php $_server application_PHP tutorial

[page]$_SERVER['PHP_SELF'] #The file name of the currently executing script, related to the document root.
$_SERVER['argv'] #Parameters passed to the script.
$_SERVER['argc'] #Contains the number of command line arguments passed to the program (if running in command line mode).
$_SERVER['GATEWAY_INTERFACE'] #The version of the CGI specification used by the server. For example, "CGI/1.1".
$_SERVER['SERVER_NAME'] #The name of the server host where the script is currently running.
$_SERVER['SERVER_SOFTWARE'] #The string of server identification, given in the header when responding to the request.
$_SERVER['SERVER_PROTOCOL'] #The name and version of the communication protocol when requesting the page. For example, "HTTP/1.0".
$_SERVER['REQUEST_METHOD'] #Request method when accessing the page. For example: "GET", "HEAD", "POST", "PUT".
$_SERVER['QUERY_STRING'] #Query string.
$_SERVER['DOCUMENT_ROOT'] #The document root directory where the currently running script is located. Defined in the server configuration file.
$_SERVER['HTTP_ACCEPT'] #Contents of the Accept: header of the current request.
$_SERVER['HTTP_ACCEPT_CHARSET'] #Contents of the Accept-Charset: header of the current request. For example: "iso-8859-1,*,utf-8".
$_SERVER['HTTP_ACCEPT_ENCODING'] #Contents of the Accept-Encoding: header of the current request. For example: "gzip".
$_SERVER['HTTP_ACCEPT_LANGUAGE']#Contents of the Accept-Language: header of the current request. For example: "en".
$_SERVER['HTTP_CONNECTION'] #Contents of the Connection: header of the current request. For example: "Keep-Alive".
$_SERVER['HTTP_HOST'] #The content of the Host: header of the current request.
$_SERVER['HTTP_REFERER'] #The URL address of the previous page linked to the current page.
$_SERVER['HTTP_USER_AGENT'] #Contents of the User_Agent: header of the current request.
$_SERVER['HTTPS'] — If accessed through https, it is set to a non-empty value (on), otherwise it returns off
$_SERVER['HTTP_X_FORWARDED_HOST']Usage of
This is added by proxy, marking the original visitor's address,
You can use it to get the real address of the user who accessed through the proxy server,
But if the proxy server does not provide this information, the address cannot be obtained! So what he gets is not necessarily the real user address.
But it may be used as a condition to increase the reliability of obtaining the user's address!
$_SERVER['HTTP_X_FORWARDED_HOST']) is the domain name or IP address used to obtain the proxy service.

ß---$host = isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ''); Get the server ip addressà

$_SERVER['REMOTE_ADDR'] #The IP address of the user who is browsing the current page.
$_SERVER['REMOTE_HOST'] #The host name of the user who is browsing the current page.
$_SERVER['REMOTE_PORT'] #The port used by users to connect to the server.
$_SERVER['SCRIPT_FILENAME'] #The absolute path name of the currently executing script.
$_SERVER['SERVER_ADMIN'] #Administrator information
$_SERVER['SERVER_PORT'] #Port used by the server
$_SERVER['SERVER_SIGNATURE'] #A string containing the server version and virtual host name.
$_SERVER['PATH_TRANSLATED'] #The base path of the file system (not the document root directory) where the current script is located.
$_SERVER['SCRIPT_NAME'] #Contains the path of the current script. This is useful when the page needs to point to itself.
$_SERVER['REQUEST_URI'] #The URI required to access this page. For example, "/index.html".
$_SERVER['PHP_AUTH_USER'] #When PHP is running in Apache module mode and is using the HTTP authentication function, this variable is the username entered by the user.
$_SERVER['PHP_AUTH_PW'] #When PHP is running in Apache module mode and is using the HTTP authentication function, this variable is the password entered by the user.
$_SERVER['AUTH_TYPE'] #When PHP is running in Apache module mode and is using the HTTP authentication function, this variable is the authentication type.

http://www.bkjia.com/PHPjc/621612.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/621612.htmlTechArticle[page]$_SERVER[PHP_SELF] #The file name of the currently executing script, related to document root. $_SERVER[argv] #Parameters passed to the script. $_SERVER[argc] #Contains the commands passed to the program...