Compilation of detailed information on $_SERVER in PHP_PHP tutorial

Whether they are beginners or PHP programmers, when they use PHP language for actual code operations, they more or less need some auxiliary materials to help them complete the coding. Below, we will introduce you to the specific information about $_SERVER in PHP in detail. We hope it will be helpful to you.

　$_SERVER[‘PHP_SELF‘] #The file name of the currently executing script, related to the document root.

　In PHP $_SERVER$_SERVER[‘argv‘] #The parameters passed to the script.

　$_SERVER[‘argc‘] #Contains the number of command line parameters passed to the program (if running in command line mode).

　$_SERVER[‘GATEWAY_INTERFACE‘] #The version of the CGI specification used. 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.

　In PHP $_SERVER$_SERVER[‘SERVER_PROTOCOL‘] #The name and version of the communication protocol when requesting the page. For example, "HTTP/1.0".

　$_SERVER[‘REQUEST_METHOD‘] #Request for 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.

　In PHP $_SERVER$_SERVER[‘HTTP_ACCEPT_CHARSET‘] #The content 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".

　In PHP $_SERVER$_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‘] #The content of the User_Agent: header of the current request.

In PHP, $_SERVER$_SERVER[‘HTTPS‘] — if it passes https, it is set to a non-empty value, otherwise it returns off

　$_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[‘SERVER_ADMIN‘] #Administrator information in PHP

　$_SERVER[‘SERVER_PORT‘] #The port used by the server

　$_SERVER[‘SERVER_SIGNATURE‘] #A string containing the server version and virtual host name.

　In PHP $_SERVER$_SERVER[‘PATH_TRANSLATED‘] #The basic 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 for this page. For example, "/index.html".

　$_SERVER[‘PHP_AUTH_USER‘] #When PHP is running in module mode and using the HTTP 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 function, this variable is the password entered by the user.

　$_SERVER$_SERVER[‘AUTH_TYPE‘] in PHP #When PHP is running in Apache module mode and is using the HTTP authentication function, this variable is the authentication type

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