$values * @param callable(iterable): T $next * @return T */ public function __invoke(iterable $values, callable $next): object { if ($values instanceof Traversable) { $values = iterator_to_array($values); } $camelCaseConverted = array_combine( array_map( fn(int|string $key): string => lcfirst(str_replace('_', '', ucwords((string) $key, '_'))), array_keys($values), ), $values, ); return $next($camelCaseConverted); } }