Home Backend Development PHP Tutorial PHP截取当前URL并获取当前页面想要的URL信息

PHP截取当前URL并获取当前页面想要的URL信息

Jun 20, 2016 pm 12:43 PM

PHP截取当前URL并获取当前页面想要的URL信息

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在PHP中获取当前页面的URL信息

<?  
//获取当前的域名:  
echo $_SERVER['SERVER_NAME'];  
//获取来源网址,即点击来到本页的上页网址  
echo $_SERVER["HTTP_REFERER"];  
$_SERVER['REQUEST_URI'];//获取当前域名的后缀  
$_SERVER['HTTP_HOST'];//获取当前域名  
dirname(__FILE__);//获取当前文件的物理路径  
dirname(__FILE__)."/../";//获取当前文件的上一级物理路径  
?>
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#测试网址:     http://www.php.cn/blog/test.php?act=checkcode

//获取域名或主机地址 
echo $_SERVER['HTTP_HOST']."<br>"; #www.php.cn

//获取网页地址 
echo $_SERVER['PHP_SELF']."<br>"; #/blog/test.php

//获取网址参数 
echo $_SERVER["QUERY_STRING"]."<br>"; #act=checkcode

//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'];
# http://www.php.cn/blog/test.php?act=checkcode

//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; 
# http://www.php.cn:80/blog/test.php?act=checkcode

//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"]; 
echo dirname($url);
#http://www.php.cn:80/blog
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