PHP獲取當前頁面的url

 

//獲取域名或主機地址 echo $_SERVER['HTTP_HOST']."<br>";#localhost 
//獲取網頁網址 echo $_SERVER['PHP_SELF']."<br>";
 //獲取網址參數 echo $_SERVER['QUERY_STRING']."<br>"; 
//獲取用戶代理 echo $_SERVER['HTTP_REFERER']."<br>"; 
//獲取完整的url echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br>";
 echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']."<br>"; 
//包含端口號的完整url echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]."<br>"; 
//只取路徑 $url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"]; echo dirname($url);