$guid
Removes an admin notice.
elgg forward
Meant to mimic the php forward() function by simply redirecting the user to another page...
elgg_instanceof($entity, $type=null, $subtype=null, $class=null)
Checks if $entity is an and optionally for type and subtype.
elgg_echo($message_key, $args=array(), $language="")
Given a message key, returns an appropriately translated full-text string.
elgg register_error
Wrapper function for system_messages.
get_entity($guid)
Loads and returns an entity object from a guid.