/**
* Join a user to a group.
*
- * @param int $group_guid The group.
- * @param int $user_guid The user.
+ * @param int $group_guid The group GUID.
+ * @param int $user_guid The user GUID.
*
* @return bool
*/
function join_group($group_guid, $user_guid) {
$result = add_entity_relationship($user_guid, 'member', $group_guid);
- $param = array('group' => get_entity($group_guid), 'user' => get_entity($user_guid));
+ $params = array('group' => get_entity($group_guid), 'user' => get_entity($user_guid));
elgg_trigger_event('join', 'group', $params);
return $result;