env

Format: env( name )

Arguments: (text) name Name of the desired request header field

Returns: (text) Value of the request header field named name if the field exists or null if it does not

Description: Gets HTML request header data from the Web server. Use "*" for name to request the entire header. Here are some other common values for name.

  Accept
Accept-Encoding
Accept-Language
Connection
Content-Length
Content-Type
Cookie
Host
IP Address
Query String
Referer
User-Agent

Examples: env("IP Address") = returns the user's IP address

See Also: readcookie