php 获取域名等Url

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

<?php //获取域名或主机地址 echo $_SERVER['HTTP_HOST']."<br />"; //获取网页地址 echo $_SERVER['PHP_SELF']."<br />"; //获取网址参数 echo $_SERVER["QUERY_STRING"]."<br />"; //获取用户代理 echo $_SERVER['HTTP_REFERER']."<br />"; //获取完整的url echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']; //包含端口号的完整url echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; //只取路径 $url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"]; echo dirname($url); ?>