1--TEST-- 2Bug #75698: Using @ crashes php7.2-fpm 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.optimization_level=-1 7--EXTENSIONS-- 8opcache 9--FILE-- 10<?php 11 12function test() { 13 $a = array("a","b","c","b"); 14 $b = array(); 15 foreach ($a as $c) 16 @$b[$c]++; // the @ is required to crash PHP 7.2.0 17 var_dump($b); 18} 19 20test(); 21 22?> 23--EXPECT-- 24array(3) { 25 ["a"]=> 26 int(1) 27 ["b"]=> 28 int(2) 29 ["c"]=> 30 int(1) 31} 32