Apache Variables
After installing Apache and PHP server, you can check the Apache variables by using a php page to echo them on the browser. If you need to modify the Apache config to adapt your server environment and to meet your needs, you can always change the .conf file and restart your Apache server.
Use the Apache variables below to check your server:
| DOCUMENT_ROOT | Document root |
| HTTP_ACCEPT | Accept header of an HTTP request |
| HTTP_ACCEPT_ENCODING | Accepted encoding (deflate or gzip) |
| HTTP_ACCEPT_LANGUAGE | Accept-Language from HTTP header |
| HTTP_CONNECTION | Connection header of the HTTP request |
| HTTP_HOST | Internet host |
| HTTP_USER_AGENT | Client initiating web request |
| PATH | Directories the server looks |
| REMOTE_ADDR | Address of the client |
| REMOTE_PORT | Port of client |
| SCRIPT_FILENAME | Absolute path of script |
| SERVER_ADDR | Server’s address |
| SERVER_ADMIN | Admin of server |
| SERVER_NAME | Server name set |
| SERVER_PORT | Port the web server is running on |
| SERVER_SIGNATURE | Version of the server software |
| SERVER_SOFTWARE | Server’s identification string, found in HTTP header |
| GATEWAY_INTERFACE | Version of the CGI spec used |
| SERVER_PROTOCOL | Protocol server is currently using |
| REQUEST_METHOD | Request method, such as GET, PUT, POST, etc. |
| QUERY_STRING | Query string if one exists |
| REQUEST_URI | Uniform Resource Identifier |
| SCRIPT_NAME | Path and name for the current script |
| PATH_TRANSLATED | Absolute path on the web server’s file system |
| PHP_SELF | Location of PHP script relative to document root |