ENV inspect the value of an environment variable Returns the current value of the environment variable in the CGI (Common Gateway Interface) environment. This is ...

HTTP get HTTP headers * Called with the name of an HTTP request header field, returns its value. Capitalization and the use of hyphens versus underscores are n...

HTTP_HOST environment variable Examples * %HTTP_HOST% expands to == Related ENV, REMOTE_ADDR, REMOTE_PORT, REMOTE_USER

HTTPS get HTTPS headers The same as %HTTP% but operates on the HTTPS environment variables present when the SSL protocol is in effect. Can be used to determine wh...

REMOTE_ADDR environment variable Examples * %REMOTE_ADDR% expands to == Related ENV, HTTP_HOST, REMOTE_PORT, REMOTE_USER

REMOTE_USER environment variable Examples * %REMOTE_USER% expands to Displays the user identity established by the Web Server. Not available when using ...