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PHP中$_SERVER 变量使用整理

Jun 20, 2016 pm 01:05 PM
php

PHP中$_SERVER 变量整理

当前url:

'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
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$_SERVER变量汇总

$_SERVER['QUERY_STRING']            //查询(query)的字符串。
 
$_SERVER['DOCUMENT_ROOT']           //当前运行脚本所在的文档根目录。在服务器配置文件中定义。
$_SERVER['PATH_TRANSLATED']         //当前脚本所在文件系统(不是文档根目录)的基本路径。
$_SERVER['PHP_SELF']                //当前正在执行脚本的文件名,与 document root 相关。
 
$_SERVER['argv']                    //传递给该脚本的参数。
$_SERVER['argc']                    //包含传递给程序的命令行参数的个数(如果运行在命令行模式)。
 
$_SERVER['HTTP_ACCEPT']             //当前请求的 Accept: 头部的内容。
$_SERVER['HTTP_ACCEPT_CHARSET']     //当前请求的 Accept-Charset: 头部的内容。例如:“iso-8859-1,*,utf-8”。
$_SERVER['HTTP_ACCEPT_ENCODING']    //当前请求的 Accept-Encoding: 头部的内容。例如:“gzip”。
$_SERVER['HTTP_ACCEPT_LANGUAGE']    //当前请求的 Accept-Language: 头部的内容。例如:“en”。
$_SERVER['HTTP_CONNECTION']         //当前请求的 Connection: 头部的内容。例如:“Keep-Alive”。
$_SERVER['HTTP_HOST']               //当前请求的 Host: 头部的内容。
$_SERVER['HTTP_REFERER']            //链接到当前页面的前一页面的 URL 地址。
$_SERVER['HTTP_USER_AGENT']         //当前请求的 User_Agent: 头部的内容。
$_SERVER['HTTPS']                   //如果通过https访问,则被设为一个非空的值(on),否则返回off
 
$_SERVER['REMOTE_ADDR']             //正在浏览当前页面用户的 IP 地址。
$_SERVER['REMOTE_HOST']             //正在浏览当前页面用户的主机名。
$_SERVER['REMOTE_PORT']             //用户连接到服务器时所使用的端口。
 
$_SERVER['REQUEST_URI']             //访问此页面所需的 URI。例如,“/index.html”。
$_SERVER['REQUEST_METHOD']          //访问页面时的请求方法。例如:“GET”、“HEAD”,“POST”,“PUT”。
 
$_SERVER['SCRIPT_NAME']             //包含当前脚本的路径。这在页面需要指向自己时非常有用。
$_SERVER['SCRIPT_FILENAME']         //当前执行脚本的绝对路径名。
 
$_SERVER['SERVER_ADMIN']            //管理员信息
$_SERVER['SERVER_NAME']             //当前运行脚本所在服务器主机的名称。
$_SERVER['SERVER_SIGNATURE']        //包含服务器版本和虚拟主机名的字符串。
$_SERVER['SERVER_SOFTWARE']         //服务器标识的字串,在响应请求时的头部中给出。
$_SERVER['SERVER_PORT']             //服务器所使用的端口
$_SERVER['SERVER_PROTOCOL']         //请求页面时通信协议的名称和版本。例如,“HTTP/1.0”。
$_SERVER['GATEWAY_INTERFACE']       //服务器使用的 CGI 规范的版本。例如,“CGI/1.1”。
 
$_SERVER['PHP_AUTH_USER']           //当 PHP 运行在 Apache 模块方式下,并且正在使用 HTTP 认证功能,这个变量便是用户输入的用户名。
$_SERVER['PHP_AUTH_PW']             //当 PHP 运行在 Apache 模块方式下,并且正在使用 HTTP 认证功能,这个变量便是用户输入的密码。
$_SERVER['AUTH_TYPE']               //当 PHP 运行在 Apache 模块方式下,并且正在使用 HTTP 认证功能,这个变量便是认证的类型。
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