getenv
getenv
=====
getenv
- It gets the value of an environment variable
Returns the value of the environment variable varname, or FALSE on an error.
Some of the Environment Variables are
REMOTE_ADDR,SCRIPT_NAME,REQUEST_URI,SERVER_PROTOCOL ,
REDIRECT_STATUS ,HTTP_ACCEPT
HTTP_ACCEPT_LANGUAGE,HTTP_ACCEPT_ENCODING ,
HTTP_USER_AGENT ,HTTP_HOST ,HTTP_CONNECTION
HTTP_COOKIE ,PATH ,COMSPEC ,PATHEXT ,WINDIR ,
SERVER_SIGNATURE ,SERVER_SOFTWARE ,SERVER_NAME
SERVER_ADDR ,SERVER_PORT ,REMOTE_ADDR ,
DOCUMENT_ROOT ,SERVER_ADMIN .
Syntax:
=====
string getenv ( string varname)
Example:
======
It Displays the IP Address of the User
.
