1--TEST-- 2Bug #81684: ??= on $GLOBALS produces an invalid opcode 3--FILE-- 4<?php 5$GLOBALS['x'] ??= 'x'; // Fatal error: Invalid opcode 23/1/0 6var_dump($GLOBALS['x']); 7echo "Done.\n"; 8?> 9--EXPECT-- 10string(1) "x" 11Done. 12