1--TEST-- 2Bug #79784: Use after free if changing array during undef var during array write fetch 3--FILE-- 4<?php 5set_error_handler(function () { 6 $GLOBALS['a'] = null; 7}); 8 9$a[$c] = 'x' ; 10var_dump($a); 11$a[$c] .= 'x' ; 12var_dump($a); 13$a[$c][$c] = 'x' ; 14var_dump($a); 15 16?> 17--EXPECT-- 18NULL 19NULL 20NULL 21
