1--TEST-- 2oss-fuzz #58181: Fix unexpected reference returned from CallbackFilterIterator::accept() 3--FILE-- 4<?php 5function test(array $data) { 6 $iterator = new ArrayIterator($data); 7 $iterator = new \CallbackFilterIterator($iterator, fn&() => true); 8 $iterator->rewind(); 9} 10 11test(['a', 'b']); 12?> 13--EXPECTF-- 14Notice: Only variable references should be returned by reference in %s on line %d 15