1--TEST-- 2TokenList: foreach by ref 3--EXTENSIONS-- 4dom 5--FILE-- 6<?php 7 8$dom = DOM\XMLDocument::createFromString('<root class="A B C"/>'); 9 10try { 11 foreach ($dom->documentElement->classList as &$class) { 12 } 13} catch (Error $e) { 14 echo $e->getMessage(), "\n"; 15} 16 17?> 18--EXPECT-- 19An iterator cannot be used with foreach by reference 20