public scan ( array &$elements, string | null $module = null, string | null $function = null, array $args = [] ) : integer | ||
$elements | array | returned |
$module | string | null | the name of the UDF module containing the optional filter function |
$function | string | null | name of the UDF filter function to apply |
$args | array | optional arguments for the filter function, passed as a map to the filter function |
return | integer | status code of the operation |