elgg_echo(string $message_key, array $args=[], string $language= '')
Elgg language module Functions to manage language and translations.
elgg_trigger_event_results(string $event, string $type, array $params=[], $returnvalue=null)
Triggers an event where it is expected that the mixed return value could be manipulated by event call...
elgg_download_response(string $content, string $filename= '', bool $inline=false, array $headers=[])
Prepare a download response.