PHP编程中经常需要用到一些服务器的一些资料,特把$_SERVER的详细参数整理下,方便以后使用。
$_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['GATEWAY_INTERFACE'] #服务器使用的 CGI 规范的版本。例如,“CGI/1.1”。 $_SERVER['SERVER_NAME'] #当前运行脚本所在服务器主机的名称。 $_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_PROTOCOL'] #请求页面时通信协议的名称和版本。例如,“HTTP/1.0”。 $_SERVER['REQUEST_METHOD'] #访问页面时的请求方法。例如:“GET”、“HEAD”,“POST”,“PUT”。 $_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['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['SCRIPT_FILENAME'] #当前执行脚本的绝对路径名。 $_SERVER['SERVER_ADMIN'] #管理员信息 $_SERVER['SERVER_PORT'] #服务器所使用的端口 $_SERVER['SERVER_SIGNATURE'] #包含服务器版本和虚拟主机名的字符串。 $_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['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['REQUEST_URI'] #访问此页面所需的 URI。例如,“/index.html”。 $_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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