1--TEST-- 2Bug #72911 (Memleak in zend_binary_assign_op_obj_helper) 3--FILE-- 4<?php 5 6$a = 0; 7 8$b = $a->b->i -= 0; 9 10var_dump($b); 11 12?> 13--EXPECTF-- 14Warning: Attempt to modify property of non-object in %sbug72911.php on line %d 15 16Warning: Attempt to assign property of non-object in %sbug72911.php on line %d 17NULL 18