elgg_echo($message_key, array $args=[], $language="")
Given a message key, returns an appropriately translated full-text string.
elgg echo
Translates a string.
elgg_extract($key, $array, $default=null, $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
elgg_view($view, $vars=[], $viewtype= '')
Return a parsed view.
elgg_get_config($name, $default=null)
Get an Elgg configuration value.