1--TEST-- 2Bug #77569 (Write Access Violation in DomImplementation) 3--EXTENSIONS-- 4dom 5--FILE-- 6<?php 7$imp = new DOMImplementation; 8$dom = $imp->createDocument("", ""); 9try { 10 $dom->encoding = null; 11} catch (\ValueError $e) { 12 echo $e->getMessage() . \PHP_EOL; 13} 14?> 15--EXPECT-- 16Invalid document encoding 17