‘SERVER_NAME’].SERVER[\”REQUESTURI\”];echodirname(_SERVER[\”REQUEST_URI\”];echo dirname(S​ERVER[\”REQUESTU​RI\”];echodirname(url);
#http://localhost/blog`取域名或主机地址