elgg_get_site_entity($site_guid=0)
Get an entity (default is current site)
elgg forward
Meant to mimic the php forward() function by simply redirecting the user to another page...
elgg_echo($message_key, $args=array(), $language="")
Given a message key, returns an appropriately translated full-text string.
elgg system_message
Wrapper function for system_messages.
elgg register_error
Wrapper function for system_messages.
set_config($name, $value, $site_guid=0)
Add or update a config setting.