Online PHP editor | refs for 7iLBF

<?php $params = [1,2,3]; function transform(array $params) { $references = []; foreach ($params as $key => $value) { $references[$key] = &$params[$key]; } unset($value); $value = "foo"; return $references; return $references; } var_dump($params); $params = transform($params); var_dump($params);