Name
load_env — get the request's environment variables.
Synopsis
::rivet::load_env  ?array_name?
Description
		    Load the array of environment variables into the specified
		    array name.  Uses array ::request::env by
		    default.
		
		    As Rivet pages are run in the ::request
		    namespace, it isn't necessary to qualify the array name
		    for most uses - it's ok to access it as
		    env.