#測(cè)試網(wǎng)址:? ? http://localhost/blog/testurl.php?id=5
//獲取域名或主機(jī)地址
echo$_SERVER['HTTP_HOST']."
";#localhost
//獲取網(wǎng)頁(yè)地址
echo$_SERVER['PHP_SELF']."
";#/blog/testurl.php
//獲取網(wǎng)址參數(shù)
echo$_SERVER["QUERY_STRING"]."
";#id=5
//獲取用戶(hù)代理
echo$_SERVER['HTTP_REFERER']."
";
//獲取完整的url
echo'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=5
//包含端口號(hào)的完整url
echo'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://localhost:80/blog/testurl.php?id=5
//只取路徑
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echodirname($url);
#http://localhost/blog
