1--TEST-- 2Bug #72543.3 (different references behavior comparing to PHP 5) 3--FILE-- 4<?php 5$x = new stdClass; 6$x->a = 1; 7$ref =& $x->a; 8unset($ref); 9var_dump($x->a + ($x->a = 2)); 10?> 11--EXPECT-- 12int(3) 13