&get_data (\$current_date, \$remote_host, \$remote_addr, \$server_name); #... sub get_data { my ($current_date, $remote_host, $remote_addr, $server_name) = @_; #.... # get the information about who submitted the form $$remote_host = $ENV{'REMOTE_HOST'}; $$remote_addr = $ENV{'REMOTE_ADDR'}; $$server_name = $ENV{'SERVER_NAME'}; }