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php 获取当前页面地址

WBOY
WBOYOriginal
2016-06-13 10:17:021985browse

在php中获取当前页面完整地址是需要通过各种函数与参考组合起来的,包括域名或主机地址 网页地址 网址参数 用户代理 端口号等。

基于函数了解


PHP实现:

 代码如下 复制代码

//获取域名或主机地址
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://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=5

//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://localhost:80/blog/testurl.php?id=5

//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);

实例

 代码如下 复制代码

/**
 * 获取当前页面地址
 *
 * @author bKjia.c0m
 */
function getPageUrl() {
 $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;
}

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