PHP $_SERVER Arguments
Argument Result
PHP_SELF Returns the path and filename of the current script
SERVER_PROTOCOL Returns the name and revision of the page-requested protocol
REQUEST_METHOD Returns the request method used to access the page
REQUEST_TIME Returns the timestamp from the beginning of the request
DOCUMENT_ROOT Returns the root directory of the current script
HTTP_REFERER Returns the page address that referred to the current page
HTTP_USER_AGENT Returns the user agent of the header from the current request
REMOTE_ADDR Returns the IP address of the current user
REMOTE_PORT Returns the port of the user's machine that is accessing the page
SCRIPT_FILENAME Returns the absolute filename from the current script
SCRIPT_NAME Returns the path of the current script