1--TEST-- 2Bug #68128 - RecursiveRegexIterator raises "Array to string conversion" notice 3--FILE-- 4<?php 5 6$arrayIterator = new ArrayIterator(array('key 1' => 'value 1', 'key 2' => ['value 2'])); 7$regexIterator = new RegexIterator($arrayIterator, '/^key/', RegexIterator::MATCH, RegexIterator::USE_KEY); 8 9foreach ($regexIterator as $key => $value) { 10 var_dump($key, $value); 11} 12 13?> 14--EXPECT-- 15string(5) "key 1" 16string(7) "value 1" 17string(5) "key 2" 18array(1) { 19 [0]=> 20 string(7) "value 2" 21} 22