PHP $_SERVER  is a PHP super global variable which holds information about headers, paths, and script locations.
$_SERVER['PHP_SELF'] /test/diverse/PHP_SERVER.php Returns the filename of the currently executing script
$_SERVER['GATEWAY_INTERFACE'] CGI/1.1 Returns the version of the Common Gateway Interface (CGI) the server is using
$_SERVER['SERVER_ADDR'] 10.27.49.13 Returns the IP address of the host server
$_SERVER['SERVER_NAME'] olelyng.dk Returns the name of the host server (such as www.w3schools.com)
$_SERVER['SERVER_SOFTWARE'] Apache Returns the server identification string (such as Apache/2.2.24)
$_SERVER['SERVER_PROTOCOL'] HTTP/1.1 Returns the name and revision of the information protocol (such as HTTP/1.1)
$_SERVER['REQUEST_METHOD'] GET Returns the request method used to access the page (such as POST)
$_SERVER['REQUEST_TIME'] 1714634174
02-05-2024 09:16:14
Returns the timestamp of the start of the request (such as 1377687496)
$_SERVER['QUERY_STRING'] Returns the query string if the page is accessed via a query string
$_SERVER['HTTP_ACCEPT'] */* Returns the Accept header from the current request
$_SERVER['HTTP_HOST'] olelyng.dk Returns the Host header from the current request
$_SERVER['HTTP_REFERER'] Warning: Undefined array key "HTTP_REFERER" in /customers/f/5/2/olelyng.dk/httpd.www/test/diverse/PHP_SERVER.php on line 149 Returns the complete URL of the current page (not reliable because not all user-agents support it)
$_SERVER['HTTPS'] on Is the script queried through a secure HTTP protocol
$_SERVER['REMOTE_ADDR'] 18.116.8.110 Returns the IP address from where the user is viewing the current page
$_SERVER['REMOTE_HOST'] Warning: Undefined array key "REMOTE_HOST" in /customers/f/5/2/olelyng.dk/httpd.www/test/diverse/PHP_SERVER.php on line 176 Returns the Host name from where the user is viewing the current page
$_SERVER['REMOTE_PORT'] 33260 Returns the port being used on the user's machine to communicate with the web server
$_SERVER['SCRIPT_FILENAME'] /customers/f/5/2/olelyng.dk/httpd.www/test/diverse/PHP_SERVER.php Returns the absolute pathname of the currently executing script
$_SERVER['SERVER_ADMIN'] support@one.com Returns the value given to the SERVER_ADMIN directive in the web server configuration file (if your script runs on a virtual host, it will be the value defined for that virtual host) (such as someone@w3schools.com)
$_SERVER['SERVER_PORT'] 80 Returns the port on the server machine being used by the web server for communication (such as 80)
$_SERVER['SERVER_SIGNATURE'] Returns the server version and virtual host name which are added to server-generated pages
$_SERVER['PATH_TRANSLATED'] Warning: Undefined array key "PATH_TRANSLATED" in /customers/f/5/2/olelyng.dk/httpd.www/test/diverse/PHP_SERVER.php on line 230 Returns the file system based path to the current script
$_SERVER['SCRIPT_NAME'] /test/diverse/PHP_SERVER.php Returns the path of the current script
$_SERVER['SCRIPT_URI'] Warning: Undefined array key "SCRIPT_URI" in /customers/f/5/2/olelyng.dk/httpd.www/test/diverse/PHP_SERVER.php on line 248 Returns the URI of the current page