1--TEST-- 2Bug #80915: Taking a reference to $_SERVER hides its values from phpinfo() 3--FILE-- 4<?php 5 6$_ENV = []; 7$_SERVER = [ 'test' => 'test' ]; 8 9$reference =& $_SERVER; 10 11phpinfo(INFO_VARIABLES); 12 13?> 14--EXPECT-- 15phpinfo() 16 17PHP Variables 18 19Variable => Value 20$_SERVER['test'] => test 21