常用函數
代碼如下 復制代碼
//獲取域名或主機地址
echo $_SERVER['HTTP_HOST']."<br>"; #localhost
//獲取網頁地址
echo $_SERVER['PHP_SELF']."<br>"; #/blog/testurl.php
//獲取網址參數
echo $_SERVER["QUERY_STRING"]."<br>"; #id=5
//獲取用戶代理
echo $_SERVER['HTTP_REFERER']."<br>";
//獲取完整的url
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=5
//包含端口號的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://www.111cn.net /blog/testurl.php?id=5
//只取路徑
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);
#http://localhost/blog
看個例子,可以獲取完整url
代碼如下 復制代碼<?php
// 說明:獲取完整url
function curpageurl()
{
$pageurl = 'http';
if ($_server["https"] == "on")
{
$pageurl .= "s";
}
$pageurl .= "://";
if ($_server["server_port"] != "80")
{
$pageurl .= $_server["server_name"] . ":" . $_server["server_port"] . $_server["request_uri"];
}
else
{
$pageurl .= $_server["server_name"] . $_server["request_uri"];
}
return $pageurl;
}
?>