elgg_echo($message_key, $args=array(), $language="")
Given a message key, returns an appropriately translated full-text string.
elgg_save_config($name, $value, $site_guid=0)
Save a configuration setting.
elgg forward
Meant to mimic the php forward() function by simply redirecting the user to another page...
elgg system_message
Wrapper function for system_messages.