1--TEST-- 2Bug #66176 (Invalid constant substitution) 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.optimization_level=-1 7opcache.file_update_protection=0 8--EXTENSIONS-- 9opcache 10--FILE-- 11<?php 12function foo($v) { 13 global $a; 14 return $a[$v]; 15} 16$a = array(PHP_VERSION => 1); 17var_dump(foo(PHP_VERSION)); 18?> 19--EXPECT-- 20int(1) 21